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Re: [PATCH RESEND v9 33/36] KVM: VMX: Add VMX_DO_FRED_EVENT_IRQOFF for IRQ/NMI handling
- To: Sean Christopherson <seanjc@xxxxxxxxxx>
- From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
- Date: Tue, 1 Aug 2023 21:37:50 +0200
- Cc: Xin Li <xin3.li@xxxxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-edac@xxxxxxxxxxxxxxx, linux-hyperv@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, Jonathan Corbet <corbet@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, "H . Peter Anvin" <hpa@xxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, "K . Y . Srinivasan" <kys@xxxxxxxxxxxxx>, Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>, Wei Liu <wei.liu@xxxxxxxxxx>, Dexuan Cui <decui@xxxxxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Wanpeng Li <wanpengli@xxxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>, Josh Poimboeuf <jpoimboe@xxxxxxxxxx>, "Paul E . McKenney" <paulmck@xxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Randy Dunlap <rdunlap@xxxxxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Kim Phillips <kim.phillips@xxxxxxx>, Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>, "Liam R . Howlett" <Liam.Howlett@xxxxxxxxxx>, Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>, "Kirill A . Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Suren Baghdasaryan <surenb@xxxxxxxxxx>, Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>, Babu Moger <babu.moger@xxxxxxx>, Jim Mattson <jmattson@xxxxxxxxxx>, Sandipan Das <sandipan.das@xxxxxxx>, Lai Jiangshan <jiangshanlai@xxxxxxxxx>, Hans de Goede <hdegoede@xxxxxxxxxx>, Reinette Chatre <reinette.chatre@xxxxxxxxx>, Daniel Sneddon <daniel.sneddon@xxxxxxxxxxxxxxx>, Breno Leitao <leitao@xxxxxxxxxx>, Nikunj A Dadhania <nikunj@xxxxxxx>, Brian Gerst <brgerst@xxxxxxxxx>, Sami Tolvanen <samitolvanen@xxxxxxxxxx>, Alexander Potapenko <glider@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, "Eric W . Biederman" <ebiederm@xxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Masahiro Yamada <masahiroy@xxxxxxxxxx>, Ze Gao <zegao2021@xxxxxxxxx>, Fei Li <fei1.li@xxxxxxxxx>, Conghui <conghui.chen@xxxxxxxxx>, Ashok Raj <ashok.raj@xxxxxxxxx>, "Jason A . Donenfeld" <Jason@xxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>, Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>, Jane Malalane <jane.malalane@xxxxxxxxxx>, David Woodhouse <dwmw@xxxxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>, Yantengsi <siyanteng@xxxxxxxxxxx>, Christophe Leroy <christophe.leroy@xxxxxxxxxx>, Sathvika Vasireddy <sv@xxxxxxxxxxxxx>
- Delivery-date: Tue, 01 Aug 2023 19:39:11 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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. On that page is
also "Flexible Return and Event Delivery Specification", when clicked it
will gift you a FRED v5.0 PDF.
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