From: David Marchand <david.marchand@redhat.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: Konstantin Ananyev <konstantin.ananyev@huawei.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"wathsala.vithanage@arm.com" <wathsala.vithanage@arm.com>
Subject: Re: [PATCH v2] eal/x86: cache queried CPU flags
Date: Mon, 14 Oct 2024 20:29:43 +0200 [thread overview]
Message-ID: <CAJFAV8zhgKo-+y8hevE90Z-Sux0EmS=1=_eNgVXLxU1q53Npuw@mail.gmail.com> (raw)
In-Reply-To: <b629211f40ca44c7a30379fb115f15f7@huawei.com>
On Fri, Oct 11, 2024 at 3:37 PM Konstantin Ananyev
<konstantin.ananyev@huawei.com> wrote:
> > Rather than re-querying the HW each time a CPU flag is requested, we can
> > just save the return value in the flags array. This should speed up
> > repeated querying of CPU flags, and provides a workaround for a reported
> > issue where errors are seen with constant querying of the AVX-512 CPU
> > flag from a non-AVX VM.
> >
> > Bugzilla ID: 1501
> >
> > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> Acked-by: Konstantin Ananyev <konstantin.ananyev@huawei.com>
Applied, thanks Bruce.
--
David Marchand
prev parent reply other threads:[~2024-10-14 18:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-07 11:06 [PATCH] " Bruce Richardson
2024-10-07 11:23 ` David Marchand
2024-10-07 14:47 ` Wathsala Wathawana Vithanage
2024-10-07 16:29 ` Wathsala Wathawana Vithanage
2024-10-07 16:43 ` Bruce Richardson
2024-10-07 17:30 ` Wathsala Wathawana Vithanage
2024-10-11 12:42 ` Konstantin Ananyev
2024-10-11 12:48 ` Bruce Richardson
2024-10-11 13:00 ` Konstantin Ananyev
2024-10-11 13:31 ` Bruce Richardson
2024-10-11 13:33 ` [PATCH v2] " Bruce Richardson
2024-10-11 13:37 ` Konstantin Ananyev
2024-10-14 18:29 ` David Marchand [this message]
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