From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: linuxppc-dev@lists.ozlabs.org, Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH] powerpc/64: Don't recurse irq replay
Date: Wed, 15 Feb 2023 23:40:21 +1100 [thread overview]
Message-ID: <167646482170.1421441.403555993331285105.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20230121102618.2824429-1-npiggin@gmail.com>
On Sat, 21 Jan 2023 20:26:18 +1000, Nicholas Piggin wrote:
> Interrupt handlers called by soft-pending irq replay code can run
> softirqs, softirq replay enables and disables local irqs, which allows
> interrupts to come in including soft-masked interrupts, and it can
> cause pending irqs to be replayed again. That makes the soft irq replay
> state machine and possible races more complicated and fragile than it
> needs to be.
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/64: Don't recurse irq replay
https://git.kernel.org/powerpc/c/5746ca131e2496ccd5bb4d7a0244d6c38070cbf5
cheers
prev parent reply other threads:[~2023-02-15 12:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-21 10:26 [PATCH] powerpc/64: Don't recurse irq replay Nicholas Piggin
2023-02-15 12:40 ` Michael Ellerman [this message]
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