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crypto: create generic version of ablk_helper

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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>
This commit is contained in:
Ard Biesheuvel 2013-09-20 09:55:40 +02:00 • committed by Herbert Xu
commit a62b01cd6c
5 changed files with 200 additions and 0 deletions
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14
include/asm-generic/simd.h Normal file
View file

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#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();
}