Merge master.kernel.org:/home/rmk/linux-2.6-serial

[pandora-kernel.git] / arch / parisc / kernel / signal.c

diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 0224651..3a25a7b 100644 (file)
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -296,7 +296,6 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
        struct rt_sigframe __user *frame;
        unsigned long rp, usp;
        unsigned long haddr, sigframe_size;
-       struct siginfo si;
        int err = 0;
 #ifdef __LP64__
        compat_int_t compat_val;
@@ -490,15 +489,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 
 give_sigsegv:
        DBG(1,"setup_rt_frame: sending SIGSEGV\n");
-       if (sig == SIGSEGV)
-               ka->sa.sa_handler = SIG_DFL;
-       si.si_signo = SIGSEGV;
-       si.si_errno = 0;
-       si.si_code = SI_KERNEL;
-       si.si_pid = current->pid;
-       si.si_uid = current->uid;
-       si.si_addr = frame;
-       force_sig_info(SIGSEGV, &si, current);
+       force_sigsegv(sig, current);
        return 0;
 }
 
@@ -633,10 +624,14 @@ do_signal(sigset_t *oldset, struct pt_regs *regs, int in_syscall)
                        put_user(0xe0008200, &usp[3]);
                        put_user(0x34140000, &usp[4]);
 
-                       /* Stack is 64-byte aligned, and we only 
-                        * need to flush 1 cache line */
-                       asm("fdc 0(%%sr3, %0)\n"
-                           "fic 0(%%sr3, %0)\n"
+                       /* Stack is 64-byte aligned, and we only need
+                        * to flush 1 cache line.
+                        * Flushing one cacheline is cheap.
+                        * "sync" on bigger (> 4 way) boxes is not.
+                        */
+                       asm("fdc %%r0(%%sr3, %0)\n"
+                           "sync\n"
+                           "fic %%r0(%%sr3, %0)\n"
                            "sync\n"
                            : : "r"(regs->gr[30]));