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Re: [Qemu-devel] RFC: guest-side retrieval of fw_cfg file
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From: |
Richard W.M. Jones |
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Subject: |
Re: [Qemu-devel] RFC: guest-side retrieval of fw_cfg file |
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Date: |
Tue, 14 Jul 2015 19:51:02 +0100 |
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User-agent: |
Mutt/1.5.20 (2009-12-10) |
On Tue, Jul 14, 2015 at 07:48:29PM +0100, Richard W.M. Jones wrote:
> On aarch64 kernel loading is really slow because it can only transfer
> (IIRC) 8 bytes at a time, and there are no string instructions we can
> use to speed it up.
I should note here I'm talking about AAVMF (ie. guest UEFI) which has
to load the kernel via fw_cfg.
Using the -kernel option qemu-system-aarch64 is really fast because it
prepopulates the guest RAM.
Rich.
--
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Re: [Qemu-devel] RFC: guest-side retrieval of fw_cfg file, Laszlo Ersek, 2015/07/14
Re: [Qemu-devel] RFC: guest-side retrieval of fw_cfg file, Matt Fleming, 2015/07/15