linux-kernel - Re: [RFC/PATCH 4/4] [POWERPC] pci: Disable IO/Mem on a device when resources can't be allocated

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: <20071218125643.B7874@jurassic.park.msu.ru>
Date:	Tue, 18 Dec 2007 12:56:43 +0300
From:	Ivan Kokshaysky <ink@...assic.park.msu.ru>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	linux-pci@...ey.karlin.mff.cuni.cz, Alan Cox <alan@...hat.com>,
	Greg Kroah-Hartman <greg@...ah.com>, jgarzik@...ox.com,
	wingel@...o-system.com,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	james.smart@...lex.com, linux-driver@...gic.com,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC/PATCH 4/4] [POWERPC] pci: Disable IO/Mem on a device when resources can't be allocated

On Tue, Dec 18, 2007 at 10:01:15AM +1100, Benjamin Herrenschmidt wrote:
> @@ -1040,7 +1040,10 @@ static inline void __devinit alloc_resou
>  		r->flags |= IORESOURCE_UNSET;
>  		r->end -= r->start;
>  		r->start = 0;

Perhaps we should use IORESOURCE_UNSET universally... It's a lot better
than clearing r->start which is in fact architecture dependent thing
and in the end just destroys information for no purpose.

Ivan.
--
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/