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[PATCH 0/59] Cleanup sysctl [message #17149] Tue, 16 January 2007 16:33 Go to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
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There has not been much maintenance on sysctl in years, and as a result is
there is a lot to do to allow future interesting work to happen, and being
ambitious I'm trying to do it all at once :)

The patches in this series fall into several general categories.

- Removal of useless attempts to override the standard sysctls

- Registers of sysctl numbers in sysctl.h so someone else does not use
  the magic number and conflict.

- C99 conversions so it becomes possible to change the layout of 
  struct ctl_table without breaking everything.

- Removal of useless claims of module ownership, in the proc dir entries

- Removal of sys_sysctl support where people had used conflicting sysctl
  numbers. Trying to break glibc or other applications by changing the
  ABI is not cool.  9 instances of this in the kernel seems a little
  extreme.

- General enhancements when I got the junk I could see out.

Odds are I missed something, most of the cleanups are simply a result of
me working on the sysctl core and glancing at the users and going: What?

Eric
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[PATCH 1/59] sysctl x25: Remove unnecessary insert_at_head from register_sysctl_table. [message #17150 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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Since x25 uses unique binary numbers inserting yourself at the
head of the search list for sysctls so you can override already
registered sysctls is pointless.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/x25/sysctl_net_x25.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/x25/sysctl_net_x25.c b/net/x25/sysctl_net_x25.c
index aabda59..94aff67 100644
--- a/net/x25/sysctl_net_x25.c
+++ b/net/x25/sysctl_net_x25.c
@@ -98,7 +98,7 @@ static struct ctl_table x25_root_table[] = {
 
 void __init x25_register_sysctl(void)
 {
-	x25_table_header = register_sysctl_table(x25_root_table, 1);
+	x25_table_header = register_sysctl_table(x25_root_table, 0);
 }
 
 void x25_unregister_sysctl(void)
-- 
1.4.4.1.g278f

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[PATCH 2/59] sysctl: Move CTL_SUNRPC to sysctl.h where it belongs [message #17151 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 include/linux/sunrpc/debug.h |    1 -
 include/linux/sysctl.h       |    3 ++-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h
index 60fce3c..b7c7307 100644
--- a/include/linux/sunrpc/debug.h
+++ b/include/linux/sunrpc/debug.h
@@ -78,7 +78,6 @@ void		rpc_unregister_sysctl(void);
  * module currently registers its sysctl table dynamically, the sysctl path
  * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
  */
-#define CTL_SUNRPC	7249	/* arbitrary and hopefully unused */
 
 enum {
 	CTL_RPCDEBUG = 1,
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 81480e6..54a9cf5 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -69,7 +69,8 @@ enum
 	CTL_DEV=7,		/* Devices */
 	CTL_BUS=8,		/* Busses */
 	CTL_ABI=9,		/* Binary emulation */
-	CTL_CPU=10		/* CPU stuff (speed scaling, etc) */
+	CTL_CPU=10,		/* CPU stuff (speed scaling, etc) */
+	CTL_SUNRPC=7249,	/* sunrpc debug */
 };
 
 /* CTL_BUS names: */
-- 
1.4.4.1.g278f

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[PATCH 3/59] sysctl: sunrpc Remove unnecessary insert_at_head flag [message #17152 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Because the sunrpc sysctls don't conflict with any other
sysctls the setting the insert at head flag to register_sysctl
has no semantic meaning.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/sunrpc/sysctl.c   |    2 +-
 net/sunrpc/xprtsock.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c
index 82b2752..3852689 100644
--- a/net/sunrpc/sysctl.c
+++ b/net/sunrpc/sysctl.c
@@ -36,7 +36,7 @@ void
 rpc_register_sysctl(void)
 {
 	if (!sunrpc_table_header) {
-		sunrpc_table_header = register_sysctl_table(sunrpc_table, 1);
+		sunrpc_table_header = register_sysctl_table(sunrpc_table, 0);
 #ifdef CONFIG_PROC_FS
 		if (sunrpc_table[0].de)
 			sunrpc_table[0].de->owner = THIS_MODULE;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 49cabff..98d1af9 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1630,7 +1630,7 @@ int init_socket_xprt(void)
 {
 #ifdef RPC_DEBUG
 	if (!sunrpc_table_header) {
-		sunrpc_table_header = register_sysctl_table(sunrpc_table, 1);
+		sunrpc_table_header = register_sysctl_table(sunrpc_table, 0);
 #ifdef CONFIG_PROC_FS
 		if (sunrpc_table[0].de)
 			sunrpc_table[0].de->owner = THIS_MODULE;
-- 
1.4.4.1.g278f

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[PATCH 4/59] sysctl: sunrpc Don't unnecessarily set ctl_table->de [message #17153 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

We don't need this to prevent module unload races so remove
the unnecessary code.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/sunrpc/sysctl.c   |    8 +-------
 net/sunrpc/xprtsock.c |    7 +------
 2 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c
index 3852689..6a82ed2 100644
--- a/net/sunrpc/sysctl.c
+++ b/net/sunrpc/sysctl.c
@@ -35,14 +35,8 @@ static ctl_table		sunrpc_table[];
 void
 rpc_register_sysctl(void)
 {
-	if (!sunrpc_table_header) {
+	if (!sunrpc_table_header)
 		sunrpc_table_header = register_sysctl_table(sunrpc_table, 0);
-#ifdef CONFIG_PROC_FS
-		if (sunrpc_table[0].de)
-			sunrpc_table[0].de->owner = THIS_MODULE;
-#endif
-	}
-			
 }
 
 void
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 98d1af9..51964cf 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1629,13 +1629,8 @@ struct rpc_xprt *xs_setup_tcp(struct sockaddr *addr, size_t addrlen, struct rpc_
 int init_socket_xprt(void)
 {
 #ifdef RPC_DEBUG
-	if (!sunrpc_table_header) {
+	if (!sunrpc_table_header)
 		sunrpc_table_header = register_sysctl_table(sunrpc_table, 0);
-#ifdef CONFIG_PROC_FS
-		if (sunrpc_table[0].de)
-			sunrpc_table[0].de->owner = THIS_MODULE;
-#endif
-	}
 #endif
 
 	return 0;
-- 
1.4.4.1.g278f

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[PATCH 5/59] sysctl: rose remove unnecessary insert_at_head flag [message #17154 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

The sysctl numbers used are unique so setting the insert_at_head
flag serves no semantic purpose.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/rose/sysctl_net_rose.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/rose/sysctl_net_rose.c b/net/rose/sysctl_net_rose.c
index 8548c7c..0190a07 100644
--- a/net/rose/sysctl_net_rose.c
+++ b/net/rose/sysctl_net_rose.c
@@ -160,7 +160,7 @@ static ctl_table rose_root_table[] = {
 
 void __init rose_register_sysctl(void)
 {
-	rose_table_header = register_sysctl_table(rose_root_table, 1);
+	rose_table_header = register_sysctl_table(rose_root_table, 0);
 }
 
 void rose_unregister_sysctl(void)
-- 
1.4.4.1.g278f

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[PATCH 6/59] sysctl: netrom remove unnecessary insert_at_head flag [message #17155 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

The sysctl numbers used are unique so setting the insert_at_head
flag serves no semantic purpose, so it is just confusing.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/netrom/sysctl_net_netrom.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/netrom/sysctl_net_netrom.c b/net/netrom/sysctl_net_netrom.c
index 6bb8dda..09f4246 100644
--- a/net/netrom/sysctl_net_netrom.c
+++ b/net/netrom/sysctl_net_netrom.c
@@ -192,7 +192,7 @@ static ctl_table nr_root_table[] = {
 
 void __init nr_register_sysctl(void)
 {
-	nr_table_header = register_sysctl_table(nr_root_table, 1);
+	nr_table_header = register_sysctl_table(nr_root_table, 0);
 }
 
 void nr_unregister_sysctl(void)
-- 
1.4.4.1.g278f

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[PATCH 7/59] sysctl: llc remove unnecessary insert_at_head flag [message #17156 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

The sysctl numbers used are unique so setting the insert_at_head
flag serves no semantis purpose, and is just confusing.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/llc/sysctl_net_llc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/llc/sysctl_net_llc.c b/net/llc/sysctl_net_llc.c
index 45d7dd9..4aab676 100644
--- a/net/llc/sysctl_net_llc.c
+++ b/net/llc/sysctl_net_llc.c
@@ -116,7 +116,7 @@ static struct ctl_table_header *llc_table_header;
 
 int __init llc_sysctl_init(void)
 {
-	llc_table_header = register_sysctl_table(llc_root_table, 1);
+	llc_table_header = register_sysctl_table(llc_root_table, 0);
 
 	return llc_table_header ? 0 : -ENOMEM;
 }
-- 
1.4.4.1.g278f

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[PATCH 8/59] sysctl: ipx remove unnecessary insert_at_head flag [message #17157 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

