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authorBruce Ashfield <bruce.ashfield@gmail.com>2021-02-02 22:24:01 -0500
committerRichard Purdie <richard.purdie@linuxfoundation.org>2021-02-03 21:42:44 +0000
commit448e2210cbe66d52b175d29df16edc4aeda4c961 (patch)
tree66d208ed6d18433801b57740a1963560e4948cb1 /meta/recipes-kernel/linux/linux-yocto-rt_5.4.bb
parent5dcc8a5977725a9fe11ac13ebd16a7acc1eef37d (diff)
downloadopenembedded-core-contrib-448e2210cbe66d52b175d29df16edc4aeda4c961.tar.gz
linux-yocto-rt/5.10: fix 5.10-rt build breakage
5.10-stable included a backport of: Author: Eric W. Biederman <ebiederm@xmission.com> Date: Thu Dec 3 14:11:13 2020 -0600 rwsem: Implement down_read_interruptible [ Upstream commit 31784cff7ee073b34d6eddabb95e3be2880a425c ] In preparation for converting exec_update_mutex to a rwsem so that multiple readers can execute in parallel and not deadlock, add down_read_interruptible. This is needed for perf_event_open to be converted (with no semantic changes) from working on a mutex to wroking on a rwsem. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/87k0tybqfy.fsf@x220.int.ebiederm.org Signed-off-by: Sasha Levin <sashal@kernel.org> We implement a -rt variant to fix the build issues. Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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