Re: [PATCH/RFC] module: replace module_layout with module_memory

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Hi Christoph,

On Sun, Jan 22, 2023 at 10:57 PM Christoph Hellwig <hch@xxxxxx> wrote:
>
> On Fri, Jan 20, 2023 at 09:42:26AM -0800, Song Liu wrote:
> > So here are the two versions, both with secondary addr_[min|max] for
> > CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC.
> >
> > v2. Just use mod_mem array:
> > https://git.kernel.org/pub/scm/linux/kernel/git/song/md.git/commit/?h=remotes/song-md/new_module_alloc_build_test_v2
> >
> > v3. mod_mem array and the defines:
> > #define mod_core_text mod_mem[MOD_MEM_TYPE_TEXT]
> > #define mod_core_data mod_mem[MOD_MEM_TYPE_DATA]
> > etc.
> > https://git.kernel.org/pub/scm/linux/kernel/git/song/md.git/commit/?h=remotes/song-md/new_module_alloc_build_test_v3
>
> I find v2 much preferably.  Having magic layouts with different
> access methods is horribly confusing.  It might be a way changes
> things if modifying every caller would be intrusive, but starting
> out that way does not seem like a very good idea.

Thanks for the feedback! I will send a patch based on v2.

Song



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