[ANNOUNCE] 5.4.143-rt64

From: Tom Zanussi
Date: Fri Sep 10 2021 - 16:21:28 EST


Hello RT Folks!

I'm pleased to announce the 5.4.143-rt64 stable release.

You can get this release via the git tree at:

git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git

branch: v5.4-rt
Head SHA1: f30e118c1cde0ba5319bd707b88bd9106284f6be

Or to build 5.4.143-rt64 directly, the following patches should be applied:

https://www.kernel.org/pub/linux/kernel/v5.x/linux-5.4.tar.xz

https://www.kernel.org/pub/linux/kernel/v5.x/patch-5.4.143.xz

https://www.kernel.org/pub/linux/kernel/projects/rt/5.4/patch-5.4.143-rt64.patch.xz


You can also build from 5.4.143-rt63 by applying the incremental patch:

https://www.kernel.org/pub/linux/kernel/projects/rt/5.4/incr/patch-5.4.143-rt63-rt64.patch.xz

Enjoy!

Tom

Changes from v5.4.143-rt63:
---

Andrew Halaney (1):
locking/rwsem-rt: Remove might_sleep() in __up_read()

Gregor Beck (1):
fscache: fix initialisation of cookie hash table raw spinlocks

Tom Zanussi (1):
Linux 5.4.143-rt64
---
fs/fscache/cookie.c | 2 +-
kernel/locking/rwsem-rt.c | 1 -
localversion-rt | 2 +-
3 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index 5508d92e3f8f..cba2a226897f 100644
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -963,6 +963,6 @@ void __init fscache_cookie_init(void)
{
int i;

- for (i = 0; i < (1 << fscache_cookie_hash_shift) - 1; i++)
+ for (i = 0; i < ARRAY_SIZE(fscache_cookie_hash); i++)
INIT_HLIST_BL_HEAD(&fscache_cookie_hash[i]);
}
diff --git a/kernel/locking/rwsem-rt.c b/kernel/locking/rwsem-rt.c
index 19ea20be3fd7..966946454ced 100644
--- a/kernel/locking/rwsem-rt.c
+++ b/kernel/locking/rwsem-rt.c
@@ -200,7 +200,6 @@ void __up_read(struct rw_semaphore *sem)
if (!atomic_dec_and_test(&sem->readers))
return;

- might_sleep();
raw_spin_lock_irq(&m->wait_lock);
/*
* Wake the writer, i.e. the rtmutex owner. It might release the
diff --git a/localversion-rt b/localversion-rt
index b0e8dd7bd707..10474042df49 100644
--- a/localversion-rt
+++ b/localversion-rt
@@ -1 +1 @@
--rt63
+-rt64