From: Sean Christopherson <seanjc@google.com>
To: Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] KVM: x86: Track kvm_vcpu_arch.pending_ioapic_eoi as a u8 to drop dead BUG_ON()
Date: Mon, 21 Sep 2026 07:05:12 -0700 [thread overview]
Message-ID: <178999688412.714688.17254419509505486667.b4-ty@google.com> (raw)
In-Reply-To: <20260806171400.4119301-1-seanjc@google.com>
On Thu, 06 Aug 2026 10:14:00 -0700, Sean Christopherson wrote:
> Track the vector associated with KVM_EXIT_IOAPIC_EOI as a u8, as the vector
> is zero-initialized and is only ever set to a legal vector. I.e. unlike
> many of the other vector variables in KVM, it can't be -1 (and can't be
> greater than 255, though that should hold true for all vectors in KVM).
>
> Drop the now fully dead BUG_ON(), which aside from being completely
> unnecessary, was also useless, as it wouldn't guard against a negative
> value, i.e. wouldn't detect KVM's magic -1 value.
>
> [...]
Applied to kvm-x86 misc, thanks!
[1/1] KVM: x86: Track kvm_vcpu_arch.pending_ioapic_eoi as a u8 to drop dead BUG_ON()
https://github.com/kvm-x86/linux/commit/926a9ea9bdf0
--
https://github.com/kvm-x86/linux/tree/next
prev parent reply other threads:[~2026-09-21 14:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-06 17:14 Sean Christopherson
2026-08-06 18:31 ` Paolo Bonzini
2026-08-06 21:51 ` Huang, Kai
2026-09-21 14:05 ` Sean Christopherson [this message]
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