The sysctl numbers used are unique so setting the insert_at_head
flag servers no semantic purpose and is just confusing.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/ipx/sysctl_net_ipx.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/ipx/sysctl_net_ipx.c b/net/ipx/sysctl_net_ipx.c
index fa57473..0442f44 100644
--- a/net/ipx/sysctl_net_ipx.c
+++ b/net/ipx/sysctl_net_ipx.c
@@ -52,7 +52,7 @@ static struct ctl_table_header *ipx_table_header;
 
 void ipx_register_sysctl(void)
 {
-	ipx_table_header = register_sysctl_table(ipx_root_table, 1);
+	ipx_table_header = register_sysctl_table(ipx_root_table, 0);
 }
 
 void ipx_unregister_sysctl(void)
-- 
1.4.4.1.g278f

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[PATCH 9/59] sysctl: decnet remove unnecessary insert_at_head flag [message #17158 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

The sysctl numbers used are unique so setting the insert_at_head
flag does not succeed in overriding any sysctls, and is just
confusing because it doesn't.  Clear the flag.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/decnet/sysctl_net_decnet.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index a4065eb..81469fd 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -491,7 +491,7 @@ static ctl_table dn_root_table[] = {
 
 void dn_register_sysctl(void)
 {
-	dn_table_header = register_sysctl_table(dn_root_table, 1);
+	dn_table_header = register_sysctl_table(dn_root_table, 0);
 }
 
 void dn_unregister_sysctl(void)
-- 
1.4.4.1.g278f

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[PATCH 10/59] sysctl: dccp remove unnecessary insert_at_head flag [message #17159 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/dccp/sysctl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/dccp/sysctl.c b/net/dccp/sysctl.c
index fdcfca3..3391631 100644
--- a/net/dccp/sysctl.c
+++ b/net/dccp/sysctl.c
@@ -127,7 +127,7 @@ static struct ctl_table_header *dccp_table_header;
 
 int __init dccp_sysctl_init(void)
 {
-	dccp_table_header = register_sysctl_table(dccp_root_table, 1);
+	dccp_table_header = register_sysctl_table(dccp_root_table, 0);
 
 	return dccp_table_header != NULL ? 0 : -ENOMEM;
 }
-- 
1.4.4.1.g278f

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[PATCH 11/59] sysctl: ax25 remove unnecessary insert_at_head flag [message #17160 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/ax25/sysctl_net_ax25.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c
index d23a27f..afdba04 100644
--- a/net/ax25/sysctl_net_ax25.c
+++ b/net/ax25/sysctl_net_ax25.c
@@ -245,7 +245,7 @@ void ax25_register_sysctl(void)
 
 	ax25_dir_table[0].child = ax25_table;
 
-	ax25_table_header = register_sysctl_table(ax25_root_table, 1);
+	ax25_table_header = register_sysctl_table(ax25_root_table, 0);
 }
 
 void ax25_unregister_sysctl(void)
-- 
1.4.4.1.g278f

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[PATCH 12/59] sysctl: atalk remove unnecessary insert_at_head flag [message #17161 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 net/appletalk/sysctl_net_atalk.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/appletalk/sysctl_net_atalk.c b/net/appletalk/sysctl_net_atalk.c
index 40b0af7..4f806b6 100644
--- a/net/appletalk/sysctl_net_atalk.c
+++ b/net/appletalk/sysctl_net_atalk.c
@@ -73,7 +73,7 @@ static struct ctl_table_header *atalk_table_header;
 
 void atalk_register_sysctl(void)
 {
-	atalk_table_header = register_sysctl_table(atalk_root_table, 1);
+	atalk_table_header = register_sysctl_table(atalk_root_table, 0);
 }
 
 void atalk_unregister_sysctl(void)
-- 
1.4.4.1.g278f

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[PATCH 13/59] sysctl: xfs remove unnecessary insert_at_head flag [message #17162 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 fs/xfs/linux-2.6/xfs_sysctl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c
index af24653..af777e9 100644
--- a/fs/xfs/linux-2.6/xfs_sysctl.c
+++ b/fs/xfs/linux-2.6/xfs_sysctl.c
@@ -149,7 +149,7 @@ STATIC ctl_table xfs_root_table[] = {
 void
 xfs_sysctl_register(void)
 {
-	xfs_table_header = register_sysctl_table(xfs_root_table, 1);
+	xfs_table_header = register_sysctl_table(xfs_root_table, 0);
 }
 
 void
-- 
1.4.4.1.g278f

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[PATCH 14/59] sysctl: C99 convert xfs ctl_tables [message #17163 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 fs/xfs/linux-2.6/xfs_sysctl.c |  258 ++++++++++++++++++++++++++++------------
 1 files changed, 180 insertions(+), 78 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c
index af777e9..5a0eefc 100644
--- a/fs/xfs/linux-2.6/xfs_sysctl.c
+++ b/fs/xfs/linux-2.6/xfs_sysctl.c
@@ -55,95 +55,197 @@ xfs_stats_clear_proc_handler(
 #endif /* CONFIG_PROC_FS */
 
 STATIC ctl_table xfs_table[] = {
-	{XFS_RESTRICT_CHOWN, "restrict_chown", &xfs_params.restrict_chown.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.restrict_chown.min, &xfs_params.restrict_chown.max},
-
-	{XFS_SGID_INHERIT, "irix_sgid_inherit", &xfs_params.sgid_inherit.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.sgid_inherit.min, &xfs_params.sgid_inherit.max},
-
-	{XFS_SYMLINK_MODE, "irix_symlink_mode", &xfs_params.symlink_mode.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.symlink_mode.min, &xfs_params.symlink_mode.max},
-
-	{XFS_PANIC_MASK, "panic_mask", &xfs_params.panic_mask.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.panic_mask.min, &xfs_params.panic_mask.max},
-
-	{XFS_ERRLEVEL, "error_level", &xfs_params.error_level.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.error_level.min, &xfs_params.error_level.max},
-
-	{XFS_SYNCD_TIMER, "xfssyncd_centisecs", &xfs_params.syncd_timer.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.syncd_timer.min, &xfs_params.syncd_timer.max},
-
-	{XFS_INHERIT_SYNC, "inherit_sync", &xfs_params.inherit_sync.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.inherit_sync.min, &xfs_params.inherit_sync.max},
-
-	{XFS_INHERIT_NODUMP, "inherit_nodump", &xfs_params.inherit_nodump.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.inherit_nodump.min, &xfs_params.inherit_nodump.max},
-
-	{XFS_INHERIT_NOATIME, "inherit_noatime", &xfs_params.inherit_noatim.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.inherit_noatim.min, &xfs_params.inherit_noatim.max},
-
-	{XFS_BUF_TIMER, "xfsbufd_centisecs", &xfs_params.xfs_buf_timer.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.xfs_buf_timer.min, &xfs_params.xfs_buf_timer.max},
-
-	{XFS_BUF_AGE, "age_buffer_centisecs", &xfs_params.xfs_buf_age.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.xfs_buf_age.min, &xfs_params.xfs_buf_age.max},
-
-	{XFS_INHERIT_NOSYM, "inherit_nosymlinks", &xfs_params.inherit_nosym.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.inherit_nosym.min, &xfs_params.inherit_nosym.max},
-
-	{XFS_ROTORSTEP, "rotorstep", &xfs_params.rotorstep.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.rotorstep.min, &xfs_params.rotorstep.max},
-
-	{XFS_INHERIT_NODFRG, "inherit_nodefrag", &xfs_params.inherit_nodfrg.val,
-	sizeof(int), 0644, NULL, &proc_dointvec_minmax,
-	&sysctl_intvec, NULL,
-	&xfs_params.inherit_nodfrg.min, &xfs_params.inherit_nodfrg.max},
+	{
+		.ctl_name	= XFS_RESTRICT_CHOWN,
+		.procname	= "restrict_chown",
+		.data		= &xfs_params.restrict_chown.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.restrict_chown.min,
+		.extra2		= &xfs_params.restrict_chown.max
+	},
+	{
+		.ctl_name	= XFS_SGID_INHERIT,
+		.procname	= "irix_sgid_inherit",
+		.data		= &xfs_params.sgid_inherit.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.sgid_inherit.min,
+		.extra2		= &xfs_params.sgid_inherit.max
+	},
+	{
+		.ctl_name	= XFS_SYMLINK_MODE,
+		.procname	= "irix_symlink_mode",
+		.data		= &xfs_params.symlink_mode.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.symlink_mode.min,
+		.extra2		= &xfs_params.symlink_mode.max
+	},
+	{
+		.ctl_name	= XFS_PANIC_MASK,
+		.procname	= "panic_mask",
+		.data		= &xfs_params.panic_mask.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	=  &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.panic_mask.min,
+		.extra2		= &xfs_params.panic_mask.max
+	},
 
