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Message-ID: <ZMlhrHv1c9P6HQXw@google.com>
Date: Tue, 1 Aug 2023 19:49:00 +0000
From: Sean Christopherson <seanjc@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Xin Li <xin3.li@...el.com>, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org,
linux-hyperv@...r.kernel.org, kvm@...r.kernel.org,
xen-devel@...ts.xenproject.org, Jonathan Corbet <corbet@....net>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
"H . Peter Anvin" <hpa@...or.com>,
Andy Lutomirski <luto@...nel.org>,
Oleg Nesterov <oleg@...hat.com>,
Tony Luck <tony.luck@...el.com>,
"K . Y . Srinivasan" <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
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Josh Poimboeuf <jpoimboe@...nel.org>,
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"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
Suren Baghdasaryan <surenb@...gle.com>,
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Sathvika Vasireddy <sv@...ux.ibm.com>
Subject: Re: [PATCH RESEND v9 33/36] KVM: VMX: Add VMX_DO_FRED_EVENT_IRQOFF
for IRQ/NMI handling
On Tue, Aug 01, 2023, Peter Zijlstra wrote:
> On Tue, Aug 01, 2023 at 07:01:15PM +0000, Sean Christopherson wrote:
> > The spec I have from May 2022 says the NMI bit colocated with CS, not SS. And
> > the cover letter's suggestion to use a search engine to find the spec ain't
> > exactly helpful, that just gives me the same "May 2022 Revision 3.0" spec. So
> > either y'all have a spec that I can't find, or this is wrong.
>
> https://intel.com/sdm
>
> is a useful shorthand I've recently been told about.
Hallelujah!
> On that page is also "Flexible Return and Event Delivery Specification", when
> clicked it will gift you a FRED v5.0 PDF.
Worked for me, too. Thanks!
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