From: Halil Pasic <pasic@linux.ibm.com>
To: Matthew Rosato <mjrosato@linux.ibm.com>
Cc: qemu-s390x@nongnu.org, farman@linux.ibm.com, thuth@redhat.com,
borntraeger@linux.ibm.com, richard.henderson@linaro.org,
david@redhat.com, iii@linux.ibm.com, alifm@linux.ibm.com,
qemu-devel@nongnu.org, Halil Pasic <pasic@linux.ibm.com>
Subject: Re: [PATCH v3] s390x/pci: set kvm_msi_via_irqfd_allowed
Date: Mon, 13 Oct 2025 12:18:40 +0200 [thread overview]
Message-ID: <20251013121840.2056babb.pasic@linux.ibm.com> (raw)
In-Reply-To: <20251008203350.354121-1-mjrosato@linux.ibm.com>
On Wed, 8 Oct 2025 16:33:50 -0400
Matthew Rosato <mjrosato@linux.ibm.com> wrote:
> Allow irqfd to be used for virtio-pci on s390x if the kernel supports
> it. This improves s390x virtio-pci performance when using kvm
> acceleration by allowing kvm to deliver interrupts instead of QEMU.
>
> Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
prev parent reply other threads:[~2025-10-13 10:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-08 20:33 [PATCH v3] s390x/pci: set kvm_msi_via_irqfd_allowed Matthew Rosato
2025-10-09 14:54 ` Eric Farman
2025-10-09 16:29 ` Farhan Ali
2025-10-13 10:18 ` Halil Pasic [this message]
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