diff options
Diffstat (limited to 'virt/kvm/arm/mmu.c')
| -rw-r--r-- | virt/kvm/arm/mmu.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index 761787befd3b..876caf531d32 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -623,21 +623,15 @@ static int create_hyp_pud_mappings(pgd_t *pgd, unsigned long start, return 0; } -static int __create_hyp_mappings(pgd_t *pgdp, +static int __create_hyp_mappings(pgd_t *pgdp, unsigned long ptrs_per_pgd, unsigned long start, unsigned long end, unsigned long pfn, pgprot_t prot) { pgd_t *pgd; pud_t *pud; - unsigned long addr, next, ptrs_per_pgd = PTRS_PER_PGD; + unsigned long addr, next; int err = 0; - /* - * If it's not the hyp_pgd, fall back to the kvm idmap layout. - */ - if (pgdp != hyp_pgd) - ptrs_per_pgd = __kvm_idmap_ptrs_per_pgd(); - mutex_lock(&kvm_hyp_pgd_mutex); addr = start & PAGE_MASK; end = PAGE_ALIGN(end); @@ -705,8 +699,8 @@ int create_hyp_mappings(void *from, void *to, pgprot_t prot) int err; phys_addr = kvm_kaddr_to_phys(from + virt_addr - start); - err = __create_hyp_mappings(hyp_pgd, virt_addr, - virt_addr + PAGE_SIZE, + err = __create_hyp_mappings(hyp_pgd, PTRS_PER_PGD, + virt_addr, virt_addr + PAGE_SIZE, __phys_to_pfn(phys_addr), prot); if (err) @@ -737,7 +731,7 @@ int create_hyp_io_mappings(void *from, void *to, phys_addr_t phys_addr) if (!is_vmalloc_addr(from) || !is_vmalloc_addr(to - 1)) return -EINVAL; - return __create_hyp_mappings(hyp_pgd, start, end, + return __create_hyp_mappings(hyp_pgd, PTRS_PER_PGD, start, end, __phys_to_pfn(phys_addr), PAGE_HYP_DEVICE); } @@ -1743,7 +1737,7 @@ static int kvm_map_idmap_text(pgd_t *pgd) int err; /* Create the idmap in the boot page tables */ - err = __create_hyp_mappings(pgd, + err = __create_hyp_mappings(pgd, __kvm_idmap_ptrs_per_pgd(), hyp_idmap_start, hyp_idmap_end, __phys_to_pfn(hyp_idmap_start), PAGE_HYP_EXEC); |