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authorTom Lendacky <[email protected]>2017-11-01 11:54:26 -0500
committerIngo Molnar <[email protected]>2017-11-07 12:16:14 +0100
commitc5e260890d5fd6687287f2b532c738a359a61a82 (patch)
tree7b646613b2ea81397208b14ff7cbba76ae71ae0b /tools/perf/scripts/python/call-graph-from-sql.py
parent629a359bdb0e0652a8227b4ff3125431995fec6e (diff)
x86/mm: Remove unnecessary TLB flush for SME in-place encryption
A TLB flush is not required when doing in-place encryption or decryption since the area's pagetable attributes are not being altered. To avoid confusion between what the routine is doing and what is documented in the AMD APM, delete the local_flush_tlb() call. Suggested-by: Dave Hansen <[email protected]> Signed-off-by: Tom Lendacky <[email protected]> Reviewed-by: Borislav Petkov <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
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