Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / parisc / kernel / signal.c

diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 9421bb9..05767e8 100644 (file)
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -32,7 +32,7 @@
 #include <asm/uaccess.h>
 #include <asm/pgalloc.h>
 #include <asm/cacheflush.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
 
 #ifdef CONFIG_COMPAT
 #include <linux/compat.h>
@@ -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;
@@ -318,7 +317,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
        
        if(personality(current->personality) == PER_LINUX32) {
                DBG(1,"setup_rt_frame: frame->info = 0x%p\n", &compat_frame->info);
-               err |= compat_copy_siginfo_to_user(&compat_frame->info, info);
+               err |= copy_siginfo_to_user32(&compat_frame->info, info);
                DBG(1,"SETUP_RT_FRAME: 1\n");
                compat_val = (compat_int_t)current->sas_ss_sp;
                err |= __put_user(compat_val, &compat_frame->uc.uc_stack.ss_sp);
@@ -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;
 }
 
@@ -517,13 +508,12 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
        if (!setup_rt_frame(sig, ka, info, oldset, regs, in_syscall))
                return 0;
 
-       if (!(ka->sa.sa_flags & SA_NODEFER)) {
-               spin_lock_irq(&current->sighand->siglock);
-               sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
+       spin_lock_irq(&current->sighand->siglock);
+       sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
+       if (!(ka->sa.sa_flags & SA_NODEFER))
                sigaddset(&current->blocked,sig);
-               recalc_sigpending();
-               spin_unlock_irq(&current->sighand->siglock);
-       }
+       recalc_sigpending();
+       spin_unlock_irq(&current->sighand->siglock);
        return 1;
 }
 
@@ -634,10 +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]));