This patch virtualizes uts name.
main changes are done in container.h, uts_name.h,
all other places are just replacement of system_utsname with uts_name.
Signed-Off-By: Kirill Korotaev <dev@openvz.org>
Kirill
--- ./arch/alpha/kernel/osf_sys.c.utsnamex 2006-02-07 01:18:42.000000000 +0300
+++ ./arch/alpha/kernel/osf_sys.c 2006-02-07 01:18:50.000000000 +0300
@@ -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, uts_name.sysname, 32))
goto out;
- if (copy_to_user(name + 32, system_utsname.nodename, 32))
+ if (copy_to_user(name + 32, uts_name.nodename, 32))
goto out;
- if (copy_to_user(name + 64, system_utsname.release, 32))
+ if (copy_to_user(name + 64, uts_name.release, 32))
goto out;
- if (copy_to_user(name + 96, system_utsname.version, 32))
+ if (copy_to_user(name + 96, uts_name.version, 32))
goto out;
- if (copy_to_user(name + 128, system_utsname.machine, 32))
+ if (copy_to_user(name + 128, uts_name.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(uts_name.domainname[i], name + i);
+ if (uts_name.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,
+ uts_name.sysname,
+ uts_name.nodename,
+ uts_name.release,
+ uts_name.version,
+ uts_name.machine,
"alpha", /* instruction set architecture */
"dummy", /* hardware serial number */
"dummy", /* hardware manufacturer */
--- ./arch/i386/kernel/sys_i386.c.utsnamex 2006-02-07 01:18:42.000000000 +0300
+++ ./arch/i386/kernel/sys_i386.c 2006-02-07 01:18:50.000000000 +0300
@@ -217,7 +217,7 @@ 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, &uts_name, sizeof (*name));
up_read(&uts_sem);
return err?-EFAULT:0;
}
@@ -233,15 +233,15 @@ 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,&uts_name.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,&uts_name.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,&uts_name.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,&uts_name.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,&uts_name.machine,__OLD_UTS_LEN);
error |= __put_user(0,name->machine+__OLD_UTS_LEN);
up_read(&uts_sem);
--- ./arch/m32r/kernel/sys_m32r.c.utsnamex 2006-02-07 01:18:42.000000000 +0300
+++ ./arch/m32r/kernel/sys_m32r.c 2006-02-07 01:18:50.000000000 +0300
@@ -199,7 +199,7 @@ 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, &uts_name, sizeof (*name));
up_read(&uts_sem);
return err?-EFAULT:0;
}
--- ./arch/mips/kernel/linux32.c.utsnamex 2006-02-07 01:18:42.000000000 +0300
+++ ./arch/mips/kernel/linux32.c 2006-02-07 01:18:50.000000000 +0300
@@ -1150,7 +1150,7 @@ 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,&uts_name,sizeof *name))
ret = -EFAULT;
up_read(&uts_sem);
--- ./arch/mips/kernel/syscall.c.utsnamex 2006-02-07 01:18:42.000000000 +0300
+++ ./arch/mips/kernel/syscall.c 2006-02-07 01:18:50.000000000 +0300
@@ -229,7 +229,7 @@ out:
*/
asmlinkage int sys_uname(struct old_utsname * name)
{
- if (name && !copy_to_user(name, &system_utsname, sizeof (*name)))
+ if (name && !copy_to_user(name, &uts_name, sizeof (*name)))
return 0;
return -EFAULT;
}
@@ -246,15 +246,15 @@ 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,&uts_name.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,&uts_name.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,&uts_name.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,&uts_name.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,&uts_name.machine,__OLD_UTS_LEN);
