[Xen-devel] [PATCH V2 4/6] mini-os/x86-64 entry: remove unnecessary event blocking

[Xu Zhang <xzhang@xxxxxxxxxx>]

We don't need to block events here because:
 - if we came from "hypervisor_callback", events are disabled at this point,
   no need to block again;
 - if we came from "error_entry", we shouldn't touch event mask, for
   exception hanlding are meant to be interrupted by Xen events (virtual
   irq).

Signed-off-by: Xu Zhang <xzhang@xxxxxxxxxx>
Acked-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
---
 extras/mini-os/arch/x86/x86_64.S |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/extras/mini-os/arch/x86/x86_64.S b/extras/mini-os/arch/x86/x86_64.S
index d9b34a7..909024d 100644
--- a/extras/mini-os/arch/x86/x86_64.S
+++ b/extras/mini-os/arch/x86/x86_64.S
@@ -186,7 +186,6 @@ ENTRY(hypervisor_callback2)
 
 error_exit:
        RESTORE_REST
-       XEN_BLOCK_EVENTS(%rsi)          
 
 retint_kernel:
 retint_restore_args:
-- 
1.7.7.6


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