linux-kernel - Re: [RFC][PATCH] make /proc/pid/pagemap work with huge pages and return page size

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] [day] [month] [year] [list]

Message-ID: <20080305172243.GB27109@escobedo.amd.com>
Date:	Wed, 5 Mar 2008 18:22:43 +0100
From:	Hans Rosenfeld <hans.rosenfeld@....com>
To:	Dave Hansen <haveblue@...ibm.com>
Cc:	Matt Mackall <mpm@...enic.com>, linux-kernel@...r.kernel.org,
	Adam Litke <aglitke@...il.com>, nacc <nacc@...ux.vnet.ibm.com>,
	Jon Tollefson <kniht@...ux.vnet.ibm.com>,
	Adam Litke <agl@...ux.vnet.ibm.com>
Subject: Re: [RFC][PATCH] make /proc/pid/pagemap work with huge pages and return page size

On Wed, Mar 05, 2008 at 08:32:46AM -0800, Dave Hansen wrote:
> Were you able to find any other instances of these bitfields being used
> for kernel<->user communication?

I did not look at that.

> I thought you were going to check to
> see if we could depend on the layout, or if it changed between
> compilers.

But I looked at the ABI specification for i386, powerpc and sparc, where
the layout is defined for those architectures. Therefore I assume that
we can depend on the bitfield layout, as long as we use compilers that
adhere to the ABI specification of an architecture.


-- 
%SYSTEM-F-ANARCHISM, The operating system has been overthrown

--
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/