From: Peter Zijlstra <peterz@infradead.org>
To: Sean Christopherson <seanjc@google.com>
Cc: Xin Li <xin3.li@intel.com>,
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Subject: Re: [PATCH RESEND v9 33/36] KVM: VMX: Add VMX_DO_FRED_EVENT_IRQOFF for IRQ/NMI handling
Date: Tue, 1 Aug 2023 21:37:50 +0200 [thread overview]
Message-ID: <20230801193750.GA119080@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <ZMlWe5TgS6HM98Mg@google.com>
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.
next prev parent reply other threads:[~2023-08-01 19:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-01 8:35 [PATCH RESEND v9 27/36] x86/traps: Add external_interrupt() to dispatch external interrupts Xin Li
2023-08-01 8:35 ` [PATCH RESEND v9 28/36] x86/idtentry: Incorporate declaration/definition of the FRED exception handler type Xin Li
2023-08-01 8:35 ` [PATCH RESEND v9 29/36] x86/fred: FRED entry/exit and dispatch code Xin Li
2023-08-01 8:35 ` [PATCH RESEND v9 30/36] x86/fred: Fixup fault on ERETU by jumping to fred_entrypoint_user Xin Li
2023-08-01 8:35 ` [PATCH RESEND v9 31/36] x86/traps: Export external_interrupt() for handling IRQ in IRQ induced VM exits Xin Li
2023-08-01 8:35 ` [PATCH RESEND v9 32/36] x86/fred: Export fred_entrypoint_kernel() for handling NMI in NMI " Xin Li
2023-08-01 8:35 ` [PATCH RESEND v9 33/36] KVM: VMX: Add VMX_DO_FRED_EVENT_IRQOFF for IRQ/NMI handling Xin Li
2023-08-01 19:01 ` Sean Christopherson
2023-08-01 19:37 ` Peter Zijlstra [this message]
2023-08-01 19:49 ` Sean Christopherson
2023-08-01 23:18 ` Li, Xin3
2023-08-03 16:58 ` Li, Xin3
2023-08-01 8:35 ` [PATCH RESEND v9 34/36] x86/syscall: Split IDT syscall setup code into idt_syscall_init() Xin Li
2023-08-01 8:35 ` [PATCH RESEND v9 35/36] x86/fred: FRED initialization code Xin Li
2023-08-01 8:35 ` [PATCH RESEND v9 36/36] x86/fred: Disable FRED by default in its early stage Xin Li
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