On 09/01/18 16:45, Alexey Kardashevskiy wrote:
> Currently the pseries kernel advertises radix MMU support even if
> the actual support is disabled via the CONFIG_PPC_RADIX_MMU option.
>
> This adds a check for CONFIG_PPC_RADIX_MMU to avoid advertising radix
> to the hypervisor.
>
> Suggested-by: Paul Mackerras <pau...@ozlabs.org>
> Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
Ping?
> ---
> arch/powerpc/kernel/prom_init.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
> index 02190e9..65879df 100644
> --- a/arch/powerpc/kernel/prom_init.c
> +++ b/arch/powerpc/kernel/prom_init.c
> @@ -1109,7 +1109,8 @@ static void __init prom_check_platform_support(void)
> }
> }
>
> - if (supported.radix_mmu && supported.radix_gtse) {
> + if (supported.radix_mmu && supported.radix_gtse &&
> + IS_ENABLED(CONFIG_PPC_RADIX_MMU)) {
> /* Radix preferred - but we require GTSE for now */
> prom_debug("Asking for radix with GTSE\n");
> ibm_architecture_vec.vec5.mmu = OV5_FEAT(OV5_MMU_RADIX);
>
--
Alexey
