[PATCH v5 26/33] nios2: Convert __pte_free_tlb() to use ptdescs

[Vishal Moola]

On Tue, Jun 27, 2023 at 12:14 PM Guenter Roeck <linux at roeck-us.net> wrote:
>
> On 6/27/23 12:10, Guenter Roeck wrote:
> > On 6/27/23 10:42, Vishal Moola wrote:
> >> On Mon, Jun 26, 2023 at 10:47 PM Guenter Roeck <linux at roeck-us.net> wrote:
> >>>
> >>> On Thu, Jun 22, 2023 at 01:57:38PM -0700, Vishal Moola (Oracle) wrote:
> >>>> Part of the conversions to replace pgtable constructor/destructors with
> >>>> ptdesc equivalents.
> >>>>
> >>>> Signed-off-by: Vishal Moola (Oracle) <vishal.moola at gmail.com>
> >>>> Acked-by: Mike Rapoport (IBM) <rppt at kernel.org>
> >>>
> >>> This patch causes all nios2 builds to fail.
> >>
> >> It looks like you tried to apply this patch on its own. This patch depends
> >> on patches 01-12 of this patchset to compile properly. I've cross-compiled
> >> this architecture and it worked, but let me know if something fails
> >> when its applied on top of those patches (or the rest of the patchset).
> >
> >
> > No, I did not try to apply this patch on its own. I tried to build yesterday's
> > pending-fixes branch of linux-next.
> >
>
> A quick check shows that the build fails with next-20230627. See log below.

Ah it looks like this one slipped into -next on its own somehow? Stephen, please
drop this patch from -next; it shouldn't be in without the rest of the
patchset which
I intend to have Andrew take through the mm tree.

> Guenter
>
> ---
>
> $ git describe
> next-20230627
> $ git describe --match 'v*'
> v6.4-12601-g53cdf865f90b
>
> Build reference: v6.4-12601-g53cdf865f90b
> Compiler version: nios2-linux-gcc (GCC) 11.4.0
> Assembler version: GNU assembler (GNU Binutils) 2.40
>
> Building nios2:allnoconfig ... failed
> --------------
> Error log:
> <stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp]
> In file included from mm/memory.c:86:
> mm/memory.c: In function 'free_pte_range':
> arch/nios2/include/asm/pgalloc.h:33:17: error: implicit declaration of function 'pagetable_pte_dtor'; did you mean 'pgtable_pte_page_dtor'? [-Werror=implicit-function-declaration]
>     33 |                 pagetable_pte_dtor(page_ptdesc(pte));                   \
>        |                 ^~~~~~~~~~~~~~~~~~
> include/asm-generic/tlb.h:666:17: note: in expansion of macro '__pte_free_tlb'
>    666 |                 __pte_free_tlb(tlb, ptep, address);             \
>        |                 ^~~~~~~~~~~~~~
> mm/memory.c:194:9: note: in expansion of macro 'pte_free_tlb'
>    194 |         pte_free_tlb(tlb, token, addr);
>        |         ^~~~~~~~~~~~
> arch/nios2/include/asm/pgalloc.h:33:36: error: implicit declaration of function 'page_ptdesc' [-Werror=implicit-function-declaration]
>     33 |                 pagetable_pte_dtor(page_ptdesc(pte));                   \
>        |                                    ^~~~~~~~~~~
> include/asm-generic/tlb.h:666:17: note: in expansion of macro '__pte_free_tlb'
>    666 |                 __pte_free_tlb(tlb, ptep, address);             \
>        |                 ^~~~~~~~~~~~~~
> mm/memory.c:194:9: note: in expansion of macro 'pte_free_tlb'
>    194 |         pte_free_tlb(tlb, token, addr);
>        |         ^~~~~~~~~~~~
> arch/nios2/include/asm/pgalloc.h:34:17: error: implicit declaration of function 'tlb_remove_page_ptdesc'; did you mean 'tlb_remove_page_size'? [-Werror=implicit-function-declaration]
>     34 |                 tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte)));      \
>        |                 ^~~~~~~~~~~~~~~~~~~~~~
> include/asm-generic/tlb.h:666:17: note: in expansion of macro '__pte_free_tlb'
>    666 |                 __pte_free_tlb(tlb, ptep, address);             \
>        |                 ^~~~~~~~~~~~~~
> mm/memory.c:194:9: note: in expansion of macro 'pte_free_tlb'
>    194 |         pte_free_tlb(tlb, token, addr);
>        |         ^~~~~~~~~~~~
> cc1: some warnings being treated as errors
> make[3]: *** [scripts/Makefile.build:243: mm/memory.o] Error 1
> make[3]: *** Waiting for unfinished jobs....
> make[2]: *** [scripts/Makefile.build:477: mm] Error 2
> make[2]: *** Waiting for unfinished jobs....
> make[1]: *** [Makefile:2022: .] Error 2
> make: *** [Makefile:226: __sub-make] Error 2