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Re: [Qemu-arm] [Qemu-devel] [PATCH 2/2] hw/arm/boot: Honour image size f

From: Richard Henderson
Subject: Re: [Qemu-arm] [Qemu-devel] [PATCH 2/2] hw/arm/boot: Honour image size field in AArch64 Image format kernels
Date: Fri, 3 May 2019 20:54:32 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

On 5/3/19 10:13 AM, Peter Maydell wrote:
> Since Linux v3.17, the kernel's Image header includes a field image_size,
> which gives the total size of the kernel including unpopulated data
> sections such as the BSS). If this is present, then return it from
> load_aarch64_image() as the true size of the kernel rather than
> just using the size of the Image file itself. This allows the code
> which calculates where to put the initrd to avoid putting it in
> the kernel's BSS area.
> This means that we should be able to reliably load kernel images
> which are larger than 128MB without accidentally putting the
> initrd or dtb in locations that clash with the kernel itself.
> Fixes: https://bugs.launchpad.net/qemu/+bug/1823998
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  hw/arm/boot.c | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


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