Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
--- 2009年06月10日.orig/xen/arch/x86/microcode.c 2009年01月26日 09:39:13.000000000 
+0100
+++ 2009年06月10日/xen/arch/x86/microcode.c 2009年07月06日 11:13:32.000000000 +0200
@@ -40,7 +40,7 @@ const struct microcode_ops *microcode_op
 
 static DEFINE_SPINLOCK(microcode_mutex);
 
-struct ucode_cpu_info ucode_cpu_info[NR_CPUS];
+DEFINE_PER_CPU(struct ucode_cpu_info, ucode_cpu_info);
 
 struct microcode_info {
 unsigned int cpu;
@@ -51,7 +51,7 @@ struct microcode_info {
 
 static void __microcode_fini_cpu(int cpu)
 {
- struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+ struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu);
 
 xfree(uci->mc.mc_valid);
 memset(uci, 0, sizeof(*uci));
@@ -67,7 +67,7 @@ static void microcode_fini_cpu(int cpu)
 int microcode_resume_cpu(int cpu)
 {
 int err = 0;
- struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+ struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu);
 struct cpu_signature nsig;
 
 gdprintk(XENLOG_INFO, "microcode: CPU%d resumed\n", cpu);
@@ -101,7 +101,7 @@ static int microcode_update_cpu(const vo
 {
 int err;
 unsigned int cpu = smp_processor_id();
- struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+ struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu);
 
 spin_lock(&microcode_mutex);
 
--- 2009年06月10日.orig/xen/arch/x86/microcode_amd.c 2009年01月26日 
09:39:13.000000000 +0100
+++ 2009年06月10日/xen/arch/x86/microcode_amd.c 2009年07月03日 17:48:34.000000000 
+0200
@@ -68,7 +68,7 @@ static int collect_cpu_info(int cpu, str
 
 static int microcode_fits(void *mc, int cpu)
 {
- struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+ struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu);
 struct microcode_header_amd *mc_header = mc;
 unsigned int current_cpu_id;
 unsigned int equiv_cpu_id = 0x0;
@@ -125,7 +125,7 @@ out:
 static int apply_microcode(int cpu)
 {
 unsigned long flags;
- struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+ struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu);
 uint32_t rev, dummy;
 struct microcode_amd *mc_amd = uci->mc.mc_amd;
 
@@ -253,7 +253,7 @@ static int cpu_request_microcode(int cpu
 unsigned long offset = 0;
 int error = 0;
 int ret;
- struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+ struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu);
 void *mc;
 
 /* We should bind the task to the CPU */
--- 2009年06月10日.orig/xen/arch/x86/microcode_intel.c 2009年01月26日 
09:39:13.000000000 +0100
+++ 2009年06月10日/xen/arch/x86/microcode_intel.c 2009年07月03日 17:49:01.000000000 
+0200
@@ -99,7 +99,7 @@ static int collect_cpu_info(int cpu_num,
 static inline int microcode_update_match(
 int cpu_num, struct microcode_header_intel *mc_header, int sig, int pf)
 {
- struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num;
+ struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu_num);
 
 return (sigmatch(sig, uci->cpu_sig.sig, pf, uci->cpu_sig.pf) &&
 (mc_header->rev > uci->cpu_sig.rev));
@@ -201,7 +201,7 @@ static int microcode_sanity_check(void *
 */
 static int get_matching_microcode(void *mc, int cpu)
 {
- struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+ struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu);
 struct microcode_header_intel *mc_header = mc;
 struct extended_sigtable *ext_header;
 unsigned long total_size = get_totalsize(mc_header);
@@ -251,7 +251,7 @@ static int apply_microcode(int cpu)
 unsigned long flags;
 unsigned int val[2];
 int cpu_num = raw_smp_processor_id();
- struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num;
+ struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu_num);
 
 /* We should bind the task to the CPU */
 BUG_ON(cpu_num != cpu);
@@ -362,7 +362,7 @@ static int cpu_request_microcode(int cpu
 
 static int microcode_resume_match(int cpu, struct cpu_signature *nsig)
 {
- struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+ struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu);
 
 return (sigmatch(nsig->sig, uci->cpu_sig.sig, nsig->pf, uci->cpu_sig.pf) &&
 (uci->cpu_sig.rev > nsig->rev));
--- 2009年06月10日.orig/xen/include/asm-x86/microcode.h 2009年01月26日 
09:39:13.000000000 +0100
+++ 2009年06月10日/xen/include/asm-x86/microcode.h 2009年07月03日 17:46:52.000000000 
+0200
@@ -1,6 +1,8 @@
 #ifndef ASM_X86__MICROCODE_H
 #define ASM_X86__MICROCODE_H
 
+#include <xen/percpu.h>
+
 struct cpu_signature;
 struct ucode_cpu_info;
 
@@ -88,7 +90,7 @@ struct ucode_cpu_info {
 } mc;
 };
 
-extern struct ucode_cpu_info ucode_cpu_info[];
+DECLARE_PER_CPU(struct ucode_cpu_info, ucode_cpu_info);
 extern const struct microcode_ops *microcode_ops;
 
 #endif /* ASM_X86__MICROCODE_H */
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