On Mon, Apr 27, 2009 at 02:33:34PM -0400, Gregory Haskins wrote:
+ /* We re-use eventfd for irqfd */
+ fd = sys_eventfd2(0, 0);
+ if (fd 0) {
+ ret = fd;
+ goto fail;
+ }
+
+ /* We maintain a reference to eventfd for the irqfd lifetime */
+
Michael S. Tsirkin wrote:
On Mon, Apr 27, 2009 at 02:33:34PM -0400, Gregory Haskins wrote:
This allows an eventfd to be registered as an irq source with a guest. Any
signaling operation on the eventfd (via userspace or kernel) will inject
the registered GSI at the next available window.
On Sun, 3 May 2009, Al Viro wrote:
On Mon, Apr 27, 2009 at 02:33:34PM -0400, Gregory Haskins wrote:
+ /* We re-use eventfd for irqfd */
+ fd = sys_eventfd2(0, 0);
+ if (fd 0) {
+ ret = fd;
+ goto fail;
+ }
+
+ /* We maintain a reference to eventfd
On Sun, May 03, 2009 at 11:07:26AM -0700, Davide Libenzi wrote:
On Sun, 3 May 2009, Al Viro wrote:
On Mon, Apr 27, 2009 at 02:33:34PM -0400, Gregory Haskins wrote:
+ /* We re-use eventfd for irqfd */
+ fd = sys_eventfd2(0, 0);
+ if (fd 0) {
+ ret = fd;
+ goto
On Sun, May 03, 2009 at 07:59:40PM +0300, Avi Kivity wrote:
Michael S. Tsirkin wrote:
On Mon, Apr 27, 2009 at 02:33:34PM -0400, Gregory Haskins wrote:
This allows an eventfd to be registered as an irq source with a guest. Any
signaling operation on the eventfd (via userspace or kernel)
Michael S. Tsirkin wrote:
On Sun, May 03, 2009 at 07:59:40PM +0300, Avi Kivity wrote:
Michael S. Tsirkin wrote:
On Mon, Apr 27, 2009 at 02:33:34PM -0400, Gregory Haskins wrote:
This allows an eventfd to be registered as an irq source with a guest. Any
signaling operation on
On Sun, May 03, 2009 at 10:17:16PM +0300, Avi Kivity wrote:
Actually there's a third option: add KVM_MASK_IRQ, KVM_UNMASK_IRQ ioctls
which will block/unblock guest from getting interrupt on this irq,
whatever the source. Interrupts are queued in kernel while masked. A
third ioctl
On Sun, 3 May 2009, Al Viro wrote:
IOW, the sane solution would be to export something that returns your
struct file *. And stop playing with fd completely.
This builds but it's not tested at all.
- Make all the work of the old anon_inode_getfd(), done by a new
anon_inode_getfile(), with
On Mon, Apr 27, 2009 at 02:33:34PM -0400, Gregory Haskins wrote:
This allows an eventfd to be registered as an irq source with a guest. Any
signaling operation on the eventfd (via userspace or kernel) will inject
the registered GSI at the next available window.
Signed-off-by: Gregory
This allows an eventfd to be registered as an irq source with a guest. Any
signaling operation on the eventfd (via userspace or kernel) will inject
the registered GSI at the next available window.
Signed-off-by: Gregory Haskins ghask...@novell.com
---
arch/x86/kvm/Makefile|2 -
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