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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2014-03-27 21:14:40 +0400
committerHerbert Xu <herbert@gondor.apana.org.au>2014-04-01 13:22:47 +0400
commit8ceee72808d1ae3fb191284afc2257a2be964725 (patch)
tree30112eda2dac48ea04c9bd035dd918b82a47c2af /drivers/char
parent37b28947170ebe55cb4f689ded5857d943c6578e (diff)
downloadlinux-8ceee72808d1ae3fb191284afc2257a2be964725.tar.xz
crypto: ghash-clmulni-intel - use C implementation for setkey()
The GHASH setkey() function uses SSE registers but fails to call kernel_fpu_begin()/kernel_fpu_end(). Instead of adding these calls, and then having to deal with the restriction that they cannot be called from interrupt context, move the setkey() implementation to the C domain. Note that setkey() does not use any particular SSE features and is not expected to become a performance bottleneck. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: H. Peter Anvin <hpa@linux.intel.com> Fixes: 0e1227d356e9b (crypto: ghash - Add PCLMULQDQ accelerated implementation) Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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