Re: [RFC/PATCH v2 02/10] x86_64: add KASan support

[Sasha Levin]

On 09/11/2014 07:51 AM, Andrey Ryabinin wrote:
> On 09/11/2014 08:29 AM, Sasha Levin wrote:
>> > On 09/11/2014 12:26 AM, H. Peter Anvin wrote:
>>> >> Except you just broke PVop kernels.
>> > 
>> > So is this why v2 refuses to boot on my KVM guest? (was digging
>> > into that before I send a mail out).
>> > 
> Maybe this will help?
> 
> 
> From: Andrey Ryabinin <a.ryabinin@xxxxxxxxxxx>
> Subject: [PATCH] x86_64: kasan: fix kernel boot with CONFIG_DEBUG_VIRTUAL=y
> 
> Use __pa_nodebug instead of __pa before shadow initialized.
> __pa with CONFIG_DEBUG_VIRTUAL=y may result in __asan_load
> call before shadow area initialized.

Woops, I got sidetracked and forgot to reply. Yes, this patch fixed
the issue, KASan is running properly now.


Thanks,
Sasha
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