Re: Crypto Update for 4.1

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 23 April 2015 at 21:27, Bobby Powers <bobbypowers@xxxxxxxxx> wrote:
> Hello,
>
> Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>> Ok, this patch seems to fix it for me, so I undid my revert that I
>> hadn't pushed out yet, and pushed out this instead.
>
> Commit e68410ebf62676dfb93aafff7c55b76644f37072 in Linus's tree from
> this crpyto update (crypto: x86/sha512_ssse3 - move SHA-384/512 SSSE3
> implementation to base layer) causes a GPF on boot in
> sha512_ssse3_finup for me on a Broadwell i7-5600U, rendering the
> kernel unbootable.
>
> Reverting that commit enables me to boot.  I don't know enough about
> the code to comment.  Config is attached, and I can provide a photo of
> the reported Call Trace if thats helpful.  It is quite reproducible
> for me.
>

Hello Bobby,

Would you be able to check whether the following patch fixes the crash?

diff --git a/arch/x86/crypto/sha512-avx2-asm.S
b/arch/x86/crypto/sha512-avx2-asm.S
index a4771dcd1fcf..1f20b35d8573 100644
--- a/arch/x86/crypto/sha512-avx2-asm.S
+++ b/arch/x86/crypto/sha512-avx2-asm.S
@@ -79,7 +79,7 @@ NUM_BLKS    = %rdx
 c           = %rcx
 d           = %r8
 e           = %rdx
-y3          = %rdi
+y3          = %rsi

 TBL   = %rbp

If not, please share the call trace and the content of /proc/cpuinfo

Regards,
Ard.
--
To unsubscribe from this list: send the line "unsubscribe linux-crypto" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel]     [Gnu Classpath]     [Gnu Crypto]     [DM Crypt]     [Netfilter]     [Bugtraq]

  Powered by Linux