RE: [PATCH net] net: mana: Add rmb after checking owner bits
From: Dexuan Cui <decui@microsoft.com>
Date: 2022-09-12 21:59:38
Also in:
linux-hyperv, lkml, stable
From: LKML haiyangz <redacted> On Behalf Of Haiyang Zhang
Sent: Sunday, September 11, 2022 1:40 PM
...
Per GDMA spec, rmb is necessary after checking owner_bits, before
reading EQ or CQ entries.
Add rmb in these two places to comply with the specs.
Cc: stable@vger.kernel.org
Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network
Adapter (MANA)")
Reported-by: Sinan Kaya <redacted>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>Reviewed-by: Dexuan Cui <decui@microsoft.com>