RE: [PATCH v3] irqchip: gicv3-its: Use NUMA aware memory allocation for ITS tables

2019-01-11 Thread Shameerali Kolothum Thodi
com; > robert.rich...@cavium.com; Guohanjun (Hanjun Guo) > ; John Garry ; > linux-arm-ker...@lists.infradead.org; Linuxarm > Subject: Re: [PATCH v3] irqchip: gicv3-its: Use NUMA aware memory allocation > for ITS tables > [...] > > drivers/irqchip/irq-gic-v3-its.c | 20 +++

Re: [PATCH v3] irqchip: gicv3-its: Use NUMA aware memory allocation for ITS tables

2019-01-11 Thread Suzuki K Poulose
Hi Shameer, On 13/12/2018 10:59, Shameer Kolothum wrote: From: Shanker Donthineni The NUMA node information is visible to ITS driver but not being used other than handling hardware errata. ITS/GICR hardware accesses to the local NUMA node is usually quicker than the remote NUMA node. How slow

Re: [PATCH v3] irqchip: gicv3-its: Use NUMA aware memory allocation for ITS tables

2019-01-11 Thread Marc Zyngier
On 11/01/2019 03:53, Ganapatrao Kulkarni wrote: > Hi Shameer, > > Patch looks OK to me, please feel free to add, > Reviewed-by: Ganapatrao Kulkarni > > On Thu, Dec 13, 2018 at 5:25 PM Marc Zyngier wrote: >> >> On 13/12/2018 10:59, Shameer Kolothum wrote: >>> From: Shanker Donthineni >>> >>>

Re: [PATCH v3] irqchip: gicv3-its: Use NUMA aware memory allocation for ITS tables

2019-01-10 Thread Ganapatrao Kulkarni
Hi Shameer, Patch looks OK to me, please feel free to add, Reviewed-by: Ganapatrao Kulkarni On Thu, Dec 13, 2018 at 5:25 PM Marc Zyngier wrote: > > On 13/12/2018 10:59, Shameer Kolothum wrote: > > From: Shanker Donthineni > > > > The NUMA node information is visible to ITS driver but not

Re: [PATCH v3] irqchip: gicv3-its: Use NUMA aware memory allocation for ITS tables

2018-12-13 Thread Marc Zyngier
On 13/12/2018 10:59, Shameer Kolothum wrote: > From: Shanker Donthineni > > The NUMA node information is visible to ITS driver but not being used > other than handling hardware errata. ITS/GICR hardware accesses to the > local NUMA node is usually quicker than the remote NUMA node. How slow >

[PATCH v3] irqchip: gicv3-its: Use NUMA aware memory allocation for ITS tables

2018-12-13 Thread Shameer Kolothum
From: Shanker Donthineni The NUMA node information is visible to ITS driver but not being used other than handling hardware errata. ITS/GICR hardware accesses to the local NUMA node is usually quicker than the remote NUMA node. How slow the remote NUMA accesses are depends on the implementation