Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...

[pandora-kernel.git] / arch / sparc / kernel / signal32.c

diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 1ba95af..023b886 100644 (file)
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -273,10 +273,7 @@ void do_sigreturn32(struct pt_regs *regs)
                case 1: set.sig[0] = seta[0] + (((long)seta[1]) << 32);
        }
        sigdelsetmask(&set, ~_BLOCKABLE);
-       spin_lock_irq(&current->sighand->siglock);
-       current->blocked = set;
-       recalc_sigpending();
-       spin_unlock_irq(&current->sighand->siglock);
+       set_current_blocked(&set);
        return;
 
 segv:
@@ -377,10 +374,7 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
                case 1: set.sig[0] = seta.sig[0] + (((long)seta.sig[1]) << 32);
        }
        sigdelsetmask(&set, ~_BLOCKABLE);
-       spin_lock_irq(&current->sighand->siglock);
-       current->blocked = set;
-       recalc_sigpending();
-       spin_unlock_irq(&current->sighand->siglock);
+       set_current_blocked(&set);
        return;
 segv:
        force_sig(SIGSEGV, current);
@@ -782,6 +776,7 @@ static inline int handle_signal32(unsigned long signr, struct k_sigaction *ka,
                                  siginfo_t *info,
                                  sigset_t *oldset, struct pt_regs *regs)
 {
+       sigset_t blocked;
        int err;
 
        if (ka->sa.sa_flags & SA_SIGINFO)
@@ -792,12 +787,10 @@ static inline int handle_signal32(unsigned long signr, struct k_sigaction *ka,
        if (err)
                return err;
 
-       spin_lock_irq(&current->sighand->siglock);
-       sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
+       sigorsets(&blocked, &current->blocked, &ka->sa.sa_mask);
        if (!(ka->sa.sa_flags & SA_NOMASK))
-               sigaddset(&current->blocked,signr);
-       recalc_sigpending();
-       spin_unlock_irq(&current->sighand->siglock);
+               sigaddset(&blocked, signr);
+       set_current_blocked(&blocked);
 
        tracehook_signal_handler(signr, info, ka, regs, 0);
 
@@ -829,21 +822,23 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-void do_signal32(sigset_t *oldset, struct pt_regs * regs,
-                int restart_syscall, unsigned long orig_i0)
+void do_signal32(sigset_t *oldset, struct pt_regs * regs)
 {
        struct k_sigaction ka;
+       unsigned long orig_i0;
+       int restart_syscall;
        siginfo_t info;
        int signr;
        
        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 
-       /* If the debugger messes with the program counter, it clears
-        * the "in syscall" bit, directing us to not perform a syscall
-        * restart.
-        */
-       if (restart_syscall && !pt_regs_is_syscall(regs))
-               restart_syscall = 0;
+       restart_syscall = 0;
+       orig_i0 = 0;
+       if (pt_regs_is_syscall(regs) &&
+           (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
+               restart_syscall = 1;
+               orig_i0 = regs->u_regs[UREG_G6];
+       }
 
        if (signr > 0) {
                if (restart_syscall)
@@ -881,7 +876,7 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs,
         */
        if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-               sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+               set_current_blocked(&current->saved_sigmask);
        }
 }