[PATCH V2 0/3] basic busy polling support for vhost_net

Hi all: This series tries to add basic busy polling for vhost net. The idea is simple: at the end of tx/rx processing, busy polling for new tx added descriptor and rx receive socket for a while. The maximum number of time (in us) could be spent on busy polling was specified ioctl. Test A were don

[PATCH V2 2/3] vhost: introduce vhost_vq_more_avail()

Signed-off-by: Jason Wang --- drivers/vhost/vhost.c | 13 + drivers/vhost/vhost.h | 1 + 2 files changed, 14 insertions(+) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 163b365..4f45a03 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -1633,6 +163

[PATCH V2 3/3] vhost_net: basic polling support

This patch tries to poll for new added tx buffer or socket receive queue for a while at the end of tx/rx processing. The maximum time spent on polling were specified through a new kind of vring ioctl. Signed-off-by: Jason Wang --- drivers/vhost/net.c| 72 +

[PATCH V2 1/3] vhost: introduce vhost_has_work()

This path introduces a helper which can give a hint for whether or not there's a work queued in the work list. Signed-off-by: Jason Wang --- drivers/vhost/vhost.c | 7 +++ drivers/vhost/vhost.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.

BUG ALERT: ARM32 KVM does not work in 4.4-rc3

Hello! My project involves ARM64, but from time to time i also test ARM32 KVM. I have discovered that it stopped working in 4.4-rc3. The same virtual machine works perfectly under current kvmarm/next, but gets stuck at random point under 4.4-rc3 from linux-stable. I'm not sure that i have tim

<    1   2