Re: [PATCH v2 0/3] arm_arch_timer: VDSO preparation, code consolidation

Will Deacon
2014-09-22T15:39:17Z

On Thu, Sep 18, 2014 at 03:59:32PM +0100, Nathan Lynch wrote:
> This series contains the necessary changes to allow architected timer
> access from user-space on 32-bit ARM. This allows the VDSO to support
> high resolution timestamps for clock_gettime and gettimeofday. This
> also merges substantially similar code from arm and arm64 into the
> core arm_arch_timer driver.
>
> The functional changes are:
> - When available, CNTVCT is made readable by user space on arm, as it
> is on arm64.
> - The clocksource name becomes "arch_mem_counter" if CP15 access to
> the counter is not available.
>
> These changes have been carried as part of the ARM VDSO patch set over
> the last several months, but I am splitting them out here as I assume
> they should go through the clocksource maintainers.

For the series:

Acked-by: Will Deacon <will.deacon@arm.com>

I'm not sure which tree the arch-timer stuff usually goes through, but
the arm/arm64 bits look fine so I'm happy for them to merged together.

Will