[RFC PATCH 0/4] add support for CommonLPIAff field

From: Yang Yingliang
Date: Mon Mar 12 2018 - 02:50:35 EST


This patch set adjust struct rdists to support CommonLPIAff field.
This field is described in spec:

CommonLPIAff, bits [25:24]
The affinity level at which Redistributors share a LPI Configuration table.
00 All Redistributors must share a LPI Configuration table.
01 All Redistributors with the same Aff3 value must share an LPI Configurationt table.
10 All Redistributors
11 All Redistributors with the same Aff3.Aff2.Aff1 value must share an LPI Configuration
table.

Yang Yingliang (4):
irqchip/gic-v3: add common_aff_lpi field in struct rdists
irqchip/gic-v3-its: replace alloc_pages() with alloc_pages_node()
irqchip/gic-v3-its: change prop_page to per-cpu type to support
CommonLPIAff field
irqchip/gic-v3-its: sync config of LPIs if there are more than one
prop_page

drivers/irqchip/irq-gic-v3-its.c | 125 +++++++++++++++++++++++++++----------
drivers/irqchip/irq-gic-v3.c | 20 ++++++
include/linux/irqchip/arm-gic-v3.h | 9 ++-
3 files changed, 121 insertions(+), 33 deletions(-)

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1.8.3