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From: "Michael S. Tsirkin" <mst@mellanox.co.il>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: kmap_atomic slot collision
Date: Sat, 17 Dec 2005 23:05:03 +0200	[thread overview]
Message-ID: <20051217210503.GA19246@mellanox.co.il> (raw)
In-Reply-To: <20051217123755.aaa73edf.akpm@osdl.org>

Quoting Andrew Morton <akpm@osdl.org>:
> And lo, a bunch of places in the kernel are forgetting to disable local
> interrupts.  So if your ode is correctly coded as above, you can
> scribble
> on their kmap, but they cannot scribble on yours.

That seems to be what I'm seeing.

> Failing to disable local IRQs while taking KM_IRQn is a ghastly bug.
> I'll
> fix 'em up.
Thanks!
Pls Cc me on a patch, I'm not on the list.

-- 
MST

      reply	other threads:[~2005-12-17 21:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-15 17:33 Michael S. Tsirkin
2005-12-17 20:37 ` Andrew Morton
2005-12-17 21:05   ` Michael S. Tsirkin [this message]

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