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authorMikulas Patocka <mpatocka@redhat.com>2018-01-02 14:00:32 -0500
committerMatt Turner <mattst88@gmail.com>2018-01-20 17:01:13 -0800
commit4b01abdb32fc36abe877503bfbd33019159fad71 (patch)
treede56467ae09e68371e83e7a519d5baa451695a46 /arch/alpha
parent55fc633c41a08ce9244ff5f528f420b16b1e04d6 (diff)
alpha: fix formating of stack content
Since version 4.9, the kernel automatically breaks printk calls into multiple newlines unless pr_cont is used. Fix the alpha stacktrace code, so that it prints stack trace in four columns, as it was initially intended. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org # v4.9+ Signed-off-by: Matt Turner <mattst88@gmail.com>
Diffstat (limited to 'arch/alpha')
-rw-r--r--arch/alpha/kernel/traps.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index 4bd99a7b1c41..f43bd05dede2 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -160,11 +160,16 @@ void show_stack(struct task_struct *task, unsigned long *sp)
for(i=0; i < kstack_depth_to_print; i++) {
if (((long) stack & (THREAD_SIZE-1)) == 0)
break;
- if (i && ((i % 4) == 0))
- printk("\n ");
- printk("%016lx ", *stack++);
+ if ((i % 4) == 0) {
+ if (i)
+ pr_cont("\n");
+ printk(" ");
+ } else {
+ pr_cont(" ");
+ }
+ pr_cont("%016lx", *stack++);
}
- printk("\n");
+ pr_cont("\n");
dik_show_trace(sp);
}