diff options
| author | David S. Miller <davem@davemloft.net> | 2008-04-24 03:01:48 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-04-24 03:01:48 -0700 |
| commit | 238468b2ac76020c192a7402c92df5097916bf4a (patch) | |
| tree | a951be34bc3a1d2d3a7d6de98c2100e4296e7bd9 /arch/sparc64/kernel/signal.c | |
| parent | 8243e40acb087fcd9e7609333f0b0551391f49fc (diff) | |
[SPARC64]: Use trap type stored in pt_regs to handle syscall restart.
Now that we can check the trap type directly, we don't need the
funny restart_syscall indication from the trap return paths.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/signal.c')
| -rw-r--r-- | arch/sparc64/kernel/signal.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c index 1c47009eb5e..b959597201e 100644 --- a/arch/sparc64/kernel/signal.c +++ b/arch/sparc64/kernel/signal.c @@ -510,15 +510,20 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs, * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -static void do_signal(struct pt_regs *regs, unsigned long orig_i0, int restart_syscall) +static void do_signal(struct pt_regs *regs, unsigned long orig_i0) { - siginfo_t info; struct signal_deliver_cookie cookie; struct k_sigaction ka; - int signr; sigset_t *oldset; + siginfo_t info; + int signr, tt; - cookie.restart_syscall = restart_syscall; + tt = regs->magic & 0x1ff; + if (tt == 0x110 || tt == 0x111 || tt == 0x16d) { + regs->magic &= ~0x1ff; + cookie.restart_syscall = 1; + } else + cookie.restart_syscall = 0; cookie.orig_i0 = orig_i0; if (test_thread_flag(TIF_RESTORE_SIGMASK)) @@ -529,9 +534,8 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0, int restart_s #ifdef CONFIG_SPARC32_COMPAT if (test_thread_flag(TIF_32BIT)) { extern void do_signal32(sigset_t *, struct pt_regs *, - unsigned long, int); - do_signal32(oldset, regs, orig_i0, - cookie.restart_syscall); + struct signal_deliver_cookie *); + do_signal32(oldset, regs, &cookie); return; } #endif @@ -539,7 +543,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0, int restart_s signr = get_signal_to_deliver(&info, &ka, regs, &cookie); if (signr > 0) { if (cookie.restart_syscall) - syscall_restart(orig_i0, regs, &ka.sa); + syscall_restart(cookie.orig_i0, regs, &ka.sa); handle_signal(signr, &ka, &info, oldset, regs); /* a signal was successfully delivered; the saved @@ -580,7 +584,7 @@ void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, int restart_s unsigned long thread_info_flags) { if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) - do_signal(regs, orig_i0, restart_syscall); + do_signal(regs, orig_i0); } void ptrace_signal_deliver(struct pt_regs *regs, void *cookie) |