Re: [PATCH 8/8] arm64: irq: allow FIQs to be handled

2021-02-19 Thread Mark Rutland
On Fri, Feb 19, 2021 at 03:37:25PM +, Joey Gouly wrote: > Hi Mark, > > On Fri, Feb 19, 2021 at 11:39:04AM +, Mark Rutland wrote: > > On contemporary platforms we don't use FIQ, and treat any stray FIQ as a > > fatal event. However, some platforms have an interrupt controller wired > > to

Re: [PATCH 8/8] arm64: irq: allow FIQs to be handled

2021-02-19 Thread Joey Gouly
Hi Mark, On Fri, Feb 19, 2021 at 11:39:04AM +, Mark Rutland wrote: > On contemporary platforms we don't use FIQ, and treat any stray FIQ as a > fatal event. However, some platforms have an interrupt controller wired > to FIQ, and need to handle FIQ as part of regular operation. > [...] >

[PATCH 8/8] arm64: irq: allow FIQs to be handled

2021-02-19 Thread Mark Rutland
On contemporary platforms we don't use FIQ, and treat any stray FIQ as a fatal event. However, some platforms have an interrupt controller wired to FIQ, and need to handle FIQ as part of regular operation. So that we can support both cases dynamically, this patch updates the FIQ exception