x86/mm/cpa: Optimize __cpa_flush_range()

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If we IPI for WBINDV, then we might as well kill the entire TLB too.
But if we don't have to invalidate cache, there is no reason not to
use a range TLB flush.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Dave Hansen <dave.hansen@intel.com>
Cc: Bin Yang <bin.yang@intel.com>
Cc: Mark Gross <mark.gross@intel.com>
Link: https://lkml.kernel.org/r/20180919085948.195633798@infradead.org

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Peter Zijlstra 2018-09-19 10:50:24 +02:00 • committed by Thomas Gleixner

parent 47e262ac5b

commit 7904ba8a66

1 changed files with 1 additions and 1 deletions

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arch/x86/mm/pageattr.c

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