hv_utils: Add comment about max VMbus packet size in VSS driver
authorMichael Kelley <mikelley@microsoft.com>
Wed, 9 Feb 2022 16:11:10 +0000 (08:11 -0800)
committerWei Liu <wei.liu@kernel.org>
Fri, 18 Feb 2022 13:08:18 +0000 (13:08 +0000)
commit6de74d1069b821e96460d0fc2edfc35785db04fb
tree7670a968e8a04d89202a732790a580e2a7f41a8c
parent4ee524587105011ef43e5bd3ef5ed019715363dd
hv_utils: Add comment about max VMbus packet size in VSS driver

The VSS driver allocates a VMbus receive buffer significantly
larger than sizeof(hv_vss_msg), with no explanation. To help
prevent future mistakes, add a #define and comment about why
this is done.

No functional change.

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1644423070-75125-1-git-send-email-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
drivers/hv/hv_snapshot.c
include/uapi/linux/hyperv.h