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authorH. Peter Anvin <hpa@linux.intel.com>2013-04-20 09:16:44 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2013-04-20 09:16:44 -0700
commitf53f292eeaa234615c31a1306babe703fc4263f2 (patch)
tree707b0933a20f7dc05495e974243a23b5c9f8c918 /arch/frv/kernel/signal.c
parent15b9c359f288b09003cb70f7ed204affc0c6614d (diff)
parenta9499fa7cd3fd4824a7202d00c766b269fa3bda6 (diff)
Merge remote-tracking branch 'efi/chainsaw' into x86/efi
Resolved Conflicts: drivers/firmware/efivars.c fs/efivarsfs/file.c Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/frv/kernel/signal.c')
-rw-r--r--arch/frv/kernel/signal.c55
1 files changed, 2 insertions, 53 deletions
diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c
index 535810a3217a..d822700d4f15 100644
--- a/arch/frv/kernel/signal.c
+++ b/arch/frv/kernel/signal.c
@@ -33,55 +33,6 @@ struct fdpic_func_descriptor {
};
/*
- * Atomically swap in the new signal mask, and wait for a signal.
- */
-asmlinkage int sys_sigsuspend(int history0, int history1, old_sigset_t mask)
-{
- sigset_t blocked;
- siginitset(&blocked, mask);
- return sigsuspend(&blocked);
-}
-
-asmlinkage int sys_sigaction(int sig,
- const struct old_sigaction __user *act,
- struct old_sigaction __user *oact)
-{
- struct k_sigaction new_ka, old_ka;
- int ret;
-
- if (act) {
- old_sigset_t mask;
- if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
- __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
- __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
- __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
- __get_user(mask, &act->sa_mask))
- return -EFAULT;
- siginitset(&new_ka.sa.sa_mask, mask);
- }
-
- ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
- if (!ret && oact) {
- if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
- __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
- __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
- __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
- __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
- return -EFAULT;
- }
-
- return ret;
-}
-
-asmlinkage
-int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss)
-{
- return do_sigaltstack(uss, uoss, __frame->sp);
-}
-
-
-/*
* Do a signal return; undo the signal stack.
*/
@@ -173,7 +124,7 @@ asmlinkage int sys_rt_sigreturn(void)
if (restore_sigcontext(&frame->uc.uc_mcontext, &gr8))
goto badframe;
- if (do_sigaltstack(&frame->uc.uc_stack, NULL, __frame->sp) == -EFAULT)
+ if (restore_altstack(&frame->uc.uc_stack))
goto badframe;
return gr8;
@@ -345,9 +296,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* Create the ucontext. */
if (__put_user(0, &frame->uc.uc_flags) ||
__put_user(NULL, &frame->uc.uc_link) ||
- __put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp) ||
- __put_user(sas_ss_flags(__frame->sp), &frame->uc.uc_stack.ss_flags) ||
- __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size))
+ __save_altstack(&frame->uc.uc_stack, __frame->sp))
goto give_sigsegv;
if (setup_sigcontext(&frame->uc.uc_mcontext, set->sig[0]))