All page table buf are pre-mapped, and could use _va to access them.
Remove the not needed checking.
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
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