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author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2013-09-20 09:55:40 +0200 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-09-24 06:02:24 +1000 |
commit | a62b01cd6cc1feb5e80d64d6937c291473ed82cb (patch) | |
tree | dd995ccdf562851b9d947c2ccb18afd6427f9c8e /include/asm-generic | |
parent | 714b33d15130cbb5ab426456d4e3de842d6c5b8a (diff) | |
download | linux-a62b01cd6cc1feb5e80d64d6937c291473ed82cb.tar.gz linux-a62b01cd6cc1feb5e80d64d6937c291473ed82cb.tar.bz2 linux-a62b01cd6cc1feb5e80d64d6937c291473ed82cb.zip |
crypto: create generic version of ablk_helper
Create a generic version of ablk_helper so it can be reused
by other architectures.
Acked-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/asm-generic')
-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 000000000000..f57eb7b5c23b --- /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(); +} |