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| 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/signal32.c | |
| parent | 8243e40acb087fcd9e7609333f0b0551391f49fc (diff) | |
| download | op-kernel-dev-238468b2ac76020c192a7402c92df5097916bf4a.zip op-kernel-dev-238468b2ac76020c192a7402c92df5097916bf4a.tar.gz | |
[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/signal32.c')
| -rw-r--r-- | arch/sparc64/kernel/signal32.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c index 74e0512..43cdec6 100644 --- a/arch/sparc64/kernel/signal32.c +++ b/arch/sparc64/kernel/signal32.c @@ -982,20 +982,16 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs * mistake. */ void do_signal32(sigset_t *oldset, struct pt_regs * regs, - unsigned long orig_i0, int restart_syscall) + struct signal_deliver_cookie *cookie) { - siginfo_t info; - struct signal_deliver_cookie cookie; struct k_sigaction ka; + siginfo_t info; int signr; - cookie.restart_syscall = restart_syscall; - cookie.orig_i0 = orig_i0; - - signr = get_signal_to_deliver(&info, &ka, regs, &cookie); + signr = get_signal_to_deliver(&info, &ka, regs, cookie); if (signr > 0) { - if (cookie.restart_syscall) - syscall_restart32(orig_i0, regs, &ka.sa); + if (cookie->restart_syscall) + syscall_restart32(cookie->orig_i0, regs, &ka.sa); handle_signal32(signr, &ka, &info, oldset, regs); /* a signal was successfully delivered; the saved @@ -1007,16 +1003,16 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs, clear_thread_flag(TIF_RESTORE_SIGMASK); return; } - if (cookie.restart_syscall && + if (cookie->restart_syscall && (regs->u_regs[UREG_I0] == ERESTARTNOHAND || regs->u_regs[UREG_I0] == ERESTARTSYS || regs->u_regs[UREG_I0] == ERESTARTNOINTR)) { /* replay the system call when we are done */ - regs->u_regs[UREG_I0] = cookie.orig_i0; + regs->u_regs[UREG_I0] = cookie->orig_i0; regs->tpc -= 4; regs->tnpc -= 4; } - if (cookie.restart_syscall && + if (cookie->restart_syscall && regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) { regs->u_regs[UREG_G1] = __NR_restart_syscall; regs->tpc -= 4; |
