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authorTom Lendacky <thomas.lendacky@amd.com>2017-11-01 11:54:26 -0500
committerIngo Molnar <mingo@kernel.org>2017-11-07 12:16:14 +0100
commitc5e260890d5fd6687287f2b532c738a359a61a82 (patch)
tree7b646613b2ea81397208b14ff7cbba76ae71ae0b /mm/sparse.c
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 <dave.hansen@intel.com> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Reviewed-by: Borislav Petkov <bp@suse.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20171101165426.1388.24866.stgit@tlendack-t1.amdoffice.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/sparse.c')
0 files changed, 0 insertions, 0 deletions