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[RFC][PATCH 2/5] uts namespaces: Switch to using uts namespaces [message #2487 is a reply to message #2484] Fri, 07 April 2006 18:36 Go to previous messageGo to previous message
serue is currently offline  serue
Messages: 750
Registered: February 2006
Senior Member
Replace references to system_utsname to the per-process uts namespace
where appropriate. This includes things like uname.

Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
---
arch/alpha/kernel/osf_sys.c | 24 ++++++++++++------------
arch/i386/kernel/sys_i386.c | 12 ++++++------
arch/ia64/sn/kernel/sn2/sn_hwperf.c | 2 +-
arch/m32r/kernel/sys_m32r.c | 2 +-
arch/mips/kernel/linux32.c | 2 +-
arch/mips/kernel/syscall.c | 18 +++++++++---------
arch/mips/kernel/sysirix.c | 12 ++++++------
arch/parisc/hpux/sys_hpux.c | 22 +++++++++++-----------
arch/powerpc/kernel/syscalls.c | 14 +++++++-------
arch/sh/kernel/sys_sh.c | 2 +-
arch/sh64/kernel/sys_sh64.c | 2 +-
arch/sparc/kernel/sys_sparc.c | 4 ++--
arch/sparc/kernel/sys_sunos.c | 10 +++++-----
arch/sparc64/kernel/sys_sparc.c | 4 ++--
arch/sparc64/kernel/sys_sunos32.c | 10 +++++-----
arch/sparc64/solaris/misc.c | 6 +++---
arch/um/drivers/mconsole_kern.c | 6 +++---
arch/um/kernel/syscall_kern.c | 12 ++++++------
arch/um/sys-x86_64/syscalls.c | 2 +-
arch/x86_64/ia32/sys_ia32.c | 10 +++++-----
arch/x86_64/kernel/sys_x86_64.c | 2 +-
arch/xtensa/kernel/syscalls.c | 2 +-
drivers/char/random.c | 4 ++--
fs/cifs/connect.c | 28 ++++++++++++++--------------
fs/exec.c | 2 +-
fs/lockd/clntproc.c | 4 ++--
fs/lockd/mon.c | 2 +-
fs/lockd/svclock.c | 2 +-
fs/lockd/xdr.c | 2 +-
fs/nfs/nfsroot.c | 2 +-
include/linux/lockd/lockd.h | 2 +-
kernel/sys.c | 14 +++++++-------
32 files changed, 121 insertions(+), 121 deletions(-)

92a8cf13a78415ed5ec9068698b5039ddcc00210
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 31afe3d..b793b96 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -402,15 +402,15 @@ osf_utsname(char __user *name)

down_read(&uts_sem);
error = -EFAULT;
- if (copy_to_user(name + 0, system_utsname.sysname, 32))
+ if (copy_to_user(name + 0, utsname()->sysname, 32))
goto out;
- if (copy_to_user(name + 32, system_utsname.nodename, 32))
+ if (copy_to_user(name + 32, utsname()->nodename, 32))
goto out;
- if (copy_to_user(name + 64, system_utsname.release, 32))
+ if (copy_to_user(name + 64, utsname()->release, 32))
goto out;
- if (copy_to_user(name + 96, system_utsname.version, 32))
+ if (copy_to_user(name + 96, utsname()->version, 32))
goto out;
- if (copy_to_user(name + 128, system_utsname.machine, 32))
+ if (copy_to_user(name + 128, utsname()->machine, 32))
goto out;

error = 0;
@@ -449,8 +449,8 @@ osf_getdomainname(char __user *name, int

down_read(&uts_sem);
for (i = 0; i < len; ++i) {
- __put_user(system_utsname.domainname[i], name + i);
- if (system_utsname.domainname[i] == '\0')
+ __put_user(utsname()->domainname[i], name + i);
+ if (utsname()->domainname[i] == '\0')
break;
}
up_read(&uts_sem);
@@ -608,11 +608,11 @@ asmlinkage long
osf_sysinfo(int command, char __user *buf, long count)
{
static char * sysinfo_table[] = {
- system_utsname.sysname,
- system_utsname.nodename,
- system_utsname.release,
- system_utsname.version,
- system_utsname.machine,
+ utsname()->sysname,
+ utsname()->nodename,
+ utsname()->release,
+ utsname()->version,
+ utsname()->machine,
"alpha", /* instruction set architecture */
"dummy", /* hardware serial number */
"dummy", /* hardware manufacturer */
diff --git a/arch/i386/kernel/sys_i386.c b/arch/i386/kernel/sys_i386.c
index 8fdb1fb..4af731d 100644
--- a/arch/i386/kernel/sys_i386.c
+++ b/arch/i386/kernel/sys_i386.c
@@ -210,7 +210,7 @@ asmlinkage int sys_uname(struct old_utsn
if (!name)
return -EFAULT;
down_read(&uts_sem);
- err=copy_to_user(name, &system_utsname, sizeof (*name));
+ err=copy_to_user(name, utsname(), sizeof (*name));
up_read(&uts_sem);
return err?-EFAULT:0;
}
@@ -226,15 +226,15 @@ asmlinkage int sys_olduname(struct oldol

down_read(&uts_sem);

