From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Wei Li <liwei391@huawei.com>
Cc: Paul Burton <paulburton@kernel.org>,
linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
yangyingliang@huawei.com, guohanjun@huawei.com
Subject: Re: [PATCH] MIPS: SMP-CPS: Add support for irq migration when CPU offline
Date: Fri, 4 Dec 2020 13:08:37 +0100 [thread overview]
Message-ID: <20201204120837.GD10011@alpha.franken.de> (raw)
In-Reply-To: <20201203065443.11263-1-liwei391@huawei.com>
On Thu, Dec 03, 2020 at 02:54:43PM +0800, Wei Li wrote:
> Currently we won't migrate irqs when offline CPUs, which has been
> implemented on most architectures. That will lead to some devices work
> incorrectly if the bound cores are offline.
>
> While that can be easily supported by enabling GENERIC_IRQ_MIGRATION.
> But i don't pretty known the reason it was not supported on all MIPS
> platforms.
>
> This patch add the support for irq migration on MIPS CPS platform, and
> it's tested on the interAptiv processor.
>
> Signed-off-by: Wei Li <liwei391@huawei.com>
> ---
> arch/mips/Kconfig | 1 +
> arch/mips/kernel/smp-cps.c | 2 ++
> 2 files changed, 3 insertions(+)
applied to mips-next.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
prev parent reply other threads:[~2020-12-04 12:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 6:54 [PATCH] MIPS: SMP-CPS: Add support for irq migration when CPU offline Wei Li
2020-12-04 12:08 ` Thomas Bogendoerfer [this message]
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