From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "bradgoodman.com" <bkgoodman@bradgoodman.com>
Cc: akpm@zip.com.au, Atul.Mukker@lsil.com, bgoodman@acopia.com,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Marcelo Tosatti <marcelo@conectiva.com.br>,
torvalds@osdl.org
Subject: Re: [PATCH] 2.6.8.1 MegaRAID Driver Race
Date: Sat, 28 Aug 2004 20:15:39 +0100 [thread overview]
Message-ID: <1093354017.2810.22.camel@localhost.localdomain> (raw)
In-Reply-To: <200408232157.i7NLvmB30968@bradgoodman.com>
On Llu, 2004-08-23 at 22:57, bradgoodman.com wrote:
> [PATCH] 2.6.8.1 to LSI Logic MegaRAID Adapter - ioctl function calls
> mega_internal_command, which uses wait_event, which calls schedule.
> This means schedule() is called while big kernel_lock is held.
This is allowed. The bkl is dropped and regained across sleeps. Its a
lock that gives "traditional unix semantics" not a normal lock.
prev parent reply other threads:[~2004-08-28 20:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-23 21:57 [PATCH] 2.6.8.1 MegaRAID Driver Race bradgoodman.com
2004-08-23 22:16 ` Andrew Morton
2004-08-28 19:15 ` Alan Cox [this message]
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