Projects
home:dongzhihai
qemu
_service:tar_scm:hw-virtio-Introduce-virtio_bh_...
Sign Up
Log In
Username
Password
Overview
Repositories
Revisions
Requests
Users
Attributes
Meta
File _service:tar_scm:hw-virtio-Introduce-virtio_bh_new_guarded-helper.patch of Package qemu
From 8c1ad2043705184da00d39250402a70f403d14a7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org> Date: Thu, 4 Apr 2024 20:56:11 +0200 Subject: [PATCH] hw/virtio: Introduce virtio_bh_new_guarded() helper MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Introduce virtio_bh_new_guarded(), similar to qemu_bh_new_guarded() but using the transport memory guard, instead of the device one (there can only be one virtio device per virtio bus). Inspired-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-Id: <20240409105537.18308-2-philmd@linaro.org> --- hw/virtio/virtio.c | 10 ++++++++++ include/hw/virtio/virtio.h | 7 +++++++ 2 files changed, 17 insertions(+) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index d00effe4d5..202aae868e 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -4148,3 +4148,13 @@ static void virtio_register_types(void) } type_init(virtio_register_types) + +QEMUBH *virtio_bh_new_guarded_full(DeviceState *dev, + QEMUBHFunc *cb, void *opaque, + const char *name) +{ + DeviceState *transport = qdev_get_parent_bus(dev)->parent; + + return qemu_bh_new_full(cb, opaque, name, + &transport->mem_reentrancy_guard); +} diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index e612441357..60494aed62 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -22,6 +22,7 @@ #include "standard-headers/linux/virtio_config.h" #include "standard-headers/linux/virtio_ring.h" #include "qom/object.h" +#include "block/aio.h" /* * A guest should never accept this. It implies negotiation is broken @@ -510,4 +511,10 @@ static inline bool virtio_device_disabled(VirtIODevice *vdev) bool virtio_legacy_allowed(VirtIODevice *vdev); bool virtio_legacy_check_disabled(VirtIODevice *vdev); +QEMUBH *virtio_bh_new_guarded_full(DeviceState *dev, + QEMUBHFunc *cb, void *opaque, + const char *name); +#define virtio_bh_new_guarded(dev, cb, opaque) \ + virtio_bh_new_guarded_full((dev), (cb), (opaque), (stringify(cb))) + #endif -- 2.27.0
Locations
Projects
Search
Status Monitor
Help
Open Build Service
OBS Manuals
API Documentation
OBS Portal
Reporting a Bug
Contact
Mailing List
Forums
Chat (IRC)
Twitter
Open Build Service (OBS)
is an
openSUSE project
.
浙ICP备2022010568号-2