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, qemu-devel@nongnu.org,
Halil Pasic <pasic@linux.ibm.com>
Subject: Re: [PATCH v2] s390x/pci: set kvm_msi_via_irqfd_allowed
Date: Wed, 8 Oct 2025 12:23:16 +0200 [thread overview]
Message-ID: <20251008122316.5eda630a.pasic@linux.ibm.com> (raw)
In-Reply-To: <20251007205614.188365-1-mjrosato@linux.ibm.com>
On Tue, 7 Oct 2025 16:56:14 -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.
>
> Reviewed-by: Eric Farman <farman@linux.ibm.com>
> Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
next prev parent reply other threads:[~2025-10-08 10:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-07 20:56 [PATCH v2] s390x/pci: set kvm_msi_via_irqfd_allowed Matthew Rosato
2025-10-07 22:14 ` Farhan Ali
2025-10-08 8:49 ` David Hildenbrand
2025-10-08 10:23 ` Halil Pasic [this message]
2025-10-08 12:51 ` Thomas Huth
2025-10-08 13:19 ` Matthew Rosato
2025-10-08 13:44 ` Thomas Huth
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