x86/traps: Document do_spurious_interrupt_bug()

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Add a comment which explains why this empty handler for a reserved vector
exists.

Requested-by: Josh Poimboeuf <jpoimboe@redhat.com>

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/20200225220216.624165786@linutronix.de

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Thomas Gleixner 2020-02-25 22:36:41 +01:00

parent e039dd8159

commit d244d0e195

1 changed files with 19 additions and 0 deletions

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arch/x86/kernel/traps.c

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