5.4-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>
(cherry picked from commit
e610fb7cc22447441f18a9b1bffe58aadb6aaab6)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
raise bb.parse.SkipRecipe("Set PREFERRED_PROVIDER_virtual/kernel to linux-yocto-rt to enable it")
}
-SRCREV_machine ?= "06c752971a7cb66123ab2b3731044103fc5662e0"
-SRCREV_meta ?= "70cec8c033a6f5c48f0a93374f0bfc25240f14fd"
+SRCREV_machine ?= "6b0893e9fddb5473b181b29059fe64980f353c83"
+SRCREV_meta ?= "d676bf5ff7b7071e14f44498d2482c0a596f14cd"
SRC_URI = "git://git.yoctoproject.org/linux-yocto.git;branch=${KBRANCH};name=machine \
git://git.yoctoproject.org/yocto-kernel-cache;type=kmeta;name=meta;branch=yocto-5.4;destsuffix=${KMETA}"
SRCREV_machine_qemuarm ?= "c65142e64f3d705d0b978b44394d274165d872b2"
SRCREV_machine ?= "d4bbfa0e2416ced1a3b4d05fa853e3171f034c57"
-SRCREV_meta ?= "70cec8c033a6f5c48f0a93374f0bfc25240f14fd"
+SRCREV_meta ?= "d676bf5ff7b7071e14f44498d2482c0a596f14cd"
PV = "${LINUX_VERSION}+git${SRCPV}"
SRCREV_machine_qemux86-64 ?= "d4bbfa0e2416ced1a3b4d05fa853e3171f034c57"
SRCREV_machine_qemumips64 ?= "e4714b9bb683cf08909e6dc2e91fd508e56bfbc2"
SRCREV_machine ?= "d4bbfa0e2416ced1a3b4d05fa853e3171f034c57"
-SRCREV_meta ?= "70cec8c033a6f5c48f0a93374f0bfc25240f14fd"
+SRCREV_meta ?= "d676bf5ff7b7071e14f44498d2482c0a596f14cd"
# remap qemuarm to qemuarma15 for the 5.4 kernel
# KMACHINE_qemuarm ?= "qemuarma15"