Re: [RFC] x86_64: A real proposal for iret-less return to kernel

[H. Peter Anvin]

On 05/21/2014 02:54 PM, Borislav Petkov wrote:
> On Wed, May 21, 2014 at 02:47:03PM -0700, Andy Lutomirski wrote:
>> Is there anything actually wrong with just panicking if
>> !user_mode_vm(regs)?  That would make this a lot more sane.
> 
> It does that already - mce_severity().
> 

So this is not a problem then.

	-hpa

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