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sparc: switch to generic compat rt_sigprocmask(2) 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-25 13:39:26 -05:00
parent c9716252be
commit 826c8772b1
2 changed files with 1 additions and 40 deletions
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1
arch/sparc/Kconfig
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@ -43,6 +43,7 @@ config SPARC
select MODULES_USE_ELF_RELA
select ODD_RT_SIGACTION
select GENERIC_SIGALTSTACK
select GENERIC_COMPAT_RT_SIGPROCMASK
config SPARC32
def_bool !64BIT

40
arch/sparc/kernel/sys_sparc32.c
View File

@ -211,46 +211,6 @@ asmlinkage long compat_sys_sysfs(int option, u32 arg1, u32 arg2)
return sys_sysfs(option, arg1, arg2);
}
asmlinkage long compat_sys_rt_sigprocmask(int how,
compat_sigset_t __user *set,
compat_sigset_t __user *oset,
compat_size_t sigsetsize)
{
sigset_t s;
compat_sigset_t s32;
int ret;
mm_segment_t old_fs = get_fs();
if (set) {
if (copy_from_user (&s32, set, sizeof(compat_sigset_t)))
return -EFAULT;
switch (_NSIG_WORDS) {
case 4: s.sig[3] = s32.sig[6] | (((long)s32.sig[7]) << 32);
case 3: s.sig[2] = s32.sig[4] | (((long)s32.sig[5]) << 32);
case 2: s.sig[1] = s32.sig[2] | (((long)s32.sig[3]) << 32);
case 1: s.sig[0] = s32.sig[0] | (((long)s32.sig[1]) << 32);
}
}
set_fs (KERNEL_DS);
ret = sys_rt_sigprocmask(how,
set ? (sigset_t __user *) &s : NULL,
oset ? (sigset_t __user *) &s : NULL,
sigsetsize);
set_fs (old_fs);
if (ret) return ret;
if (oset) {
switch (_NSIG_WORDS) {
case 4: s32.sig[7] = (s.sig[3] >> 32); s32.sig[6] = s.sig[3];
case 3: s32.sig[5] = (s.sig[2] >> 32); s32.sig[4] = s.sig[2];
case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1];
case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0];
}
if (copy_to_user (oset, &s32, sizeof(compat_sigset_t)))
return -EFAULT;
}
return 0;
}
asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set,
compat_size_t sigsetsize)
{