Drivers: hv: vmbus: Add comments on ring buffer signaling
authorMichael Kelley <mikelley@microsoft.com>
Tue, 5 Jun 2018 20:37:51 +0000 (13:37 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 3 Jul 2018 11:02:28 +0000 (13:02 +0200)
commit71b38245acb05a38d2d861792bdd99cd9f6a0f78
treea1e2cbc6aa01eba596d3a341fbabc11781de8572
parente9a7fda29a5620d9ac2a750d8e35f5d270096321
Drivers: hv: vmbus: Add comments on ring buffer signaling

Add comments describing intricacies of Hyper-V ring buffer
signaling code.  This information is not in Hyper-V public
documents, so include here to capture the knowledge for
future coders.

There are no code changes in this commit.

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hv/ring_buffer.c
include/linux/hyperv.h