From: Wei Liu <liuwe@microsoft.com>
Date: Wed, 11 Dec 2019 11:33:03 +0000 (+0000)
Subject: x86: add a comment regarding the location of hypervisor_probe
X-Git-Tag: 4.14.0-rc1~968
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=80268f63640f5c3a9a4e1c688a62e35448fde9e2;p=xen.git

x86: add a comment regarding the location of hypervisor_probe

Signed-off-by: Wei Liu <liuwe@microsoft.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
---

diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index fc049eaac8..501f3f5e4b 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -764,6 +764,10 @@ void __init noreturn __start_xen(unsigned long mbi_p)
      * allocing any xenheap structures wanted in lower memory. */
     kexec_early_calculations();
 
+    /*
+     * The probing has to be done _before_ initialising console,
+     * otherwise we couldn't set up Xen's PV console correctly.
+     */
     hypervisor_name = hypervisor_probe();
 
     parse_video_info();