powerpc: Remove UP only lazy floating point and vector optimisations

[cascardo/linux.git] / arch / powerpc / kernel / signal_32.c

diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 0dbee46..3cd7a32 100644 (file)
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -687,15 +687,6 @@ static long restore_user_regs(struct pt_regs *regs,
        if (sig)
                regs->msr = (regs->msr & ~MSR_LE) | (msr & MSR_LE);
 
-       /*
-        * Do this before updating the thread state in
-        * current->thread.fpr/vr/evr.  That way, if we get preempted
-        * and another task grabs the FPU/Altivec/SPE, it won't be
-        * tempted to save the current CPU state into the thread_struct
-        * and corrupt what we are writing there.
-        */
-       discard_lazy_cpu_state();
-
 #ifdef CONFIG_ALTIVEC
        /*
         * Force the process to reload the altivec registers from
@@ -798,15 +789,6 @@ static long restore_tm_user_regs(struct pt_regs *regs,
        /* Restore the previous little-endian mode */
        regs->msr = (regs->msr & ~MSR_LE) | (msr & MSR_LE);
 
-       /*
-        * Do this before updating the thread state in
-        * current->thread.fpr/vr/evr.  That way, if we get preempted
-        * and another task grabs the FPU/Altivec/SPE, it won't be
-        * tempted to save the current CPU state into the thread_struct
-        * and corrupt what we are writing there.
-        */
-       discard_lazy_cpu_state();
-
 #ifdef CONFIG_ALTIVEC
        regs->msr &= ~MSR_VEC;
        if (msr & MSR_VEC) {