From: David Miller <davem@davemloft.net>
To: jens.axboe@oracle.com
Cc: linux-kernel@vger.kernel.org, abhishekrai@google.com,
torvalds@linux-foundation.org
Subject: Re: [PATCH] Fix blktrace setup 32-bit ioctl on 64-bit kernels
Date: Tue, 02 Oct 2007 00:52:17 -0700 (PDT) [thread overview]
Message-ID: <20071002.005217.133194599.davem@davemloft.net> (raw)
In-Reply-To: <20071002073943.GC5236@kernel.dk>
From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 2 Oct 2007 09:39:43 +0200
> Hi,
>
> The layout of struct blk_user_trace_setup is a bit unfortunate, it gets
> padded differently on 32-bit and 64-bit archs. So right now it's not
> possible to trace 64-bit kernels with a 32-bit app. This patch fixes
> that up by adding a compat ioctl handler for BLKTRACESETUP.
>
> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Acked-by: David S. Miller <davem@davemloft.net>
next prev parent reply other threads:[~2007-10-02 7:52 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-02 7:39 [PATCH] Fix blktrace setup 32-bit ioctl on 64-bit kernels Jens Axboe
2007-10-02 7:52 ` David Miller [this message]
2007-10-02 8:15 ` Arnd Bergmann
2007-10-02 8:37 ` Jens Axboe
2007-10-02 9:28 ` Jens Axboe
2007-10-03 9:34 ` Arnd Bergmann
2007-10-03 15:55 ` Arnd Bergmann
2007-10-03 22:48 ` Arnd Bergmann
2007-10-04 18:16 ` Jens Axboe
2007-10-04 18:44 ` Arnd Bergmann
2007-10-05 10:41 ` Jens Axboe
2007-10-05 12:30 ` [PATCH] block: move ioctl conversion to compat_blkdev_ioctl Arnd Bergmann
2007-10-05 12:41 ` Jens Axboe
2007-10-05 12:41 ` Arnd Bergmann
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