From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Larry Finger <Larry.Finger@lwfinger.net>,
Aaro Koskinen <aaro.koskinen@iki.fi>,
Christoph Hellwig <hch@lst.de>,
Christian Zigotzky <chzigotzky@xenosoft.de>,
Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-wireless@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org
Subject: Re: [BISECTED REGRESSION] b43legacy broken on G4 PowerBook
Date: Sat, 08 Jun 2019 14:21:23 +1000 [thread overview]
Message-ID: <7697a9d10777b28ae79fdffdde6d0985555f6310.camel@kernel.crashing.org> (raw)
In-Reply-To: <73da300c-871c-77ac-8a3a-deac226743ef@lwfinger.net>
> Please try the attached patch. I'm not really pleased with it and I will
> continue to determine why the fallback to a 30-bit mask fails, but at least this
> one works for me.
Your patch only makes sense if the device is indeed capable of
addressing 31-bits.
So either the driver is buggy and asks for a too small mask in which
case your patch is ok, or it's not and you're just going to cause all
sort of interesting random problems including possible memory
corruption.
Cheers,
Ben.
next prev parent reply other threads:[~2019-06-08 4:23 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-05 22:50 [BISECTED REGRESSION] b43legacy broken on G4 PowerBook Aaro Koskinen
2019-06-06 0:54 ` Benjamin Herrenschmidt
2019-06-06 9:31 ` Aaro Koskinen
2019-06-06 10:56 ` Benjamin Herrenschmidt
2019-06-06 10:57 ` Benjamin Herrenschmidt
2019-06-06 11:43 ` Christoph Hellwig
2019-06-06 19:26 ` Larry Finger
2019-06-06 20:11 ` Larry Finger
2019-06-06 3:06 ` Larry Finger
2019-06-06 6:40 ` Christoph Hellwig
2019-06-07 17:25 ` Larry Finger
2019-06-07 17:29 ` Christoph Hellwig
2019-06-07 18:50 ` Larry Finger
2019-06-08 21:52 ` Larry Finger
2019-06-10 8:18 ` Christoph Hellwig
2019-06-10 16:09 ` Larry Finger
2019-06-11 6:05 ` Christoph Hellwig
2019-06-11 22:20 ` Larry Finger
2019-06-11 22:46 ` Aaro Koskinen
2019-06-12 1:57 ` Larry Finger
2019-06-11 22:46 ` Benjamin Herrenschmidt
2019-06-12 1:52 ` Larry Finger
2019-06-12 3:32 ` Benjamin Herrenschmidt
2019-06-12 6:55 ` Christoph Hellwig
2019-06-12 19:41 ` Larry Finger
2019-06-12 21:59 ` Benjamin Herrenschmidt
2019-06-13 7:29 ` Christoph Hellwig
2019-06-11 17:48 ` Andreas Schwab
2019-06-08 4:21 ` Benjamin Herrenschmidt [this message]
2019-06-08 7:23 ` Christoph Hellwig
2019-06-10 18:44 ` Larry Finger
2019-06-11 5:56 ` Benjamin Herrenschmidt
2019-06-11 6:08 ` Christoph Hellwig
2019-06-11 6:58 ` Benjamin Herrenschmidt
2019-06-11 6:59 ` Benjamin Herrenschmidt
2019-06-11 7:54 ` Christoph Hellwig
2019-06-11 9:04 ` Benjamin Herrenschmidt
2019-06-11 7:53 ` Christoph Hellwig
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