+	{
+		.ctl_name	= XFS_ERRLEVEL,
+		.procname	= "error_level",
+		.data		= &xfs_params.error_level.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.error_level.min,
+		.extra2		= &xfs_params.error_level.max
+	},
+	{
+		.ctl_name	= XFS_SYNCD_TIMER,
+		.procname	= "xfssyncd_centisecs",
+		.data		= &xfs_params.syncd_timer.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.syncd_timer.min,
+		.extra2		= &xfs_params.syncd_timer.max
+	},
+	{
+		.ctl_name	= XFS_INHERIT_SYNC,
+		.procname	= "inherit_sync",
+		.data		= &xfs_params.inherit_sync.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.inherit_sync.min,
+		.extra2		= &xfs_params.inherit_sync.max
+	},
+	{
+		.ctl_name	= XFS_INHERIT_NODUMP,
+		.procname	= "inherit_nodump",
+		.data		= &xfs_params.inherit_nodump.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec, NULL,
+		.extra1		= &xfs_params.inherit_nodump.min,
+		.extra2		= &xfs_params.inherit_nodump.max
+	},
+	{
+		.ctl_name	= XFS_INHERIT_NOATIME,
+		.procname	= "inherit_noatime",
+		.data		= &xfs_params.inherit_noatim.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec, NULL,
+		.extra1		= &xfs_params.inherit_noatim.min,
+		.extra2		= &xfs_params.inherit_noatim.max
+	},
+	{
+		.ctl_name	= XFS_BUF_TIMER,
+		.procname	= "xfsbufd_centisecs",
+		.data		= &xfs_params.xfs_buf_timer.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.xfs_buf_timer.min,
+		.extra2		= &xfs_params.xfs_buf_timer.max
+	},
+	{
+		.ctl_name	= XFS_BUF_AGE,
+		.procname	= "age_buffer_centisecs",
+		.data		= &xfs_params.xfs_buf_age.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec, NULL,
+		.extra1		= &xfs_params.xfs_buf_age.min,
+		.extra2		= &xfs_params.xfs_buf_age.max
+	},
+	{
+		.ctl_name	= XFS_INHERIT_NOSYM,
+		.procname	= "inherit_nosymlinks",
+		.data		= &xfs_params.inherit_nosym.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.inherit_nosym.min,
+		.extra2		= &xfs_params.inherit_nosym.max
+	},
+	{
+		.ctl_name	= XFS_ROTORSTEP,
+		.procname	= "rotorstep",
+		.data		= &xfs_params.rotorstep.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.rotorstep.min,
+		.extra2		= &xfs_params.rotorstep.max
+	},
+	{
+		.ctl_name	= XFS_INHERIT_NODFRG,
+		.procname	= "inherit_nodefrag",
+		.data		= &xfs_params.inherit_nodfrg.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.inherit_nodfrg.min,
+		.extra2		= &xfs_params.inherit_nodfrg.max
+	},
 	/* please keep this the last entry */
 #ifdef CONFIG_PROC_FS
-	{XFS_STATS_CLEAR, "stats_clear", &xfs_params.stats_clear.val,
-	sizeof(int), 0644, NULL, &xfs_stats_clear_proc_handler,
-	&sysctl_intvec, NULL,
-	&xfs_params.stats_clear.min, &xfs_params.stats_clear.max},
+	{
+		.ctl_name	= XFS_STATS_CLEAR,
+		.procname	= "stats_clear",
+		.data		= &xfs_params.stats_clear.val,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	=  &xfs_stats_clear_proc_handler,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xfs_params.stats_clear.min,
+		.extra2		= &xfs_params.stats_clear.max
+	},
 #endif /* CONFIG_PROC_FS */
 
-	{0}
+	{}
 };
 
 STATIC ctl_table xfs_dir_table[] = {
-	{FS_XFS, "xfs", NULL, 0, 0555, xfs_table},
-	{0}
+	{
+		.ctl_name	= FS_XFS,
+		.procname	= "xfs",
+		.mode		= 0555,
+		.child		= xfs_table
+	},
+	{}
 };
 
 STATIC ctl_table xfs_root_table[] = {
-	{CTL_FS, "fs",  NULL, 0, 0555, xfs_dir_table},
-	{0}
+	{
+		.ctl_name	= CTL_FS,
+		.procname	= "fs",
+		.mode		= 0555,
+		.child		= xfs_dir_table
+	},
+	{}
 };
 
 v
...

[PATCH 15/59] sysctl: scsi remove unnecessary insert_at_head flag [message #17164 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
Senior Member
From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 drivers/scsi/scsi_sysctl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/scsi_sysctl.c b/drivers/scsi/scsi_sysctl.c
index 04d06c2..b16b775 100644
--- a/drivers/scsi/scsi_sysctl.c
+++ b/drivers/scsi/scsi_sysctl.c
@@ -41,7 +41,7 @@ static struct ctl_table_header *scsi_table_header;
 
 int __init scsi_init_sysctl(void)
 {
-	scsi_table_header = register_sysctl_table(scsi_root_table, 1);
+	scsi_table_header = register_sysctl_table(scsi_root_table, 0);
 	if (!scsi_table_header)
 		return -ENOMEM;
 	return 0;
-- 
1.4.4.1.g278f

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[PATCH 16/59] sysctl: md Remove unnecessary insert_at_head flag [message #17165 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
Senior Member
From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

The sysctls used by the md driver are have unique binary numbers
so remove the insert_at_head flag as it serves no useful purpose.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 drivers/md/md.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index d1cb45f..966e8be 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5551,7 +5551,7 @@ static int __init md_init(void)
 			    md_probe, NULL, NULL);
 
 	register_reboot_notifier(&md_notifier);
-	raid_table_header = register_sysctl_table(raid_root_table, 1);
+	raid_table_header = register_sysctl_table(raid_root_table, 0);
 
 	md_geninit();
 	return (0);
-- 
1.4.4.1.g278f

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[PATCH 17/59] sysctl: mac_hid remove unnecessary insert_at_head flag [message #17166 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

With unique sysctl binary numbers setting insert_at_head is pointless.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 drivers/macintosh/mac_hid.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c
index ee6b4ca..c676740 100644
--- a/drivers/macintosh/mac_hid.c
+++ b/drivers/macintosh/mac_hid.c
@@ -138,7 +138,7 @@ int __init mac_hid_init(void)
 		return err;
 
 #if defined(CONFIG_SYSCTL)
-	mac_hid_sysctl_header = register_sysctl_table(mac_hid_root_dir, 1);
+	mac_hid_sysctl_header = register_sysctl_table(mac_hid_root_dir, 0);
 #endif /* CONFIG_SYSCTL */
 
 	return 0;
-- 
1.4.4.1.g278f

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[PATCH 18/59] sysctl: ipmi remove unnecessary insert_at_head flag [message #17167 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

With unique sysctl binary numbers setting insert_at_head is pointless.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 drivers/char/ipmi/ipmi_poweroff.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c
index 9d23136..b3ae65e 100644
--- a/drivers/char/ipmi/ipmi_poweroff.c
+++ b/drivers/char/ipmi/ipmi_poweroff.c
@@ -686,7 +686,7 @@ static int ipmi_poweroff_init (void)
 		printk(KERN_INFO PFX "Power cycle is enabled.\n");
 
 #ifdef CONFIG_PROC_FS
-	ipmi_table_header = register_sysctl_table(ipmi_root_table, 1);
+	ipmi_table_header = register_sysctl_table(ipmi_root_table, 0);
 	if (!ipmi_table_header) {
 		printk(KERN_ERR PFX "Unable to register powercycle sysctl\n");
 		rv = -ENOMEM;
-- 
1.4.4.1.g278f

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[PATCH 19/59] sysctl: cdrom remove unnecessary insert_at_head flag [message #17168 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
Senior Member
From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

With unique binary sysctl numbers setting insert_at_head to
override other sysctl entries is pointless.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 drivers/cdrom/cdrom.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 3105ddd..f0a6801 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -3553,7 +3553,7 @@ static void cdrom_sysctl_register(void)
 	if (initialized == 1)
 		return;
 
-	cdrom_sysctl_header = register_sysctl_table(cdrom_root_table, 1);
+	cdrom_sysctl_header = register_sysctl_table(cdrom_root_table, 0);
 	if (cdrom_root_table->ctl_name && cdrom_root_table->child->de)
 		cdrom_root_table->child->de->owner = THIS_MODULE;
 
-- 
1.4.4.1.g278f

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[PATCH 20/59] sysctl: cdrom Don't set de->owner [message #17169 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
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Senior Member
From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

There is no need for open files in /proc/sys/XXX to hold
a reference count on the module that provides the file
to prevent module unload races.  While there is code active
in the module p->used in the sysctl_table_header is incremented,
preventing the sysctl from being unregisted.  Once the
sysctl is unregistered it cannot be found.  Open files
are also not a problem as they revalidate the sysctl information
and bump p->used before accessing module code.

