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From: "Jan Beulich" <JBeulich@suse.com>
To: "Markus T Metzger" <markus.t.metzger@intel.com>,
	"Simon Marchi" <simon.marchi@polymtl.ca>
Cc: "GDB" <gdb-patches@sourceware.org>
Subject: RE: Ping: [PATCH v2] x86-64: fix ZMM register state tracking
Date: Wed, 07 Nov 2018 09:12:00 -0000	[thread overview]
Message-ID: <5BE2AC5802000078001F8F7D@prv1-mh.provo.novell.com> (raw)
In-Reply-To: <A78C989F6D9628469189715575E55B236B380E92@IRSMSX104.ger.corp.intel.com>

>>> On 07.11.18 at 10:07, <markus.t.metzger@intel.com> wrote:
>>  On 2018-10-29 06:31, Jan Beulich wrote:
>> >>>> On 10.10.18 at 17:12,  wrote:
>> >> The three AVX512 state components are entirely independent - one
>> >> being in its "init state" has no implication whatsoever on either of
>> >> the other two. Fully separate X86_XSTATE_ZMM_H and X86_XSTATE_ZMM
>> >> handling, to prevent upper halves of the upper 16 ZMM registers to
>> >> display as if they were zero (when they aren't) after e.g.
>> >> VZEROALL/VZEROUPPER.
>> >>
>> >> gdb/
>> >> 2018-10-10  Jan Beulich  <jbeulich@suse.com>
>> >>
>> >> 	* i387-tdep.c (i387_supply_xsave): Split handling of
>> >> 	X86_XSTATE_ZMM_H and X86_XSTATE_ZMM.
>> >> 	(i387_collect_xsave): Likewise.
>> >>
>> >> gdb/testsuite/
>> >> 2018-10-10  Simon Marchi <simon.marchi@polymtl.ca>
>> >>
>> >> 	* testsuite/gdb.arch/i386-avx512.c,
>> >> 	testsuite/gdb.arch/i386-avx512.exp: Add 7th test.
>> >>
>> >> ---
>> >> v2: Attach comments to zmm_endlo_regnum declarations. Add testcase
>> >>     provided by Simon.
>> 
>> The testcase obviously LGTM.  I will let Markus approve the other changes.
> 
> The code already looked good to me in v1.  Thanks for adding comments.

So can I translate this into an ack for me to commit the change?
Or else, who would be the one to give the go-ahead?

Jan


  reply	other threads:[~2018-11-07  9:12 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-05 13:23 [PATCH] " Jan Beulich
2018-09-07 23:13 ` Simon Marchi
2018-09-10  6:25   ` Jan Beulich
2018-09-10 13:01     ` Simon Marchi
2018-09-18 13:38       ` Jan Beulich
2018-09-25  3:29         ` Simon Marchi
2018-09-25 15:04           ` Jan Beulich
2018-10-02 19:20             ` Simon Marchi
2018-10-03 14:30               ` Jan Beulich
2018-10-03 14:41                 ` Simon Marchi
2018-09-11 10:34 ` Pedro Alves
2018-09-11 11:34   ` Jan Beulich
2018-09-24 17:19 ` Metzger, Markus T
2018-09-25  7:47   ` Jan Beulich
2018-10-10 15:12 ` [PATCH v2] " Jan Beulich
2018-10-29 10:31 ` Ping: " Jan Beulich
2018-10-31 14:00   ` Simon Marchi
2018-11-07  9:07     ` Metzger, Markus T
2018-11-07  9:12       ` Jan Beulich [this message]
2018-11-07 13:18         ` Metzger, Markus T
2018-11-07 13:25           ` Jan Beulich
2018-11-07 14:18             ` Simon Marchi
2018-11-08 11:16               ` Jan Beulich
2018-11-08 16:24                 ` Simon Marchi

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