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由 Andre Przywara 提交于
At the moment the nvme_get_features() and nvme_set_features() functions carry a (somewhat misleading) comment about missing cache maintenance. As it turns out, nvme_get_features() has no caller at all in the tree, and nvme_set_features' only user doesn't use a DMA buffer. Mention that in the comment, and leave some breadcrumbs for the future, should those functions attract more users. Signed-off-by: NAndre Przywara <andre.przywara@arm.com> Reviewed-by: NMichael Trimarchi <michael@amarulasolutions.com> Reviewed-by: NBin Meng <bmeng.cn@gmail.com>
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