From: "David S. Miller" <davem@redhat.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: Re: [RFC+PATCH] calling request_irq() with lock held (+sungem fix)
Date: Wed, 30 Jul 2003 16:42:52 -0700 [thread overview]
Message-ID: <20030730164252.300d272a.davem@redhat.com> (raw)
In-Reply-To: <1059586244.2420.41.camel@gaston>
On 30 Jul 2003 13:30:44 -0400
Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:
> i386 was sort-fixed by using GFP_ATOMIC in the kmalloc() done inside
> request_irq() itself, but what about all of the proc related stuff
> that gets done when setup_irq() calls register_irq_proc() ? So the
> _fact_ is that the current implementations in archs, including i386,
> are unsafe to call from "atomic" context.
That's true.
> David: this patch fixes sungem for that.
Ok, I'll review this and probably apply it, thanks.
prev parent reply other threads:[~2003-07-30 23:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-30 17:30 [RFC+PATCH] calling request_irq() with lock held (+sungem fix) Benjamin Herrenschmidt
2003-07-30 23:42 ` David S. Miller [this message]
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