So setting de->owner is unnecessary, makes for a bad example
and gets in my way of removing ctl_table->de.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 drivers/cdrom/cdrom.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index f0a6801..14f72c4 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -3554,8 +3554,6 @@ static void cdrom_sysctl_register(void)
 		return;
 
 	cdrom_sysctl_header = register_sysctl_table(cdrom_root_table, 0);
-	if (cdrom_root_table->ctl_name && cdrom_root_table->child->de)
-		cdrom_root_table->child->de->owner = THIS_MODULE;
 
 	/* set the defaults */
 	cdrom_sysctl_settings.autoclose = autoclose;
-- 
1.4.4.1.g278f

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[PATCH 21/59] sysctl: Move CTL_PM into sysctl.h where it belongs. [message #17170 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/frv/kernel/pm.c   |    1 -
 include/linux/sysctl.h |    1 +
 2 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/frv/kernel/pm.c b/arch/frv/kernel/pm.c
index ee677ce..6b76466 100644
--- a/arch/frv/kernel/pm.c
+++ b/arch/frv/kernel/pm.c
@@ -125,7 +125,6 @@ unsigned long sleep_phys_sp(void *sp)
  * Use a temporary sysctl number. Horrid, but will be cleaned up in 2.6
  * when all the PM interfaces exist nicely.
  */
-#define CTL_PM 9899
 #define CTL_PM_SUSPEND 1
 #define CTL_PM_CMODE 2
 #define CTL_PM_P0 4
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 54a9cf5..e7c40b6 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -71,6 +71,7 @@ enum
 	CTL_ABI=9,		/* Binary emulation */
 	CTL_CPU=10,		/* CPU stuff (speed scaling, etc) */
 	CTL_SUNRPC=7249,	/* sunrpc debug */
+	CTL_PM=9899,		/* frv power management */
 };
 
 /* CTL_BUS names: */
-- 
1.4.4.1.g278f

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[PATCH 22/59] sysctl: frv pm remove unnecessary insert_at_head flag [message #17171 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

With unique binary numbers setting insert_at_head to
insert yourself at the head of sysctl list and thus override
existing sysctl entries serves no point.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/frv/kernel/pm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/frv/kernel/pm.c b/arch/frv/kernel/pm.c
index 6b76466..c1840d6 100644
--- a/arch/frv/kernel/pm.c
+++ b/arch/frv/kernel/pm.c
@@ -419,7 +419,7 @@ static struct ctl_table pm_dir_table[] =
  */
 static int __init pm_init(void)
 {
-	register_sysctl_table(pm_dir_table, 1);
+	register_sysctl_table(pm_dir_table, 0);
 	return 0;
 }
 
-- 
1.4.4.1.g278f

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[PATCH 23/59] sysctl: Move CTL_FRV into sysctl.h where it belongs [message #17172 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
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Messages: 1354
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/frv/kernel/sysctl.c |    1 -
 include/linux/sysctl.h   |    1 +
 2 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/frv/kernel/sysctl.c b/arch/frv/kernel/sysctl.c
index ce67680..2f4da32 100644
--- a/arch/frv/kernel/sysctl.c
+++ b/arch/frv/kernel/sysctl.c
@@ -186,7 +186,6 @@ static struct ctl_table frv_table[] =
  * Use a temporary sysctl number. Horrid, but will be cleaned up in 2.6
  * when all the PM interfaces exist nicely.
  */
-#define CTL_FRV 9898
 static struct ctl_table frv_dir_table[] =
 {
 	{CTL_FRV, "frv", NULL, 0, 0555, frv_table},
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index e7c40b6..71c16b4 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -72,6 +72,7 @@ enum
 	CTL_CPU=10,		/* CPU stuff (speed scaling, etc) */
 	CTL_SUNRPC=7249,	/* sunrpc debug */
 	CTL_PM=9899,		/* frv power management */
+	CTL_FRV=9898,		/* frv specific sysctls */
 };
 
 /* CTL_BUS names: */
-- 
1.4.4.1.g278f

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[PATCH 24/59] sysctl: frv remove unnecessary insert_at_head flag [message #17173 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Since the binary sysctl numbers are unique putting the registered
sysctls at the head of the sysctl list where they can override
existing sysctls serves no useful purpose.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/frv/kernel/sysctl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/frv/kernel/sysctl.c b/arch/frv/kernel/sysctl.c
index 2f4da32..37528eb 100644
--- a/arch/frv/kernel/sysctl.c
+++ b/arch/frv/kernel/sysctl.c
@@ -197,7 +197,7 @@ static struct ctl_table frv_dir_table[] =
  */
 static int __init frv_sysctl_init(void)
 {
-	register_sysctl_table(frv_dir_table, 1);
+	register_sysctl_table(frv_dir_table, 0);
 	return 0;
 }
 
-- 
1.4.4.1.g278f

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[PATCH 25/59] sysctl: C99 convert arch/frv/kernel/pm.c [message #17174 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/frv/kernel/pm.c |   50 +++++++++++++++++++++++++++++++++++++++++++-------
 1 files changed, 43 insertions(+), 7 deletions(-)

diff --git a/arch/frv/kernel/pm.c b/arch/frv/kernel/pm.c
index c1840d6..aa50333 100644
--- a/arch/frv/kernel/pm.c
+++ b/arch/frv/kernel/pm.c
@@ -401,17 +401,53 @@ static int cm_sysctl(ctl_table *table, int __user *name, int nlen,
 
 static struct ctl_table pm_table[] =
 {
-	{CTL_PM_SUSPEND, "suspend", NULL, 0, 0200, NULL, &sysctl_pm_do_suspend},
-	{CTL_PM_CMODE, "cmode", &clock_cmode_current, sizeof(int), 0644, NULL, &cmode_procctl, &cmode_sysctl, NULL},
-	{CTL_PM_P0, "p0", &clock_p0_current, sizeof(int), 0644, NULL, &p0_procctl, &p0_sysctl, NULL},
-	{CTL_PM_CM, "cm", &clock_cm_current, sizeof(int), 0644, NULL, &cm_procctl, &cm_sysctl, NULL},
-	{0}
+	{
+		.ctl_name	= CTL_PM_SUSPEND,
+		.procname	= "suspend",
+		.data		= NULL,
+		.maxlen		= 0,
+		.mode		= 0200,
+		.proc_handler	= &sysctl_pm_do_suspend,
+	},
+	{
+		.ctl_name	= CTL_PM_CMODE,
+		.procname	= "cmode",
+		.data		= &clock_cmode_current,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &cmode_procctl,
+		.strategy	= &cmode_sysctl,
+	},
+	{
+		.ctl_name	= CTL_PM_P0,
+		.procname	= "p0",
+		.data		= &clock_p0_current,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &p0_procctl,
+		.strategy	= &p0_sysctl,
+	},
+	{
+		.ctl_name	= CTL_PM_CM,
+		.procname	= "cm",
+		.data		= &clock_cm_current,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &cm_procctl,
+		.strategy	= &cm_sysctl,
+	},
+	{ .ctl_name = 0}
 };
 
 static struct ctl_table pm_dir_table[] =
 {
-	{CTL_PM, "pm", NULL, 0, 0555, pm_table},
-	{0}
+	{
+		.ctl_name	= CTL_PM,
+		.procname	= "pm",
+		.mode		= 0555,
+		.child		= pm_table,
+	},
+	{ .ctl_name = 0}
 };
 
