From: Paolo Bonzini <pbonzini@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: jsnow@redhat.com, qemu-devel@nongnu.org, mst@redhat.com
Subject: Re: [Qemu-devel] [PATCH 0/6] pc: bring ACPI table size below to 2.0 levels, try fixing -initrd for good
Date: Fri, 19 Sep 2014 10:06:22 +0200 [thread overview]
Message-ID: <541BE3FE.2020108@redhat.com> (raw)
In-Reply-To: <1411112184.24750.10.camel@nilsson.home.kraxel.org>
Il 19/09/2014 09:36, Gerd Hoffmann ha scritto:
> Hmm. That assumes we are running seabios, where we know how much memory
> we actually need.
Right. However, note that this only affects one patch in the series
(patch 3). Patches 1-2 are useful to unify Xen-specific behavior with
other hypervisors, and patches 4-6 are useful to future-proof ACPI table
sizes for migration.
> IMHO we should either really parse the memory map, or reserve more
> space.
I agree. However, we need to cater for a fixed initrd loading address
until this is done. And even after linuxboot.bin is improved, the older
version will be used when migrating for older QEMU machine types, so it
is important to have a decent fallback.
Paolo
next prev parent reply other threads:[~2014-09-19 8:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-18 16:17 [Qemu-devel] [PATCH 0/6] pc: bring ACPI table size below to 2.0 levels, try fixing -initrd for good Paolo Bonzini
2014-09-18 16:17 ` [Qemu-devel] [PATCH 1/6] pc: initialize fw_cfg earlier Paolo Bonzini
2014-09-18 16:17 ` [Qemu-devel] [PATCH 2/6] pc: load the kernel after ACPI tables are built Paolo Bonzini
2014-09-18 16:17 ` [Qemu-devel] [PATCH 3/6] pc: redo sizing of reserved high memory area for -kernel/-initrd Paolo Bonzini
2014-09-18 16:17 ` [Qemu-devel] [PATCH 4/6] pc: introduce new ACPI table sizing algorithm Paolo Bonzini
2014-09-18 16:17 ` [Qemu-devel] [PATCH 5/6] pc: go back to smaller ACPI tables Paolo Bonzini
2014-09-18 16:17 ` [Qemu-devel] [PATCH 6/6] pc: clean up pre-2.1 compatibility code Paolo Bonzini
2014-09-19 7:36 ` [Qemu-devel] [PATCH 0/6] pc: bring ACPI table size below to 2.0 levels, try fixing -initrd for good Gerd Hoffmann
2014-09-19 8:06 ` Paolo Bonzini [this message]
2014-09-19 13:09 ` Paolo Bonzini
2014-10-02 12:11 ` Michael S. Tsirkin
2014-10-02 12:44 ` Paolo Bonzini
2014-10-02 13:30 ` Paolo Bonzini
2014-10-02 13:41 ` Michael S. Tsirkin
2014-10-02 13:43 ` Paolo Bonzini
2014-10-02 13:49 ` Michael S. Tsirkin
2014-10-06 13:42 ` Paolo Bonzini
2014-10-06 13:52 ` Michael S. Tsirkin
2014-10-06 13:55 ` Paolo Bonzini
2014-10-06 14:12 ` Michael S. Tsirkin
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