linux-kernel - Re: [PATCH RESEND] Ensure that kernel_init_freeable() is not inlined into non _

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:	Fri, 21 Dec 2012 12:53:46 +0530
From:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:	Al Viro <viro@...IV.linux.org.uk>
CC:	Rusty Russell <rusty@...tcorp.com.au>,
	Jim Cromie <jim.cromie@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND] Ensure that kernel_init_freeable() is not inlined
 into non __init code

On Friday 21 December 2012 12:50 PM, Al Viro wrote:
> On Fri, Dec 21, 2012 at 12:25:44PM +0530, Vineet Gupta wrote:
>> Commit d6b2123802d "make sure that we always have a return path from
>> kernel_execve()" reshuffled kernel_init()/init_post() to ensure that
>> kernel_execve() has a caller to return to.
>>
>> It removed __init annotation for kernel_init() and introduced/calls a
>> new routine kernel_init_freeable(). Latter however is inlined by any
>> reasonable compiler (ARC gcc 4.4 in this case), causing slight code
>> bloat.
> Interesting...  I assumed that explicitly set different section would be
> enough, but I'd been wrong (or the original noinline would've been pointless,
> now that I think of it).  Consider it ACKed; I can pick it through signal.git,
> and while it's not urgent I'd send it to Linus after -rc1, with Cc: stable.
> Or you can send it to him yourself with my usual Acked-by - up to you.

Merging via your signal.git is fine.

Thx,
-Vineet
--
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/