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-rw-r--r--debian/patches-rt/0275-powerpc-traps-Use-PREEMPT_RT.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/debian/patches-rt/0275-powerpc-traps-Use-PREEMPT_RT.patch b/debian/patches-rt/0275-powerpc-traps-Use-PREEMPT_RT.patch
new file mode 100644
index 000000000..75ece9602
--- /dev/null
+++ b/debian/patches-rt/0275-powerpc-traps-Use-PREEMPT_RT.patch
@@ -0,0 +1,39 @@
+From 25b6e91e812b8fe81cda3732be60b3d8402fee43 Mon Sep 17 00:00:00 2001
+From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+Date: Fri, 26 Jul 2019 11:30:49 +0200
+Subject: [PATCH 275/323] powerpc: traps: Use PREEMPT_RT
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz
+
+Add PREEMPT_RT to the backtrace if enabled.
+
+Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+---
+ arch/powerpc/kernel/traps.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
+index d39a4a6b4ddf..75a6c83299ad 100644
+--- a/arch/powerpc/kernel/traps.c
++++ b/arch/powerpc/kernel/traps.c
+@@ -259,12 +259,17 @@ static char *get_mmu_str(void)
+
+ static int __die(const char *str, struct pt_regs *regs, long err)
+ {
++ const char *pr = "";
++
+ printk("Oops: %s, sig: %ld [#%d]\n", str, err, ++die_counter);
+
++ if (IS_ENABLED(CONFIG_PREEMPTION))
++ pr = IS_ENABLED(CONFIG_PREEMPT_RT) ? " PREEMPT_RT" : " PREEMPT";
++
+ printk("%s PAGE_SIZE=%luK%s%s%s%s%s%s %s\n",
+ IS_ENABLED(CONFIG_CPU_LITTLE_ENDIAN) ? "LE" : "BE",
+ PAGE_SIZE / 1024, get_mmu_str(),
+- IS_ENABLED(CONFIG_PREEMPT) ? " PREEMPT" : "",
++ pr,
+ IS_ENABLED(CONFIG_SMP) ? " SMP" : "",
+ IS_ENABLED(CONFIG_SMP) ? (" NR_CPUS=" __stringify(NR_CPUS)) : "",
+ debug_pagealloc_enabled() ? " DEBUG_PAGEALLOC" : "",
+--
+2.43.0
+