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authorHuang Ying <ying.huang@intel.com>2009-06-18 19:41:27 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2009-06-18 19:41:27 +0800
commit9251b64fb2d2326d28f0e0646a9e4fb8bbb51d8e (patch)
tree2ef7e20387ee2646679c587abef236100684a7d6 /crypto
parente6efaa025384f86a18814a6b9f4e5d54484ab9ff (diff)
crypto: aes-ni - Do not sleep when using the FPU
Because AES-NI instructions will touch XMM state, corresponding code must be enclosed within kernel_fpu_begin/end, which used preempt_disable/enable. So sleep should be prevented between kernel_fpu_begin/end. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
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