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Re: [Qemu-devel] [PATCH 09/15] loader: use mmap for ROMs

From: Peter Lieven
Subject: Re: [Qemu-devel] [PATCH 09/15] loader: use mmap for ROMs
Date: Tue, 28 Jun 2016 13:26:47 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0

Am 28.06.2016 um 12:41 schrieb Paolo Bonzini:

On 28/06/2016 11:01, Peter Lieven wrote:
a classic use for mmap here.

Signed-off-by: Peter Lieven <address@hidden>
They are never freed, why does mmap help?

Actually it is. Adding some debug output to rom_add_file and rom_reset reveals 
the following:

rom load: /home/lieven/git/qemu/pc-bios/bios-256k.bin
rom load: /home/lieven/git/qemu/pc-bios/kvmvapic.bin

I think the rom is copied to system memory?


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