diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-23 11:19:34 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-04 03:15:56 +0400 |
| commit | 6bc43c9ee92b4146b56e8758cec73f0990410326 (patch) | |
| tree | 407304e2b901b0fd63504e3b1cac7cead529aab5 /arch/h8300 | |
| parent | 0aa0203fb43f04714004b2c4ad33b858e240555d (diff) | |
| download | linux-6bc43c9ee92b4146b56e8758cec73f0990410326.tar.xz | |
h8300: switch to generic sigaltstack
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/h8300')
| -rw-r--r-- | arch/h8300/Kconfig | 1 | ||||
| -rw-r--r-- | arch/h8300/kernel/signal.c | 15 |
2 files changed, 3 insertions, 13 deletions
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig index 2d2efb653ee0..667999e96f63 100644 --- a/arch/h8300/Kconfig +++ b/arch/h8300/Kconfig @@ -9,6 +9,7 @@ config H8300 select GENERIC_IRQ_SHOW select GENERIC_CPU_DEVICES select MODULES_USE_ELF_RELA + select GENERIC_SIGALTSTACK config SYMBOL_PREFIX string diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index 0e81b96c642f..2d37418c04fb 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -89,13 +89,6 @@ sys_sigaction(int sig, const struct old_sigaction *act, return ret; } -asmlinkage int -sys_sigaltstack(const stack_t *uss, stack_t *uoss) -{ - return do_sigaltstack(uss, uoss, rdusp()); -} - - /* * Do a signal return; undo the signal stack. * @@ -212,7 +205,7 @@ asmlinkage int do_rt_sigreturn(unsigned long __unused,...) if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &er0)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, usp) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; return er0; @@ -358,11 +351,7 @@ 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((void *)current->sas_ss_sp, - &frame->uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(rdusp()), - &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, rdusp()); err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0]); err |= copy_to_user (&frame->uc.uc_sigmask, set, sizeof(*set)); if (err) |