powerpc: Fix clearing of the FPSCR when invoking a signal handler

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / signal_32.c

diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 8bdf95b7e4203ecc8df88853b419fc6a5260651d..5a2eba60dd390c939f9532f9f3384469d8b40fa5 100644 (file)
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -403,8 +403,6 @@ static int save_user_regs(struct pt_regs *regs, struct mcontext __user *frame,
                    ELF_NFPREG * sizeof(double)))
                return 1;
 
-       current->thread.fpscr.val = 0;  /* turn off all fp exceptions */
-
 #ifdef CONFIG_ALTIVEC
        /* save altivec registers */
        if (current->thread.used_vr) {
@@ -818,6 +816,9 @@ static int handle_rt_signal(unsigned long sig, struct k_sigaction *ka,
                        goto badframe;
                regs->link = (unsigned long) frame->tramp;
        }
+
+       current->thread.fpscr.val = 0;  /* turn off all fp exceptions */
+
        if (put_user(regs->gpr[1], (u32 __user *)newsp))
                goto badframe;
        regs->gpr[1] = newsp;
@@ -1097,6 +1098,8 @@ static int handle_signal(unsigned long sig, struct k_sigaction *ka,
                regs->link = (unsigned long) frame->mctx.tramp;
        }
 
+       current->thread.fpscr.val = 0;  /* turn off all fp exceptions */
+
        if (put_user(regs->gpr[1], (u32 __user *)newsp))
                goto badframe;
        regs->gpr[1] = newsp;