 /*
-- 
1.4.4.1.g278f

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[PATCH 26/59] sysctl: C99 convert arch/frv/kernel/sysctl.c [message #17175 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/frv/kernel/sysctl.c |   29 ++++++++++++++++++++++++-----
 1 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/arch/frv/kernel/sysctl.c b/arch/frv/kernel/sysctl.c
index 37528eb..577ad16 100644
--- a/arch/frv/kernel/sysctl.c
+++ b/arch/frv/kernel/sysctl.c
@@ -175,11 +175,25 @@ static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp,
  */
 static struct ctl_table frv_table[] =
 {
-	{ 1, "cache-mode",	NULL, 0, 0644, NULL, &procctl_frv_cachemode },
+	{
+		.ctl_name 	= 1,
+		.procname 	= "cache-mode",
+		.data		= NULL,
+		.maxlen		= 0,
+		.mode		= 0644,
+		.proc_handler	= &procctl_frv_cachemode,
+	},
 #ifdef CONFIG_MMU
-	{ 2, "pin-cxnr",	NULL, 0, 0644, NULL, &procctl_frv_pin_cxnr },
+	{
+		.ctl_name	= 2,
+		.procname	= "pin-cxnr",
+		.data		= NULL,
+		.maxlen		= 0,
+		.mode		= 0644,
+		.proc_handler	= &procctl_frv_pin_cxnr
+	},
 #endif
-	{ 0 }
+	{}
 };
 
 /*
@@ -188,8 +202,13 @@ static struct ctl_table frv_table[] =
  */
 static struct ctl_table frv_dir_table[] =
 {
-	{CTL_FRV, "frv", NULL, 0, 0555, frv_table},
-	{0}
+	{
+		.ctl_name	= CTL_FRV,
+		.procname	= "frv",
+		.mode 		= 0555,
+		.child		= frv_table
+	},
+	{}
 };
 
 /*
-- 
1.4.4.1.g278f

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[PATCH 27/59] sysctl: sn Remove sysctl ABI BREAKAGE [message #17176 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

By not using the enumeration in sysctl.h (or even understanding it)
the SN platform placed their arch specific xpc directory on top of
CTL_KERN and only because they didn't have 4 entries in their xpc
directory got lucky and didn't break glibc.

This is totally irresponsible.  So this patch entirely removes
sys_sysctl support from their sysctl code.  Hopefully they
don't have ascii name conflicts as well.

And now that they have no ABI numbers add them to the end
instead of the sysctl list instead of the head so nothing
else will be overridden.

Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/ia64/sn/kernel/xpc_main.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index 7a387d2..24adb75 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -101,7 +101,7 @@ static int xpc_disengage_request_max_timelimit = 120;
 
 static ctl_table xpc_sys_xpc_hb_dir[] = {
 	{
-		1,
+		CTL_UNNUMBERED,
 		"hb_interval",
 		&xpc_hb_interval,
 		sizeof(int),
@@ -114,7 +114,7 @@ static ctl_table xpc_sys_xpc_hb_dir[] = {
 		&xpc_hb_max_interval
 	},
 	{
-		2,
+		CTL_UNNUMBERED,
 		"hb_check_interval",
 		&xpc_hb_check_interval,
 		sizeof(int),
@@ -130,7 +130,7 @@ static ctl_table xpc_sys_xpc_hb_dir[] = {
 };
 static ctl_table xpc_sys_xpc_dir[] = {
 	{
-		1,
+		CTL_UNNUMBERED,
 		"hb",
 		NULL,
 		0,
@@ -138,7 +138,7 @@ static ctl_table xpc_sys_xpc_dir[] = {
 		xpc_sys_xpc_hb_dir
 	},
 	{
-		2,
+		CTL_UNNUMBERED,
 		"disengage_request_timelimit",
 		&xpc_disengage_request_timelimit,
 		sizeof(int),
@@ -154,7 +154,7 @@ static ctl_table xpc_sys_xpc_dir[] = {
 };
 static ctl_table xpc_sys_dir[] = {
 	{
-		1,
+		CTL_UNNUMBERED,
 		"xpc",
 		NULL,
 		0,
@@ -1251,7 +1251,7 @@ xpc_init(void)
 	snprintf(xpc_part->bus_id, BUS_ID_SIZE, "part");
 	snprintf(xpc_chan->bus_id, BUS_ID_SIZE, "chan");
 
-	xpc_sysctl = register_sysctl_table(xpc_sys_dir, 1);
+	xpc_sysctl = register_sysctl_table(xpc_sys_dir, 0);
 
 	/*
 	 * The first few fields of each entry of xpc_partitions[] need to
-- 
1.4.4.1.g278f

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[PATCH 28/59] sysctl: C99 Convert arch/ia64/sn/kernel/xpc_main.c [message #17177 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
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Registered: February 2006
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/ia64/sn/kernel/xpc_main.c |   86 +++++++++++++++++----------------------
 1 files changed, 38 insertions(+), 48 deletions(-)

diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index 24adb75..e04f7b5 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -101,67 +101,57 @@ static int xpc_disengage_request_max_timelimit = 120;
 
 static ctl_table xpc_sys_xpc_hb_dir[] = {
 	{
-		CTL_UNNUMBERED,
-		"hb_interval",
-		&xpc_hb_interval,
-		sizeof(int),
-		0644,
-		NULL,
-		&proc_dointvec_minmax,
-		&sysctl_intvec,
-		NULL,
-		&xpc_hb_min_interval,
-		&xpc_hb_max_interval
+		.ctl_name 	= CTL_UNNUMBERED,
+		.procname	= "hb_interval",
+		.data		= &xpc_hb_interval,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xpc_hb_min_interval,
+		.extra2		= &xpc_hb_max_interval
 	},
 	{
-		CTL_UNNUMBERED,
-		"hb_check_interval",
-		&xpc_hb_check_interval,
-		sizeof(int),
-		0644,
-		NULL,
-		&proc_dointvec_minmax,
-		&sysctl_intvec,
-		NULL,
-		&xpc_hb_check_min_interval,
-		&xpc_hb_check_max_interval
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "hb_check_interval",
+		.data		= &xpc_hb_check_interval,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xpc_hb_check_min_interval,
+		.extra2		= &xpc_hb_check_max_interval
 	},
-	{0}
+	{}
 };
 static ctl_table xpc_sys_xpc_dir[] = {
 	{
-		CTL_UNNUMBERED,
-		"hb",
-		NULL,
-		0,
-		0555,
-		xpc_sys_xpc_hb_dir
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "hb",
+		.mode		= 0555,
+		.child		= xpc_sys_xpc_hb_dir
 	},
 	{
-		CTL_UNNUMBERED,
-		"disengage_request_timelimit",
-		&xpc_disengage_request_timelimit,
-		sizeof(int),
-		0644,
-		NULL,
-		&proc_dointvec_minmax,
-		&sysctl_intvec,
-		NULL,
-		&xpc_disengage_request_min_timelimit,
-		&xpc_disengage_request_max_timelimit
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "disengage_request_timelimit",
+		.data		= &xpc_disengage_request_timelimit,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &xpc_disengage_request_min_timelimit,
+		.extra2		= &xpc_disengage_request_max_timelimit
 	},
-	{0}
+	{}
 };
 static ctl_table xpc_sys_dir[] = {
 	{
-		CTL_UNNUMBERED,
-		"xpc",
-		NULL,
-		0,
-		0555,
-		xpc_sys_xpc_dir
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "xpc",
+		.mode		= 0555,
+		.child		= xpc_sys_xpc_dir
 	},
-	{0}
+	{}
 };
 static struct ctl_table_header *xpc_sysctl;
 
-- 
1.4.4.1.g278f

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[PATCH 29/59] sysctl: C99 convert arch/ia64/kernel/perfmon and remove ABI breakage [message #17178 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

