x86/mce: Remove duplicated tracing interrupt code
authorThomas Gleixner <tglx@linutronix.de>
Mon, 28 Aug 2017 06:47:28 +0000 (08:47 +0200)
committerIngo Molnar <mingo@kernel.org>
Tue, 29 Aug 2017 09:42:26 +0000 (11:42 +0200)
commit0f42ae283c9b3ebfa34cac6d86c335aa1ebe8ac1
tree323fe504f862f71a7cbe5f0e84b391afee8cae2f
parentdaabb8eb9a55af90d0a55d93547a51cc6921389f
x86/mce: Remove duplicated tracing interrupt code

Machine checks are not really high frequency events. The extra two NOP5s for
the disabled tracepoints are noise vs. the heavy lifting which needs to be
done in the MCE handler.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20170828064957.144301907@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/include/asm/hw_irq.h
arch/x86/kernel/cpu/mcheck/mce_amd.c
arch/x86/kernel/cpu/mcheck/therm_throt.c
arch/x86/kernel/cpu/mcheck/threshold.c