error = __put_user(0,name->machine+__OLD_UTS_LEN);
error = error ? -EFAULT : 0;
@@ -290,10 +290,10 @@ asmlinkage int _sys_sysmips(int cmd, lon
return -EFAULT;
down_write(&uts_sem);
- strncpy(system_utsname.nodename, nodename, len);
+ strncpy(uts_name.nodename, nodename, len);
nodename[__NEW_UTS_LEN] = '\0';
- strlcpy(system_utsname.nodename, nodename,
- sizeof(system_utsname.nodename));
+ strlcpy(uts_name.nodename, nodename,
+ sizeof(uts_name.nodename));
up_write(&uts_sem);
return 0;
}
--- ./arch/mips/kernel/sysirix.c.utsnamex 2006-02-07 01:18:42.000000000 +0300
+++ ./arch/mips/kernel/sysirix.c 2006-02-07 01:18:50.000000000 +0300
@@ -904,7 +904,7 @@ 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, uts_name.domainname, len) ? -EFAULT : 0;
up_read(&uts_sem);
return err;
@@ -1147,11 +1147,11 @@ struct iuname {
asmlinkage int irix_uname(struct iuname __user *buf)
{
down_read(&uts_sem);
- if (copy_from_user(system_utsname.sysname, buf->sysname, 65)
- || copy_from_user(system_utsname.nodename, buf->nodename, 65)
- || copy_from_user(system_utsname.release, buf->release, 65)
- || copy_from_user(system_utsname.version, buf->version, 65)
- || copy_from_user(system_utsname.machine, buf->machine, 65)) {
+ if (copy_from_user(uts_name.sysname, buf->sysname, 65)
+ || copy_from_user(uts_name.nodename, buf->nodename, 65)
+ || copy_from_user(uts_name.release, buf->release, 65)
+ || copy_from_user(uts_name.version, buf->version, 65)
+ || copy_from_user(uts_name.machine, buf->machine, 65)) {
return -EFAULT;
}
up_read(&uts_sem);
--- ./arch/parisc/hpux/sys_hpux.c.utsnamex 2006-02-07 01:18:42.000000000 +0300
+++ ./arch/parisc/hpux/sys_hpux.c 2006-02-07 01:18:50.000000000 +0300
@@ -266,15 +266,15 @@ static int hpux_uname(struct hpux_utsnam
down_read(&uts_sem);
- error = __copy_to_user(&name->sysname,&system_utsname.sysname,HPUX_UTSLEN-1);
+ error = __copy_to_user(&name->sysname,&uts_name.sysname,HPUX_UTSLEN-1);
error |= __put_user(0,name->sysname+HPUX_UTSLEN-1);
- error |= __copy_to_user(&name->nodename,&system_utsname.nodename,HPUX_UTSLEN-1);
+ error |= __copy_to_user(&name->nodename,&uts_name.nodename,HPUX_UTSLEN-1);
error |= __put_user(0,name->nodename+HPUX_UTSLEN-1);
- error |= __copy_to_user(&name->release,&system_utsname.release,HPUX_UTSLEN-1);
+ error |= __copy_to_user(&name->release,&uts_name.release,HPUX_UTSLEN-1);
error |= __put_user(0,name->release+HPUX_UTSLEN-1);
- error |= __copy_to_user(&name->version,&system_utsname.version,HPUX_UTSLEN-1);
+ error |= __copy_to_user(&name->version,&uts_name.version,HPUX_UTSLEN-1);
error |= __put_user(0,name->version+HPUX_UTSLEN-1);
- error |= __copy_to_user(&name->machine,&system_utsname.machine,HPUX_UTSLEN-1);
+ error |= __copy_to_user(&name->machine,&uts_name.machine,HPUX_UTSLEN-1);
error |= __put_user(0,name->machine+HPUX_UTSLEN-1);
up_read(&uts_sem);
@@ -373,8 +373,8 @@ int hpux_utssys(char *ubuf, int n, int t
/* TODO: print a warning about using this? */
down_write(&uts_sem);
error = -EFAULT;
- if (!copy_from_user(system_utsname.sysname, ubuf, len)) {
- system_utsname.sysname[len] = 0;
+ if (!copy_from_user(uts_name.sysname, ubuf, len)) {
+ uts_name.sysname[len] = 0;
error = 0;
}
up_write(&uts_sem);
@@ -400,8 +4
...
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