On Tue, Jun 16, 2020 at 12:11:17PM +0200, Krzysztof Kozlowski wrote: > On Mon, Jun 15, 2020 at 01:08:44PM +0100, Mark Brown wrote: > > On Mon, Jun 15, 2020 at 10:07:19AM +0200, Krzysztof Kozlowski wrote: > > > Testing events during freeing of disabled shared interrupts > > > (CONFIG_DEBUG_SHIRQ) leads to false positives. The driver disabled > > > interrupts on purpose to be sure that they will not fire during device > > > removal. > > Surely the whole issue with shared IRQs that's being tested for here is > > that when the interrupt is shared some other device connected to the > > same interrupt line may trigger an interrupt regardless of what's going > > on with this device? > Yes. However if that device disabled the interrupt, it should not be > fired for other users. In such case the testing does not point to a > real issue. To be honest I'd say that if you're disabling a shared interrupt that's a bit of an issue regardless of anything else that's going on, it'll disrupt other devices connected to it.
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