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File xsa435-0-49.patch of Package xen

# Commit 1e082c9eca04d731dd0b386878f16a40a585a6ab
# Date 2023-08-03 19:14:19 +0100
# Author Roger Pau Monne <roger.pau@citrix.com>
# Committer Andrew Cooper <andrew.cooper3@citrix.com>
libxl: don't ignore the return value from xc_cpuid_apply_policy

Also change libxl__cpuid_legacy to propagate the error from
xc_cpuid_apply_policy into callers.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
(cherry picked from commit 34990446ca91d9e201ff17bd4e3f43bfe3ad308e)

--- a/tools/libxl/libxl_cpuid.c
+++ b/tools/libxl/libxl_cpuid.c
@@ -433,9 +433,17 @@ int libxl_cpuid_parse_config_xend(libxl_
     return 0;
 }
 
-void libxl_cpuid_apply_policy(libxl_ctx *ctx, uint32_t domid)
+int libxl_cpuid_apply_policy(libxl_ctx *ctx, uint32_t domid)
 {
-    xc_cpuid_apply_policy(ctx->xch, domid, NULL, 0);
+    GC_INIT(ctx);
+    int r;
+
+    r = xc_cpuid_apply_policy(ctx->xch, domid, NULL, 0);
+    if (r)
+        LOGEVD(ERROR, -r, domid, "Failed to apply CPUID policy");
+
+    GC_FREE;
+    return r ? ERROR_FAIL : 0;
 }
 
 void libxl_cpuid_set(libxl_ctx *ctx, uint32_t domid,
--- a/tools/libxl/libxl_dom.c
+++ b/tools/libxl/libxl_dom.c
@@ -625,7 +625,9 @@ int libxl__build_post(libxl__gc *gc, uin
     if (rc)
         return rc;
 
-    libxl_cpuid_apply_policy(ctx, domid);
+    rc = libxl_cpuid_apply_policy(ctx, domid);
+    if (rc)
+        return rc;
     if (info->cpuid != NULL)
         libxl_cpuid_set(ctx, domid, info->cpuid);
 
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -2323,7 +2323,7 @@ libxl_device_pci *libxl_device_pci_assig
 int libxl_cpuid_parse_config(libxl_cpuid_policy_list *cpuid, const char* str);
 int libxl_cpuid_parse_config_xend(libxl_cpuid_policy_list *cpuid,
                                   const char* str);
-void libxl_cpuid_apply_policy(libxl_ctx *ctx, uint32_t domid);
+int libxl_cpuid_apply_policy(libxl_ctx *ctx, uint32_t domid);
 void libxl_cpuid_set(libxl_ctx *ctx, uint32_t domid,
                      libxl_cpuid_policy_list cpuid);
 
--- a/tools/libxl/libxl_nocpuid.c
+++ b/tools/libxl/libxl_nocpuid.c
@@ -34,8 +34,9 @@ int libxl_cpuid_parse_config_xend(libxl_
     return 0;
 }
 
-void libxl_cpuid_apply_policy(libxl_ctx *ctx, uint32_t domid)
+int libxl_cpuid_apply_policy(libxl_ctx *ctx, uint32_t domid)
 {
+    return 0;
 }
 
 void libxl_cpuid_set(libxl_ctx *ctx, uint32_t domid,

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File xsa435-0-49.patch of Package xen

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