From: Bruce Ashfield <[email protected]>

5.10-stable included a backport of:

  Author: Eric W. Biederman <[email protected]>
  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 <[email protected]>
    Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
    Link: https://lkml.kernel.org/r/[email protected]
    Signed-off-by: Sasha Levin <[email protected]>

We implement a -rt variant to fix the build issues.

Signed-off-by: Bruce Ashfield <[email protected]>
---
 meta/recipes-kernel/linux/linux-yocto-rt_5.10.bb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/recipes-kernel/linux/linux-yocto-rt_5.10.bb 
b/meta/recipes-kernel/linux/linux-yocto-rt_5.10.bb
index c3c3325c5d..c855496fa2 100644
--- a/meta/recipes-kernel/linux/linux-yocto-rt_5.10.bb
+++ b/meta/recipes-kernel/linux/linux-yocto-rt_5.10.bb
@@ -11,7 +11,7 @@ python () {
         raise bb.parse.SkipRecipe("Set PREFERRED_PROVIDER_virtual/kernel to 
linux-yocto-rt to enable it")
 }
 
-SRCREV_machine ?= "9c3ab79db8ac20dac05125ef6e2a5f50ed7ebacf"
+SRCREV_machine ?= "7fa491ad298d663a0cb15570c00cfc203b041e83"
 SRCREV_meta ?= "31aece53a1ae191fc0efe41f53c342293f654d04"
 
 SRC_URI = 
"git://git.yoctoproject.org/linux-yocto.git;branch=${KBRANCH};name=machine \
-- 
2.19.1

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