This causes NMIs, #DB and #MC to be counted, rather than being reported as 0.
Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
---
CC: Jan Beulich <jbeul...@suse.com>
CC: Roger Pau Monné <roger....@citrix.com>
CC: Wei Liu <w...@xen.org>
---
xen/arch/x86/x86_64/entry.S | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/xen/arch/x86/x86_64/entry.S b/xen/arch/x86/x86_64/entry.S
index d5998acf8806..3caa5654768d 100644
--- a/xen/arch/x86/x86_64/entry.S
+++ b/xen/arch/x86/x86_64/entry.S
@@ -1005,6 +1005,13 @@ handle_ist_exception:
#endif
movq %rsp,%rdi
movzbl UREGS_entry_vector(%rsp),%eax
+
+#ifdef CONFIG_PERF_COUNTERS
+ lea per_cpu__perfcounters(%rip), %rcx
+ add STACK_CPUINFO_FIELD(per_cpu_offset)(%r14), %rcx
+ incl ASM_PERFC_exceptions * 4(%rcx, %rax, 4)
+#endif
+
leaq exception_table(%rip),%rdx
mov (%rdx, %rax, 8), %rdx
INDIRECT_CALL %rdx
--
2.11.0
