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[Qemu-devel] [PATCH v2 5/9] vhost: document log resizing
From: |
Marc-André Lureau |
Subject: |
[Qemu-devel] [PATCH v2 5/9] vhost: document log resizing |
Date: |
Tue, 28 Jul 2015 19:36:39 +0200 |
Signed-off-by: Marc-André Lureau <address@hidden>
---
hw/virtio/vhost.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 862e786..057d548 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -357,6 +357,8 @@ static inline void vhost_dev_log_resize(struct vhost_dev*
dev, uint64_t size)
uint64_t log_base = (uintptr_t)log->log;
int r;
+ /* inform backend of log switching, this must be done before
+ releasing the current log, to ensure no logging is lost */
r = dev->vhost_ops->vhost_call(dev, VHOST_SET_LOG_BASE, &log_base);
assert(r >= 0);
vhost_log_put(dev, true);
--
2.4.3
- [Qemu-devel] [PATCH v2 0/9] vhost-user: add migration log support (for 2.5), Marc-André Lureau, 2015/07/28
- [Qemu-devel] [PATCH v2 5/9] vhost: document log resizing,
Marc-André Lureau <=
- [Qemu-devel] [PATCH v2 6/9] vhost: use variable arguments for vhost_call(), Marc-André Lureau, 2015/07/28
- [Qemu-devel] [PATCH v2 7/9] vhost-user: start and end the va_list, Marc-André Lureau, 2015/07/28
- [Qemu-devel] [PATCH v2 8/9] vhost-user: send log shm fd along with log_base, Marc-André Lureau, 2015/07/28
- [Qemu-devel] [PATCH v2 9/9] vhost-user: document migration log, Marc-André Lureau, 2015/07/28