Merge tag 'kvmarm-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm updates for Linux 5.5:

- Allow non-ISV data aborts to be reported to userspace
- Allow injection of data aborts from userspace
- Expose stolen time to guests
- GICv4 performance improvements
- vgic ITS emulation fixes
- Simplify FWB handling
- Enable halt pool counters
- Make the emulated timer PREEMPT_RT compliant

Conflicts:
	include/uapi/linux/kvm.h
This commit is contained in:
Paolo Bonzini
2019-11-21 09:58:35 +01:00
55 changed files with 1017 additions and 277 deletions

View File

@@ -741,6 +741,28 @@ int kvm_write_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
unsigned long len);
int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
gpa_t gpa, unsigned long len);
#define __kvm_put_guest(kvm, gfn, offset, value, type) \
({ \
unsigned long __addr = gfn_to_hva(kvm, gfn); \
type __user *__uaddr = (type __user *)(__addr + offset); \
int __ret = -EFAULT; \
\
if (!kvm_is_error_hva(__addr)) \
__ret = put_user(value, __uaddr); \
if (!__ret) \
mark_page_dirty(kvm, gfn); \
__ret; \
})
#define kvm_put_guest(kvm, gpa, value, type) \
({ \
gpa_t __gpa = gpa; \
struct kvm *__kvm = kvm; \
__kvm_put_guest(__kvm, __gpa >> PAGE_SHIFT, \
offset_in_page(__gpa), (value), type); \
})
int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);
int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
@@ -1237,7 +1259,7 @@ extern unsigned int halt_poll_ns_grow_start;
extern unsigned int halt_poll_ns_shrink;
struct kvm_device {
struct kvm_device_ops *ops;
const struct kvm_device_ops *ops;
struct kvm *kvm;
void *private;
struct list_head vm_node;
@@ -1290,7 +1312,7 @@ struct kvm_device_ops {
void kvm_device_get(struct kvm_device *dev);
void kvm_device_put(struct kvm_device *dev);
struct kvm_device *kvm_device_from_filp(struct file *filp);
int kvm_register_device_ops(struct kvm_device_ops *ops, u32 type);
int kvm_register_device_ops(const struct kvm_device_ops *ops, u32 type);
void kvm_unregister_device_ops(u32 type);
extern struct kvm_device_ops kvm_mpic_ops;