linux-kernel - Re: [PATCH -next] xen: fix header export to userspace

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]

Date:	Mon, 15 Nov 2010 10:23:48 +0000
From:	Tony Finch <dot@...at.at>
To:	Randy Dunlap <randy.dunlap@...cle.com>
cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	akpm <akpm@...ux-foundation.org>, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	xen-devel@...ts.xensource.com, virtualization@...ts.osdl.org
Subject: Re: [PATCH -next] xen: fix header export to userspace

On Sat, 13 Nov 2010, Randy Dunlap wrote:

> From: Randy Dunlap <randy.dunlap@...cle.com>
>
> scripts/headers_install.pl prevents "__user" from being exported
> to userspace headers, so just use compiler.h to make sure that
> __user is defined and avoid the error.
>
> unifdef: linux-next-20101112/xx64/usr/include/xen/privcmd.h.tmp: 79: Premature EOF (#if line 33 depth 1)

I suggest the following slightly more informative message

> scripts/headers_install.pl strips "__user" when exporting headers to
> userspace and can introduce a syntax error (detected by unifdef) if
> "__user" appears in an unexpected place. Simplify by using compiler.h to
> make sure that __user is defined and avoid the error.
>
> unifdef: linux-next-20101112/xx64/usr/include/xen/privcmd.h.tmp: 79: Premature EOF (#if line 33 depth 1)

In any case,

Acked-By:	Tony Finch <dot@...at.at>

Tony.
-- 
f.anthony.n.finch  <dot@...at.at>  http://dotat.at/
HUMBER THAMES DOVER WIGHT PORTLAND: NORTH BACKING WEST OR NORTHWEST, 5 TO 7,
DECREASING 4 OR 5, OCCASIONALLY 6 LATER IN HUMBER AND THAMES. MODERATE OR
ROUGH. RAIN THEN FAIR. GOOD.
--
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/