From: Thomas Gleixner <tglx@linutronix.de>
To: Dave Hansen <dave.hansen@intel.com>,
"Chang S. Bae" <chang.seok.bae@intel.com>,
linux-kernel@vger.kernel.org
Cc: x86@kernel.org, platform-driver-x86@vger.kernel.org,
mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
hdegoede@redhat.com, ilpo.jarvinen@linux.intel.com,
tony.luck@intel.com, ashok.raj@intel.com, jithu.joseph@intel.com
Subject: Re: [PATCH v2 1/2] x86/fpu: Extend kernel_fpu_begin_mask() to initialize AMX state
Date: Fri, 10 May 2024 09:51:03 +0200 [thread overview]
Message-ID: <875xvmnlzs.ffs@tglx> (raw)
In-Reply-To: <fde6149c-7ddf-488f-98c0-04f336b7092e@intel.com>
On Thu, May 09 2024 at 10:36, Dave Hansen wrote:
> Three lines of code:
>
> 1. IFS declares its need to own the FPU for a moment, like any
> other kernel_fpu_begin() user. It's not a special snowflake.
> It is boring.
> 2. IFS zaps the FPU state
> 3. IFS gives up the FPU
>
> Am I out of my mind? What am I missing? Why bother with _anything_
> more complicated than this?
Right. Keep it simple :)
next prev parent reply other threads:[~2024-05-10 7:51 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-30 21:25 [PATCH 0/2] x86/fpu: Extend kernel_fpu_begin_mask() for the In-Field Scan driver Chang S. Bae
2024-04-30 21:25 ` [PATCH 1/2] x86/fpu: Extend kernel_fpu_begin_mask() to initialize AMX state Chang S. Bae
2024-04-30 23:42 ` Ashok Raj
2024-04-30 21:25 ` [PATCH 2/2] platform/x86/intel/ifs: Initialize AMX state for the scan test Chang S. Bae
2024-05-01 0:06 ` Ashok Raj
2024-05-01 8:58 ` Hans de Goede
2024-05-08 0:22 ` Chang S. Bae
2024-05-02 11:00 ` Ilpo Järvinen
2024-05-02 22:19 ` Chang S. Bae
2024-05-09 0:45 ` Kuppuswamy Sathyanarayanan
2024-05-02 20:52 ` [PATCH 0/2] x86/fpu: Extend kernel_fpu_begin_mask() for the In-Field Scan driver Chang S. Bae
2024-05-02 21:35 ` Chang S. Bae
2024-05-02 20:59 ` Dave Hansen
2024-05-07 23:53 ` [PATCH v2 " Chang S. Bae
2024-05-07 23:53 ` [PATCH v2 1/2] x86/fpu: Extend kernel_fpu_begin_mask() to initialize AMX state Chang S. Bae
2024-05-08 13:00 ` Thomas Gleixner
2024-05-08 14:40 ` Dave Hansen
2024-05-08 18:03 ` Chang S. Bae
2024-05-08 19:11 ` Dave Hansen
2024-05-09 0:29 ` Chang S. Bae
2024-05-09 17:36 ` Dave Hansen
2024-05-09 17:41 ` Dave Hansen
2024-05-09 18:41 ` Chang S. Bae
2024-05-09 18:50 ` Dave Hansen
2024-05-10 7:51 ` Thomas Gleixner [this message]
2024-05-07 23:53 ` [PATCH v2 2/2] platform/x86/intel/ifs: Initialize AMX state for the scan test Chang S. Bae
2024-05-08 0:19 ` Ashok Raj
2024-05-08 0:21 ` Chang S. Bae
2024-05-08 8:28 ` [PATCH v2 0/2] x86/fpu: Extend kernel_fpu_begin_mask() for the In-Field Scan driver Ilpo Järvinen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=875xvmnlzs.ffs@tglx \
--to=tglx@linutronix.de \
--cc=ashok.raj@intel.com \
--cc=bp@alien8.de \
--cc=chang.seok.bae@intel.com \
--cc=dave.hansen@intel.com \
--cc=dave.hansen@linux.intel.com \
--cc=hdegoede@redhat.com \
--cc=ilpo.jarvinen@linux.intel.com \
--cc=jithu.joseph@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=platform-driver-x86@vger.kernel.org \
--cc=tony.luck@intel.com \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox