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Drivers: hv: vmbus: vmbus_sendpacket_ctl: hvsock: avoid unnecessary signaling
authorDexuan Cui <decui@microsoft.com>
Thu, 28 Jan 2016 06:29:39 +0000 (22:29 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 8 Feb 2016 05:34:12 +0000 (21:34 -0800)
commit5f363bc38f810d238d1e8b19998625ddec3b8138
tree1f4c250e523d5764966847ac122f41780d7e2d50tree | snapshot
parente8d6ca023efce3bd80050dcd9e708ee3cf8babd4commit | diff
Drivers: hv: vmbus: vmbus_sendpacket_ctl: hvsock: avoid unnecessary signaling

When the hvsock channel's outbound ringbuffer is full (i.e.,
hv_ringbuffer_write() returns -EAGAIN), we should avoid the unnecessary
signaling the host.

Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hv/channel.c diff | blob | history
John Crispins staging tree