x86/jump-label: Do not bother updating nops if they are correct

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On boot up, the jump label init function scans all the jump label locations
and converts them to the best nop for the machine. If the nop is already
the ideal nop, do not bother with changing it.

Cc: Jason Baron <jbaron@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

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Steven Rostedt 2012-01-26 18:16:15 -05:00 • committed by Steven Rostedt

parent c3c7f14a11

commit 11570da1c5

1 changed files with 24 additions and 1 deletions

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arch/x86/kernel/jump_label.c

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