[Xen-devel] [PATCH] xen/arm: Fix rtds scheduler for arm

[Denis Drozdov <denys.drozdov@xxxxxxxxxxxxxxx>]

From: denys drozdov <denys.drozdov@xxxxxxxxxxxxxxx>

Make Credit2 and RT schedulers to run on arm platform
context_saved should be deferred on ARM after IRQs enabled

Signed-off-by: denys drozdov <denys.drozdov@xxxxxxxxxxxxxxx>
---
 xen/arch/arm/domain.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
index 7221bc8..1626376 100644
--- a/xen/arch/arm/domain.c
+++ b/xen/arch/arm/domain.c
@@ -64,7 +64,7 @@ static void ctxt_switch_from(struct vcpu *p)
      * mode. Therefore we don't need to save the context of an idle VCPU.
      */
     if ( is_idle_vcpu(p) )
-        goto end_context;
+        return;
 
     p2m_save_state(p);
 
@@ -138,9 +138,6 @@ static void ctxt_switch_from(struct vcpu *p)
     gic_save_state(p);
 
     isb();
-
-end_context:
-    context_saved(p);
 }
 
 static void ctxt_switch_to(struct vcpu *n)
@@ -246,6 +243,8 @@ static void schedule_tail(struct vcpu *prev)
 
     local_irq_enable();
 
+    context_saved(prev);
+
     if ( prev != current )
         update_runstate_area(current);
 
-- 
1.7.9.5


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