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

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On 09/11/2014 08:46 AM, Andi Kleen wrote:
> On Wed, Sep 10, 2014 at 09:33:11PM -0700, H. Peter Anvin wrote:
>> On 09/10/2014 09:29 PM, 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).
>>>
>>
>> No, KVM should be fine.  It is Xen PV which ends up as a smoldering crater.
> 
> Just exclude it in Kconfig? I assume PV will eventually go away anyways.
> 
> -Andi
> 

That's done already in this patch:

--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -135,6 +135,7 @@ config X86
 	select HAVE_ACPI_APEI if ACPI
 	select HAVE_ACPI_APEI_NMI if ACPI
 	select ACPI_LEGACY_TABLES_LOOKUP if ACPI
+	select HAVE_ARCH_KASAN if X86_64 && !XEN

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