From: Benjamin Sanda <ben.sanda@dornerworks.com>
Date: Fri, 21 Dec 2018 16:26:48 +0000 (+0000)
Subject: xen/arm: Initialize trace buffer
X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~2711
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=4e191a854dedfb9774bf6797a32266d333cb79f5;p=xen.git

xen/arm: Initialize trace buffer

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@dornerworks.com>
[julien: rework commit message]
Signed-off-by: Julien Grall <julien.grall@arm.com>
Reviewed-by: Andrii Anisov <andrii_anisov@epam.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
---

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();