[patch 1/3] crypto: padlock-aes: work around Nano CPU errata in ECB mode

2009-06-09 Thread Chuck Ebbert
From: Chuck Ebbert cebb...@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

[patch 2/3] crypto: padlock-aes: work around Nano CPU errata in CBC mode

2009-06-09 Thread Chuck Ebbert
From: Chuck Ebbert cebb...@redhat.com crypto: padlock-aes: work around Nano CPU errata in CBC mode Extend previous workarounds for the prefetch bug to cover CBC mode, clean up the code a bit. Signed-off-by: Chuck Ebbert cebb...@redhat.com --- work-2.6.29.4.orig/drivers/crypto/padlock-aes.c +++

[patch 3/3] crypto: padlock-aes: enable on 64-bit kernels

2009-06-09 Thread Chuck Ebbert
From: Sebastian Andrzej Siewior sebast...@breakpoint.cc crypto: padlock-aes: enable on 64-bit kernels The only required change now is using the right push/pop instruction on x86-64. Taken from the original patch by Sebastian Andrzej Siewior. (Added a dependency on X86.) Signed-off-by: Sebastian

Re: [patch 0/3] crypto: padlock-aes: enable on VIA Nano

2009-06-09 Thread Chuck Ebbert
On Tue, 9 Jun 2009 10:35:33 -0400 Chuck Ebbert cebb...@redhat.com wrote: The VIA Nano has a bug that makes the padlock unit fetch extra data during encryption operations. Add workarounds for that, and enable the driver on x86_64. 1/3 Fix ECB encryption mode 2/3 Fix CBC mode, clean up code

Re: [patch 0/3] crypto: padlock-aes: enable on VIA Nano

2009-06-09 Thread Sebastian Andrzej Siewior
* Chuck Ebbert | 2009-06-09 10:35:33 [-0400]: The VIA Nano has a bug that makes the padlock unit fetch extra data during encryption operations. Add workarounds for that, and enable the driver on x86_64. Nice. The X86_64 padlock will make it mainline in next merge window so I'm asking you kindly

Re: [patch 0/3] crypto: padlock-aes: enable on VIA Nano

2009-06-09 Thread Harald Welte
On Tue, Jun 09, 2009 at 10:35:33AM -0400, Chuck Ebbert wrote: The VIA Nano has a bug that makes the padlock unit fetch extra data during encryption operations. Add workarounds for that, and enable the driver on x86_64. Thanks! Where did you get the errata from, and what kind of document /