From: Jon Smirl <jonsmirl@gmail.com>
To: Gabriel Paubert <paubert@iram.es>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Jesse Barnes <jbarnes@sgi.com>, Andrew Morton <akpm@osdl.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] quiet non-x86 option ROM warnings
Date: Fri, 18 Feb 2005 11:50:29 -0500 [thread overview]
Message-ID: <9e47339105021808507f778021@mail.gmail.com> (raw)
In-Reply-To: <20050218120914.GB31891@iram.es>
On Fri, 18 Feb 2005 13:09:14 +0100, Gabriel Paubert <paubert@iram.es> wrote:
> For example if it declares 128k, compare the two halves, reduce
> to 64k if equal. Lather, rinse, repeat.
>
> It's equivalent to reading the BAR declared size twice in
> the worst case, so it's not that bad performance-wise.
>
> That would only be in the case of an unknown signature
> in the first bytes, otherwise the third byte gives you
> the size IIUC.
The third byte size is wrong in too many cards to be useful. I have
always found the size in the PCIR header to be accurate.
>
> Gabriel
>
--
Jon Smirl
jonsmirl@gmail.com
next prev parent reply other threads:[~2005-02-18 16:50 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-15 23:57 [PATCH] quiet non-x86 option ROM warnings Jesse Barnes
2005-02-16 0:36 ` Jon Smirl
2005-02-16 0:45 ` Jesse Barnes
2005-02-16 1:00 ` Benjamin Herrenschmidt
2005-02-16 1:00 ` Benjamin Herrenschmidt
2005-02-16 1:08 ` Jon Smirl
2005-02-16 1:57 ` Jesse Barnes
2005-02-16 4:00 ` Benjamin Herrenschmidt
2005-02-16 1:03 ` Benjamin Herrenschmidt
2005-02-16 23:54 ` Jesse Barnes
2005-02-17 0:48 ` Benjamin Herrenschmidt
2005-02-17 16:33 ` Jon Smirl
2005-02-17 17:29 ` Jesse Barnes
2005-02-17 17:32 ` Jon Smirl
2005-02-17 17:41 ` Jesse Barnes
2005-02-17 17:45 ` Jesse Barnes
2005-02-17 17:56 ` Jon Smirl
2005-02-17 22:48 ` Benjamin Herrenschmidt
2005-02-17 22:47 ` Benjamin Herrenschmidt
2005-02-17 22:59 ` Jon Smirl
2005-02-17 23:00 ` Jesse Barnes
2005-02-17 23:04 ` Benjamin Herrenschmidt
2005-02-17 23:20 ` Andrew Vasquez
2005-02-17 22:45 ` Benjamin Herrenschmidt
2005-02-17 22:56 ` Jon Smirl
2005-02-18 12:09 ` Gabriel Paubert
2005-02-18 16:50 ` Jon Smirl [this message]
2005-09-04 13:27 ` Olaf Hering
2005-09-04 14:20 ` Andreas Schwab
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