[dm-devel] [PATCH v5 1/7] mce: fix set_mce_nospec to always unmap the whole page

[Christoph Hellwig]

On Wed, Feb 02, 2022 at 11:07:37PM +0000, Jane Chu wrote:
> On 2/2/2022 1:20 PM, Jane Chu wrote:
> >> Wouldn't it make more sense to move these helpers out of line rather
> >> than exporting _set_memory_present?
> > 
> > Do you mean to move
> >     return change_page_attr_set(&addr, numpages, __pgprot(_PAGE_PRESENT), 0);
> > into clear_mce_nospec() for the x86 arch and get rid of _set_memory_present?
> > If so, sure I'll do that.
> 
> Looks like I can't do that.  It's either exporting 
> _set_memory_present(), or exporting change_page_attr_set().  Perhaps the 
> former is more conventional?

These helpers above means set_mce_nospec and clear_mce_nospec.  If they
are moved to normal functions instead of inlines, there is no need to
export the internals at all.