[v3,17/24] powerpc/mm: Move pte_user() into nohash/pgtable.h

Message ID 8549b86165e90d6f3a2b0423fc731048358e1aa1.1539092112.git.christophe.leroy@c-s.fr
State Accepted
Commit e0f57031ca0b52f7db4bad57db4037a7daa546c3
Headers show
Series
  • ban the use of _PAGE_XXX flags outside platform specific code
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Commit Message

Christophe Leroy Oct. 9, 2018, 1:52 p.m.
Now the pte-common.h is only for nohash platforms, lets
move pte_user() helper out of pte-common.h to put it
together with other helpers.

Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/include/asm/nohash/pgtable.h | 10 ++++++++++
 arch/powerpc/include/asm/pte-common.h     | 13 -------------
 2 files changed, 10 insertions(+), 13 deletions(-)

Patch

diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
index 062d96233673..8de3b7eb88b0 100644
--- a/arch/powerpc/include/asm/nohash/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/pgtable.h
@@ -52,6 +52,16 @@  static inline bool pte_hw_valid(pte_t pte)
 }
 
 /*
+ * Don't just check for any non zero bits in __PAGE_USER, since for book3e
+ * and PTE_64BIT, PAGE_KERNEL_X contains _PAGE_BAP_SR which is also in
+ * _PAGE_USER.  Need to explicitly match _PAGE_BAP_UR bit in that case too.
+ */
+static inline bool pte_user(pte_t pte)
+{
+	return (pte_val(pte) & (_PAGE_USER | _PAGE_PRIVILEGED)) == _PAGE_USER;
+}
+
+/*
  * We only find page table entry in the last level
  * Hence no need for other accessors
  */
diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h
index 3a8ec18ffd22..556a914ff845 100644
--- a/arch/powerpc/include/asm/pte-common.h
+++ b/arch/powerpc/include/asm/pte-common.h
@@ -66,19 +66,6 @@ 
 #define _PTE_NONE_MASK	0
 #endif
 
-#ifndef __ASSEMBLY__
-
-/*
- * Don't just check for any non zero bits in __PAGE_USER, since for book3e
- * and PTE_64BIT, PAGE_KERNEL_X contains _PAGE_BAP_SR which is also in
- * _PAGE_USER.  Need to explicitly match _PAGE_BAP_UR bit in that case too.
- */
-static inline bool pte_user(pte_t pte)
-{
-	return (pte_val(pte) & (_PAGE_USER | _PAGE_PRIVILEGED)) == _PAGE_USER;
-}
-#endif /* __ASSEMBLY__ */
-
 /* Location of the PFN in the PTE. Most 32-bit platforms use the same
  * as _PAGE_SHIFT here (ie, naturally aligned).
  * Platform who don't just pre-define the value so we don't override it here