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,
Xu Yilun <yilun.xu@linux.intel.com>
Subject: Re: [PATCH] Revert "KVM: async_pf: avoid recursive flushing of work items"
Date: Tue, 4 Jun 2024 16:29:31 -0700 [thread overview]
Message-ID: <171754322115.2778750.1004415588461260295.b4-ty@google.com> (raw)
In-Reply-To: <20240423191649.2885257-1-seanjc@google.com>
On Tue, 23 Apr 2024 12:16:49 -0700, Sean Christopherson wrote:
> Now that KVM does NOT gift async #PF workers a "struct kvm" reference,
> don't bother skipping "done" workers when flushing/canceling queued
> workers, as the deadlock that was being fudged around can no longer occur.
> When workers, i.e. async_pf_execute(), were gifted a referenced, it was
> possible for a worker to put the last reference and trigger VM destruction,
> i.e. trigger flushing of a workqueue from a worker in said workqueue.
>
> [...]
Applied to kvm-x86 generic, thanks!
[1/1] Revert "KVM: async_pf: avoid recursive flushing of work items"
https://github.com/kvm-x86/linux/commit/778c350eb580
--
https://github.com/kvm-x86/linux/tree/next
prev parent reply other threads:[~2024-06-04 23:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-23 19:16 Sean Christopherson
2024-06-04 23:29 ` Sean Christopherson [this message]
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