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

From: H. Peter Anvin
Date: Thu Sep 11 2014 - 00:27:27 EST


Except you just broke PVop kernels.

Sent from my tablet, pardon any formatting problems.

> On Sep 10, 2014, at 15:45, Dave Hansen <dave.hansen@xxxxxxxxx> wrote:
>
>> On 09/10/2014 01:30 PM, Andrey Ryabinin wrote:
>> Yes, there is a reason for this. For inline instrumentation we need to
>> catch access to userspace without any additional check.
>> This means that we need shadow of 1 << 61 bytes and we don't have so
>> many addresses available.
>
> That sounds reasonable.
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