diff options
| author | Joey Gouly <joey.gouly@arm.com> | 2022-08-30 11:48:33 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2022-09-09 12:27:25 +0100 |
| commit | 9025cebf12d1763de36d5e09e2b0a1e4f9b13b28 (patch) | |
| tree | a09684f0d2d76fce16058feab394db7fcca90453 /arch/arm64/include/uapi | |
| parent | 4e3bca8f7cdd3b658ee7ad700fdce95b5e13a441 (diff) | |
arm64: vdso: use SYS_CNTVCTSS_EL0 for gettimeofday
If FEAT_ECV is implemented, the self-synchronized counter CNTVCTSS_EL0 can
be used, removing the need for an ISB.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Andre Przywara <andre.przywara@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220830104833.34636-4-joey.gouly@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/uapi')
0 files changed, 0 insertions, 0 deletions