linux-kernel - Re: [Devel] Re: [PATCH 08/10] Introduce functions to restart a process

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: <1224769753.12673.12.camel@nimitz>
Date:	Thu, 23 Oct 2008 06:49:13 -0700
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	Andrey Mirkin <major@...nvz.org>
Cc:	Cedric Le Goater <clg@...ibm.com>,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, Pavel Emelyanov <xemul@...nvz.org>
Subject: Re: [Devel] Re: [PATCH 08/10] Introduce functions to restart a
	process

On Thu, 2008-10-23 at 13:54 +0400, Andrey Mirkin wrote:
> We are putting special structure on stack, which is used at the very end of 
> the whole restart procedure to restore complex states (ptrace is one of such 
> cases). Right now I don't need to use this structure as we have a deal with 
> simple cases, but reservation of 256 bytes on stack is needed for future.

Wow.  So you're saying that, if this patch is accepted, we simply need
to accept that anything being checkpointed will use an extra 256 bytes
of stack?  Seems like something to perhaps put in the changelog rather
than some completely undocumented assembly nugget.

-- Dave

--
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/