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powerpc: traps: Use PREEMPT_RT

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BugLink: https://bugs.launchpad.net/bugs/2060704

Add PREEMPT_RT to the backtrace if enabled.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kevin Becker <kevin.becker@canonical.com>
This commit is contained in:
Sebastian Andrzej Siewior
2019-07-26 11:30:49 +02:00
committed by Kevin Becker
parent 856d8a0101
commit 3d73855a12
1 changed files with 6 additions and 1 deletions
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arch/powerpc/kernel/traps.c
+6 -1
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@@ -261,12 +261,17 @@ 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" : "",