[xen staging] xen/arm: setup: Call unregister_init_virtual_region() after the last init function

[patchbot@xxxxxxx]

commit cf6dbed22ac3c917fd5457014c66840addf2bf0f
Author:     Julien Grall <jgrall@xxxxxxxxxx>
AuthorDate: Thu Nov 19 19:07:48 2020 +0000
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Sat Jan 23 11:42:03 2021 +0000

    xen/arm: setup: Call unregister_init_virtual_region() after the last init 
function
    
    discard_init_modules() is an init function, if the path contains a
    BUG() or WARN() we still want to get the full stack trace.
    
    The init virtual region is now kept after the last init function has
    been called.
    
    Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
    Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
---
 xen/arch/arm/setup.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index 7fcff9af2a..2532ec9739 100644
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -72,10 +72,11 @@ domid_t __read_mostly max_init_domid;
 
 static __used void init_done(void)
 {
+    discard_initial_modules();
+
     /* Must be done past setting system_state. */
     unregister_init_virtual_region();
 
-    discard_initial_modules();
     free_init_memory();
     startup_cpu_idle_loop();
 }
--
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