diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-23 02:00:08 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-03 18:15:50 -0500 |
| commit | 47880695011964be808d3151f0f47bd6626f6f2f (patch) | |
| tree | f9f175b1932cbc70108f775b972b95b799c9441c /arch/avr32/kernel/signal.c | |
| parent | 0aa0203fb43f04714004b2c4ad33b858e240555d (diff) | |
avr32: switch to generic sigaltstack
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/avr32/kernel/signal.c')
| -rw-r--r-- | arch/avr32/kernel/signal.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c index 5e01c3a40ce..b80c0b3d2ba 100644 --- a/arch/avr32/kernel/signal.c +++ b/arch/avr32/kernel/signal.c @@ -21,12 +21,6 @@ #include <asm/ucontext.h> #include <asm/syscalls.h> -asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, - struct pt_regs *regs) -{ - return do_sigaltstack(uss, uoss, regs->sp); -} - struct rt_sigframe { struct siginfo info; @@ -91,7 +85,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->sp) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; pr_debug("Context restored: pc = %08lx, lr = %08lx, sp = %08lx\n", @@ -175,12 +169,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Set up the ucontext */ err |= __put_user(0, &frame->uc.uc_flags); err |= __put_user(NULL, &frame->uc.uc_link); - err |= __put_user((void __user *)current->sas_ss_sp, - &frame->uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(regs->sp), - &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->sp); err |= setup_sigcontext(&frame->uc.uc_mcontext, regs); err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); |