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locking/jump_labels: Update bug_at() boot message

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First of all, %*ph specifier allows to dump data in hex format using the
pointer to a buffer. This is suitable to use here.

Besides that Thomas suggested to move it to critical level and replace __FILE__
by explicit mention of "jumplabel".

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170110164354.47372-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Andy Shevchenko 2017-01-10 18:43:54 +02:00 committed by Ingo Molnar
parent 75437bb304
commit 6e03f66c00
1 changed files with 1 additions and 2 deletions
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arch/x86/kernel/jump_label.c
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@ -32,8 +32,7 @@ static void bug_at(unsigned char *ip, int line)
* Something went wrong. Crash the box, as something could be
* corrupting the kernel.
*/
pr_warning("Unexpected op at %pS [%p] (%02x %02x %02x %02x %02x) %s:%d\n",
ip, ip, ip[0], ip[1], ip[2], ip[3], ip[4], __FILE__, line);
pr_crit("jump_label: Fatal kernel bug, unexpected op at %pS [%p] (%5ph) %d\n", ip, ip, ip, line);
BUG();
}