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| author |   Andrew Jones <drjones@redhat.com> | 2020-08-04 19:06:01 +0200 |
|---|---|---|
| committer |   Marc Zyngier <maz@kernel.org> | 2020-08-21 14:04:14 +0100 |
| commit | 4d2d4ce001f283ed8127173543b4cfb65641e357 (patch) | |
| tree | b5b89b639c50992b6f10cd3dd23eace72238db65 /include | |
| parent | KVM: arm64: pvtime: Fix potential loss of stolen time (diff) | |
| download | wireguard-linux-4d2d4ce001f283ed8127173543b4cfb65641e357.tar.xz wireguard-linux-4d2d4ce001f283ed8127173543b4cfb65641e357.zip | |
KVM: arm64: Drop type input from kvm_put_guest
We can use typeof() to avoid the need for the type input.
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200804170604.42662-4-drjones@redhat.com
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/kvm_host.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index a23076765b4c..84371fb06209 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -749,25 +749,26 @@ int kvm_write_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, 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) \ +#define __kvm_put_guest(kvm, gfn, offset, v) \ ({ \ unsigned long __addr = gfn_to_hva(kvm, gfn); \ - type __user *__uaddr = (type __user *)(__addr + offset); \ + typeof(v) __user *__uaddr = (typeof(__uaddr))(__addr + offset); \ int __ret = -EFAULT; \ \ if (!kvm_is_error_hva(__addr)) \ - __ret = put_user(value, __uaddr); \ + __ret = put_user(v, __uaddr); \ if (!__ret) \ mark_page_dirty(kvm, gfn); \ __ret; \ }) -#define kvm_put_guest(kvm, gpa, value, type) \ +#define kvm_put_guest(kvm, gpa, v) \ ({ \ gpa_t __gpa = gpa; \ struct kvm *__kvm = kvm; \ + \ __kvm_put_guest(__kvm, __gpa >> PAGE_SHIFT, \ - offset_in_page(__gpa), (value), type); \ + offset_in_page(__gpa), v); \ }) int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len); |