The expression (sp)->gfn should not be expanded using @gfn.
Although no user of these macros passes a string other than gfn now,
this should be fixed before anyone sees strange errors.
Note: ignored the following checkpatch errors:
ERROR: Macros with complex values should be enclosed in parenthesis
ERROR: trailing statements should be on next line
Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@xxxxxxxxxxxxx>
---
arch/x86/kvm/mmu.c | 18 ++++++++----------
1 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 956ca35..3e4822b 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1644,16 +1644,14 @@ static int kvm_mmu_prepare_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp,
static void kvm_mmu_commit_zap_page(struct kvm *kvm,
struct list_head *invalid_list);
-#define for_each_gfn_sp(kvm, sp, gfn) \
- hlist_for_each_entry(sp, \
- &(kvm)->arch.mmu_page_hash[kvm_page_table_hashfn(gfn)], hash_link) \
- if ((sp)->gfn != (gfn)) {} else
-
-#define for_each_gfn_indirect_valid_sp(kvm, sp, gfn) \
- hlist_for_each_entry(sp, \
- &(kvm)->arch.mmu_page_hash[kvm_page_table_hashfn(gfn)], hash_link) \
- if ((sp)->gfn != (gfn) || (sp)->role.direct || \
- (sp)->role.invalid) {} else
+#define for_each_gfn_sp(_kvm, _sp, _gfn) \
+ hlist_for_each_entry(_sp, \
+ &(_kvm)->arch.mmu_page_hash[kvm_page_table_hashfn(_gfn)], hash_link) \
+ if ((_sp)->gfn != (_gfn)) {} else
+
+#define for_each_gfn_indirect_valid_sp(_kvm, _sp, _gfn) \
+ for_each_gfn_sp(_kvm, _sp, _gfn) \
+ if ((_sp)->role.direct || (_sp)->role.invalid) {} else
/* @sp->gfn should be write-protected at the call site */
static int __kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
--
1.7.5.4
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