From: Sean Christopherson <seanjc@google.com>
To: Chao Gao <chao.gao@intel.com>
Cc: bp@alien8.de, chang.seok.bae@intel.com, dave.hansen@intel.com,
dave.hansen@linux.intel.com, ebiggers@google.com, hpa@zytor.com,
john.allen@amd.com, kees@kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, mingo@redhat.com, oleg@redhat.com,
pbonzini@redhat.com, peterz@infradead.org,
rick.p.edgecombe@intel.com, stanspas@amazon.de,
tglx@linutronix.de, weijiang.yang@intel.com, x86@kernel.org,
xin3.li@intel.com
Subject: Re: [PATCH v6a 6/8] x86/fpu: Remove xfd argument from __fpstate_reset()
Date: Fri, 9 May 2025 11:29:28 -0700 [thread overview]
Message-ID: <aB5JiE6LupZhmqJ7@google.com> (raw)
In-Reply-To: <20250509081615.248896-1-chao.gao@intel.com>
On Fri, May 09, 2025, Chao Gao wrote:
> The initial values for fpstate::xfd differ between guest and host fpstates.
> Currently, the initial values are passed as an argument to
> __fpstate_reset(). But, __fpstate_reset() already assigns different default
> features and sizes based on the type of fpstates (i.e., guest or host). So,
> handle fpstate::xfd in a similar way to highlight the differences in the
> initial xfd value between guest and host fpstates
>
> Suggested-by: Sean Christopherson <seanjc@google.com>
> Signed-off-by: Chao Gao <chao.gao@intel.com>
> Link: https://lore.kernel.org/all/aBuf7wiiDT0Wflhk@google.com/
> ---
> v6a: new.
>
> Note: this quick revision is just intended to ensure that the feedback
> has been properly addressed.
Both patches LGTM.
next prev parent reply other threads:[~2025-05-09 18:29 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-06 9:36 [PATCH v6 0/7] Introduce CET supervisor state support Chao Gao
2025-05-06 9:36 ` [PATCH v6 1/7] x86/fpu/xstate: Always preserve non-user xfeatures/flags in __state_perm Chao Gao
2025-05-06 9:51 ` [tip: x86/fpu] " tip-bot2 for Sean Christopherson
2025-05-06 9:36 ` [PATCH v6 2/7] x86/fpu: Drop @perm from guest pseudo FPU container Chao Gao
2025-05-06 10:00 ` [tip: x86/fpu] " tip-bot2 for Chao Gao
2025-05-06 9:36 ` [PATCH v6 3/7] x86/fpu/xstate: Differentiate default features for host and guest FPUs Chao Gao
2025-05-08 20:02 ` Edgecombe, Rick P
2025-05-06 9:36 ` [PATCH v6 4/7] x86/fpu: Initialize guest FPU permissions from guest defaults Chao Gao
2025-05-06 9:36 ` [PATCH v6 5/7] x86/fpu: Initialize guest fpstate and FPU pseudo container " Chao Gao
2025-05-06 17:24 ` Sean Christopherson
2025-05-07 7:37 ` Chao Gao
2025-05-07 18:01 ` Sean Christopherson
2025-05-07 18:04 ` Dave Hansen
2025-05-09 8:14 ` [PATCH v6a 5/8] " Chao Gao
2025-05-09 8:16 ` [PATCH v6a 6/8] x86/fpu: Remove xfd argument from __fpstate_reset() Chao Gao
2025-05-09 18:29 ` Sean Christopherson [this message]
2025-05-06 9:36 ` [PATCH v6 6/7] x86/fpu/xstate: Introduce "guest-only" supervisor xfeature set Chao Gao
2025-05-06 9:36 ` [PATCH v6 7/7] x86/fpu/xstate: Add CET supervisor xfeature support as a guest-only feature 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=aB5JiE6LupZhmqJ7@google.com \
--to=seanjc@google.com \
--cc=bp@alien8.de \
--cc=chang.seok.bae@intel.com \
--cc=chao.gao@intel.com \
--cc=dave.hansen@intel.com \
--cc=dave.hansen@linux.intel.com \
--cc=ebiggers@google.com \
--cc=hpa@zytor.com \
--cc=john.allen@amd.com \
--cc=kees@kernel.org \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=oleg@redhat.com \
--cc=pbonzini@redhat.com \
--cc=peterz@infradead.org \
--cc=rick.p.edgecombe@intel.com \
--cc=stanspas@amazon.de \
--cc=tglx@linutronix.de \
--cc=weijiang.yang@intel.com \
--cc=x86@kernel.org \
--cc=xin3.li@intel.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.