diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-23 02:55:20 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-03 18:15:59 -0500 |
| commit | 1084f751d437a1823787285517f1161935483569 (patch) | |
| tree | d806c29d19d51a5dd28171aa4c28b29b6bb87736 | |
| parent | 0aa0203fb43f04714004b2c4ad33b858e240555d (diff) | |
m32r: switch to generic sigaltstack
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/m32r/Kconfig | 1 | ||||
| -rw-r--r-- | arch/m32r/kernel/signal.c | 16 |
2 files changed, 3 insertions, 14 deletions
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index f807721e19a..1f550d4dd5d 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -15,6 +15,7 @@ config M32R select GENERIC_ATOMIC64 select ARCH_USES_GETTIMEOFFSET select MODULES_USE_ELF_RELA + select GENERIC_SIGALTSTACK config SBUS bool diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index 6e3c26a1607..d503568cb75 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -27,15 +27,6 @@ #define DEBUG_SIG 0 -asmlinkage int -sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, - unsigned long r2, unsigned long r3, unsigned long r4, - unsigned long r5, unsigned long r6, struct pt_regs *regs) -{ - return do_sigaltstack(uss, uoss, regs->spu); -} - - /* * Do a signal return; undo the signal stack. */ @@ -113,7 +104,7 @@ sys_rt_sigreturn(unsigned long r0, unsigned long r1, if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &result)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->spu) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; return result; @@ -213,10 +204,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Create the ucontext. */ err |= __put_user(0, &frame->uc.uc_flags); err |= __put_user(0, &frame->uc.uc_link); - err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(regs->spu), - &frame->uc.uc_stack.ss_flags); - err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); + err |= __save_altstack(&frame->uc.uc_stack, regs->spu); err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0]); err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); if (err) |