From: "H.J. Lu" <hjl.tools@gmail.com>
To: Jan Beulich <jbeulich@suse.com>
Cc: Binutils <binutils@sourceware.org>
Subject: Re: [PATCH 00/10] x86: re-work ISA extension dependency handling
Date: Mon, 19 Dec 2022 18:25:26 -0800 [thread overview]
Message-ID: <CAMe9rOq0sDzkZ=LF2VU4hs-3uApUfzUcGgaR4S4EhX3T_5CGiQ@mail.gmail.com> (raw)
In-Reply-To: <973d3274-7adc-3a7c-5aaa-916fd5adc093@suse.com>
On Mon, Dec 19, 2022 at 12:31 AM Jan Beulich <jbeulich@suse.com> wrote:
>
> Getting both forward and reverse ISA dependencies right / consistent has
> been a permanent source of mistakes, myself included. Reduce what needs
> specifying manually to just the direct forward dependencies. Plus a
> number of dependencies weren't put in place at all.
>
> 01: re-work ISA extension dependency handling
> 02: correct what gets disabled by certain ".arch .no*"
> 03: correct SSE dependencies
> 04: add dependencies on AVX2
> 05: rework noavx512-1 testcase
> 06: correct dependencies of a few AVX512 sub-features
> 07: correct XSAVE* dependencies
> 08: add dependencies on VMX
> 09: add dependencies on SVME
> 10: correct/improve TSX controls
>
> Jan
If a CPUID feature, like X, implies another CPUID feature, Y,
disable X shouldn't disable Y. Will this patch set still support
this without adding CpuX to all Y instructions?
--
H.J.
next prev parent reply other threads:[~2022-12-20 2:26 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-19 8:31 Jan Beulich
2022-12-19 10:44 ` [PATCH 01/10] " Jan Beulich
2022-12-19 10:45 ` [PATCH 02/10] x86: correct what gets disabled by certain ".arch .no*" Jan Beulich
2022-12-19 10:45 ` [PATCH 03/10] x86: correct SSE dependencies Jan Beulich
2022-12-19 10:45 ` [PATCH 04/10] x86: add dependencies on AVX2 Jan Beulich
2022-12-19 10:46 ` [PATCH 05/10] x86: rework noavx512-1 testcase Jan Beulich
2022-12-19 10:46 ` [PATCH 06/10] x86: correct dependencies of a few AVX512 sub-features Jan Beulich
2022-12-19 10:47 ` [PATCH 07/10] x86: correct XSAVE* dependencies Jan Beulich
2022-12-19 10:47 ` [PATCH 08/10] x86: add dependencies on VMX Jan Beulich
2022-12-19 10:48 ` [PATCH 09/10] x86: add dependencies on SVME Jan Beulich
2022-12-19 10:48 ` [PATCH 10/10] x86: correct/improve TSX controls Jan Beulich
2022-12-20 2:25 ` H.J. Lu [this message]
2022-12-20 8:09 ` [PATCH 00/10] x86: re-work ISA extension dependency handling Jan Beulich
2022-12-19 10:35 Jan Beulich
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