diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-08-05 11:47:45 +0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-08-05 11:47:45 +0400 |
| commit | 5d5768660539b6d0da0d46113ffb0676540579a6 (patch) | |
| tree | c0cd7a918fc7371c5f5b1b9b04c6358966850277 /arch/arm/include/asm/kvm_mmu.h | |
| parent | 5167d09ffad5b16b574d35ce3047ed34caf1e837 (diff) | |
| parent | dedf97e8ff2c7513b1370e36b56e08b6bd0f0290 (diff) | |
| download | linux-5d5768660539b6d0da0d46113ffb0676540579a6.tar.xz | |
Merge tag 'kvm-arm-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm
KVM/ARM New features for 3.17 include:
- Fixes and code refactoring for stage2 kvm MMU unmap_range
- Support unmapping IPAs on deleting memslots for arm and arm64
- Support MMIO mappings in stage2 faults
- KVM VGIC v2 emulation on GICv3 hardware
- Big-Endian support for arm/arm64 (guest and host)
- Debug Architecture support for arm64 (arm32 is on Christoffer's todo list)
Conflicts:
virt/kvm/arm/vgic.c [last minute cherry-pick from 3.17 to 3.16]
Diffstat (limited to 'arch/arm/include/asm/kvm_mmu.h')
| -rw-r--r-- | arch/arm/include/asm/kvm_mmu.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h index 5c7aa3c1519f..5cc0b0f5f72f 100644 --- a/arch/arm/include/asm/kvm_mmu.h +++ b/arch/arm/include/asm/kvm_mmu.h @@ -127,6 +127,18 @@ static inline void kvm_set_s2pmd_writable(pmd_t *pmd) (__boundary - 1 < (end) - 1)? __boundary: (end); \ }) +static inline bool kvm_page_empty(void *ptr) +{ + struct page *ptr_page = virt_to_page(ptr); + return page_count(ptr_page) == 1; +} + + +#define kvm_pte_table_empty(ptep) kvm_page_empty(ptep) +#define kvm_pmd_table_empty(pmdp) kvm_page_empty(pmdp) +#define kvm_pud_table_empty(pudp) (0) + + struct kvm; #define kvm_flush_dcache_to_poc(a,l) __cpuc_flush_dcache_area((a), (l)) |