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Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation |
Date: |
Wed, 13 Apr 2016 14:00:39 +0300 |
On Wed, Apr 13, 2016 at 10:59:35AM +0200, Markus Armbruster wrote:
> I have a hard time coming up with realistic unclean breakage.
The issue is that Linux is now exposing fw cfg to userspace.
So it's use is about to expand significantly.
This is what I am trying to prevent:
- in 2016, users build a guest using a path XXX outside opt.
there's a warning on host, but it is not noticed.
- in 2020, qemu starts using path XXX for internal purposes.
- using guest from 2016 now breaks uncleanly on this new qemu
since guest thinks it's talking to the external tool.
--
MST
- [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Michael S. Tsirkin, 2016/04/08
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Markus Armbruster, 2016/04/08
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Michael S. Tsirkin, 2016/04/09
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Markus Armbruster, 2016/04/11
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Michael S. Tsirkin, 2016/04/11
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Markus Armbruster, 2016/04/13
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Markus Armbruster, 2016/04/13
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Michael S. Tsirkin, 2016/04/13
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Markus Armbruster, 2016/04/14
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Michael S. Tsirkin, 2016/04/14
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Markus Armbruster, 2016/04/14
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Michael S. Tsirkin, 2016/04/13
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Markus Armbruster, 2016/04/13
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Michael S. Tsirkin, 2016/04/13
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Markus Armbruster, 2016/04/14
- Re: [Qemu-devel] [PATCH v3] fw_cfg: RFQDN rules, documentation, Michael S. Tsirkin, 2016/04/14