Commit eaa47704 authored by Paul Mundt's avatar Paul Mundt

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: default avatarPaul Mundt <lethal@linux-sh.org>
parent 99222622
...@@ -145,7 +145,7 @@ static inline int restore_sigcontext_fpu(struct sigcontext __user *sc) ...@@ -145,7 +145,7 @@ static inline int restore_sigcontext_fpu(struct sigcontext __user *sc)
{ {
struct task_struct *tsk = current; struct task_struct *tsk = current;
if (!(current_cpu_data.flags & CPU_HAS_FPU)) if (!(boot_cpu_data.flags & CPU_HAS_FPU))
return 0; return 0;
set_used_math(); set_used_math();
...@@ -158,7 +158,7 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc, ...@@ -158,7 +158,7 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc,
{ {
struct task_struct *tsk = current; struct task_struct *tsk = current;
if (!(current_cpu_data.flags & CPU_HAS_FPU)) if (!(boot_cpu_data.flags & CPU_HAS_FPU))
return 0; return 0;
if (!used_math()) { if (!used_math()) {
...@@ -199,7 +199,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p ...@@ -199,7 +199,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p
#undef COPY #undef COPY
#ifdef CONFIG_SH_FPU #ifdef CONFIG_SH_FPU
if (current_cpu_data.flags & CPU_HAS_FPU) { if (boot_cpu_data.flags & CPU_HAS_FPU) {
int owned_fp; int owned_fp;
struct task_struct *tsk = current; struct task_struct *tsk = current;
......
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