File 51e63d80-x86-cpuidle-Change-logging-for-unknown... of Package xen

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File 51e63d80-x86-cpuidle-Change-logging-for-unknown-APIC-IDs.patch of Package xen (Revision 6697a53932dbbbc9a196cf0c529c9c70)

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# Commit 85047d9e4f4afeb73bca1e98f705a2f4f1d51c03
# Date 2013-07-17 08:45:20 +0200
# Author Andrew Cooper <andrew.cooper3@citrix.com>
# Committer Jan Beulich <jbeulich@suse.com>
x86/cpuidle: Change logging for unknown APIC IDs

Dom0 uses this hypercall to pass ACPI information to Xen.  It is not very
uncommon for more cpus to be listed in the ACPI tables than are present on the
system, particularly on systems with a common BIOS for a 2 and 4 socket server
varients.

As Dom0 does not control the number of entries in the ACPI tables, and is
required to pass everything it finds to Xen, change the logging.

There is now an single unconditional warning for the first unknown ID, and
further warnings if "cpuinfo" is requested by the user on the command line.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>

--- a/xen/arch/x86/acpi/cpu_idle.c
+++ b/xen/arch/x86/acpi/cpu_idle.c
@@ -1031,7 +1031,10 @@ long set_cx_pminfo(uint32_t cpu, struct 
     cpu_id = get_cpu_id(cpu);
     if ( cpu_id == -1 )
     {
-        printk(XENLOG_ERR "no cpu_id for acpi_id %d\n", cpu);
+        static bool_t warn_once = 1;
+        if ( warn_once || opt_cpu_info )
+            printk(XENLOG_WARNING "No CPU ID for APIC ID %#x\n", cpu);
+        warn_once = 0;
         return -EINVAL;
     }
 
--- a/xen/arch/x86/cpu/common.c
+++ b/xen/arch/x86/cpu/common.c
@@ -63,7 +63,7 @@ static struct cpu_dev default_cpu = {
 };
 static struct cpu_dev * this_cpu = &default_cpu;
 
-bool_t __cpuinitdata opt_cpu_info;
+bool_t opt_cpu_info;
 boolean_param("cpuinfo", opt_cpu_info);
 
 int __cpuinit get_model_name(struct cpuinfo_x86 *c)

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File 51e63d80-x86-cpuidle-Change-logging-for-unknown-APIC-IDs.patch of Package xen (Revision 6697a53932dbbbc9a196cf0c529c9c70)

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