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| author | Paul Mundt <lethal@linux-sh.org> | 2009-10-14 14:12:41 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-10-14 15:43:41 +0900 |
| commit | eaa47704d950d7f85b41a314a00529fb2615c10e (patch) | |
| tree | e1a337ad87d141de01bebafe99c5dab83179701c /arch/sh | |
| parent | 99222622422ac3398a846645f190109e218c743c (diff) | |
| download | linux-3.10-eaa47704d950d7f85b41a314a00529fb2615c10e.tar.gz linux-3.10-eaa47704d950d7f85b41a314a00529fb2615c10e.tar.bz2 linux-3.10-eaa47704d950d7f85b41a314a00529fb2615c10e.zip | |
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.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index 6729703547a..55d1f814e34 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; |