From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@ozlabs.org
Cc: npiggin@gmail.com
Subject: Re: [PATCH] powerpc/irq: Don't WARN continuously in arch_local_irq_restore()
Date: Thu, 11 Jul 2019 01:05:30 +1000 (AEST) [thread overview]
Message-ID: <45kMty2sWcz9sP3@ozlabs.org> (raw)
In-Reply-To: <20190708061046.7075-1-mpe@ellerman.id.au>
On Mon, 2019-07-08 at 06:10:46 UTC, Michael Ellerman wrote:
> When CONFIG_PPC_IRQ_SOFT_MASK_DEBUG is enabled (uncommon), we have a
> series of WARN_ON's in arch_local_irq_restore().
>
> These are "should never happen" conditions, but if they do happen they
> can flood the console and render the system unusable. So switch them
> to WARN_ON_ONCE().
>
> Fixes: e2b36d591720 ("powerpc/64: Don't trace code that runs with the soft irq mask unreconciled")
> Fixes: 9b81c0211c24 ("powerpc/64s: make PACA_IRQ_HARD_DIS track MSR[EE] closely")
> Fixes: 7c0482e3d055 ("powerpc/irq: Fix another case of lazy IRQ state getting out of sync")
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Applied to powerpc next.
https://git.kernel.org/powerpc/c/0fc12c022ad25532b66bf6f6c818ee1c1d63e702
cheers
prev parent reply other threads:[~2019-07-10 15:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-08 6:10 [PATCH] powerpc/irq: Don't WARN continuously in arch_local_irq_restore() Michael Ellerman
2019-07-10 15:05 ` Michael Ellerman [this message]
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