linux-kernel - [PATCH net v2 0/3] net: ipa: fix two replenish bugs

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Date:   Wed, 12 Jan 2022 07:30:09 -0600
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     jponduru@...eaurora.org, avuyyuru@...eaurora.org,
        bjorn.andersson@...aro.org, agross@...nel.org,
        cpratapa@...eaurora.org, subashab@...eaurora.org, mka@...omium.org,
        evgreen@...omium.org, elder@...nel.org, netdev@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net v2 0/3] net: ipa: fix two replenish bugs

This series contains two fixes for bugs in the IPA receive buffer
replenishing code.  The (new) second patch defines a bitmap to
represent endpoint the replenish enabled flag.  Its purpose is to
prepare for the third patch, which adds an additional flag.

Version 2 of this series uses bitmap operations in the second bug
fix rather than an atomic variable, as suggested by Jakub.

					-Alex

Alex Elder (3):
  net: ipa: fix atomic update in ipa_endpoint_replenish()
  net: ipa: use a bitmap for endpoint replenish_enabled
  net: ipa: prevent concurrent replenish

 drivers/net/ipa/ipa_endpoint.c | 28 ++++++++++++++++++++--------
 drivers/net/ipa/ipa_endpoint.h | 17 +++++++++++++++--
 2 files changed, 35 insertions(+), 10 deletions(-)

-- 
2.32.0