On Mon, Oct 08, 2012 at 09:39:15PM -0700, Yinghai Lu wrote: > All page table buf are pre-mapped, and could use _va to access them.
"__va", not "_va". And can you also include the name of the patch that makes them pre-mapped? > > Remove the not needed checking. <sigh> "Remove the ioremap check." > > Signed-off-by: Yinghai Lu <ying...@kernel.org> > Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> > Cc: Jeremy Fitzhardinge <jer...@goop.org> > --- > arch/x86/xen/mmu.c | 8 ++------ > 1 files changed, 2 insertions(+), 6 deletions(-) > > diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c > index 7a769b7..9c0956c 100644 > --- a/arch/x86/xen/mmu.c > +++ b/arch/x86/xen/mmu.c > @@ -1412,13 +1412,9 @@ static pte_t __init mask_rw_pte(pte_t *ptep, pte_t pte) > > /* > * If the new pfn is within the range of the newly allocated > - * kernel pagetable, and it isn't being mapped into an > - * early_ioremap fixmap slot as a freshly allocated page, make sure > - * it is RO. > + * kernel pagetable, make sure it is RO. > */ > - if (((!is_early_ioremap_ptep(ptep) && > - pfn >= pgt_buf_start && pfn < pgt_buf_top)) || > - (is_early_ioremap_ptep(ptep) && pfn != (pgt_buf_end - > 1))) > + if (pfn >= pgt_buf_start && pfn < pgt_buf_top) > pte = pte_wrprotect(pte); > > return pte; > -- > 1.7.7 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
