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um: Clean up stacktrace dump

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[ Upstream commit 273fe1b676cb59d41e177980a981e27806872954 ]

We currently get a few stray newlines, due to the interaction
between printk() and the code here. Remove a few explicit
newline prints to neaten the output.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Stable-dep-of: 0f659ff362ea ("um: Always dump trace for specified task in show_stack")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Johannes Berg 2020-09-21 13:43:25 +02:00 • committed by Greg Kroah-Hartman
parent abf08999d9
commit 115e3e51b1
1 changed files with 1 additions and 3 deletions
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4
arch/um/kernel/sysrq.c
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@ -47,14 +47,12 @@ void show_stack_loglvl(struct task_struct *task, unsigned long *stack,
if (kstack_end(stack))
break;
if (i && ((i % STACKSLOTS_PER_LINE) == 0))
printk("%s\n", loglvl);
pr_cont("\n");
pr_cont(" %08lx", *stack++);
}
printk("%s\n", loglvl);
printk("%sCall Trace:\n", loglvl);
dump_trace(current, &stackops, (void *)loglvl);
printk("%s\n", loglvl);
}
void show_stack(struct task_struct *task, unsigned long *stack)