[PATCH 2/5] powerpc: Fix vDSO clock_getres()

[Vincenzo Frascino]

Hi Christophe,

thank you for your review.

On 02/04/2019 06:54, Christophe Leroy wrote:
> 
> 
> On 04/01/2019 11:51 AM, Vincenzo Frascino wrote:
>> clock_getres in the vDSO library has to preserve the same behaviour
>> of posix_get_hrtimer_res().
>>
>> In particular, posix_get_hrtimer_res() does:
>>      sec = 0;
>>      ns = hrtimer_resolution;
>> and hrtimer_resolution depends on the enablement of the high
>> resolution timers that can happen either at compile or at run time.
>>
>> Fix the powerpc vdso implementation of clock_getres keeping a copy of
>> hrtimer_resolution in vdso data and using that directly.
>>
>> Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
>> Cc: Paul Mackerras <paulus at samba.org>
>> Cc: Michael Ellerman <mpe at ellerman.id.au>
>> Signed-off-by: Vincenzo Frascino <vincenzo.frascino at arm.com>
>> ---
>>   arch/powerpc/include/asm/vdso_datapage.h  |  2 ++
> 
> Conflicts with commit b5b4453e7912 ("powerpc/vdso64: Fix CLOCK_MONOTONIC 
> inconsistencies across Y2038")
> 

Thanks for pointing this out, I will rebase my code on top of the latest version
before reissuing v2.

...

-- 
Regards,
Vincenzo