Re: [PATCH v2 0/6] spapr/xive: Activate StoreEOI in P10 compat guests

2020-11-23 Thread Cédric Le Goater
On 11/23/20 7:44 AM, David Gibson wrote: > On Mon, Nov 02, 2020 at 02:22:35PM +0100, Cédric Le Goater wrote: >> Sorry for the late answer I was out for a couple of weeks. >> >> On 10/9/20 2:23 AM, David Gibson wrote: >>> On Mon, Oct 05, 2020 at 06:51:41PM +0200, Cédric Le Goater wrote: Hello,

Re: [PATCH v2 0/6] spapr/xive: Activate StoreEOI in P10 compat guests

2020-11-22 Thread David Gibson
On Mon, Nov 02, 2020 at 02:22:35PM +0100, Cédric Le Goater wrote: > Sorry for the late answer I was out for a couple of weeks. > > On 10/9/20 2:23 AM, David Gibson wrote: > > On Mon, Oct 05, 2020 at 06:51:41PM +0200, Cédric Le Goater wrote: > >> Hello, > >> > >> When an interrupt has been handled,

Re: [PATCH v2 0/6] spapr/xive: Activate StoreEOI in P10 compat guests

2020-11-02 Thread Cédric Le Goater
Sorry for the late answer I was out for a couple of weeks. On 10/9/20 2:23 AM, David Gibson wrote: > On Mon, Oct 05, 2020 at 06:51:41PM +0200, Cédric Le Goater wrote: >> Hello, >> >> When an interrupt has been handled, the OS notifies the interrupt >> controller with an EOI sequence. On the XIVE i

Re: [PATCH v2 0/6] spapr/xive: Activate StoreEOI in P10 compat guests

2020-10-11 Thread David Gibson
On Fri, Oct 09, 2020 at 07:57:32AM +0200, Cédric Le Goater wrote: > On 10/9/20 2:23 AM, David Gibson wrote: > > On Mon, Oct 05, 2020 at 06:51:41PM +0200, Cédric Le Goater wrote: > >> Hello, > >> > >> When an interrupt has been handled, the OS notifies the interrupt > >> controller with an EOI seque

Re: [PATCH v2 0/6] spapr/xive: Activate StoreEOI in P10 compat guests

2020-10-08 Thread Cédric Le Goater
On 10/9/20 2:23 AM, David Gibson wrote: > On Mon, Oct 05, 2020 at 06:51:41PM +0200, Cédric Le Goater wrote: >> Hello, >> >> When an interrupt has been handled, the OS notifies the interrupt >> controller with an EOI sequence. On the XIVE interrupt controller >> (POWER9 and POWER10), this can be don

Re: [PATCH v2 0/6] spapr/xive: Activate StoreEOI in P10 compat guests

2020-10-08 Thread David Gibson
On Mon, Oct 05, 2020 at 06:51:41PM +0200, Cédric Le Goater wrote: > Hello, > > When an interrupt has been handled, the OS notifies the interrupt > controller with an EOI sequence. On the XIVE interrupt controller > (POWER9 and POWER10), this can be done with a load or a store > operation on the ES

[PATCH v2 0/6] spapr/xive: Activate StoreEOI in P10 compat guests

2020-10-05 Thread Cédric Le Goater
Hello, When an interrupt has been handled, the OS notifies the interrupt controller with an EOI sequence. On the XIVE interrupt controller (POWER9 and POWER10), this can be done with a load or a store operation on the ESB interrupt management page of the interrupt. The StoreEOI operation has less