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soc: qcom: smd-rpm: Use GFP_ATOMIC in write path

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Preparing for better lockdep annotations for things that happen in runpm
suspend/resume path vs shrinker/reclaim in the following patches, we
need to avoid allocations that can trigger reclaim in the icc_set_bw()
path.  In the RPMh case, rpmh_write_batch() already uses GFP_ATOMIC, so
it should be reasonable to use in the smd-rpm case as well.

Alternatively, 256bytes is small enough for a function that isn't called
recursively to allocate on-stack.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230320144356.803762-21-robdclark@gmail.com
This commit is contained in:
Rob Clark 2023-03-20 07:43:42 -07:00 committed by Bjorn Andersson
parent c78ad8597e
commit 5808c532ca
1 changed files with 1 additions and 1 deletions
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2
drivers/soc/qcom/smd-rpm.c
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@ -113,7 +113,7 @@ int qcom_rpm_smd_write(struct qcom_smd_rpm *rpm,
if (WARN_ON(size >= 256)) if (WARN_ON(size >= 256))
return -EINVAL; return -EINVAL;
pkt = kmalloc(size, GFP_KERNEL); pkt = kmalloc(size, GFP_ATOMIC);
if (!pkt) if (!pkt)
return -ENOMEM; return -ENOMEM;