linux-kernel - Re: schedule() && prev/current (Was: [PATCH 3/3] Make get_current() __attribute_

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:	Wed, 19 May 2010 12:37:45 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	David Howells <dhowells@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Yong Zhang <yong.zhang0@...il.com>, linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: schedule() && prev/current (Was: [PATCH 3/3] Make
 get_current() __attribute__((const)))

On Wed, 2010-05-19 at 12:27 +0200, Oleg Nesterov wrote:

> Now suppose that A calls schedule() and we switch to B. When switch_to()
> returns on B's context, this context (register/stack) matches the previous
> context which was used by B when it in turn called schedule(), correct?

Ah, right, you always schedule back to where you came from,... I
shouldn't try and write emails before the morning juice hits ;-)


--
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/