linux-kernel - Re: [PATCH]PCI:disable resource decode in PCI BAR detection

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1190853633.11034.6.camel@pasglop>
Date:	Thu, 27 Sep 2007 10:40:33 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Robert Hancock <hancockr@...w.ca>
Cc:	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Greg KH <gregkh@...e.de>, Matthew Wilcox <matthew@....cx>,
	Shaohua Li <shaohua.li@...el.com>,
	lkml <linux-kernel@...r.kernel.org>,
	linux-pci <linux-pci@...ey.karlin.mff.cuni.cz>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH]PCI:disable resource decode in PCI BAR detection


> How is this a change in behavior as far as this device is concerned? If 
> we are doing BAR sizing and moving the base address around, it's going 
> to cause problems if you try to access the device during this time 
> whether we disable decode or not.

True. The window is smaller tho if the upper bridge decode hasn't been
disabled. I suppose I'll have to find a way to "pin" those devices and
generate the BAR info from the firmware data.

Ben.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/