On Wed, 2019-05-22 at 22:01:58 UTC, Thiago Jung Bauermann wrote:
> Commit b6664ba42f14 ("s390, kexec_file: drop arch_kexec_mem_walk()")
> changed kexec_add_buffer() to skip searching for a memory location if
> kexec_buf.mem is already set, and use the address that is there.
>
> In powerpc code we reuse a kexec_buf variable for loading both the kernel
> and the initramfs by resetting some of the fields between those uses, but
> not mem. This causes kexec_add_buffer() to try to load the kernel at the
> same address where initramfs will be loaded, which is naturally rejected:
>
> # kexec -s -l --initrd initramfs vmlinuz
> kexec_file_load failed: Invalid argument
>
> Setting the mem field before every call to kexec_add_buffer() fixes this
> regression.
>
> Fixes: b6664ba42f14 ("s390, kexec_file: drop arch_kexec_mem_walk()")
> Signed-off-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx>
> Reviewed-by: Dave Young <dyoung@xxxxxxxxxx>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/8b909e3548706cbebc0a676067b81aad
cheers
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