diff options
| author | Mark Brown <broonie@linaro.org> | 2013-12-02 13:37:41 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-12-02 13:37:41 +0000 |
| commit | e80b89ee2ace3a959c44c834231851fc5242eb13 (patch) | |
| tree | ec8cd7a9cd05002261fbfda9b4ea4f66d1e04f7b /include/asm-generic/simd.h | |
| parent | 85cfe6b64d785b170367322d9d130a530db7b276 (diff) | |
| parent | dc1ccc48159d63eca5089e507c82c7d22ef60839 (diff) | |
Merge tag 'v3.13-rc2' into spi-rcar
Linux 3.13-rc2
Diffstat (limited to 'include/asm-generic/simd.h')
| -rw-r--r-- | include/asm-generic/simd.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-generic/simd.h b/include/asm-generic/simd.h new file mode 100644 index 00000000000..f57eb7b5c23 --- /dev/null +++ b/include/asm-generic/simd.h @@ -0,0 +1,14 @@ + +#include <linux/hardirq.h> + +/* + * may_use_simd - whether it is allowable at this time to issue SIMD + * instructions or access the SIMD register file + * + * As architectures typically don't preserve the SIMD register file when + * taking an interrupt, !in_interrupt() should be a reasonable default. + */ +static __must_check inline bool may_use_simd(void) +{ + return !in_interrupt(); +} |