在 2021/4/7 16:40, Greg KH 写道:
Maybe you can referencethis tag https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/tag/?h=irq-no-autoen-2021-03-25On Wed, Apr 07, 2021 at 04:29:59PM +0800, tiantao (H) wrote: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()That's great, but note that linux-next is a combined tree of all subsystem trees. It's impossible for a subsystem tree to include linux-next :)
So how about we wait until this gets into Linus's tree so that we do not all suddenly get problems in our individual subsystem trees. thanks, greg k-h .
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