On Sun, Jun 4, 2017 at 11:52 AM, Thomas Gleixner wrote:
> On Wed, 31 May 2017, John Stultz wrote:
>>
>> The one exception where this helper isn't necessary is for the
>> fast-timekepers which use their own locking and update logic
>> to the tkr structures.
>
> That's simply wrong. The fast time ke
On Wed, 31 May 2017, John Stultz wrote:
> In some testing on arm64 platforms, I was seeing null ptr
> crashes in the kselftest/timers clocksource-switch test.
>
> This was happening in a read function like:
> u64 clocksource_mmio_readl_down(struct clocksource *c)
> {
> return ~(u64)readl_rela
In some testing on arm64 platforms, I was seeing null ptr
crashes in the kselftest/timers clocksource-switch test.
This was happening in a read function like:
u64 clocksource_mmio_readl_down(struct clocksource *c)
{
return ~(u64)readl_relaxed(to_mmio_clksrc(c)->reg) & c->mask;
}
Where the cal
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