Re: [RFC PATCH 0/2] irqchip: GIC: check and clear GIC interupt active status

2014-07-14 Thread Will Deacon
On Mon, Jul 14, 2014 at 04:22:26AM +0100, Liu hua wrote: > On 2014/7/11 20:35, Will Deacon wrote: > > On Fri, Jul 11, 2014 at 07:46:15AM +0100, Liu Hua wrote: > >> So guys, Do you know a better way to do that? > > What happens if, in the crash kernel, you disable the CPU interfaces > > (GICC_CTLR.

Re: [RFC PATCH 0/2] irqchip: GIC: check and clear GIC interupt active status

2014-07-13 Thread Liu hua
On 2014/7/11 20:35, Will Deacon wrote: > [adding Marc] > > On Fri, Jul 11, 2014 at 07:46:15AM +0100, Liu Hua wrote: >> For this version of GIC codes, kernel assumes that all the interrupt >> status of GIC is inactive. So the kernel does not check this when >> booting. >> >> This is no problem on

Re: [RFC PATCH 0/2] irqchip: GIC: check and clear GIC interupt active status

2014-07-11 Thread Will Deacon
[adding Marc] On Fri, Jul 11, 2014 at 07:46:15AM +0100, Liu Hua wrote: > For this version of GIC codes, kernel assumes that all the interrupt > status of GIC is inactive. So the kernel does not check this when > booting. > > This is no problem on must sitations. But when kdump is deplayed. > And