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47d1932f37
The revmap mutex is essentially only used to maintain the integrity of the radix tree during updates (lookups use RCU). As the global irq_domain_mutex is now held in all paths that update the revmap structures there is strictly no longer any need for the dedicated mutex, which can be removed. Drop the revmap mutex and add lockdep assertions to the revmap helpers to make sure that the global lock is always held when updating the revmap. Tested-by: Hsin-Yi Wang <hsinyi@chromium.org> Tested-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com> Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20230213104302.17307-9-johan+linaro@kernel.org |
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