From: Dave Hansen <dave.hansen@intel.com>
To: Chao Gao <chao.gao@intel.com>,
tglx@linutronix.de, x86@kernel.org, seanjc@google.com,
pbonzini@redhat.com, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org
Cc: peterz@infradead.org, rick.p.edgecombe@intel.com,
weijiang.yang@intel.com, john.allen@amd.com, bp@alien8.de,
Maxim Levitsky <mlevitsk@redhat.com>
Subject: Re: [PATCH v3 05/10] x86/fpu/xstate: Introduce guest FPU configuration
Date: Fri, 7 Mar 2025 10:06:56 -0800 [thread overview]
Message-ID: <cde2e31a-af2b-4236-a5b7-e1119c62b4a5@intel.com> (raw)
In-Reply-To: <20250307164123.1613414-6-chao.gao@intel.com>
On 3/7/25 08:41, Chao Gao wrote:
> + fpu_guest_cfg.max_features = fpu_kernel_cfg.max_features;
> + fpu_guest_cfg.default_features = fpu_guest_cfg.max_features;
> + fpu_guest_cfg.default_features &= ~XFEATURE_MASK_USER_DYNAMIC;
Is just copying and pasting the 'fpu_kernel_cfg' initialization really
the best way to explain what's going on?
Let's say you just did:
fpu_guest_cfg = fpu_kernel_cfg;
?
That would explicitly tell the reader that they're equal.
next prev parent reply other threads:[~2025-03-07 18:06 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-07 16:41 [PATCH v3 00/10] Introduce CET supervisor state support Chao Gao
2025-03-07 16:41 ` [PATCH v3 01/10] x86/fpu/xstate: Always preserve non-user xfeatures/flags in __state_perm Chao Gao
2025-03-07 16:41 ` [PATCH v3 02/10] x86/fpu/xstate: Drop @perm from guest pseudo FPU container Chao Gao
2025-03-07 16:41 ` [PATCH v3 03/10] x86/fpu/xstate: Correct xfeatures cache in guest pseudo fpu container Chao Gao
2025-03-07 17:48 ` Dave Hansen
2025-03-08 2:44 ` Chao Gao
2025-03-07 16:41 ` [PATCH v3 04/10] x86/fpu/xstate: Correct guest fpstate size calculation Chao Gao
2025-03-07 17:53 ` Dave Hansen
2025-03-08 2:56 ` Chao Gao
2025-03-07 21:37 ` Chang S. Bae
2025-03-08 2:49 ` Chao Gao
2025-03-09 22:06 ` Chang S. Bae
2025-03-10 1:33 ` Chao Gao
2025-03-10 5:21 ` Chang S. Bae
2025-03-10 7:06 ` Chao Gao
2025-03-10 17:33 ` Chang S. Bae
2025-03-11 12:09 ` Chao Gao
2025-03-12 1:03 ` Chang S. Bae
2025-03-07 16:41 ` [PATCH v3 05/10] x86/fpu/xstate: Introduce guest FPU configuration Chao Gao
2025-03-07 18:06 ` Dave Hansen [this message]
2025-03-08 3:00 ` Chao Gao
2025-03-07 16:41 ` [PATCH v3 06/10] x86/fpu/xstate: Initialize guest perm with fpu_guest_cfg Chao Gao
2025-03-07 18:14 ` Dave Hansen
2025-03-08 3:14 ` Chao Gao
2025-03-07 16:41 ` [PATCH v3 07/10] x86/fpu/xstate: Initialize guest fpstate with fpu_guest_config Chao Gao
2025-03-07 18:41 ` Dave Hansen
2025-03-08 3:38 ` Chao Gao
2025-03-07 16:41 ` [PATCH v3 08/10] x86/fpu/xstate: Add CET supervisor xfeature support Chao Gao
2025-03-07 18:39 ` Dave Hansen
2025-03-08 3:24 ` Chao Gao
2025-03-07 16:41 ` [PATCH v3 09/10] x86/fpu/xstate: Introduce XFEATURE_MASK_KERNEL_DYNAMIC xfeature set Chao Gao
2025-03-09 22:06 ` Chang S. Bae
2025-03-10 3:49 ` Chao Gao
2025-03-10 5:20 ` Chang S. Bae
2025-03-10 5:53 ` Chao Gao
2025-03-11 12:27 ` Chao Gao
2025-03-12 1:03 ` Chang S. Bae
2025-03-07 16:41 ` [PATCH v3 10/10] x86/fpu/xstate: Warn if CET supervisor state is detected in normal fpstate Chao Gao
2025-03-07 19:09 ` [PATCH v3 00/10] Introduce CET supervisor state support Dave Hansen
2025-03-18 15:24 ` Chao Gao
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=cde2e31a-af2b-4236-a5b7-e1119c62b4a5@intel.com \
--to=dave.hansen@intel.com \
--cc=bp@alien8.de \
--cc=chao.gao@intel.com \
--cc=john.allen@amd.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mlevitsk@redhat.com \
--cc=pbonzini@redhat.com \
--cc=peterz@infradead.org \
--cc=rick.p.edgecombe@intel.com \
--cc=seanjc@google.com \
--cc=tglx@linutronix.de \
--cc=weijiang.yang@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