Hi all,
On Wed, 16 Jun 2021 23:07:44 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> After merging the akpm tree, today's linux-next build (sparc defconfig)
> failed like this:
>
> In file included from arch/sparc/include/asm/pgtable.h:7:0,
> from include/linux/pgtable.h:6,
> from include/linux/mm.h:33,
> from include/linux/ring_buffer.h:5,
> from include/linux/trace_events.h:6,
> from include/trace/syscall.h:7,
> from include/linux/syscalls.h:87,
> from fs/io_uring.c:45:
> arch/sparc/include/asm/pgtable_32.h: In function 'pud_pgtable':
> arch/sparc/include/asm/pgtable_32.h:157:10: warning: return makes pointer from integer without a cast [-Wint-conversion]
> return ~0;
> ^
>
> and many, many more like this.
>
> This is an error due to (part of) the tree being built with -Werror
>
> Caused by commit
>
> 8aef6710db27 ("mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t *")
>
> I have applied the following hack fix for today.
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Wed, 16 Jun 2021 22:51:50 +1000
> Subject: [PATCH] mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t * fix
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> arch/sparc/include/asm/pgtable_32.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
> index 1e6b55425f3d..ffccfe3b22ed 100644
> --- a/arch/sparc/include/asm/pgtable_32.h
> +++ b/arch/sparc/include/asm/pgtable_32.h
> @@ -154,7 +154,7 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
> static inline pmd_t *pud_pgtable(pud_t pud)
> {
> if (srmmu_device_memory(pud_val(pud))) {
> - return ~0;
> + return (pmd_t *)~0;
> } else {
> unsigned long v = pud_val(pud) & SRMMU_PTD_PMASK;
> return (pmd_t *)__nocache_va(v << 4);
> --
> 2.30.2
Did this get missed in the latest mmotm update? I still have to apply it ...
--
Cheers,
Stephen Rothwell
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