diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2006-10-09 00:10:01 +0900 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-10-09 23:20:48 +0100 |
| commit | e04582b7bc70b40c57287cdc24f81964ee88f565 (patch) | |
| tree | a5127c2d4165e656a84612836f6326427843acca /include/asm-mips/fpu.h | |
| parent | f5c70dd7f384db4c524c35288d9be3ed61ac41a9 (diff) | |
| download | linux-3.10-e04582b7bc70b40c57287cdc24f81964ee88f565.tar.gz linux-3.10-e04582b7bc70b40c57287cdc24f81964ee88f565.tar.bz2 linux-3.10-e04582b7bc70b40c57287cdc24f81964ee88f565.zip | |
[MIPS] Make sure cpu_has_fpu is used only in atomic context
Make sure cpu_has_fpu (which uses smp_processor_id()) is used only in
atomic context.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/fpu.h')
| -rw-r--r-- | include/asm-mips/fpu.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/asm-mips/fpu.h b/include/asm-mips/fpu.h index 58c561a9ec6..efef843b93f 100644 --- a/include/asm-mips/fpu.h +++ b/include/asm-mips/fpu.h @@ -134,9 +134,11 @@ static inline void restore_fp(struct task_struct *tsk) static inline fpureg_t *get_fpu_regs(struct task_struct *tsk) { - if (cpu_has_fpu) { - if ((tsk == current) && __is_fpu_owner()) + if (tsk == current) { + preempt_disable(); + if (is_fpu_owner()) _save_fp(current); + preempt_enable(); } return tsk->thread.fpu.fpr; |