projects / linux-block.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 7ebb09d) | patch
memory: tegra20: Protect debug code with a lock
authorDmitry Osipenko <digetx@gmail.com>
Tue, 23 Mar 2021 21:04:46 +0000 (00:04 +0300)
committerKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Thu, 1 Apr 2021 17:58:22 +0000 (19:58 +0200)
commit289471984f1c226c9e0e50d31d0db6b3678e6f5a
treed01b55ecc1dde7f67c75f6154192a3ecd9ae7baatree | snapshot
parent7ebb09db5b265701b70a4c8980513825dbc57584commit | diff
memory: tegra20: Protect debug code with a lock

Simultaneous accesses to MC_STAT h/w shouldn't be allowed since one
collection process stomps on another. There is no good reason for
polling stats in parallel in practice, nevertheless let's add a
protection lock, just for consistency.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210323210446.24867-2-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
drivers/memory/tegra/tegra20.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)