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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2024-03-19 21:20:50 +0300
committerThomas Gleixner <tglx@linutronix.de>2024-04-08 17:39:16 +0300
commitfa1f51162338b3e2f520d4bfedc42b3b2e00da6d (patch)
tree482c917634c71e7b2309955ec434fba2c36b8635 /include/asm-generic/percpu.h
parentfec50db7033ea478773b159e0e2efb135270e3b7 (diff)
downloadlinux-fa1f51162338b3e2f520d4bfedc42b3b2e00da6d.tar.xz
locking: Make rwsem_assert_held_write_nolockdep() build with PREEMPT_RT=y
The commit cited below broke the build for PREEMPT_RT because rwsem_assert_held_write_nolockdep() passes a struct rw_semaphore but rw_base_assert_held_write() expects struct rwbase_rt. Fixing the type alone leads to the problem that WARN_ON() is not found because bug.h is missing. In order to resolve this: - Keep the assert (WARN_ON()) in rwsem.h (not rwbase_rt.h) - Make rwsem_assert_held_write_nolockdep() do the implementation specific (rw_base) writer check. - Replace the "inline" with __always_inline which was used before. Fixes: f70405afc99b1 ("locking: Add rwsem_assert_held() and rwsem_assert_held_write()") Reported-by: Clark Williams <williams@redhat.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Waiman Long <longman@redhat.com> Link: https://lore.kernel.org/r/20240319182050.U4AzUF3I@linutronix.de
Diffstat (limited to 'include/asm-generic/percpu.h')
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