On Wed, 05 Mar 2014 10:34:15 +1030 Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote:
> Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> writes:
> > On Thu, 27 Feb 2014 21:53:46 +0200 "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
> >> +
> >> +void do_set_pte(struct vm_area_struct *vma, unsigned long address,
> >> + struct page *page, pte_t *pte, bool write, bool anon);
> >> #endif
> >>
> >> /*
> >
> > lguest made a dubious naming decision:
> >
> > drivers/lguest/page_tables.c:890: error: conflicting types for 'do_set_pte'
> > include/linux/mm.h:593: note: previous declaration of 'do_set_pte' was here
> >
> > I'll rename lguest's do_set_pte() to do_guest_set_pte() as a
> > preparatory patch.
>
> s/do_/ if you don't mind; if we're going to prefix it, we don't need the
> extra verb.
drivers/lguest/page_tables.c already has a guest_set_pte(), which calls
do_guest_set_pte().
How about we use the __ tradition, so __guest_set_pte() is a helper for
guest_set_pte()?
--- a/drivers/lguest/page_tables.c~drivers-lguest-page_tablesc-rename-do_set_pte
+++ a/drivers/lguest/page_tables.c
@@ -887,7 +887,7 @@ void guest_new_pagetable(struct lg_cpu *
* _PAGE_ACCESSED then we can put a read-only PTE entry in immediately, and if
* they set _PAGE_DIRTY then we can put a writable PTE entry in immediately.
*/
-static void do_set_pte(struct lg_cpu *cpu, int idx,
+static void __guest_set_pte(struct lg_cpu *cpu, int idx,
unsigned long vaddr, pte_t gpte)
{
/* Look up the matching shadow page directory entry. */
@@ -960,13 +960,13 @@ void guest_set_pte(struct lg_cpu *cpu,
unsigned int i;
for (i = 0; i < ARRAY_SIZE(cpu->lg->pgdirs); i++)
if (cpu->lg->pgdirs[i].pgdir)
- do_set_pte(cpu, i, vaddr, gpte);
+ __guest_set_pte(cpu, i, vaddr, gpte);
} else {
/* Is this page table one we have a shadow for? */
int pgdir = find_pgdir(cpu->lg, gpgdir);
if (pgdir != ARRAY_SIZE(cpu->lg->pgdirs))
/* If so, do the update. */
- do_set_pte(cpu, pgdir, vaddr, gpte);
+ __guest_set_pte(cpu, pgdir, vaddr, gpte);
}
}
_
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