From: Sean Christopherson <sean.j.christopherson@intel.com>
Date: Thu, 12 Sep 2019 19:46:05 -0700
Subject: KVM: x86/mmu: Revert "Revert "KVM: MMU: show mmu_valid_gen in shadow
page related tracepoints""
Git-commit: dd6223c76205c5eec16d12d8ea7cd9090e537357
Patch-mainline: v5.4-rc1
References: bsc#1164362
Now that the fast invalidate mechanism has been reintroduced, restore
tracing of the generation number in shadow page tracepoints.
This reverts commit b59c4830ca185ba0e9f9e046fb1cd10a4a92627a.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
---
arch/x86/kvm/mmutrace.h | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index d8001b4bca05..e9832b5ec53c 100644
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -8,16 +8,18 @@
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvmmmu
-#define KVM_MMU_PAGE_FIELDS \
- __field(__u64, gfn) \
- __field(__u32, role) \
- __field(__u32, root_count) \
+#define KVM_MMU_PAGE_FIELDS \
+ __field(unsigned long, mmu_valid_gen) \
+ __field(__u64, gfn) \
+ __field(__u32, role) \
+ __field(__u32, root_count) \
__field(bool, unsync)
-#define KVM_MMU_PAGE_ASSIGN(sp) \
- __entry->gfn = sp->gfn; \
- __entry->role = sp->role.word; \
- __entry->root_count = sp->root_count; \
+#define KVM_MMU_PAGE_ASSIGN(sp) \
+ __entry->mmu_valid_gen = sp->mmu_valid_gen; \
+ __entry->gfn = sp->gfn; \
+ __entry->role = sp->role.word; \
+ __entry->root_count = sp->root_count; \
__entry->unsync = sp->unsync;
#define KVM_MMU_PAGE_PRINTK() ({ \
@@ -29,8 +31,9 @@
\
role.word = __entry->role; \
\
- trace_seq_printf(p, "sp gfn %llx l%u %u-byte q%u%s %s%s" \
+ trace_seq_printf(p, "sp gen %lx gfn %llx l%u %u-byte q%u%s %s%s"\
" %snxe %sad root %u %s%c", \
+ __entry->mmu_valid_gen, \
__entry->gfn, role.level, \
role.gpte_is_8_bytes ? 8 : 4, \
role.quadrant, \