Re: [PATCH] Add kernstart_addr to list of allowed symbols in prom_init

[Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>]

Michael Ellerman wrote:
> Since commit "85xx: Add support for relocatable kernel (and
> booting at non-zero)" (37dd2badcfcec35f5e21a0926968d77a404f03c3),
> PHYSICAL_START is #defined as kernstart_addr if RELOCATABLE
> and FLATMEM is enabled.
> 
> PHYSICAL_START is used in prom_init.c and so kernstart_addr
> needs to be added to the list of allowed symbols that
> prom_init.c can access.
> 
> Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
> ---
> 
> Not sure if anyone is building this config in practice, but it
> is broken in 26 without this patch.
> 
>  arch/powerpc/kernel/prom_init_check.sh |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/powerpc/kernel/prom_init_check.sh b/arch/powerpc/kernel/prom_init_check.sh
> index 8e24fc1..31729a9 100644
> --- a/arch/powerpc/kernel/prom_init_check.sh
> +++ b/arch/powerpc/kernel/prom_init_check.sh
> @@ -20,7 +20,7 @@ WHITELIST="add_reloc_offset __bss_start __bss_stop copy_and_flush
>  _end enter_prom memcpy memset reloc_offset __secondary_hold
>  __secondary_hold_acknowledge __secondary_hold_spinloop __start
>  strcmp strcpy strlcpy strlen strncmp strstr logo_linux_clut224
> -reloc_got2"
> +reloc_got2 kernstart_addr"
> 
>  NM="$1"
>  OBJ="$2"
Hi Michael,

Thanks, the patch fixes the build failure.

Tested-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>

-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.