Re: Kernel oops with 2.6.26, padlock and ipsec: probably problem with fpu state changes

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To: Suresh Siddha <suresh.b.siddha@...>
Cc: H. Peter Anvin <hpa@...>, Wolfgang Walter <wolfgang.walter@...>, netdev@vger.kernel.org <netdev@...>, linux-kernel@vger.kernel.org <linux-kernel@...>, Ingo Molnar <mingo@...>, viro@ZenIV.linux.org.uk <viro@...>, vegard.nossum@gmail.com <vegard.nossum@...>
Date: Friday, August 8, 2008 - 9:23 pm

On Sat, Aug 09, 2008 at 08:38:30AM +0800, Herbert Xu wrote:

Actually the patch is totally unacceptable as it is.  Disabling
preemption around padlock crypto operations is going to make the
latency for RT go through the roof.  Please find a solution that
doesn't involve that or just back out the FPU changes.

Cheers,
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Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
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Re: Kernel oops with 2.6.26, padlock and ipsec: probably pro..., Herbert Xu, (Fri Aug 8, 9:23 pm)