Re: [PATCH 0/3] MIPS executable stack protection

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To: Leonid Yegoshin <Leonid.Yegoshin@xxxxxxxxxx>
Subject: Re: [PATCH 0/3] MIPS executable stack protection
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Sat, 4 Oct 2014 10:23:07 +0200
Cc: linux-mips@xxxxxxxxxxxxxx, Zubair.Kakakhel@xxxxxxxxxx, david.daney@xxxxxxxxxx, paul.gortmaker@xxxxxxxxxxxxx, davidlohr@xxxxxx, macro@xxxxxxxxxxxxxx, chenhc@xxxxxxxxxx, zajec5@xxxxxxxxx, james.hogan@xxxxxxxxxx, keescook@xxxxxxxxxxxx, alex@xxxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, blogic@xxxxxxxxxxx, jchandra@xxxxxxxxxxxx, paul.burton@xxxxxxxxxx, qais.yousef@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, ralf@xxxxxxxxxxxxxx, markos.chandras@xxxxxxxxxx, manuel.lauss@xxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, lars.persson@xxxxxxxx
In-reply-to: <20141004030438.28569.85536.stgit@linux-yegoshin>
User-agent: Mutt/1.5.22.1 (2013-10-16)

On Fri, Oct 03, 2014 at 08:17:14PM -0700, Leonid Yegoshin wrote:
> The following series implements an executable stack protection in MIPS.
> 
> It sets up a per-thread 'VDSO' page and appropriate TLB support.

So traditionally we've always avoided per-thread pages like that. What
makes it worth it on MIPS?

Follow-Ups:
- Re: [PATCH 0/3] MIPS executable stack protection
  - From: Linus Torvalds

References:
- [PATCH 0/3] MIPS executable stack protection
  - From: Leonid Yegoshin

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