Re: [PATCH v2] irqchip/gic-v3-its: Add workaround for ThunderX2 erratum #174

2018-02-20 Thread Marc Zyngier
On Mon, 19 Feb 2018 21:12:10 +, Jayachandran C wrote: > > On Sun, Jan 21, 2018 at 11:35:34AM +, Marc Zyngier wrote: > > On Sun, 21 Jan 2018 07:00:48 +, > > Jayachandran C wrote: > > > > > > On Thu, Jan 18, 2018 at 10:58:20AM +0530, Ganapatrao Kulkarni wrote: > > > > This erratum is ob

Re: [PATCH v2] irqchip/gic-v3-its: Add workaround for ThunderX2 erratum #174

2018-02-19 Thread Jayachandran C
On Sun, Jan 21, 2018 at 11:35:34AM +, Marc Zyngier wrote: > On Sun, 21 Jan 2018 07:00:48 +, > Jayachandran C wrote: > > > > On Thu, Jan 18, 2018 at 10:58:20AM +0530, Ganapatrao Kulkarni wrote: > > > This erratum is observed on the ThunderX2 GICv3 ITS. When a > > > MOVI command is used to c

Re: [PATCH v2] irqchip/gic-v3-its: Add workaround for ThunderX2 erratum #174

2018-01-21 Thread Marc Zyngier
On Sun, 21 Jan 2018 07:00:48 +, Jayachandran C wrote: > > On Thu, Jan 18, 2018 at 10:58:20AM +0530, Ganapatrao Kulkarni wrote: > > This erratum is observed on the ThunderX2 GICv3 ITS. When a > > MOVI command is used to change affinity of a LPI to a collection/cpu > > on another node, the LPI i

Re: [PATCH v2] irqchip/gic-v3-its: Add workaround for ThunderX2 erratum #174

2018-01-20 Thread Jayachandran C
On Thu, Jan 18, 2018 at 10:58:20AM +0530, Ganapatrao Kulkarni wrote: > This erratum is observed on the ThunderX2 GICv3 ITS. When a > MOVI command is used to change affinity of a LPI to a collection/cpu > on another node, the LPI is not delivered to the cpu. > An additional INV command is required a

Re: [PATCH v2] irqchip/gic-v3-its: Add workaround for ThunderX2 erratum #174

2018-01-19 Thread Ganapatrao Kulkarni
On Fri, Jan 19, 2018 at 5:53 PM, Marc Zyngier wrote: > On 18/01/18 05:28, Ganapatrao Kulkarni wrote: >> This erratum is observed on the ThunderX2 GICv3 ITS. When a >> MOVI command is used to change affinity of a LPI to a collection/cpu >> on another node, the LPI is not delivered to the cpu. >> An

Re: [PATCH v2] irqchip/gic-v3-its: Add workaround for ThunderX2 erratum #174

2018-01-19 Thread Marc Zyngier
On 18/01/18 05:28, Ganapatrao Kulkarni wrote: > This erratum is observed on the ThunderX2 GICv3 ITS. When a > MOVI command is used to change affinity of a LPI to a collection/cpu > on another node, the LPI is not delivered to the cpu. > An additional INV command is required after the MOVI to delive

[PATCH v2] irqchip/gic-v3-its: Add workaround for ThunderX2 erratum #174

2018-01-17 Thread Ganapatrao Kulkarni
This erratum is observed on the ThunderX2 GICv3 ITS. When a MOVI command is used to change affinity of a LPI to a collection/cpu on another node, the LPI is not delivered to the cpu. An additional INV command is required after the MOVI to deliver the LPI to the new destination. If we add INV after