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[Qemu-devel] [PATCH v5 06/21] vhost: document log resizing
From: |
marcandre . lureau |
Subject: |
[Qemu-devel] [PATCH v5 06/21] vhost: document log resizing |
Date: |
Thu, 24 Sep 2015 18:22:06 +0200 |
From: Marc-André Lureau <address@hidden>
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 bf88618..7bc3862 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -364,6 +364,8 @@ 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 v5 00/21] vhost-user: add migration support, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 01/21] vhost-user: unit test for new messages, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 02/21] configure: probe for memfd, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 03/21] util: add linux-only memfd fallback, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 04/21] util: add memfd helpers, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 05/21] vhost: alloc shareable log, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 06/21] vhost: document log resizing,
marcandre . lureau <=
- [Qemu-devel] [PATCH v5 07/21] vhost: add vhost_set_log_base op, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 09/21] vhost-user: add a migration blocker, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 08/21] vhost-user: send log shm fd along with log_base, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 11/21] vhost: only use shared log if in use by backend, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 12/21] vhost-user: document migration log, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 13/21] net: add trace_vhost_user_event, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v5 10/21] vhost: use a function for each call, marcandre . lureau, 2015/09/24