From: Ralf Baechle <ralf@linux-mips.org>
To: David Daney <ddaney@caviumnetworks.com>
Cc: linux-mips@linux-mips.org
Subject: Re: [PATCH] MIPS: Octeon: Run IPI code with interrupts disabled.
Date: Mon, 3 Aug 2009 09:41:52 +0100 [thread overview]
Message-ID: <20090803084152.GA30431@linux-mips.org> (raw)
In-Reply-To: <1249075807-18619-1-git-send-email-ddaney@caviumnetworks.com>
On Fri, Jul 31, 2009 at 02:30:07PM -0700, David Daney wrote:
> In mm/slab.c the function do_ccupdate_local requires that interrupts
> be disabled. If they are not, we panic with CONFIG_DEBUG_SLAB.
>
> So we disable interrupts while processing IPIs. Also these are not
> shared irqs, so get rid of the IRQF_SHARED flag.
Yes, this one will ruin your day.
Ralf
prev parent reply other threads:[~2009-08-03 8:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-31 21:30 [PATCH] MIPS: Octeon: Run IPI code with interrupts disabled David Daney
2009-08-03 8:41 ` Ralf Baechle [this message]
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