From: Richard Weinberger <richard@nod.at>
To: Eli Cooper <elicooper@gmx.com>,
user-mode-linux-devel@lists.sourceforge.net
Cc: Jeff Dike <jdike@addtoit.com>
Subject: Re: [uml-devel] [PATCH v3 0/3] um: fix and extend FPU support
Date: Mon, 4 Apr 2016 23:42:24 +0200 [thread overview]
Message-ID: <5702DFC0.4070307@nod.at> (raw)
In-Reply-To: <1458406721-7478-1-git-send-email-elicooper@gmx.com>
Am 19.03.2016 um 17:58 schrieb Eli Cooper:
> This series first fixes a bug that results in corrupted FPU state after
> invoking signal handlers. It also adds support for the extended processor
> state (XSTATE) for x86_64 UML, especially the YMM registers used by AVX(2)
> instructions.
>
> Tested with a minimal multi-threaded FPU-intensive test program (see below).
> This series supersedes the previous sigreturn fix as that one is incorrect
> when the process is multi-threaded.
>
> Changes since v2:
> - Add an improved sigreturn fix to this series
> - Merge the ptrace changes into the last commit
> - Make the selftest program multi-threaded
>
> Changes since v1:
> - Refactor functions with oversized stack frame
> - Add a tiny selftest program to the cover letter
>
> Eli Cooper (3):
> um: fix FPU state preservation around signal handlers
> um: extend fpstate to _xstate to support YMM registers
> um: add extended processor state save/restore support
Sorry for my late response.
I'll put this now into -next and give it some testing.
Thanks a lot for fixing!
//richard
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next prev parent reply other threads:[~2016-04-04 21:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-19 16:58 [uml-devel] [PATCH v3 0/3] um: fix and extend FPU support Eli Cooper
2016-03-19 16:58 ` [uml-devel] [PATCH v3 1/3] um: fix FPU state preservation around signal handlers Eli Cooper
2016-03-19 16:58 ` [uml-devel] [PATCH v3 2/3] um: extend fpstate to _xstate to support YMM registers Eli Cooper
2016-03-19 16:58 ` [uml-devel] [PATCH v3 3/3] um: add extended processor state save/restore support Eli Cooper
2016-04-04 21:42 ` Richard Weinberger [this message]
2016-05-20 15:31 ` [uml-devel] [PATCH v3 0/3] um: fix and extend FPU support Eli Cooper
-- strict thread matches above, loose matches on Subject: below --
2016-05-20 15:48 Richard Weinberger
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