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Date: Wed, 10 Sep 2014 15:45:26 -0700
From: Dave Hansen <dave.hansen@intel.com>
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To: Andrey Ryabinin <ryabinin.a.a@gmail.com>
CC: Andrey Ryabinin <a.ryabinin@samsung.com>,
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Subject: Re: [RFC/PATCH v2 02/10] x86_64: add KASan support
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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.