Message-ID: <54D11DED.5000208@message-id.invalid.com>
Date: Tue, 03 Feb 2015 20:13:49 +0100
From: Stefan Seyfried <stefan.seyfried@googlemail.com>
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To: Ming Lei <ming.lei@canonical.com>, Jens Axboe <axboe@fb.com>,
        linux-kernel@vger.kernel.org
CC: Christoph Hellwig <hch@lst.de>,
        Bart Van Assche <bart.vanassche@sandisk.com>,
        Sasha Levin <sasha.levin@oracle.com>
Subject: Re: [PATCH 1/2] Revert "blk-mq: fix hctx/ctx kobject use-after-free"
References: <1422533847-31726-1-git-send-email-ming.lei@canonical.com> <1422533847-31726-2-git-send-email-ming.lei@canonical.com>
In-Reply-To: <1422533847-31726-2-git-send-email-ming.lei@canonical.com>
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Am 29.01.2015 um 13:17 schrieb Ming Lei:
> This reverts commit 76d697d10769048e5721510100bf3a9413a56385.
> 
> The commit 76d697d10769048 causes general protection fault
> reported from Bart Van Assche:
> 
> 	https://lkml.org/lkml/2015/1/28/334

I bisected the "unplugging my USB stick crashes the kernel" problem
today and came to this very commit.

The revert is not yet in Linus' tree (but it should get there before
3.19 is released, or all USB-stick users will be unhappy).

Best regards,

	Stefan

> Reported-by: Bart Van Assche <bart.vanassche@sandisk.com>
> Signed-off-by: Ming Lei <ming.lei@canonical.com>
-- 
Stefan Seyfried
Linux Consultant & Developer -- GPG Key: 0x731B665B

B1 Systems GmbH
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