This convers the sysctl ctl_tables to use C99 initializers.
While I was looking at it I discovered it was using a portion of
the sysctl binary addresses space under CTL_KERN KERN_OSTYPE
which was completely inappropriate.  So I completely removed
all of the sysctl binary names, to remove and avoid the ABI conflict.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/ia64/kernel/perfmon.c |   56 ++++++++++++++++++++++++++++++++++++-------
 1 files changed, 47 insertions(+), 9 deletions(-)

diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index aa94f60..8c679ab 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -521,19 +521,57 @@ pfm_sysctl_t pfm_sysctl;
 EXPORT_SYMBOL(pfm_sysctl);
 
 static ctl_table pfm_ctl_table[]={
-	{1, "debug", &pfm_sysctl.debug, sizeof(int), 0666, NULL, &proc_dointvec, NULL,},
-	{2, "debug_ovfl", &pfm_sysctl.debug_ovfl, sizeof(int), 0666, NULL, &proc_dointvec, NULL,},
-	{3, "fastctxsw", &pfm_sysctl.fastctxsw, sizeof(int), 0600, NULL, &proc_dointvec, NULL,},
-	{4, "expert_mode", &pfm_sysctl.expert_mode, sizeof(int), 0600, NULL, &proc_dointvec, NULL,},
-	{ 0, },
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "debug",
+		.data		= &pfm_sysctl.debug,
+		.maxlen		= sizeof(int),
+		.mode		= 0666,
+		.proc_handler	= &proc_dointvec,
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "debug_ovfl",
+		.data		= &pfm_sysctl.debug_ovfl,
+		.maxlen		= sizeof(int),
+		.mode		= 0666,
+		.proc_handler	= &proc_dointvec,
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "fastctxsw",
+		.data		= &pfm_sysctl.fastctxsw,
+		.maxlen		= sizeof(int),
+		.mode		= 0600,
+		.proc_handler	=  &proc_dointvec,
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "expert_mode",
+		.data		= &pfm_sysctl.expert_mode,
+		.maxlen		= sizeof(int),
+		.mode		= 0600,
+		.proc_handler	= &proc_dointvec,
+	},
+	{}
 };
 static ctl_table pfm_sysctl_dir[] = {
-	{1, "perfmon", NULL, 0, 0755, pfm_ctl_table, },
- 	{0,},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "perfmon",
+		.mode		= 0755,
+		.child		= pfm_ctl_table,
+	},
+ 	{}
 };
 static ctl_table pfm_sysctl_root[] = {
-	{1, "kernel", NULL, 0, 0755, pfm_sysctl_dir, },
- 	{0,},
+	{
+		.ctl_name	= CTL_KERN,
+		.procname	= "kernel",
+		.mode		= 0755,
+		.child		= pfm_sysctl_dir,
+	},
+ 	{}
 };
 static struct ctl_table_header *pfm_sysctl_header;
 
-- 
1.4.4.1.g278f

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[PATCH 30/59] sysctl: mips/au1000 Remove sys_sysctl support [message #17179 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

The assignment of binary numbers for sys_sysctl use was in
shambles and despite requiring methods.  Nothing was implemented
on the sys_sysctl side.

So this patch gives a mercy killing to the sys_sysctl support for
powermanagment on mips/au1000.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/mips/au1000/common/power.c |   16 +++++-----------
 1 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/arch/mips/au1000/common/power.c b/arch/mips/au1000/common/power.c
index 7504a63..b531ab7 100644
--- a/arch/mips/au1000/common/power.c
+++ b/arch/mips/au1000/common/power.c
@@ -62,12 +62,6 @@ extern unsigned long save_local_and_disable(int controller);
 extern void restore_local_and_enable(int controller, unsigned long mask);
 extern void local_enable_irq(unsigned int irq_nr);
 
-/* Quick acpi hack. This will have to change! */
-#define	CTL_ACPI 9999
-#define	ACPI_S1_SLP_TYP 19
-#define	ACPI_SLEEP 21
-
-
 static DEFINE_SPINLOCK(pm_lock);
 
 /* We need to save/restore a bunch of core registers that are
@@ -425,14 +419,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
 
 
 static struct ctl_table pm_table[] = {
-	{ACPI_S1_SLP_TYP, "suspend", NULL, 0, 0600, NULL, &pm_do_suspend},
-	{ACPI_SLEEP, "sleep", NULL, 0, 0600, NULL, &pm_do_sleep},
-	{CTL_ACPI, "freq", NULL, 0, 0600, NULL, &pm_do_freq},
+	{CTL_UNNUMBERED, "suspend", NULL, 0, 0600, NULL, &pm_do_suspend},
+	{CTL_UNNUMBERED, "sleep", NULL, 0, 0600, NULL, &pm_do_sleep},
+	{CTL_UNNUMBERED, "freq", NULL, 0, 0600, NULL, &pm_do_freq},
 	{0}
 };
 
 static struct ctl_table pm_dir_table[] = {
-	{CTL_ACPI, "pm", NULL, 0, 0555, pm_table},
+	{CTL_UNNUMBERED, "pm", NULL, 0, 0555, pm_table},
 	{0}
 };
 
@@ -441,7 +435,7 @@ static struct ctl_table pm_dir_table[] = {
  */
 static int __init pm_init(void)
 {
-	register_sysctl_table(pm_dir_table, 1);
+	register_sysctl_table(pm_dir_table, 0);
 	return 0;
 }
 
-- 
1.4.4.1.g278f

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[PATCH 31/59] sysctl: C99 convert the ctl_tables in arch/mips/au1000/common/power.c [message #17180 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/mips/au1000/common/power.c |   38 ++++++++++++++++++++++++++++++++------
 1 files changed, 32 insertions(+), 6 deletions(-)

diff --git a/arch/mips/au1000/common/power.c b/arch/mips/au1000/common/power.c
index b531ab7..31256b8 100644
--- a/arch/mips/au1000/common/power.c
+++ b/arch/mips/au1000/common/power.c
@@ -419,15 +419,41 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
 
 
 static struct ctl_table pm_table[] = {
-	{CTL_UNNUMBERED, "suspend", NULL, 0, 0600, NULL, &pm_do_suspend},
-	{CTL_UNNUMBERED, "sleep", NULL, 0, 0600, NULL, &pm_do_sleep},
-	{CTL_UNNUMBERED, "freq", NULL, 0, 0600, NULL, &pm_do_freq},
-	{0}
+	{
+		.ctl_name 	= CTL_UNNUMBERED,
+		.procname	= "suspend",
+		.data		= NULL,
+		.maxlen		= 0,
+		.mode		= 0600,
+		.proc_handler	= &pm_do_suspend
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "sleep",
+		.data		= NULL,
+		.maxlen		= 0,
+		.mode		= 0600,
+		.proc_handler	= &pm_do_sleep
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "freq",
+		.data		= NULL,
+		.maxlen		= 0,
+		.mode		= 0600,
+		.proc_handler	= &pm_do_freq
+	},
+	{}
 };
 
 static struct ctl_table pm_dir_table[] = {
-	{CTL_UNNUMBERED, "pm", NULL, 0, 0555, pm_table},
-	{0}
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "pm",
+		.mode		= 0555,
+		.child		= pm_table
+	},
+	{}
 };
 
 /*
-- 
1.4.4.1.g278f

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[PATCH 32/59] sysctl: C99 convert arch/mips/lasat/sysctl.c and remove ABI breakage. [message #17181 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
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Senior Member
From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

While C99 converting the ctl_table initializers I realized
that the binary sysctl numbers were in conflict with the binary
values under CTL_KERN.   Including CTL_KERN KERN_VERSION as used
by glibc.  So I just removed the sysctl binary interface for these
values, as it was unsupportable.

Luckily these sysctl were inserted at the end of the
sysctl list so this bug was not visible to userspace.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/mips/lasat/sysctl.c |  145 ++++++++++++++++++++++++++++++++++++---------
 1 files changed, 116 insertions(+), 29 deletions(-)

diff --git a/arch/mips/lasat/sysctl.c b/arch/mips/lasat/sysctl.c
index 1287835..c04e82f 100644
--- a/arch/mips/lasat/sysctl.c
+++ b/arch/mips/lasat/sysctl.c
@@ -302,42 +302,129 @@ extern int lasat_boot_to_service;
 #ifdef CONFIG_SYSCTL
 
