From: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
To: Chuck Ebbert <cebbert@redhat.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
Harald Welte <HaraldWelte@viatech.com>,
linux-kernel@vger.kernel.org
Subject: Re: [patch 1/2] crypto: padlock-aes: work around Nano CPU errata in ECB mode
Date: Sun, 14 Jun 2009 22:49:29 +0200 [thread overview]
Message-ID: <20090614204929.GA590@Chamillionaire.breakpoint.cc> (raw)
In-Reply-To: <20090610151122.2fcac7d9@dhcp-100-2-144.bos.redhat.com>
* Chuck Ebbert | 2009-06-10 15:11:22 [-0400]:
>From: Chuck Ebbert <cebbert@redhat.com>
>crypto: padlock-aes: work around Nano CPU errata in ECB mode
>
>The VIA Nano processor has a bug that makes it prefetch extra data
>during encryption operations, causing spurious page faults. Extend
>existing workarounds for ECB mode to copy the data to an temporary
>buffer to avoid the problem.
>
>Acked-by: HaraldWelte <HaraldWelte@viatech.com>
>Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
>---
>Against cryptodev.git as requested.
thx for the rebase. Those two patches are a nice cleanup of the ifdef
mess I've made earlier.
Sebastian
next prev parent reply other threads:[~2009-06-14 20:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-10 19:11 Chuck Ebbert
2009-06-10 19:12 ` [patch 2/2] crypto: padlock-aes: work around Nano CPU errata in CBC mode Chuck Ebbert
2009-06-14 20:49 ` Sebastian Andrzej Siewior [this message]
2009-06-18 9:23 ` [patch 1/2] crypto: padlock-aes: work around Nano CPU errata in ECB mode Harald Welte
2009-06-18 9:32 ` Herbert Xu
2009-06-18 11:35 ` Herbert Xu
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