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SubjectRe: [PATCH] kbuild: simplify access to the kernel's version
On Fri, Feb 12, 2021 at 12:40 PM Masahiro Yamada <masahiroy@kernel.org> wrote:
>
> On Fri, Feb 12, 2021 at 5:18 AM Masahiro Yamada <masahiroy@kernel.org> wrote:
> >
> > On Tue, Feb 9, 2021 at 3:20 AM Sasha Levin <sashal@kernel.org> wrote:
> > >
> > > On Mon, Feb 08, 2021 at 05:50:07PM +0000, Christoph Hellwig wrote:
> > > >On Sun, Feb 07, 2021 at 11:13:52AM -0500, Sasha Levin wrote:
> > > >> + (u8)(LINUX_VERSION_MAJOR), (u8)(LINUX_VERSION_PATCHLEVEL),
> > > >> + (u16)(LINUX_VERSION_SUBLEVEL));
> > > >
> > > >No need for the casts and braces.
> > > >
> >
> >
> > I agree.
> >
> > Shall I remove the casts when I apply this?
> >
> >
> >
> >
> > > >Otherwise this looks good, but please also kill off KERNEL_VERSION
> > > >and LINUX_KERNEL_VERSION entirely while you're at it.
> > >
> > > I don't think there are in-tree users left?
> > >
> > > We can't remove it completely because userspace is still using it, so if
> > > we drop those userspace will be sad.
> >
> >
> > Right.
> > Once we export a macros to userspace, we cannot remove it.
> >
> >
> >
> >
> >
> > > --
> > > Thanks,
> > > Sasha
> >
> >
> >
> > --
> > Best Regards
> > Masahiro Yamada
>
>
>
>
>
> Wait, this patch does not work.
> None of the submitter or reviewers
> tested this patch... Sigh.
>
>
> masahiro@grover:~/workspace/linux-kbuild$ make
> Makefile:1249: *** missing 'endef', unterminated 'define'. Stop.
>
>
>
>
>
>
>
> diff --git a/Makefile b/Makefile
> index ef81c8895abf..1fdd44fe1659 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1258,7 +1258,7 @@ define filechk_version.h
> ((c) > 255 ? 255 : (c)))'; \
> echo \#define LINUX_VERSION_MAJOR $(VERSION); \
> echo \#define LINUX_VERSION_PATCHLEVEL $(PATCHLEVEL); \
> - echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL); \
> + echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL)
> endef
>
> $(version_h): FORCE
>
>
>
>
>
> --
> Best Regards
> Masahiro Yamada





Please send a correct patch,
also drop the unneeded casts.





--
Best Regards
Masahiro Yamada

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