 static ctl_table lasat_table[] = {
-	{LASAT_CPU_HZ, "cpu-hz", &lasat_board_info.li_cpu_hz, sizeof(int),
-	 0444, NULL, &proc_dointvec, &sysctl_intvec},
-	{LASAT_BUS_HZ, "bus-hz", &lasat_board_info.li_bus_hz, sizeof(int),
-	 0444, NULL, &proc_dointvec, &sysctl_intvec},
-	{LASAT_MODEL, "bmid", &lasat_board_info.li_bmid, sizeof(int),
-	 0444, NULL, &proc_dointvec, &sysctl_intvec},
-	{LASAT_PRID, "prid", &lasat_board_info.li_prid, sizeof(int),
-	 0644, NULL, &proc_lasat_eeprom_value, &sysctl_lasat_eeprom_value},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "cpu-hz",
+		.data		= &lasat_board_info.li_cpu_hz,
+		.maxlen		= sizeof(int),
+		.mode		= 0444,
+		.proc_handler	= &proc_dointvec,
+		.strategy	= &sysctl_intvec
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "bus-hz",
+		.data		= &lasat_board_info.li_bus_hz,
+		.maxlen		= sizeof(int),
+		.mode		= 0444,
+		.proc_handler	= &proc_dointvec,
+		.strategy	= &sysctl_intvec
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "bmid",
+		.data		= &lasat_board_info.li_bmid,
+		.maxlen		= sizeof(int),
+		.mode		= 0444,
+		.proc_handler	= &proc_dointvec,
+		.strategy	= &sysctl_intvec
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "prid",
+		.data		= &lasat_board_info.li_prid,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_lasat_eeprom_value,
+		.strategy	= &sysctl_lasat_eeprom_value
+	},
 #ifdef CONFIG_INET
-	{LASAT_IPADDR, "ipaddr", &lasat_board_info.li_eeprom_info.ipaddr, sizeof(int),
-	 0644, NULL, &proc_lasat_ip, &sysctl_lasat_intvec},
-	{LASAT_NETMASK, "netmask", &lasat_board_info.li_eeprom_info.netmask, sizeof(int),
-	 0644, NULL, &proc_lasat_ip, &sysctl_lasat_intvec},
-	{LASAT_BCAST, "bcastaddr", &lasat_bcastaddr,
-		sizeof(lasat_bcastaddr), 0600, NULL,
-		&proc_dostring, &sysctl_string},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "ipaddr",
+		.data		= &lasat_board_info.li_eeprom_info.ipaddr,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_lasat_ip,
+		.strategy	= &sysctl_lasat_intvec
+	},
+	{
+		.ctl_name	= LASAT_NETMASK,
+		.procname	= "netmask",
+		.data		= &lasat_board_info.li_eeprom_info.netmask,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_lasat_ip,
+		.strategy	= &sysctl_lasat_intvec
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "bcastaddr",
+		.data		= &lasat_bcastaddr,
+		.maxlen		= sizeof(lasat_bcastaddr),
+		.mode		= 0600,
+		.proc_handler	= &proc_dostring,
+		.strategy	= &sysctl_string
+	},
 #endif
-	{LASAT_PASSWORD, "passwd_hash", &lasat_board_info.li_eeprom_info.passwd_hash, sizeof(lasat_board_info.li_eeprom_info.passwd_hash),
-	 0600, NULL, &proc_dolasatstring, &sysctl_lasatstring},
-	{LASAT_SBOOT, "boot-service", &lasat_boot_to_service, sizeof(int),
-	 0644, NULL, &proc_dointvec, &sysctl_intvec},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "passwd_hash",
+		.data		= &lasat_board_info.li_eeprom_info.passwd_hash,
+		.maxlen		= sizeof(lasat_board_info.li_eeprom_info.passwd_hash),
+		.mode		= 0600,
+		.proc_handler	= &proc_dolasatstring,
+		.strategy	= &sysctl_lasatstring
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "boot-service",
+		.data		= &lasat_boot_to_service,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec,
+		.strategy	= &sysctl_intvec
+	},
 #ifdef CONFIG_DS1603
-	{LASAT_RTC, "rtc", &rtctmp, sizeof(int),
-	 0644, NULL, &proc_dolasatrtc, &sysctl_lasat_rtc},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "rtc",
+		.data		= &rtctmp,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dolasatrtc,
+		.strategy	= &sysctl_lasat_rtc
+	},
 #endif
-	{LASAT_NAMESTR, "namestr", &lasat_board_info.li_namestr, sizeof(lasat_board_info.li_namestr),
-	 0444, NULL, &proc_dostring, &sysctl_string},
-	{LASAT_TYPESTR, "typestr", &lasat_board_info.li_typestr, sizeof(lasat_board_info.li_typestr),
-	 0444, NULL, &proc_dostring, &sysctl_string},
-	{0}
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "namestr",
+		.data		= &lasat_board_info.li_namestr,
+		.maxlen		= sizeof(lasat_board_info.li_namestr),
+		.mode		= 0444,
+		.proc_handler	=  &proc_dostring,
+		.strategy	= &sysctl_string
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "typestr",
+		.data		= &lasat_board_info.li_typestr,
+		.maxlen		= sizeof(lasat_board_info.li_typestr),
+		.mode		= 0444,
+		.proc_handler	= &proc_dostring,
+		.strategy	= &sysctl_string
+	},
+	{}
 };
 
-#define CTL_LASAT 1	// CTL_ANY ???
 static ctl_table lasat_root_table[] = {
-	{ CTL_LASAT, "lasat", NULL, 0, 0555, lasat_table },
-	{ 0 }
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "lasat",
+		.mode		=  0555,
+		.child		= lasat_table
+	},
+	{}
 };
 
 static int __init lasat_register_sysctl(void)
-- 
1.4.4.1.g278f

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[PATCH 33/59] sysctl: s390 move sysctl definitions to sysctl.h [message #17182 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

We need to have the the definition of all top level sysctl
directories registers in sysctl.h so we don't conflict by
accident and cause abi problems.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/s390/appldata/appldata.h |    3 +--
 arch/s390/kernel/debug.c      |    1 -
 arch/s390/mm/cmm.c            |    4 ----
 include/linux/sysctl.h        |    7 +++++++
 4 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/arch/s390/appldata/appldata.h b/arch/s390/appldata/appldata.h
index 0429481..4069b81 100644
--- a/arch/s390/appldata/appldata.h
+++ b/arch/s390/appldata/appldata.h
@@ -21,8 +21,7 @@
 #define APPLDATA_RECORD_NET_SUM_ID	0x03	/* must be < 256 !     */
 #define APPLDATA_RECORD_PROC_ID		0x04
 
-#define CTL_APPLDATA 		2120	/* sysctl IDs, must be unique */
-#define CTL_APPLDATA_TIMER 	2121
+#define CTL_APPLDATA_TIMER 	2121	/* sysctl IDs, must be unique */
 #define CTL_APPLDATA_INTERVAL 	2122
 #define CTL_APPLDATA_MEM	2123
 #define CTL_APPLDATA_OS		2124
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index bb57bc0..c81f8e5 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -852,7 +852,6 @@ debug_finish_entry(debug_info_t * id, debug_entry_t* active, int level,
 static int debug_stoppable=1;
 static int debug_active=1;
 
-#define CTL_S390DBF 5677
 #define CTL_S390DBF_STOPPABLE 5678
 #define CTL_S390DBF_ACTIVE 5679
 
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 607f50e..df733d5 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -256,10 +256,6 @@ cmm_skip_blanks(char *cp, char **endp)
 }
 
 #ifdef CONFIG_CMM_PROC
-/* These will someday get removed. */
-#define VM_CMM_PAGES		1111
-#define VM_CMM_TIMED_PAGES	1112
-#define VM_CMM_TIMEOUT		1113
 
 static struct ctl_table cmm_table[];
 
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 71c16b4..56d0161 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -73,6 +73,8 @@ enum
 	CTL_SUNRPC=7249,	/* sunrpc debug */
 	CTL_PM=9899,		/* frv power management */
 	CTL_FRV=9898,		/* frv specific sysctls */
+	CTL_S390DBF=5677,	/* s390 debug */
+	CTL_APPLDATA=2120,	/* s390 appldata */
 };
 
 /* CTL_BUS names: */
@@ -205,6 +207,11 @@ enum
 	VM_PANIC_ON_OOM=33,	/* panic at out-of-memory */
 	VM_VDSO_ENABLED=34,	/* map VDSO into new processes? */
 	VM_MIN_SLAB=35,		 /* Percent pages ignored by zone reclaim */
+
+	/* s390 vm cmm sysctls */
+	VM_CMM_PAGES=1111,
+	VM_CMM_TIMED_PAGES=1112,
+	VM_CMM_TIMEOUT=1113,
 };
 
 
-- 
1.4.4.1.g278f

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[PATCH 34/59] sysctl: s390 Remove unnecessary use of insert_at_head [message #17183 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/s390/appldata/appldata_base.c |    4 ++--
 arch/s390/kernel/debug.c           |    2 +-
 arch/s390/mm/cmm.c                 |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index b8c2372..cdc4109 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -506,7 +506,7 @@ int appldata_register_ops(struct appldata_ops *ops)
 
 	ops->ctl_table[3].ctl_name = 0;
 
-	ops->sysctl_header = register_sysctl_table(ops->ctl_table,1);
+	ops->sysctl_header = register_sysctl_table(ops->ctl_table,0);
 
