linux-kernel - Re: [PATCH 1/3] iommu/fsl: Fix PAMU window size check.

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-next>] [day] [month] [year] [list]

Message-ID: <53B3B8B9.30400@Freescale.com>
Date:	Wed, 2 Jul 2014 02:46:01 -0500
From:	Emil Medve <Emilian.Medve@...escale.com>
To:	Varun Sethi <Varun.Sethi@...escale.com>,
	<iommu@...ts.linux-foundation.org>, <joro@...tes.org>,
	<linux-kernel@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>,
	<alex.williamson@...hat.com>
Subject: Re: [PATCH 1/3] iommu/fsl: Fix PAMU window size check.

On 06/24/2014 08:57 AM, Varun Sethi wrote:
> is_power_of_2 requires an unsigned long parameter which would
> lead to truncation of 64 bit values on 32 bit architectures.
> 
> __ffs also expects an unsigned long parameter thus won't work
> for 64 bit values on 32 bit architectures.
> 
> Signed-off-by: Varun Sethi <Varun.Sethi@...escale.com>
> ---
>  drivers/iommu/fsl_pamu.c        |    8 ++++----
>  drivers/iommu/fsl_pamu_domain.c |    2 +-
>  2 files changed, 5 insertions(+), 5 deletions(-)

Tested-by: Emil Medve <Emilian.Medve@...escale.com>

On a P4080 DS (i.e. 32-bit SoC)


Cheers,
--
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/