On Tue, 2017-11-28 at 08:34:40 UTC, "Aneesh Kumar K.V" wrote:
> One of the easiest way to test config with 4K HPTE is to disable 64K hardware
> page size like below.
>
> int __init htab_dt_scan_page_sizes(unsigned long node,
>
> size -= 3; prop += 3;
> base_idx = get_idx_from_shift(base_shift);
> - if (base_idx < 0) {
> + if (base_idx < 0 || base_idx == MMU_PAGE_64K) {
> /* skip the pte encoding also */
> prop += lpnum * 2; size -= lpnum * 2;
>
> But then this results in error in other part of the code such as MPSS parsing
> where we look at 4K base page size and 64K actual page size support.
>
> This patch fix MPSS parsing by ignoring the actual page sizes marked
> unsupported. In reality this can happen only with a corrupt device tree. But
> it
> is good to tighten the error check.
>
> Signed-off-by: Aneesh Kumar K.V <[email protected]>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/10527e808123f4b12db604993638b3
cheers
