diff options
| author | Takashi Iwai <tiwai@suse.de> | 2012-01-31 15:13:14 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-01-31 15:13:14 +0100 |
| commit | ea51e5040e24eefe44d70bc654a237ca1f0225b0 (patch) | |
| tree | df2e5922dcdfafae62a10d8cd97f98121064fc23 /arch/s390/kernel/compat_signal.c | |
| parent | 3422a47041b8cb8f14ac1e3926bcf711121df6dc (diff) | |
| parent | 8dbd52daee38adaae4d5a674bcca837e694a4f4c (diff) | |
Merge branch 'fix/asoc' into for-linus
Diffstat (limited to 'arch/s390/kernel/compat_signal.c')
| -rw-r--r-- | arch/s390/kernel/compat_signal.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 4f68c81d3ffa..6fe78c2f95d9 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -501,8 +501,12 @@ static int setup_frame32(int sig, struct k_sigaction *ka, /* We forgot to include these in the sigcontext. To avoid breaking binary compatibility, they are passed as args. */ - regs->gprs[4] = current->thread.trap_no; - regs->gprs[5] = current->thread.prot_addr; + if (sig == SIGSEGV || sig == SIGBUS || sig == SIGILL || + sig == SIGTRAP || sig == SIGFPE) { + /* set extra registers only for synchronous signals */ + regs->gprs[4] = regs->int_code & 127; + regs->gprs[5] = regs->int_parm_long; + } /* Place signal number on stack to allow backtrace from handler. */ if (__put_user(regs->gprs[2], (int __force __user *) &frame->signo)) @@ -544,9 +548,9 @@ static int setup_rt_frame32(int sig, struct k_sigaction *ka, siginfo_t *info, /* Set up to return from userspace. If provided, use a stub already in userspace. */ if (ka->sa.sa_flags & SA_RESTORER) { - regs->gprs[14] = (__u64) ka->sa.sa_restorer; + regs->gprs[14] = (__u64) ka->sa.sa_restorer | PSW32_ADDR_AMODE; } else { - regs->gprs[14] = (__u64) frame->retcode; + regs->gprs[14] = (__u64) frame->retcode | PSW32_ADDR_AMODE; err |= __put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn, (u16 __force __user *)(frame->retcode)); } |