diff mbox series

[V2] sched/rt, powerpc: Prepare for PREEMPT_RT

Message ID 1604995368-29649-1-git-send-email-wangqing@vivo.com (mailing list archive)
State Superseded, archived
Headers show
Series [V2] sched/rt, powerpc: Prepare for PREEMPT_RT | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch powerpc/merge (80ecbe16c827714ce3741ed1f1d34488b903e717)
snowpatch_ozlabs/build-ppc64le success Build succeeded
snowpatch_ozlabs/build-ppc64be success Build succeeded
snowpatch_ozlabs/build-ppc64e success Build succeeded
snowpatch_ozlabs/build-pmac32 success Build succeeded
snowpatch_ozlabs/checkpatch warning total: 0 errors, 1 warnings, 0 checks, 12 lines checked
snowpatch_ozlabs/needsstable success Patch has no Fixes tags

Commit Message

王擎 Nov. 10, 2020, 8:02 a.m. UTC
PREEMPT_RT is a separate preemption model, CONFIG_PRTTMPT will
 be disabled when CONFIG_PREEMPT_RT is enabled,  so you need
to add CONFIG_PREEMPT_RT judgments to __die().

Signed-off-by: Wang Qing <wangqing@vivo.com>

Changes in v2:
 - Modify as Christophe suggested.
---
 arch/powerpc/kernel/traps.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Greg KH Nov. 10, 2020, 8:10 a.m. UTC | #1
On Tue, Nov 10, 2020 at 04:02:47PM +0800, Wang Qing wrote:
> PREEMPT_RT is a separate preemption model, CONFIG_PRTTMPT will

Minor typo on this line with your config option :(
diff mbox series

Patch

diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 5006dcb..dec7b81
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -262,10 +262,11 @@  static int __die(const char *str, struct pt_regs *regs, long err)
 {
 	printk("Oops: %s, sig: %ld [#%d]\n", str, err, ++die_counter);
 
-	printk("%s PAGE_SIZE=%luK%s%s%s%s%s%s %s\n",
+	printk("%s PAGE_SIZE=%luK%s%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" : "",
+	       IS_ENABLED(CONFIG_PREEMPT_RT) ? " PREEMPT_RT" : "",
 	       IS_ENABLED(CONFIG_SMP) ? " SMP" : "",
 	       IS_ENABLED(CONFIG_SMP) ? (" NR_CPUS=" __stringify(NR_CPUS)) : "",
 	       debug_pagealloc_enabled() ? " DEBUG_PAGEALLOC" : "",