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SubjectRe: [PATCH v2] kdb: use ktime_get_mono_fast_ns() instead of ktime_get_ts()
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On 01/30/2018 07:35 AM, Arnd Bergmann wrote:
> On Mon, Jan 29, 2018 at 3:22 AM, Baolin Wang <baolin.wang@linaro.org> wrote:
>> The kdb code will print the monotonic time by ktime_get_ts(), but
>> the ktime_get_ts() will be protected by a sequence lock, that will
>> introduce one deadlock risk if the lock was already held in the
>> context from which we entered the debugger.
>>
>> Thus we can use the ktime_get_mono_fast_ns() to get the monotonic
>> time, which is NMI safe access to clock monotonic. Moreover we can
>> remove the 'struct timespec', which is not y2038 safe.
>>
>> Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
>
> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
>


I'll add this in today, run some tests and it should be in the merge window.

Thanks,
Jason

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