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
| ||
|
Date: Thu, 20 Dec 2012 08:06:32 +0400 From: Stanislav Kinsbursky <skinsbursky@...allels.com> To: Andrew Morton <akpm@...ux-foundation.org> CC: <serge.hallyn@...onical.com>, <ebiederm@...ssion.com>, <linux-kernel@...r.kernel.org>, <xemul@...allels.com>, <catalin.marinas@....com>, <will.deacon@....com>, <jmorris@...ei.org>, <cmetcalf@...era.com>, <joe.korty@...r.com>, <dhowells@...hat.com>, <dledford@...hat.com>, <viro@...iv.linux.org.uk>, <kosaki.motohiro@...fujitsu.com>, <linux-api@...r.kernel.org>, <serue@...ibm.com>, <tglx@...utronix.de>, <paulmck@...ux.vnet.ibm.com>, <devel@...nvz.org>, <mtk.manpages@...il.com>, Sasha Levin <sasha.levin@...cle.com>, Wu Fengguang <fengguang.wu@...el.com> Subject: Re: [RFC PATCH v8 0/5] IPC: checkpoint/restore in userspace enhancements 19.12.2012 00:36, Andrew Morton пишет: > On Wed, 24 Oct 2012 19:34:51 +0400 > Stanislav Kinsbursky <skinsbursky@...allels.com> wrote: > >> This respin of the patch set was significantly reworked. Most part of new API >> was replaced by sysctls (by one per messages, semaphores and shared memory), >> allowing to preset desired id for next new IPC object. >> >> This patch set is aimed to provide additional functionality for all IPC >> objects, which is required for migration of these objects by user-space >> checkpoint/restore utils (CRIU). >> >> The main problem here was impossibility to set up object id. This patch set >> solves the problem by adding new sysctls for preset of desired id for new IPC >> object. >> >> Another problem was to peek messages from queues without deleting them. >> This was achived by introducing of new MSG_COPY flag for sys_msgrcv(). If >> MSG_COPY flag is set, then msgtyp is interpreted as message number. > According to my extensive records, Sasha hit a bug in > ipc-message-queue-copy-feature-introduced.patch and Fengguang found a > bug in > ipc-message-queue-copy-feature-introduced-cleanup-do_msgrcv-aroung-msg_copy-feature.patch > > It's not obvious (to me) that these things have been identified and > fixed. What's the status, please? Hello, Andrew. Fengguang's issue was solved by "ipc: simplify message copying" I sent you. But I can't find Sasha's issue. As I remember, there was some problem in early version of the patch set. But I believe its fixed now. -- 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/
Powered by blists - more mailing lists