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authorPaul Mundt <lethal@linux-sh.org>2009-10-14 14:12:41 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-10-14 15:43:41 +0900
commiteaa47704d950d7f85b41a314a00529fb2615c10e (patch)
treee1a337ad87d141de01bebafe99c5dab83179701c /arch/sh
parent99222622422ac3398a846645f190109e218c743c (diff)
downloadop-kernel-dev-eaa47704d950d7f85b41a314a00529fb2615c10e.zip
op-kernel-dev-eaa47704d950d7f85b41a314a00529fb2615c10e.tar.gz
sh: Use boot_cpu_data for FPU tests in sigcontext paths.
We do not want to use smp_processor_id() from these paths, as they trip preempt BUGs. Switch the test over to the boot cpu directly. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/kernel/signal_32.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 6729703..55d1f81 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -145,7 +145,7 @@ static inline int restore_sigcontext_fpu(struct sigcontext __user *sc)
{
struct task_struct *tsk = current;
- if (!(current_cpu_data.flags & CPU_HAS_FPU))
+ if (!(boot_cpu_data.flags & CPU_HAS_FPU))
return 0;
set_used_math();
@@ -158,7 +158,7 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc,
{
struct task_struct *tsk = current;
- if (!(current_cpu_data.flags & CPU_HAS_FPU))
+ if (!(boot_cpu_data.flags & CPU_HAS_FPU))
return 0;
if (!used_math()) {
@@ -199,7 +199,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p
#undef COPY
#ifdef CONFIG_SH_FPU
- if (current_cpu_data.flags & CPU_HAS_FPU) {
+ if (boot_cpu_data.flags & CPU_HAS_FPU) {
int owned_fp;
struct task_struct *tsk = current;
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