diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2023-09-25 20:31:20 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-10-19 17:12:44 +1100 |
| commit | da9554e0fe3c7b46912a361a803b50f2655ff30f (patch) | |
| tree | af25724a05e90df6fff859521faaf1c92b61a61f /arch/powerpc/include/asm/nohash/pgtable.h | |
| parent | 93f81f6eea10f497e892c52998a2194b4e16c91d (diff) | |
powerpc: Refactor update_mmu_cache_range()
On nohash, this function voids except for E500 with hugepages.
On book3s, this function is for hash MMUs only.
Combine those tests and rename E500 update_mmu_cache_range()
as __update_mmu_cache() which gets called by
update_mmu_cache_range().
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/b029842cb6783cbeb43d202e69a90341d65295a4.1695659959.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/nohash/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/pgtable.h | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index 5b6647fb398b..a9056f4fad48 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -259,20 +259,5 @@ static inline int pud_huge(pud_t pud) #define is_hugepd(hpd) (hugepd_ok(hpd)) #endif -/* - * This gets called at the end of handling a page fault, when - * the kernel has put a new PTE into the page table for the process. - * We use it to ensure coherency between the i-cache and d-cache - * for the page which has just been mapped in. - */ -#if defined(CONFIG_PPC_E500) && defined(CONFIG_HUGETLB_PAGE) -void update_mmu_cache_range(struct vm_fault *vmf, struct vm_area_struct *vma, - unsigned long address, pte_t *ptep, unsigned int nr); -#else -static inline void update_mmu_cache_range(struct vm_fault *vmf, - struct vm_area_struct *vma, unsigned long address, - pte_t *ptep, unsigned int nr) {} -#endif - #endif /* __ASSEMBLY__ */ #endif |