From: David Edmondson <dme@dme.org>
To: Jim Mattson <jmattson@google.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
kvm list <kvm@vger.kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>,
the arch/x86 maintainers <x86@kernel.org>,
Sean Christopherson <seanjc@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
Joerg Roedel <joro@8bytes.org>,
Wanpeng Li <wanpengli@tencent.com>,
Borislav Petkov <bp@alien8.de>, Ingo Molnar <mingo@redhat.com>,
Aaron Lewis <aaronlewis@google.com>
Subject: Re: [PATCH 0/6] KVM: x86: Make the cause of instruction emulation available to user-space
Date: Tue, 13 Apr 2021 11:54:25 +0100 [thread overview]
Message-ID: <cunk0p6sbdq.fsf@dme.org> (raw)
In-Reply-To: <CALMp9eRTy-m6DkXRSGNU=r7xmrzFFQU60DB2asUDZLCgw93wRQ@mail.gmail.com>
On Monday, 2021-04-12 at 11:34:33 -07, Jim Mattson wrote:
> On Mon, Apr 12, 2021 at 6:09 AM David Edmondson
> <david.edmondson@oracle.com> wrote:
>>
>> Instruction emulation happens for a variety of reasons, yet on error
>> we have no idea exactly what triggered it. Add a cause of emulation to
>> the various originators and pass it upstream when emulation fails.
>
> What is userspace going to do with this information? It's hard to say
> whether or not this is the right ABI without more context.
Logging for debug purposes, see reply to Sean.
dme.
--
You make me feel like a natural woman.
prev parent reply other threads:[~2021-04-13 11:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-12 13:09 [PATCH 0/6] KVM: x86: Make the cause of instruction emulation available to user-space David Edmondson
2021-04-12 13:09 ` [PATCH 1/6] KVM: x86: add an emulation_reason to x86_emulate_instruction() David Edmondson
2021-04-12 13:09 ` [PATCH 2/6] KVM: x86: pass emulation_reason to handle_emulation_failure() David Edmondson
2021-04-12 13:09 ` [PATCH 3/6] KVM: x86: add emulation_reason to kvm_emulate_instruction() David Edmondson
2021-04-12 13:09 ` [PATCH 4/6] KVM: x86: pass a proper reason " David Edmondson
2021-04-12 13:09 ` [PATCH 5/6] KVM: SVM: pass a proper reason in kvm_emulate_instruction() David Edmondson
2021-04-12 16:04 ` Sean Christopherson
2021-04-13 10:53 ` David Edmondson
2021-04-13 18:45 ` Aaron Lewis
2021-04-14 12:25 ` David Edmondson
2021-04-12 13:09 ` [PATCH 6/6] KVM: VMX: " David Edmondson
2021-04-12 18:34 ` [PATCH 0/6] KVM: x86: Make the cause of instruction emulation available to user-space Jim Mattson
2021-04-13 10:54 ` David Edmondson [this message]
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