lkml.org 
[lkml]   [2018]   [Oct]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subject[PATCH 0/4] IRQ affinity support in PLIC driver
Date
This patchset primarily adds IRQ affinity support in PLIC driver and
other improvements.

The patchset gives mechanism for explicitly routing external interrupts to
particular CPUs using smp_affinity attribute of each Linux IRQs. Also, we
can now use IRQ balancer from kernel-space or user-space.

The patchset is tested on QEMU virt machine. It is based on Linux-4.19-rc2
and can be found at riscv_plic_irq_affinity_v1 branch of:
https://github.com/avpatel/linux.git

Anup Patel (4):
irqchip: sifive-plic: Pre-compute context hart base and enable base
irqchip: sifive-plic: More flexible plic_irq_toggle()
irqchip: sifive-plic: Differentiate between PLIC handler and context
irqchip: sifive-plic: Implement irq_set_affinity() for SMP host

drivers/irqchip/irq-sifive-plic.c | 164 ++++++++++++++++++------------
1 file changed, 99 insertions(+), 65 deletions(-)

--
2.17.1

\
 
 \ /
  Last update: 2018-10-22 14:04    [W:2.277 / U:1.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site