Hi Heiko,
On 10/02/18 16:23, Heiko Stuebner wrote:
> Hi Marc,
>
> Am Samstag, 10. Februar 2018, 15:35:01 CET schrieb Marc Zyngier:
>> The rockchip DRM driver is quite careful to disable interrupts
>> when taking a lock that is also taken in interrupt context,
>> which is a good thing.
>>
>> What
The rockchip DRM driver is quite careful to disable interrupts
when taking a lock that is also taken in interrupt context,
which is a good thing.
What is a bit over the top is to use spin_lock_irqsave when
already in interrupt context, as you cannot take another
interrupt again, and disabling
Hi Marc,
Am Samstag, 10. Februar 2018, 15:35:01 CET schrieb Marc Zyngier:
> The rockchip DRM driver is quite careful to disable interrupts
> when taking a lock that is also taken in interrupt context,
> which is a good thing.
>
> What is a bit over the top is to use spin_lock_irqsave when
>