 	P_INFO("%s-ops registered!\n", ops->name);
 	return 0;
@@ -606,7 +606,7 @@ static int __init appldata_init(void)
 	/* Register cpu hotplug notifier */
 	register_hotcpu_notifier(&appldata_nb);
 
-	appldata_sysctl_header = register_sysctl_table(appldata_dir_table, 1);
+	appldata_sysctl_header = register_sysctl_table(appldata_dir_table, 0);
 #ifdef MODULE
 	appldata_dir_table[0].de->owner = THIS_MODULE;
 	appldata_table[0].de->owner = THIS_MODULE;
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index c81f8e5..d38cb27 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -1053,7 +1053,7 @@ __init debug_init(void)
 {
 	int rc = 0;
 
-	s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table, 1);
+	s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table, 0);
 	down(&debug_lock);
 	debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT,NULL);
 	printk(KERN_INFO "debug: Initialization complete\n");
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index df733d5..5f83a3f 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -418,7 +418,7 @@ cmm_init (void)
 	int rc = -ENOMEM;
 
 #ifdef CONFIG_CMM_PROC
-	cmm_sysctl_header = register_sysctl_table(cmm_dir_table, 1);
+	cmm_sysctl_header = register_sysctl_table(cmm_dir_table, 0);
 	if (!cmm_sysctl_header)
 		goto out;
 #endif
-- 
1.4.4.1.g278f

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[PATCH 35/59] sysctl: C99 convert ctl_tables in arch/powerpc/kernel/idle.c [message #17184 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
Senior Member
From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

This was partially done already and there was no ABI breakage what
a relief.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/powerpc/kernel/idle.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c
index 8994af3..8b27bb1 100644
--- a/arch/powerpc/kernel/idle.c
+++ b/arch/powerpc/kernel/idle.c
@@ -110,11 +110,16 @@ static ctl_table powersave_nap_ctl_table[]={
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec,
 	},
-	{ 0, },
+	{}
 };
 static ctl_table powersave_nap_sysctl_root[] = {
-	{ 1, "kernel", NULL, 0, 0755, powersave_nap_ctl_table, },
- 	{ 0,},
+	{
+		.ctl_name	= CTL_KERN,
+		.procname	= "kernel",
+		.mode		= 0755,
+		.child		= powersave_nap_ctl_table,
+	},
+	{}
 };
 
 static int __init
-- 
1.4.4.1.g278f

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[PATCH 36/59] sysctl: C99 convert ctl_tables entries in arch/ppc/kernel/ppc_htab.c [message #17185 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
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Messages: 1354
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

And make the mode of the kernel directory 0555 no one is allowed
to write to sysctl directories.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/ppc/kernel/ppc_htab.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/ppc/kernel/ppc_htab.c b/arch/ppc/kernel/ppc_htab.c
index bd129d3..77b20ff 100644
--- a/arch/ppc/kernel/ppc_htab.c
+++ b/arch/ppc/kernel/ppc_htab.c
@@ -442,11 +442,16 @@ static ctl_table htab_ctl_table[]={
 		.mode		= 0644,
 		.proc_handler	= &proc_dol2crvec,
 	},
-	{ 0, },
+	{}
 };
 static ctl_table htab_sysctl_root[] = {
-	{ 1, "kernel", NULL, 0, 0755, htab_ctl_table, },
- 	{ 0,},
+	{
+		.ctl_name	= CTL_KERN,
+		.procname	= "kernel",
+		.mode		= 0555,
+		.child		= htab_ctl_table,
+	},
+	{}
 };
 
 static int __init
-- 
1.4.4.1.g278f

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[PATCH 37/59] sysctl: C99 convert arch/sh64/kernel/traps.c and remove ABI breakage. [message #17186 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
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From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

While doing the C99 conversion I notices that the top level sh64
directory was using the binary number for CTL_KERN.  That is a
no-no so I removed the support for the sysctl binary interface
only leaving sysctl /proc support.

At least the sysctl tables were placed at the end of
the list so user space did not see this mistake.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/sh64/kernel/traps.c |   49 +++++++++++++++++++++++++++++++++++----------
 1 files changed, 38 insertions(+), 11 deletions(-)

diff --git a/arch/sh64/kernel/traps.c b/arch/sh64/kernel/traps.c
index 224b7f5..02cca74 100644
--- a/arch/sh64/kernel/traps.c
+++ b/arch/sh64/kernel/traps.c
@@ -910,25 +910,52 @@ static int misaligned_fixup(struct pt_regs *regs)
 }
 
 static ctl_table unaligned_table[] = {
-	{1, "kernel_reports", &kernel_mode_unaligned_fixup_count,
-		sizeof(int), 0644, NULL, &proc_dointvec},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "kernel_reports",
+		.data		= &kernel_mode_unaligned_fixup_count,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec
+	},
 #if defined(CONFIG_SH64_USER_MISALIGNED_FIXUP)
-	{2, "user_reports", &user_mode_unaligned_fixup_count,
-		sizeof(int), 0644, NULL, &proc_dointvec},
-	{3, "user_enable", &user_mode_unaligned_fixup_enable,
-		sizeof(int), 0644, NULL, &proc_dointvec},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "user_reports",
+		.data		= &user_mode_unaligned_fixup_count,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec
+	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "user_enable",
+		.data		= &user_mode_unaligned_fixup_enable,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec},
 #endif
-	{0}
+	{}
 };
 
 static ctl_table unaligned_root[] = {
-	{1, "unaligned_fixup", NULL, 0, 0555, unaligned_table},
-	{0}
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "unaligned_fixup",
+		.mode		= 0555,
+		unaligned_table
+	},
+	{}
 };
 
 static ctl_table sh64_root[] = {
-	{1, "sh64", NULL, 0, 0555, unaligned_root},
-	{0}
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "sh64",
+		.mode		= 0555,
+		.child		= unaligned_root
+	},
+	{}
 };
 static struct ctl_table_header *sysctl_header;
 static int __init init_sysctl(void)
-- 
1.4.4.1.g278f

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[PATCH 38/59] sysctl: x86_64 Remove unnecessary use of insert_at_head [message #17187 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to next message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
Senior Member
From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

The only sysctl x86_64 provides are not provided elsewhere,
so insert_at_head is unnecessary.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/x86_64/ia32/ia32_binfmt.c |    2 +-
 arch/x86_64/mm/init.c          |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index 543ef4f..75677ad 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -408,7 +408,7 @@ static ctl_table abi_root_table2[] = {
 
 static __init int ia32_binfmt_init(void)
 { 
-	register_sysctl_table(abi_root_table2, 1);
+	register_sysctl_table(abi_root_table2, 0);
 	return 0;
 }
 __initcall(ia32_binfmt_init);
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 2968b90..65aa66c 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -724,7 +724,7 @@ static ctl_table debug_root_table2[] = {
 
 static __init int x8664_sysctl_init(void)
 { 
-	register_sysctl_table(debug_root_table2, 1);
+	register_sysctl_table(debug_root_table2, 0);
 	return 0;
 }
 __initcall(x8664_sysctl_init);
-- 
1.4.4.1.g278f

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[PATCH 39/59] sysctl: C99 convert ctl_tables in arch/x86_64/ia32/ia32_binfmt.c [message #17188 is a reply to message #17149] Tue, 16 January 2007 16:39 Go to previous messageGo to previous message
ebiederm is currently offline  ebiederm
Messages: 1354
Registered: February 2006
Senior Member
From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 arch/x86_64/ia32/ia32_binfmt.c |   30 ++++++++++++++++++++----------
 1 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index 75677ad..644b203 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -395,16 +395,26 @@ EXPORT_SYMBOL(ia32_setup_arg_pages);
 #include <linux/sysctl.h>
 
 static ctl_table abi_table2[] = {
-	{ 99, "vsyscall32", &sysctl_vsyscall32, sizeof(int), 0644, NULL,
-	  proc_dointvec },
-	{ 0, }
-}; 
-
-static ctl_table abi_root_table2[] = { 
-	{ .ctl_name = CTL_ABI, .procname = "abi", .mode = 0555, 
-	  .child = abi_table2 }, 
-	{ 0 }, 
-}; 
+	{
+		.ctl_name	= 99,
+		.procname	= "vsyscall32",
+		.data		= &sysctl_vsyscall32,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec
+	},
+	{}
+};
+
+static ctl_table abi_root_table2[] = {
+	{
+		.ctl_name = CTL_ABI,
+		.procname = "abi",
+		.mode = 0555,
+		.child = abi_table2
+	},
+	{}
+};
 
 static __init int ia32_binfmt_init(void)
 { 
-- 
1.4.4.1.g278f

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