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Diffstat (limited to '')
| -rw-r--r-- | debian/patches-rt/0042-locking-Disable-spin-on-owner-for-RT.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/debian/patches-rt/0042-locking-Disable-spin-on-owner-for-RT.patch b/debian/patches-rt/0042-locking-Disable-spin-on-owner-for-RT.patch new file mode 100644 index 000000000..f17f2534e --- /dev/null +++ b/debian/patches-rt/0042-locking-Disable-spin-on-owner-for-RT.patch @@ -0,0 +1,38 @@ +From 08935fef7d8bf9943412aabcac4133066923333f Mon Sep 17 00:00:00 2001 +From: Thomas Gleixner <tglx@linutronix.de> +Date: Sun, 17 Jul 2011 21:51:45 +0200 +Subject: [PATCH 042/347] locking: Disable spin on owner for RT +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz + +Drop spin on owner for mutex / rwsem. We are most likely not using it +but… + +Signed-off-by: Thomas Gleixner <tglx@linutronix.de> +--- + kernel/Kconfig.locks | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks +index 84d882f3e299..af27c4000812 100644 +--- a/kernel/Kconfig.locks ++++ b/kernel/Kconfig.locks +@@ -225,11 +225,11 @@ config ARCH_SUPPORTS_ATOMIC_RMW + + config MUTEX_SPIN_ON_OWNER + def_bool y +- depends on SMP && ARCH_SUPPORTS_ATOMIC_RMW ++ depends on SMP && ARCH_SUPPORTS_ATOMIC_RMW && !PREEMPT_RT_FULL + + config RWSEM_SPIN_ON_OWNER + def_bool y +- depends on SMP && RWSEM_XCHGADD_ALGORITHM && ARCH_SUPPORTS_ATOMIC_RMW ++ depends on SMP && RWSEM_XCHGADD_ALGORITHM && ARCH_SUPPORTS_ATOMIC_RMW && !PREEMPT_RT_FULL + + config LOCK_SPIN_ON_OWNER + def_bool y +-- +2.36.1 + |