Xen 
 
Home About Xen.org Xen Xen Summit Wiki Mailing List Bug Tracker Xen Downloads
 
   
 

xen-changelog

[Xen-changelog] [xen-unstable] [Mini-OS] Permit x86_64 trap handlers to

To: xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-changelog] [xen-unstable] [Mini-OS] Permit x86_64 trap handlers to return
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Sat, 24 Nov 2007 19:00:16 -0800
Delivery-date: Sat, 24 Nov 2007 19:01:02 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-changelog-request@lists.xensource.com?subject=help>
List-id: BK change log <xen-changelog.lists.xensource.com>
List-post: <mailto:xen-changelog@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=unsubscribe>
Reply-to: xen-devel@xxxxxxxxxxxxxxxxxxx
Sender: xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx
# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1195911061 0
# Node ID 2c52520f3284525741aedd55ab06a41cd2c784fd
# Parent  ee519207734fcd9874647268f756a6c503963782
[Mini-OS] Permit x86_64 trap handlers to return

Trap handlers sometimes fix the problem, so they need to be able to
return.

Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxx>
---
 extras/mini-os/arch/x86/x86_64.S |    1 +
 1 files changed, 1 insertion(+)

diff -r ee519207734f -r 2c52520f3284 extras/mini-os/arch/x86/x86_64.S
--- a/extras/mini-os/arch/x86/x86_64.S  Sat Nov 24 13:29:20 2007 +0000
+++ b/extras/mini-os/arch/x86/x86_64.S  Sat Nov 24 13:31:01 2007 +0000
@@ -193,6 +193,7 @@ error_call_handler:
        movq ORIG_RAX(%rsp),%rsi        # get error code 
        movq $-1,ORIG_RAX(%rsp)
        call *%rax
+       jmp error_exit
 
 .macro zeroentry sym
 #      INTR_FRAME

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-changelog] [xen-unstable] [Mini-OS] Permit x86_64 trap handlers to return, Xen patchbot-unstable <=