Re: [PATCH v3] powerpc/64s/pgtable: fix an undefined behaviour

On Thu, 5 Mar 2020 23:48:52 -0500, Qian Cai wrote:

Booting a power9 server with hash MMU could trigger an undefined
behaviour because pud_offset(p4d, 0) will do,

0 >> (PAGE_SHIFT:16 + PTE_INDEX_SIZE:8 + H_PMD_INDEX_SIZE:10)

Fix it by converting pud_index() and friends to static inline
functions.

[...]

Applied to powerpc/next.

[1/1] powerpc/64s/pgtable: fix an undefined behaviour
      https://git.kernel.org/powerpc/c/c2e929b18cea6cbf71364f22d742d9aad7f4677a

cheers