在 2021/4/7 16:22, Greg KH 写道:
On Wed, Apr 07, 2021 at 02:50:03PM +0800, Tian Tao wrote:disable_irq() after request_irq() still has a time gap in which interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable because of requesting. this patch is made base on "add IRQF_NO_AUTOEN for request_irq" which is being merged: https://lore.kernel.org/patchwork/patch/1388765/Can you wait until that is merged before sending this out to us as we can't do anything until then.
this is already in linux-next.git. cbe16f3 genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()
thanks, greg k-h .
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