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6 Commits

Author SHA1 Message Date
Borislav Petkov
cd4d09ec6f x86/cpufeature: Carve out X86_FEATURE_* 
Move them to a separate header and have the following
dependency:

  x86/cpufeatures.h <- x86/processor.h <- x86/cpufeature.h

This makes it easier to use the header in asm code and not
include the whole cpufeature.h and add guards for asm.

Suggested-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1453842730-28463-5-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2016-01-30 11:22:17 +01:00
Ingo Molnar
df6b35f409 x86/fpu: Rename i387.h to fpu/api.h 
We already have fpu/types.h, move i387.h to fpu/api.h.

The file name has become a misnomer anyway: it offers generic FPU APIs,
but is not limited to i387 functionality.

Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2015-05-19 15:47:30 +02:00
Kees Cook
5d26a105b5 crypto: prefix module autoloading with "crypto-" 
This prefixes all crypto module loading with "crypto-" so we never run
the risk of exposing module auto-loading to userspace via a crypto API,
as demonstrated by Mathias Krause:

https://lkml.org/lkml/2013/3/4/70

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2014-11-24 22:43:57 +08:00
Herbert Xu
68411521cc Reinstate "crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework" 
This patch reinstates commits
	67822649d7
	39761214ee
	0b95a7f857
	31d939625a
	2d31e518a4

Now that module softdeps are in the kernel we can use that to resolve
the boot issue which cause the revert.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2013-09-07 12:56:26 +10:00
Herbert Xu
e70308ec0e Revert "crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework" 
This reverts commits
    67822649d7
    39761214ee
    0b95a7f857
    31d939625a
    2d31e518a4

Unfortunately this change broke boot on some systems that used an
initrd which does not include the newly created crct10dif modules.
As these modules are required by sd_mod under certain configurations
this is a serious problem.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2013-07-24 17:04:16 +10:00
Tim Chen
0b95a7f857 crypto: crct10dif - Glue code to cast accelerated CRCT10DIF assembly as a crypto transform 
Glue code that plugs the PCLMULQDQ accelerated CRC T10 DIF hash into the
crypto framework.  The config CRYPTO_CRCT10DIF_PCLMUL should be turned
on to enable the feature.  The crc_t10dif crypto library function will
use this faster algorithm when crct10dif_pclmul module is loaded.

Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2013-05-24 17:55:27 +08:00