1 files changed, 25 insertions, 22 deletions

diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index a67c18555ed3..7ca2a078841f 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -31,6 +31,7 @@
 
 #include <asm/asm.h>
 #include <asm/cacheflush.h>
+#include <asm/compat-signal.h>
 #include <asm/sim.h>
 #include <asm/uaccess.h>
 #include <asm/ucontext.h>
@@ -47,9 +48,9 @@
 #define __NR_N32_rt_sigreturn           6211
 #define __NR_N32_restart_syscall        6214
 
-#define DEBUG_SIG 0
+extern int setup_sigcontext(struct pt_regs *, struct sigcontext __user *);
+extern int restore_sigcontext(struct pt_regs *, struct sigcontext __user *);
 
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
 /* IRIX compatible stack_t  */
 typedef struct sigaltstack32 {
@@ -63,28 +64,33 @@ struct ucontextn32 {
         s32                 uc_link;
         stack32_t           uc_stack;
         struct sigcontext   uc_mcontext;
-        sigset_t            uc_sigmask;   /* mask last for extensibility */
+        compat_sigset_t     uc_sigmask;   /* mask last for extensibility */
 };
 
+#if ICACHE_REFILLS_WORKAROUND_WAR == 0
+
 struct rt_sigframe_n32 {
         u32 rs_ass[4];                  /* argument save space for o32 */
-#if ICACHE_REFILLS_WORKAROUND_WAR
-        u32 rs_pad[2];
-#else
         u32 rs_code[2];                 /* signal trampoline */
-#endif
         struct siginfo rs_info;
         struct ucontextn32 rs_uc;
-#if ICACHE_REFILLS_WORKAROUND_WAR
+};
+
+#else  /* ICACHE_REFILLS_WORKAROUND_WAR */
+
+struct rt_sigframe_n32 {
+        u32 rs_ass[4];                  /* argument save space for o32 */
+        u32 rs_pad[2];
+        struct siginfo rs_info;
+        struct ucontextn32 rs_uc;
         u32 rs_code[8] ____cacheline_aligned;           /* signal trampoline */
-#endif
 };
 
+#endif  /* !ICACHE_REFILLS_WORKAROUND_WAR */
+
 extern void sigset_from_compat (sigset_t *set, compat_sigset_t *compat);
 
-save_static_function(sysn32_rt_sigsuspend);
-__attribute_used__ noinline static int
-_sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
+asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
 {
         compat_sigset_t __user *unewset;
         compat_sigset_t uset;
@@ -105,7 +111,7 @@ _sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
         spin_lock_irq(&current->sighand->siglock);
         current->saved_sigmask = current->blocked;
         current->blocked = newset;
-        recalc_sigpending();
+        recalc_sigpending();
         spin_unlock_irq(&current->sighand->siglock);
 
         current->state = TASK_INTERRUPTIBLE;
@@ -114,9 +120,7 @@ _sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
         return -ERESTARTNOHAND;
 }
 
-save_static_function(sysn32_rt_sigreturn);
-__attribute_used__ noinline static void
-_sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
+asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
 {
         struct rt_sigframe_n32 __user *frame;
         sigset_t set;
@@ -126,7 +130,7 @@ _sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
         frame = (struct rt_sigframe_n32 __user *) regs.regs[29];
         if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                 goto badframe;
-        if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))
+        if (__copy_conv_sigset_from_user(&set, &frame->rs_uc.uc_sigmask))
                 goto badframe;
 
         sigdelsetmask(&set, ~_BLOCKABLE);
@@ -184,7 +188,7 @@ int setup_rt_frame_n32(struct k_sigaction * ka,
         /* Create the ucontext.  */
         err |= __put_user(0, &frame->rs_uc.uc_flags);
         err |= __put_user(0, &frame->rs_uc.uc_link);
-        sp = (int) (long) current->sas_ss_sp;
+        sp = (int) (long) current->sas_ss_sp;
         err |= __put_user(sp,
                           &frame->rs_uc.uc_stack.ss_sp);
         err |= __put_user(sas_ss_flags(regs->regs[29]),
@@ -192,7 +196,7 @@ int setup_rt_frame_n32(struct k_sigaction * ka,
         err |= __put_user(current->sas_ss_size,
                           &frame->rs_uc.uc_stack.ss_size);
         err |= setup_sigcontext(regs, &frame->rs_uc.uc_mcontext);
-        err |= __copy_to_user(&frame->rs_uc.uc_sigmask, set, sizeof(*set));
+        err |= __copy_conv_sigset_to_user(&frame->rs_uc.uc_sigmask, set);
 
         if (err)
                 goto give_sigsegv;
@@ -214,11 +218,10 @@ int setup_rt_frame_n32(struct k_sigaction * ka,
         regs->regs[31] = (unsigned long) frame->rs_code;
         regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
 
-#if DEBUG_SIG
-        printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n",
+        DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
                current->comm, current->pid,
                frame, regs->cp0_epc, regs->regs[31]);
-#endif
+
         return 0;
 
 give_sigsegv: