Re: [PATCH v8 01/17] h8300: Assembly headers.

[Yoshinori Sato]

At Mon, 20 Apr 2015 16:00:34 +0200,
Tobias Klauser wrote:
> 
> On 2015-04-20 at 08:13:17 +0200, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> wrote:
> [...]
> > diff --git a/arch/h8300/include/asm/pgtable.h b/arch/h8300/include/asm/pgtable.h
> > new file mode 100644
> > index 0000000..8341db6
> > --- /dev/null
> > +++ b/arch/h8300/include/asm/pgtable.h
> > @@ -0,0 +1,49 @@
> > +#ifndef _H8300_PGTABLE_H
> > +#define _H8300_PGTABLE_H
> > +#include <asm-generic/pgtable-nopud.h>
> > +#include <asm-generic/pgtable.h>
> > +#define pgtable_cache_init()   do { } while (0)
> > +extern void paging_init(void);
> > +#define PAGE_NONE		__pgprot(0)    /* these mean nothing to NO_MM */
> > +#define PAGE_SHARED		__pgprot(0)    /* these mean nothing to NO_MM */
> > +#define PAGE_COPY		__pgprot(0)    /* these mean nothing to NO_MM */
> > +#define PAGE_READONLY	__pgprot(0)    /* these mean nothing to NO_MM */
> > +#define PAGE_KERNEL		__pgprot(0)    /* these mean nothing to NO_MM */
> > +#define __swp_type(x)		(0)
> > +#define __swp_offset(x)		(0)
> > +#define __swp_entry(typ, off)	((swp_entry_t) { ((typ) | ((off) << 7)) })
> > +#define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
> > +#define __swp_entry_to_pte(x)	((pte_t) { (x).val })
> > +#define kern_addr_valid(addr)	(1)
> > +#define pgprot_writecombine(prot)  (prot)
> > +#define pgprot_noncached pgprot_writecombine
> > +
> > +static inline int pte_file(pte_t pte) { return 0; }
> 
> No need to define pte_file() anymore, remap_file_pages(2) implementation
> was replaced by emulation.

OK.
Remove it.

> > +#define swapper_pg_dir ((pgd_t *) 0)
> > +/*
> > + * ZERO_PAGE is a global shared page that is always zero: used
> > + * for zero-mapped memory areas etc..
> > + */
> > +#define ZERO_PAGE(vaddr)	(virt_to_page(0))
> > +
> > +/*
> > + * These would be in other places but having them here reduces the diffs.
> > + */
> > +extern unsigned int kobjsize(const void *objp);
> 
> This prototypes doesn't need to be defined here, it's already in
> linux/mm.h which is included where kobjsize is used.

OK.

> > +extern int is_in_rom(unsigned long);
> 
> This function is no longer defined nor used in the rest of the tree, no
> need for this prototype as well.
>

OK.
Remove.

> [...]
> > diff --git a/arch/h8300/include/asm/sh_bios.h b/arch/h8300/include/asm/sh_bios.h
> > new file mode 100644
> > index 0000000..9ce513c
> > --- /dev/null
> > +++ b/arch/h8300/include/asm/sh_bios.h
> > @@ -0,0 +1,4 @@
> > +#ifndef SH_BIOS_H
> > +#define SH_BIOS_H
> > +
> > +#endif
> 
> Why this empty header? Can it be removed?

It was necessary before, it's already unnecessary.
Removed.

Thanks.

-- 
Yoshinori Sato
<ysato@xxxxxxxxxxxxxxxxxxxx>
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