[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v3 06/28] hw/xen: take iothread mutex in xen_evtchn_reset_op()
- To: David Woodhouse <dwmw2@xxxxxxxxxxxxx>, qemu-devel@xxxxxxxxxx
- From: "Durrant, Paul" <xadimgnik@xxxxxxxxx>
- Date: Fri, 27 Oct 2023 08:20:19 +0100
- Cc: Kevin Wolf <kwolf@xxxxxxxxxx>, Hanna Reitz <hreitz@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony Perard <anthony.perard@xxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>, Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Marcel Apfelbaum <marcel.apfelbaum@xxxxxxxxx>, Richard Henderson <richard.henderson@xxxxxxxxxx>, Eduardo Habkost <eduardo@xxxxxxxxxxx>, Jason Wang <jasowang@xxxxxxxxxx>, Marcelo Tosatti <mtosatti@xxxxxxxxxx>, qemu-block@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, Bernhard Beschow <shentey@xxxxxxxxx>, Joel Upham <jupham125@xxxxxxxxx>
- Delivery-date: Fri, 27 Oct 2023 07:20:28 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 25/10/2023 15:50, David Woodhouse wrote:
From: David Woodhouse <dwmw@xxxxxxxxxxxx>
The xen_evtchn_soft_reset() function requires the iothread mutex, but is
also called for the EVTCHNOP_reset hypercall. Ensure the mutex is taken
in that case.
Fixes: a15b10978fe6 ("hw/xen: Implement EVTCHNOP_reset")
Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
---
hw/i386/kvm/xen_evtchn.c | 1 +
1 file changed, 1 insertion(+)
Reviewed-by: Paul Durrant <paul@xxxxxxx>
|
