diff options
Diffstat (limited to 'debian/patches-rt/0225-panic-skip-get_random_bytes-for-RT_FULL-in-init_oops.patch')
| -rw-r--r-- | debian/patches-rt/0225-panic-skip-get_random_bytes-for-RT_FULL-in-init_oops.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/debian/patches-rt/0225-panic-skip-get_random_bytes-for-RT_FULL-in-init_oops.patch b/debian/patches-rt/0225-panic-skip-get_random_bytes-for-RT_FULL-in-init_oops.patch new file mode 100644 index 000000000..855ce6928 --- /dev/null +++ b/debian/patches-rt/0225-panic-skip-get_random_bytes-for-RT_FULL-in-init_oops.patch @@ -0,0 +1,34 @@ +From bc8c16173e79b830e1fb430fc0169dd04b8bbee8 Mon Sep 17 00:00:00 2001 +From: Thomas Gleixner <tglx@linutronix.de> +Date: Tue, 14 Jul 2015 14:26:34 +0200 +Subject: [PATCH 225/347] panic: skip get_random_bytes for RT_FULL in + init_oops_id +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz + +Disable on -RT. If this is invoked from irq-context we will have problems +to acquire the sleeping lock. + +Signed-off-by: Thomas Gleixner <tglx@linutronix.de> +--- + kernel/panic.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/kernel/panic.c b/kernel/panic.c +index 8138a676fb7d..fa114be5c30f 100644 +--- a/kernel/panic.c ++++ b/kernel/panic.c +@@ -480,9 +480,11 @@ static u64 oops_id; + + static int init_oops_id(void) + { ++#ifndef CONFIG_PREEMPT_RT_FULL + if (!oops_id) + get_random_bytes(&oops_id, sizeof(oops_id)); + else ++#endif + oops_id++; + + return 0; +-- +2.36.1 + |