diff options
Diffstat (limited to 'debian/patches-rt/0175-x86-fpu-Disable-preemption-around-local_bh_disable.patch')
| -rw-r--r-- | debian/patches-rt/0175-x86-fpu-Disable-preemption-around-local_bh_disable.patch | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/debian/patches-rt/0175-x86-fpu-Disable-preemption-around-local_bh_disable.patch b/debian/patches-rt/0175-x86-fpu-Disable-preemption-around-local_bh_disable.patch index 2c386a391..be7a2f708 100644 --- a/debian/patches-rt/0175-x86-fpu-Disable-preemption-around-local_bh_disable.patch +++ b/debian/patches-rt/0175-x86-fpu-Disable-preemption-around-local_bh_disable.patch @@ -1,7 +1,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Tue, 11 Dec 2018 15:10:33 +0100 -Subject: [PATCH 175/353] x86/fpu: Disable preemption around local_bh_disable() -Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=c9d155d7360346edcfd997c4f8857013a8c93466 +Subject: [PATCH 175/354] x86/fpu: Disable preemption around local_bh_disable() +Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=4dd3cc1c43c1bcc7763a2c7c010c40a76d292df8 __fpu__restore_sig() restores the content of the FPU state in the CPUs and in order to avoid concurency it disbles BH. On !RT it also disables |