| 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: Sat, 19 Sep 2009 12:31:11 +0530 From: Amit Shah <amit.shah@...hat.com> To: Anthony Liguori <anthony@...emonkey.ws> Cc: Alan Cox <alan@...ux.intel.com>, rusty@...tcorp.com.au, virtualization@...ts.linux-foundation.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] virtio_console: Add support for multiple ports for generic guest and host communication On (Fri) Sep 18 2009 [12:55:20], Anthony Liguori wrote: >> So you need a tiny kernel side driver to unpack it into a meaningful >> fs, or just a user-user channel with a daemon each end and a protocol >> over it - nothing kernel in that. >> > > I think there's some confusion over what this driver actually is. > > From my perspective, this is a paravirtual serial device and nothing > more. All the discussion of things like guest copy/paste support is a > bit silly. This is the wrong way to approach that sort of thing because > it's not something that belongs in the kernel at all. Furthermore, the > current proposal doesn't handle anything like save/restore which is > needed for live migration. You're mistaken. If you see the patches, I'm only providing a transport in the kernel. No intelligence in the kernel as to what kind of data actually flows through. The save/restore support has to come from userspace, in this case qemu. And that support is very much present. Amit -- http://log.amitshah.net/ -- 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