File 24478-libxl_add_feature_flag_to_xenstore_for_XS... of Package xen

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File 24478-libxl_add_feature_flag_to_xenstore_for_XS_RESET_WATCHES.patch of Package xen

changeset:   24478:ef99b8571a6f
user:        Olaf Hering <olaf@aepfle.de>
date:        Thu Jan 05 19:40:40 2012 +0100
files:       tools/libxl/libxl_create.c tools/python/xen/xend/XendDomainInfo.py
description:
libxl: add feature flag to xenstore for XS_RESET_WATCHES

Tell guest about availibilty of xenstoreds XS_RESET_WATCHES function.
Guests can not issue this command unconditionally because some buggy
toolstacks (such as EC2) do not ignore unknown commands properly.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>

---
 tools/libxl/libxl_create.c              |    1 +
 tools/python/xen/xend/XendDomainInfo.py |    1 +
 2 files changed, 2 insertions(+)

Index: xen-4.1.2-testing/tools/libxl/libxl_create.c
===================================================================
--- xen-4.1.2-testing.orig/tools/libxl/libxl_create.c
+++ xen-4.1.2-testing/tools/libxl/libxl_create.c
@@ -382,6 +382,7 @@ retry_transaction:
     libxl__xs_writev(&gc, t, libxl__sprintf(&gc, "%s/platform", dom_path), info->platformdata);
 
     xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1);
+    xs_write(ctx->xsh, t, libxl__sprintf(&gc, "%s/control/platform-feature-xs_reset_watches", dom_path), "1", 1);
     if (!xs_transaction_end(ctx->xsh, t, 0)) {
         if (errno == EAGAIN) {
             t = 0;
Index: xen-4.1.2-testing/tools/python/xen/xend/XendDomainInfo.py
===================================================================
--- xen-4.1.2-testing.orig/tools/python/xen/xend/XendDomainInfo.py
+++ xen-4.1.2-testing/tools/python/xen/xend/XendDomainInfo.py
@@ -1770,6 +1770,7 @@ class XendDomainInfo:
         f('store/port',       self.store_port)
         f('store/ring-ref',   self.store_mfn)
 
+        f('control/platform-feature-xs_reset_watches', True)
         if arch.type == "x86":
             f('control/platform-feature-multiprocessor-suspend', True)

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File 24478-libxl_add_feature_flag_to_xenstore_for_XS_RESET_WATCHES.patch of Package xen

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