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SubjectRe: linux-next: build failure after merge of the mm tree
Hi, Rothwell,
Please hold this patch. It need more discussion and probably the flush can be
simply removed.

On Thu, Dec 21, 2023 at 06:38:03PM +1100, Stephen Rothwell wrote:
> Hi all,
>
> After merging the mm tree, today's linux-next build (x86_64 allnoconfig)
> failed like this:
>
> x86_64-linux-gnu-ld: init/main.o: in function `kernel_init':
> main.c:(.ref.text+0xbf): undefined reference to `flush_module_init_free_work'
>
> Caused by commit
>
> 1d8053432676 ("modules: wait do_free_init correctly")
>
> This build has
> # CONFIG_MODULES is not set
>
> I have applied this (hack) patch for today.
>
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Thu, 21 Dec 2023 18:27:07 +1100
> Subject: [PATCH] fix up for "modules: wait do_free_init correctly"
>
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> ---
> init/main.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/init/main.c b/init/main.c
> index f0b7e21ac67f..1df1106ff09b 100644
> --- a/init/main.c
> +++ b/init/main.c
> @@ -1407,7 +1407,9 @@ static void mark_readonly(void)
> * flushed so that we don't hit false positives looking for
> * insecure pages which are W+X.
> */
> +#ifdef CONFIG_MODULES
> flush_module_init_free_work();
> +#endif
> mark_rodata_ro();
> rodata_test();
> } else
> --
> 2.43.0
>
> --
> Cheers,
> Stephen Rothwell



--
Cheers,
Changbin Du

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