[Xen-devel] [PATCH for-4.12 v3 6/8] xen/arm: Initialize trace buffer

[Julien Grall <julien.grall@xxxxxxx>]

From: Benjamin Sanda <ben.sanda@xxxxxxxxxxxxxxx>

Now that we allow a privileged domain to map tracing buffer, initialize
them so a user can effectively trace Xen.

Signed-off-by: Benjamin Sanda <ben.sanda@xxxxxxxxxxxxxxx>
[julien: rework commit message]
Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
Reviewed-by: Andrii Anisov <andrii_anisov@xxxxxxxx>
Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

---
    Changes in v3:
        - Add Stefano's acked-by

    Changes in v2:
        - Add Andrii's reviewed-by
---
 xen/arch/arm/setup.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index fb923cdf67..444857a967 100644
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -36,6 +36,7 @@
 #include <xen/pfn.h>
 #include <xen/virtual_region.h>
 #include <xen/vmap.h>
+#include <xen/trace.h>
 #include <xen/libfdt/libfdt.h>
 #include <xen/acpi.h>
 #include <asm/alternative.h>
@@ -899,6 +900,8 @@ void __init start_xen(unsigned long boot_phys_offset,
 
     heap_init_late();
 
+    init_trace_bufs();
+
     init_constructors();
 
     console_endboot();
-- 
2.11.0


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