diff options
| author | Tom Lendacky <[email protected]> | 2017-11-01 16:54:26 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2017-11-07 11:16:14 +0000 |
| commit | c5e260890d5fd6687287f2b532c738a359a61a82 (patch) | |
| tree | 7b646613b2ea81397208b14ff7cbba76ae71ae0b /mm/sparse.c | |
| parent | mm/sparsemem: Fix ARM64 boot crash when CONFIG_SPARSEMEM_EXTREME=y (diff) | |
| download | kernel-c5e260890d5fd6687287f2b532c738a359a61a82.tar.gz kernel-c5e260890d5fd6687287f2b532c738a359a61a82.zip | |
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]>
Diffstat (limited to 'mm/sparse.c')
0 files changed, 0 insertions, 0 deletions