to be under
"#ifdef __KERNEL__", but they are actually useful for userspace as
well. Add them to the new header.
Cc: James Bottomley <jbottom...@parallels.com>
Cc: Christoph Hellwig <h...@lst.de>
Cc: linux-s...@vger.kernel.org
Cc: Bart Van Assche <bart.vanass...@sandisk.
On 08/15/13 03:30, Asias He wrote:
On Wed, Aug 14, 2013 at 08:58:25PM +0300, Michael S. Tsirkin wrote:
On Wed, Aug 14, 2013 at 05:22:36PM +0200, Bart Van Assche wrote:
On 08/14/13 13:37, Michael S. Tsirkin wrote:
On Wed, Aug 14, 2013 at 09:02:32AM +0200, Bart Van Assche wrote
There are two patches in this series:
* A patch that reduces vhost_work_flush() latency on busy systems.
* A patch that avoids that vhost_work_flush() returns early.
I found these issues via code inspection.
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If the TIF_NEED_RESCHED task flag is set, wake up any vhost_work_flush()
waiters before rescheduling instead of after rescheduling.
Signed-off-by: Bart Van Assche bvanass...@acm.org
Cc: Michael S. Tsirkin m...@redhat.com
Cc: Asias He as...@redhat.com
---
drivers/vhost/vhost.c | 42
processed.
Signed-off-by: Bart Van Assche bvanass...@acm.org
Cc: Michael S. Tsirkin m...@redhat.com
Cc: Asias He as...@redhat.com
---
drivers/vhost/vhost.c |5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index e7ffc10..11d668a
On 08/14/13 13:46, Michael S. Tsirkin wrote:
I'm confused by this explanation.
done_seq is set here:
if (work) {
work-done_seq = seq;
if (work-flushing)
wake_up_all(work-done);
}
On 08/14/13 13:37, Michael S. Tsirkin wrote:
On Wed, Aug 14, 2013 at 09:02:32AM +0200, Bart Van Assche wrote:
If the TIF_NEED_RESCHED task flag is set, wake up any vhost_work_flush()
waiters before rescheduling instead of after rescheduling.
Signed-off-by: Bart Van Assche bvanass...@acm.org
Cc
Wake up work-done waiters even if the TIF_NEED_RESCHED task flag
has been set. This patch fixes a regression introduced in commit
d550dda (kernel v3.4).
Signed-off-by: Bart Van Assche bvanass...@acm.org
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=60505
Cc: Michael S. Tsirkin m
On 07/05/13 10:36, Bart Van Assche wrote:
Wake up work-done waiters even if the TIF_NEED_RESCHED task flag
has been set. This patch fixes a regression introduced in commit
d550dda (kernel v3.4).
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=60505
(replying to my own e-mail)
Please
On 03/23/13 12:28, Wanlong Gao wrote:
+static struct virtio_scsi_vq *virtscsi_pick_vq(struct virtio_scsi *vscsi,
+ struct virtio_scsi_target_state
*tgt)
+{
+ struct virtio_scsi_vq *vq;
+ unsigned long flags;
+ u32 queue_num;
+
+
On 07/04/12 04:24, Nicholas A. Bellinger wrote:
+/* Fill in status and signal that we are done processing this command
+ *
+ * This is scheduled in the vhost work queue so we are called with the owner
+ * process mm and can access the vring.
+ */
+static void
On 07/05/12 01:52, Nicholas A. Bellinger wrote:
fio randrw workload | virtio-scsi-raw | virtio-scsi+tcm_vhost | bare-metal
raw block
25 Write / 75 Read | ~15K | ~45K |
On 07/05/12 17:47, Bart Van Assche wrote:
On 07/04/12 04:24, Nicholas A. Bellinger wrote:
+/* Fill in status and signal that we are done processing this command
+ *
+ * This is scheduled in the vhost work queue so we are called with the owner
+ * process mm and can access the vring
On 07/05/12 17:53, Bart Van Assche wrote:
On 07/05/12 01:52, Nicholas A. Bellinger wrote:
fio randrw workload | virtio-scsi-raw | virtio-scsi+tcm_vhost | bare-metal
raw block
25 Write / 75 Read | ~15K
On Mon, Feb 13, 2012 at 8:05 AM, Christian Borntraeger
borntrae...@de.ibm.com wrote:
On 12/02/12 21:16, James Bottomley wrote:
Could someone please explain to me why you can't simply fix virtio-blk?
I dont think that virtio-scsi will replace virtio-blk everywhere. For non-scsi
block devices,
On Sat, Jan 21, 2012 at 9:19 PM, kordex kor...@gmail.com wrote:
I hit sysrq+t sysrq+p in order to print the tasks with stacktraces and
registers. Using ps -e -o pid,state,command will hang ps output,
while ps -e -o pid,state will not.
Sorry, haven't seen such a hang ever before. Does it also
On Sat, Jan 21, 2012 at 2:58 PM, kordex kor...@gmail.com wrote:
On Thu, Jan 19, 2012 at 21:12, kordex kor...@gmail.com wrote:
On Thu, Jan 19, 2012 at 20:34, kordex kor...@gmail.com wrote:
Full dmesg of the case attached.
On Thu, Jan 19, 2012 at 13:12, Bart Van Assche bvanass...@acm.org
On Thu, Jan 19, 2012 at 11:54 AM, kordex kor...@gmail.com wrote:
root@teletex:/usr/src/linux# dmesg
+0x12e7/0x1c50
[810dc322] ? page_add_new_anon_rmap+0x52/0xa0
The above output is truncated - the most interesting part is missing.
Bart.
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