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| author | Philip Elcan <pelcan@codeaurora.org> | 2018-03-27 21:55:32 -0400 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2018-03-28 15:20:17 +0100 |
| commit | 7f170499f734c417290518aa50cac11953bf8161 (patch) | |
| tree | 57430fc906fc301e499c2beadb8df75b1c6f50be /arch/s390 | |
| parent | 2a58fca9a7b4a3953c3e983ef80e36df85293a7c (diff) | |
| download | lwn-7f170499f734c417290518aa50cac11953bf8161.tar.gz lwn-7f170499f734c417290518aa50cac11953bf8161.zip | |
arm64: tlbflush: avoid writing RES0 bits
Several of the bits of the TLBI register operand are RES0 per the ARM
ARM, so TLBI operations should avoid writing non-zero values to these
bits.
This patch adds a macro __TLBI_VADDR(addr, asid) that creates the
operand register in the correct format and honors the RES0 bits.
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Philip Elcan <pelcan@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/s390')
0 files changed, 0 insertions, 0 deletions