From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Uros Bizjak <ubizjak@gmail.com>, Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH v2 1/2] KVM: VMX: Move IRQ invocation to assembly subroutine
Date: Tue, 15 Sep 2020 14:27:05 -0500 [thread overview]
Message-ID: <20200915192705.vadb4he5obu3vdzm@treble> (raw)
In-Reply-To: <20200915191505.10355-2-sean.j.christopherson@intel.com>
On Tue, Sep 15, 2020 at 12:15:04PM -0700, Sean Christopherson wrote:
> Move the asm blob that invokes the appropriate IRQ handler after VM-Exit
> into a proper subroutine. Unconditionally create a stack frame in the
> subroutine so that, as objtool sees things, the function has standard
> stack behavior. The dynamic stack adjustment makes using unwind hints
> problematic.
>
> Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com>
> Cc: Uros Bizjak <ubizjak@gmail.com>
> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
--
Josh
next prev parent reply other threads:[~2020-09-15 19:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 19:15 [PATCH v2 0/2] KVM: VMX: Clean up IRQ/NMI handling Sean Christopherson
2020-09-15 19:15 ` [PATCH v2 1/2] KVM: VMX: Move IRQ invocation to assembly subroutine Sean Christopherson
2020-09-15 19:27 ` Josh Poimboeuf [this message]
2020-09-15 19:38 ` Uros Bizjak
2020-09-15 19:15 ` [PATCH v2 2/2] KVM: VMX: Invoke NMI handler via indirect call instead of INTn Sean Christopherson
2021-04-26 9:33 ` Lai Jiangshan
2021-04-26 10:40 ` Paolo Bonzini
2021-04-26 11:44 ` Maxim Levitsky
2021-04-26 13:59 ` Steven Rostedt
2021-04-26 14:51 ` Andi Kleen
2021-04-26 15:09 ` Andy Lutomirski
2021-04-27 0:54 ` Lai Jiangshan
2021-04-27 1:00 ` Steven Rostedt
2021-04-27 7:05 ` Paolo Bonzini
2021-04-30 2:56 ` Lai Jiangshan
2020-09-22 13:38 ` [PATCH v2 0/2] KVM: VMX: Clean up IRQ/NMI handling Paolo Bonzini
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