Re: [PATCH v2 11/17] selftests/x86/ldt_gdt: Prepare for access bit forced

From: Andy Lutomirski
Date: Thu Dec 14 2017 - 11:21:07 EST


On Thu, Dec 14, 2017 at 3:27 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>
> In order to make the LDT mapping RO the access bit needs to be forced by
> the kernel. Adjust the test case so it handles that gracefully.

If this turns out to need reverting because it breaks Wine or
something, we're really going to regret it.