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From: | Michael Brown |
Subject: | Re: [Qemu-devel] [ipxe-devel] [PATCH ipxe] build: Enable IPv6 for qemu |
Date: | Wed, 27 Jan 2016 13:06:05 +0000 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 26/01/16 14:21, Gerd Hoffmann wrote:
A fedora user requested it here: https://bugzilla.redhat.com/show_bug.cgi?id=1280318Ping? What is the reason for ipv6 not being enabled by default? Just historical? Rarely used in practice? ROM image size issues? Stability concerns? From qemu point of view this change is fine. ROM becomes slightly larger (~15k), but that isn't a problem.
ROM image size concerns.I've been thinking for some time now that it would be useful to have a "minimal" configuration used for building real BIOS option ROM images and a "normal" configuration for everything else (undionly.kpxe, ipxe.efi, UEFI ROMs, qemu ROMs, etc). There are several features that are sufficiently commonly used that it would be worth having them generally available in the default binaries, but which are currently disabled by default due to BIOS ROM size concerns.
We already have the named config mechanism. I wonder if building a BIOS option ROM for a real NIC is sufficiently specialised that it would make sense to have a CONFIG=rom or CONFIG=minimal named configuration.
Thoughts from anyone? Michael
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