linux-kernel - Re: [RFC v2 PATCH 00/14] Implement generic IPI support mechanism

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Date:	Wed, 14 Oct 2015 08:04:31 -0700
From:	Davidlohr Bueso <dave@...olabs.net>
To:	Qais Yousef <qais.yousef@...tec.com>
Cc:	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	jason@...edaemon.net, marc.zyngier@....com,
	jiang.liu@...ux.intel.com, ralf@...ux-mips.org,
	linux-mips@...ux-mips.org
Subject: Re: [RFC v2 PATCH 00/14] Implement generic IPI support mechanism

On Tue, 13 Oct 2015, Qais Yousef wrote:

>Qais Yousef (14):
>  irq: add new IRQ_DOMAIN_FLAGS_IPI
>  irq: add GENERIC_IRQ_IPI Kconfig symbol
>  irq: add new struct ipi_mask
>  irq: add a new irq_send_ipi() to irq_chip
>  irq: add struct ipi_mask to irq_data
>  irq: add struct ipi_mapping and its helper functions
>  irq: add a new generic IPI reservation code to irq core
>  irq: implement irq_send_ipi
>  MIPS: add support for generic SMP IPI support
>  MIPS: make smp CMP, CPS and MT use the new generic IPI functions
>  MIPS: delete smp-gic.c
>  irqchip: mips-gic: add a IPI hierarchy domain
>  irqchip: mips-gic: implement the new irq_send_ipi
>  irqchip: mips-gic: remove IPI init code
>
> arch/mips/Kconfig                |   6 --
> arch/mips/include/asm/smp-ops.h  |   5 +-
> arch/mips/kernel/Makefile        |   1 -
> arch/mips/kernel/smp-cmp.c       |   4 +-
> arch/mips/kernel/smp-cps.c       |   4 +-
> arch/mips/kernel/smp-gic.c       |  64 -----------
> arch/mips/kernel/smp-mt.c        |   2 +-
> arch/mips/kernel/smp.c           | 117 ++++++++++++++++++++
> drivers/irqchip/Kconfig          |   2 +
> drivers/irqchip/irq-mips-gic.c   | 225 ++++++++++++++++++++++++---------------
> include/linux/irq.h              |  43 ++++++++
> include/linux/irqchip/mips-gic.h |   3 -
> include/linux/irqdomain.h        |  19 ++++
> kernel/irq/Kconfig               |   4 +
> kernel/irq/irqdomain.c           |  84 +++++++++++++++
> kernel/irq/manage.c              | 103 ++++++++++++++++++
> 16 files changed, 517 insertions(+), 169 deletions(-)
> delete mode 100644 arch/mips/kernel/smp-gic.c

It strikes me that Documentation/ should at least get _some_ love. Perhaps IRQ-ipi.txt? I dunno...

Thanks,
Davidlohr
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