- error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
+ error = __copy_to_user(&name->sysname,&utsname()->sysname,__OLD_UTS_LEN);
error |= __put_user(0,name->sysname+__OLD_UTS_LEN);
- error |= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
+ error |= __copy_to_user(&name->nodename,&utsname()->nodename,__OLD_UTS_LEN);
error |= __put_user(0,name->nodename+__OLD_UTS_LEN);
- error |= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
+ error |= __copy_to_user(&name->release,&utsname()->release,__OLD_UTS_LEN);
error |= __put_user(0,name->release+__OLD_UTS_LEN);
- error |= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
+ error |= __copy_to_user(&name->version,&utsname()->version,__OLD_UTS_LEN);
error |= __put_user(0,name->version+__OLD_UTS_LEN);
- error |= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
+ error |= __copy_to_user(&name->machine,&utsname()->machine,__OLD_UTS_LEN);
error |= __put_user(0,name->machine+__OLD_UTS_LEN);

up_read(&uts_sem);
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index d917afa..a0632a9 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -420,7 +420,7 @@ static int sn_topology_show(struct seq_f
"coherency_domain %d, "
"region_size %d\n",

- partid, system_utsname.nodename,
+ partid, utsname()->nodename,
shubtype ? "shub2" : "shub1",
(u64)nasid_mask << nasid_shift, nasid_msb, nasid_shift,
system_size, sharing_size, coher, region_size);
diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c
index 670cb49..11412c0 100644
--- a/arch/m32r/kernel/sys_m32r.c
+++ b/arch/m32r/kernel/sys_m32r.c
@@ -206,7 +206,7 @@ asmlinkage int sys_uname(struct old_utsn
if (!name)
return -EFAULT;
down_read(&uts_sem);
- err=copy_to_user(name, &system_utsname, sizeof (*name));
+ err=copy_to_user(name, utsname(), sizeof (*name));
up_read(&uts_sem);
return err?-EFAULT:0;
}
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 3f40c37..b9b702f 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -1100,7 +1100,7 @@ asmlinkage long sys32_newuname(struct ne
int ret = 0;

down_read(&uts_sem);
- if (copy_to_user(name,&system_utsname,sizeof *name))
+ if (copy_to_user(name,utsname(),sizeof *name))
ret = -EFAULT;
up_read(&uts_sem);

diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 2aeaa2f..8b13d57 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -232,7 +232,7 @@ out:
*/
asmlinkage int sys_uname(struct old_utsname __user * name)
{
- if (name && !copy_to_user(name, &system_utsname, sizeof (*name)))
+ if (name && !copy_to_user(name, utsname(), sizeof (*name)))
return 0;
return -EFAULT;
}
@@ -249,15 +249,15 @@ asmlinkage int sys_olduname(struct oldol
if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
return -EFAULT;

- error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
+ error = __copy_to_user(&name->sysname,&utsname()->sysname,__OLD_UTS_LEN);
error -= __put_user(0,name->sysname+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
+ error -= __copy_to_user(&name->nodename,&utsname()->nodename,__OLD_UTS_LEN);
error -= __put_user(0,name->nodename+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
+ error -= __copy_to_user(&name->release,&utsname()->release,__OLD_UTS_LEN);
error -= __put_user(0,name->release+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
+ error -= __copy_to_user(&name->version,&utsname()->version,__OLD_UTS_LEN);
error -= __put_user(0,name->version+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
+ error -= __copy_to_user(&name->machine,&utsname()->machine,__OLD_UTS_LEN);
error = __put_user(0,name->machine+__OLD_UTS_LEN);
error = error ? -EFAULT : 0;

@@ -293,10 +293,10 @@ asmlinkage int _sys_sysmips(int cmd, lon
return -EFAULT;

down_write(&uts_sem);
- strncpy(system_utsname.nodename, nodename, len);
+ strncpy(utsname()->nodename, nodename, len);
nodename[__NEW_UTS_LEN] = '\0';
- strlcpy(system_utsname.nodename, nodename,
- sizeof(system_utsname.nodename));
+ strlcpy(utsname()->nodename, nodename,
+ sizeof(utsname()->nodename));
up_write(&uts_sem);
return 0;
}
diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c
index 5407b78..1b4e7e7 100644
--- a/arch/mips/kernel/sysirix.c
+++ b/arch/mips/kernel/sysirix.c
@@ -884,7 +884,7 @@ asmlinkage int irix_getdomainname(char _
down_read(&uts_sem);
if (len > __NEW_UTS_LEN)
len = __NEW_UTS_LEN;
- err = copy_to_user(name, system_utsname.domainname, len) ? -EFAULT : 0;
+ err = copy_to_user(name, utsname()->domainname, len) ? -EFAULT : 0;
up_read(&uts_sem);

return err;
@@ -1127,11 +1127,11 @@ struct iuname {
asmlinkage int irix_uname(struct iuname __user *buf)
{
down_read(&uts_sem);
- i
...

 
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