Drop support for kernels < 4.4 from kvm instrumentation

[lttng-modules.git] / include / instrumentation / events / arch / x86 / kvm / mmutrace.h

diff --git a/include/instrumentation/events/arch/x86/kvm/mmutrace.h b/include/instrumentation/events/arch/x86/kvm/mmutrace.h
index e20cda20560a68dd4d7587f34ee441a9240f34fb..4107b6ef25f3211d816bf8257c256d8eeb7f57cc 100644 (file)
--- a/include/instrumentation/events/arch/x86/kvm/mmutrace.h
+++ b/include/instrumentation/events/arch/x86/kvm/mmutrace.h
@@ -5,11 +5,7 @@
 #include <lttng/tracepoint-event.h>
 #include <lttng/kernel-version.h>
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0))
 #include <linux/trace_events.h>
-#else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
-#include <linux/ftrace_event.h>
-#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm_mmu
@@ -23,7 +19,7 @@
        ctf_integer(__u32, root_count, (sp)->root_count) \
        ctf_integer(bool, unsync, (sp)->unsync)
 
-#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0))
+#else
 
 #define LTTNG_KVM_MMU_PAGE_FIELDS \
        ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \
@@ -32,17 +28,8 @@
        ctf_integer(__u32, root_count, (sp)->root_count) \
        ctf_integer(bool, unsync, (sp)->unsync)
 
-#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0)) */
-
-#define LTTNG_KVM_MMU_PAGE_FIELDS \
-       ctf_integer(__u64, gfn, (sp)->gfn) \
-       ctf_integer(__u32, role, (sp)->role.word) \
-       ctf_integer(__u32, root_count, (sp)->root_count) \
-       ctf_integer(bool, unsync, (sp)->unsync)
-
-#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0)) */
+#endif
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,6,0))
 /*
  * A pagetable walk has started
  */
@@ -56,23 +43,6 @@ LTTNG_TRACEPOINT_EVENT(
                ctf_integer(__u32, pferr, pferr)
        )
 )
-#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,6,0)) */
-/*
- * A pagetable walk has started
- */
-LTTNG_TRACEPOINT_EVENT(
-       kvm_mmu_pagetable_walk,
-       TP_PROTO(u64 addr, int write_fault, int user_fault, int fetch_fault),
-       TP_ARGS(addr, write_fault, user_fault, fetch_fault),
-
-       TP_FIELDS(
-               ctf_integer_hex(__u64, addr, addr)
-               ctf_integer(__u32, pferr,
-                       (!!write_fault << 1) | (!!user_fault << 2)
-                       | (!!fetch_fault << 4))
-       )
-)
-#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,6,0)) */
 
 /* We just walked a paging element */
 LTTNG_TRACEPOINT_EVENT(
@@ -181,7 +151,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(
        )
 )
 
-#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0))
+#else
 
 LTTNG_TRACEPOINT_EVENT_MAP(
        mark_mmio_spte,
@@ -198,25 +168,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(
                ctf_integer(unsigned int, gen, gen)
        )
 )
-
-#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0)) */
-
-LTTNG_TRACEPOINT_EVENT_MAP(
-       mark_mmio_spte,
-
-       kvm_mmu_mark_mmio_spte,
-
-       TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access),
-       TP_ARGS(sptep, gfn, access),
-
-       TP_FIELDS(
-               ctf_integer_hex(void *, sptep, sptep)
-               ctf_integer(gfn_t, gfn, gfn)
-               ctf_integer(unsigned, access, access)
-       )
-)
-
-#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0)) */
+#endif
 
 LTTNG_TRACEPOINT_EVENT_MAP(
        handle_mmio_page_fault,