Re: [PATCH] x86_32, entry: store badsys error code in %eax

[H. Peter Anvin]

On 07/21/2014 09:53 AM, Andy Lutomirski wrote:
> On Sun, Jul 20, 2014 at 3:07 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>> This is not a subtle regression at all.  It is in fact a very very serious one.
> 
> Indeed.
> 
> Does this really work correctly on sysenter?  It sure looks like the
> sysenter path has the same problem.
> 
> Grr.  I'm not set up to properly test 32-bit kernels.  The patch looks
> correct, but I'm obviously not an infallible authority on "looking
> correct" when it comes to entry_32.S.
> 
> --Andy
> 

KVM is great for that sort of things.

	-hpa


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