Re: [PATCH 19/26] x86/tdx: Make pages shared in ioremap()

[Kirill A. Shutemov]

On Mon, Jan 03, 2022 at 03:29:44PM +0100, Borislav Petkov wrote:
> On Mon, Jan 03, 2022 at 05:17:05PM +0300, Kirill A. Shutemov wrote:
> > I'm not sure how to unwind this dependency hell. Any clues?
> 
> Forward-declaration maybe?
> 
> I.e., something like
> 
> struct task_struct;
> 
> at the top of arch/x86/include/asm/switch_to.h, for example...

Forward-declaration only works if you refer the struct/union by pointer,
not value.

And pgprot_t is not always a struct and when it is a struct it is
anonymous.

See "git grep 'typedef.*pgprot_t;'".

-- 
 Kirill A. Shutemov