Re: [Xen-devel] [RFC PATCH 06/24] ARM: GICv3 ITS: introduce host LPI array

2016-11-10 Thread Stefano Stabellini
On Thu, 10 Nov 2016, Andre Przywara wrote: > Hi, > > On 27/10/16 23:59, Stefano Stabellini wrote: > > On Wed, 28 Sep 2016, Andre Przywara wrote: > >> The number of LPIs on a host can be potentially huge (millions), > >> although in practise will be mostly reasonable. So prematurely allocating >

Re: [Xen-devel] [RFC PATCH 06/24] ARM: GICv3 ITS: introduce host LPI array

2016-11-10 Thread Andre Przywara
Hi, On 27/10/16 23:59, Stefano Stabellini wrote: > On Wed, 28 Sep 2016, Andre Przywara wrote: >> The number of LPIs on a host can be potentially huge (millions), >> although in practise will be mostly reasonable. So prematurely allocating >> an array of struct irq_desc's for each LPI is not an

Re: [Xen-devel] [RFC PATCH 06/24] ARM: GICv3 ITS: introduce host LPI array

2016-11-02 Thread Julien Grall
Hi, On 27/10/16 23:59, Stefano Stabellini wrote: On Wed, 28 Sep 2016, Andre Przywara wrote: The number of LPIs on a host can be potentially huge (millions), although in practise will be mostly reasonable. So prematurely allocating an array of struct irq_desc's for each LPI is not an option.

Re: [Xen-devel] [RFC PATCH 06/24] ARM: GICv3 ITS: introduce host LPI array

2016-10-27 Thread Stefano Stabellini
On Wed, 28 Sep 2016, Andre Przywara wrote: > The number of LPIs on a host can be potentially huge (millions), > although in practise will be mostly reasonable. So prematurely allocating > an array of struct irq_desc's for each LPI is not an option. > However Xen itself does not care about LPIs, as

[Xen-devel] [RFC PATCH 06/24] ARM: GICv3 ITS: introduce host LPI array

2016-09-28 Thread Andre Przywara
The number of LPIs on a host can be potentially huge (millions), although in practise will be mostly reasonable. So prematurely allocating an array of struct irq_desc's for each LPI is not an option. However Xen itself does not care about LPIs, as every LPI will be injected into a guest (Dom0 for