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authorLinus Torvalds <torvalds@linux-foundation.org>2019-02-17 08:36:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-02-17 08:36:21 -0800
commitc5f1ac5e9afb199638414be77cbc22eb68e14d97 (patch)
parent0513ebc33ed6b590bfbaaf21cd7b3d571c20edb9 (diff)
parenta58007621be33e9f7c7bed5d5ff8ecb914e1044a (diff)
Merge tag 'powerpc-5.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman: "Just one fix, for pgd/pud_present() which were broken on big endian since v4.20, leading to possible data corruption. Thanks to: Aneesh Kumar K.V., Erhard F., Jan Kara" * tag 'powerpc-5.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64s: Fix possible corruption on big endian due to pgd/pud_present()
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index c9bfe526ca9d..d8c8d7c9df15 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -904,7 +904,7 @@ static inline int pud_none(pud_t pud)
static inline int pud_present(pud_t pud)
- return (pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT));
+ return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT));
extern struct page *pud_page(pud_t pud);
@@ -951,7 +951,7 @@ static inline int pgd_none(pgd_t pgd)
static inline int pgd_present(pgd_t pgd)
- return (pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT));
+ return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT));
static inline pte_t pgd_pte(pgd_t pgd)