[Xen-changelog] [xen-unstable] hvm: Pause domain during state save/load.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Date 1180623927 -3600
# Node ID 2d3034d0b36b380da7f5769638a21f55c0fda0d7
# Parent  f6ff5d42164fb0b2257da5accd1352891629a96c
hvm: Pause domain during state save/load.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 xen/arch/x86/domctl.c |    4 ++++
 1 files changed, 4 insertions(+)

diff -r f6ff5d42164f -r 2d3034d0b36b xen/arch/x86/domctl.c
--- a/xen/arch/x86/domctl.c     Thu May 31 14:51:09 2007 +0100
+++ b/xen/arch/x86/domctl.c     Thu May 31 16:05:27 2007 +0100
@@ -317,7 +317,9 @@ long arch_do_domctl(
         if ( copy_from_guest(c.data, domctl->u.hvmcontext.buffer, c.size) != 0)
             goto sethvmcontext_out;
 
+        domain_pause(d);
         ret = hvm_load(d, &c);
+        domain_unpause(d);
 
     sethvmcontext_out:
         if ( c.data != NULL )
@@ -362,7 +364,9 @@ long arch_do_domctl(
         if ( (c.data = xmalloc_bytes(c.size)) == NULL )
             goto gethvmcontext_out;
 
+        domain_pause(d);
         ret = hvm_save(d, &c);
+        domain_unpause(d);
 
         domctl->u.hvmcontext.size = c.cur;
         if ( copy_to_guest(domctl->u.hvmcontext.buffer, c.data, c.size) != 0 )

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