linux/arch/arm64/include/asm/vdso
Joey Gouly 9025cebf12 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>
2022-09-09 12:27:25 +01:00
..
clocksource.h arm64: Introduce a way to disable the 32bit vdso 2020-07-08 21:57:51 +01:00
compat_barrier.h arm64: vdso32: drop test for -march=armv8-a 2021-10-21 10:31:38 +01:00
compat_gettimeofday.h lib/vdso: Add vdso_data pointer as input to __arch_get_timens_vdso_data() 2021-04-14 23:04:44 +10:00
gettimeofday.h arm64: vdso: use SYS_CNTVCTSS_EL0 for gettimeofday 2022-09-09 12:27:25 +01:00
processor.h arm64: Introduce asm/vdso/processor.h 2020-03-21 15:24:01 +01:00
vsyscall.h ARM/arm64: vdso: Use common vdso clock mode storage 2020-02-17 20:12:16 +01:00