From: Sean Christopherson <seanjc@google.com>
To: "Liu, Jing2" <jing2.liu@linux.intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>,
pbonzini@redhat.com, Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] kvm: x86: Revise guest_fpu xcomp_bv field
Date: Wed, 24 Feb 2021 12:40:17 -0800 [thread overview]
Message-ID: <YDa5saYSU+Zrr8e+@google.com> (raw)
In-Reply-To: <9d23ae5b-9b85-88d7-a2d7-44fd75a068b9@linux.intel.com>
On Tue, Feb 23, 2021, Liu, Jing2 wrote:
> XCOMP_BV[63] field indicates that the save area is in the
> compacted format and XCOMP_BV[62:0] indicates the states that
> have space allocated in the save area, including both XCR0
> and XSS bits enable by the host kernel. Use xfeatures_mask_all
> for calculating xcomp_bv and reuse XCOMP_BV_COMPACTED_FORMAT
> defined by kernel.
Works for me, just please wrap at ~73-75 chars, not ~64.
Thanks!
next prev parent reply other threads:[~2021-02-24 20:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-08 16:16 [PATCH v1] kvm: x86: Revise guest_fpu xcomp_bv field Jing Liu
2021-02-08 15:23 ` Dave Hansen
2021-02-08 17:24 ` Sean Christopherson
2021-02-22 3:21 ` Liu, Jing2
2021-02-22 16:06 ` Sean Christopherson
2021-02-23 3:06 ` Liu, Jing2
2021-02-24 20:40 ` Sean Christopherson [this message]
2021-02-25 2:02 ` Liu, Jing2
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