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authorChristophe Leroy <christophe.leroy@c-s.fr>2018-10-09 13:51:47 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2018-10-14 18:04:09 +1100
commitd81e6f8b7c6600c891cd133312061d23d4e6690c (patch)
treedf175e228869d789cd4d1ad7d3c7b7f5815a5928 /arch/powerpc/mm
parentc766ee72235d09b0080f77474085fc17d6ae2fb1 (diff)
downloadlinux-d81e6f8b7c6600c891cd133312061d23d4e6690c.tar.gz
powerpc/mm: don't use _PAGE_EXEC in book3s/32
book3s/32 doesn't define _PAGE_EXEC, so no need to use it.

All other platforms define _PAGE_EXEC so no need to check
it is not NUL when not book3s/32.

Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/pgtable.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index aee04b209b51..f97d9c3760e3 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -73,7 +73,7 @@ static struct page *maybe_pte_to_page(pte_t pte)
 	return page;
 }
 
-#if defined(CONFIG_PPC_STD_MMU) || _PAGE_EXEC == 0
+#ifdef CONFIG_PPC_BOOK3S
 
 /* Server-style MMU handles coherency when hashing if HW exec permission
  * is supposed per page (currently 64-bit only). If not, then, we always
@@ -106,7 +106,7 @@ static pte_t set_access_flags_filter(pte_t pte, struct vm_area_struct *vma,
 	return pte;
 }
 
-#else /* defined(CONFIG_PPC_STD_MMU) || _PAGE_EXEC == 0 */
+#else /* CONFIG_PPC_BOOK3S */
 
 /* Embedded type MMU with HW exec support. This is a bit more complicated
  * as we don't have two bits to spare for _PAGE_EXEC and _PAGE_HWEXEC so
@@ -179,7 +179,7 @@ static pte_t set_access_flags_filter(pte_t pte, struct vm_area_struct *vma,
 	return __pte(pte_val(pte) | _PAGE_EXEC);
 }
 
-#endif /* !(defined(CONFIG_PPC_STD_MMU) || _PAGE_EXEC == 0) */
+#endif /* CONFIG_PPC_BOOK3S */
 
 /*
  * set_pte stores a linux PTE into the linux page table.