Re: [PATCH 1/3] arm64/kernel: FIQ support

2021-01-20 Thread Mohamed Mediouni
> On 20 Jan 2021, at 14:16, Marc Zyngier wrote: > > Hi Mohamed, > > On 2021-01-20 11:36, Mohamed Mediouni wrote: >> From: Stan Skowronek >> On Apple processors, the timer is wired through FIQ. > > Which timer? There are at least 3, potentially 4 timers per CPU > that can fire. This is

Re: [PATCH 1/3] arm64/kernel: FIQ support

2021-01-20 Thread Marc Zyngier
Hi Mohamed, On 2021-01-20 11:36, Mohamed Mediouni wrote: From: Stan Skowronek On Apple processors, the timer is wired through FIQ. Which timer? There are at least 3, potentially 4 timers per CPU that can fire. As such, add FIQ support to the kernel. Signed-off-by: Stan Skowronek

[PATCH 1/3] arm64/kernel: FIQ support

2021-01-20 Thread Mohamed Mediouni
From: Stan Skowronek On Apple processors, the timer is wired through FIQ. As such, add FIQ support to the kernel. Signed-off-by: Stan Skowronek --- arch/arm64/include/asm/arch_gicv3.h | 2 +- arch/arm64/include/asm/assembler.h | 8 ++-- arch/arm64/include/asm/daifflags.h | 4 +-