[Uclinux-h8-devel] [PATCH v4 04/14] hexagon: remove __ARCH_USE_5LEVEL_HACK

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Mike Rapoport rppt****@kerne*****
2020年 4月 15日 (水) 00:34:45 JST


From: Mike Rapoport <rppt****@linux*****>

The hexagon architecture has 2 level page tables and as such most of the
page table folding is already implemented in asm-generic/pgtable-nopmd.h.

Fixup the only place in arch/hexagon to unfold the p4d level and remove
__ARCH_USE_5LEVEL_HACK.

Signed-off-by: Mike Rapoport <rppt****@linux*****>
---
 arch/hexagon/include/asm/fixmap.h  | 4 ++--
 arch/hexagon/include/asm/pgtable.h | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/hexagon/include/asm/fixmap.h b/arch/hexagon/include/asm/fixmap.h
index 933dac167504..97b1b062e750 100644
--- a/arch/hexagon/include/asm/fixmap.h
+++ b/arch/hexagon/include/asm/fixmap.h
@@ -16,7 +16,7 @@
 #include <asm-generic/fixmap.h>
 
 #define kmap_get_fixmap_pte(vaddr) \
-	pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), \
-				(vaddr)), (vaddr)), (vaddr))
+	pte_offset_kernel(pmd_offset(pud_offset(p4d_offset(pgd_offset_k(vaddr), \
+				(vaddr)), (vaddr)), (vaddr)), (vaddr))
 
 #endif
diff --git a/arch/hexagon/include/asm/pgtable.h b/arch/hexagon/include/asm/pgtable.h
index d383e8bea5b2..2a17d4eb2fa4 100644
--- a/arch/hexagon/include/asm/pgtable.h
+++ b/arch/hexagon/include/asm/pgtable.h
@@ -12,7 +12,6 @@
  * Page table definitions for Qualcomm Hexagon processor.
  */
 #include <asm/page.h>
-#define __ARCH_USE_5LEVEL_HACK
 #include <asm-generic/pgtable-nopmd.h>
 
 /* A handy thing to have if one has the RAM. Declared in head.S */
-- 
2.25.1



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