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| author |   Alexander Gordeev <agordeev@linux.ibm.com> | 2021-02-12 07:43:16 +0100 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2021-02-24 00:31:22 +0100 |
| commit | 86c827b39ebb200c65c01d2ed490ee15874efe71 (patch) | |
| tree | 9c329bdaaaaf39e5a07a0aaccb6a1000719ee7fa /arch/s390/include/asm/pgtable.h | |
| parent | s390/opcodes: rename selhhhr to selfhr (diff) | |
| download | linux-dev-86c827b39ebb200c65c01d2ed490ee15874efe71.tar.xz linux-dev-86c827b39ebb200c65c01d2ed490ee15874efe71.zip | |
s390/mm: make pXd_deref() macros return a pointer
This update fixes semantics of pXd_deref macros which
are expected to return a CPU-addressable pointer.
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 794746a32806..40abab9daa66 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1219,8 +1219,8 @@ static inline pte_t mk_pte(struct page *page, pgprot_t pgprot) #define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1)) #define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) -#define p4d_deref(pud) (p4d_val(pud) & _REGION_ENTRY_ORIGIN) -#define pgd_deref(pgd) (pgd_val(pgd) & _REGION_ENTRY_ORIGIN) +#define p4d_deref(pud) ((unsigned long)__va(p4d_val(pud) & _REGION_ENTRY_ORIGIN)) +#define pgd_deref(pgd) ((unsigned long)__va(pgd_val(pgd) & _REGION_ENTRY_ORIGIN)) static inline unsigned long pmd_deref(pmd_t pmd) { @@ -1229,12 +1229,12 @@ static inline unsigned long pmd_deref(pmd_t pmd) origin_mask = _SEGMENT_ENTRY_ORIGIN; if (pmd_large(pmd)) origin_mask = _SEGMENT_ENTRY_ORIGIN_LARGE; - return pmd_val(pmd) & origin_mask; + return (unsigned long)__va(pmd_val(pmd) & origin_mask); } static inline unsigned long pmd_pfn(pmd_t pmd) { - return pmd_deref(pmd) >> PAGE_SHIFT; + return __pa(pmd_deref(pmd)) >> PAGE_SHIFT; } static inline unsigned long pud_deref(pud_t pud) @@ -1244,12 +1244,12 @@ static inline unsigned long pud_deref(pud_t pud) origin_mask = _REGION_ENTRY_ORIGIN; if (pud_large(pud)) origin_mask = _REGION3_ENTRY_ORIGIN_LARGE; - return pud_val(pud) & origin_mask; + return (unsigned long)__va(pud_val(pud) & origin_mask); } static inline unsigned long pud_pfn(pud_t pud) { - return pud_deref(pud) >> PAGE_SHIFT; + return __pa(pud_deref(pud)) >> PAGE_SHIFT; } /* |