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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/x86/xen/trace.c
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/xen/trace.c')
-rw-r--r--arch/x86/xen/trace.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/xen/trace.c b/arch/x86/xen/trace.c
new file mode 100644
index 000000000..329f60eb9
--- /dev/null
+++ b/arch/x86/xen/trace.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/ftrace.h>
+#include <xen/interface/xen.h>
+#include <xen/interface/xen-mca.h>
+
+#define HYPERCALL(x) [__HYPERVISOR_##x] = "("#x")",
+static const char *xen_hypercall_names[] = {
+#include <asm/xen-hypercalls.h>
+};
+#undef HYPERCALL
+
+static const char *xen_hypercall_name(unsigned op)
+{
+ if (op < ARRAY_SIZE(xen_hypercall_names) && xen_hypercall_names[op] != NULL)
+ return xen_hypercall_names[op];
+
+ return "";
+}
+
+#define CREATE_TRACE_POINTS
+#include <trace/events/xen.h>