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authorThomas Gleixner <tglx@linutronix.de>2017-08-28 08:47:22 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-29 11:42:23 +0200
commit11a7ffb01703c3bbb1e9b968893f4487a1b0b5a8 (patch)
tree938e6fb9f52b79afbf4a8d25eac25cfa5d315178 /Documentation/platform
parent2feb1b316d48004d905278c02a55902cab0be8be (diff)
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x86/traps: Simplify pagefault tracing logic
Make use of the new irqvector tracing static key and remove the duplicated trace_do_pagefault() implementation. If irq vector tracing is disabled, then the overhead of this is a single NOP5, which is a reasonable tradeoff to avoid duplicated code and the unholy macro mess. 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/20170828064956.672965407@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
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