Re: [PATCH v2 0/2] x86_64: Sigcontext improvements

From: Andy Lutomirski
Date: Tue Mar 10 2015 - 10:05:51 EST


Sorry, forgot to CC Oleg and Borislav. Let me know if you want me to
forward the rest of the thread to you.

On Tue, Mar 10, 2015 at 7:03 AM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> Patch 1 is IMO a bug fix.
>
> Patch 2 is a cleanup and avoids some confusion. It's also sort of an
> API break (no ABI change) because it removes a struct field. But that
> struct field has never done anything at all as far as I can tell.
>
> AFAICT this series got bogged down in discussion about patch 2 last
> time. I'm only including patch 2 for completeness here -- patch 1
> is IMO far more useful, and I'm fine with patch 1 being merged and
> tabling patch 2 again.
>
> Changes from v1:
> - Add the __USER_DS fix, caught by my sigreturn test.
> - Re-tested locally.
>
> Andy Lutomirski (2):
> x86_64,signal: Fix SS handling for signals delivered to 64-bit
> programs
> x86_64,signal: Remove 'fs' and 'gs' from sigcontext
>
> arch/x86/include/asm/sigcontext.h | 6 +++---
> arch/x86/include/uapi/asm/sigcontext.h | 6 +++---
> arch/x86/kernel/signal.c | 24 +++++++++++++-----------
> 3 files changed, 19 insertions(+), 17 deletions(-)
>
> --
> 2.3.0
>



--
Andy Lutomirski
AMA Capital Management, LLC
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