linux-kernel - [PATCH 0/2] irqchip/gic-v3: Fix selection of partition domain for EPPIs

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Date:   Thu, 29 Jul 2021 17:27:46 +0000
From:   James Morse <james.morse@....com>
To:     linux-kernel@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Valentin Schneider <valentin.schneider@....com>
Subject: [PATCH 0/2] irqchip/gic-v3: Fix selection of partition domain for EPPIs

Hello!

gic_irq_domain_translate()'s GIC_IRQ_TYPE_PARTITION code knows about EPPI, and
gic_populate_ppi_partitions() sets them up, but gic_irq_domain_select() and
partition_domain_translate() didn't get the memo, meaning partitioned EPPI
don't work.

I'm not aware of a platform affected by this, so I don't think its stable
material.

Based on rc1, available here:

git://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git irqchip/ppi_partition/eppi_fixes/v1

Thanks,

James Morse (2):
  irqchip/gic-v3: Add __gic_get_ppi_index() to find the PPI number from
    hwirq
  irqchip/gic-v3: Fix selection of partition domain for EPPIs

 drivers/irqchip/irq-gic-v3.c | 61 +++++++++++++++++++++++++++++-------
 1 file changed, 50 insertions(+), 11 deletions(-)

-- 
2.30.2