1 files changed, 16 insertions, 7 deletions

diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 56b933119a04..6994c751590e 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -388,6 +388,7 @@ static int do_microcode_update (void)
         void *new_mc = NULL;
         int cpu;
         cpumask_t old;
+        cpumask_of_cpu_ptr_declare(newmask);
 
         old = current->cpus_allowed;
 
@@ -404,7 +405,8 @@ static int do_microcode_update (void)
 
                         if (!uci->valid)
                                 continue;
-                        set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+                        cpumask_of_cpu_ptr_next(newmask, cpu);
+                        set_cpus_allowed_ptr(current, newmask);
                         error = get_maching_microcode(new_mc, cpu);
                         if (error < 0)
                                 goto out;
@@ -574,6 +576,7 @@ static int apply_microcode_check_cpu(int cpu)
         struct cpuinfo_x86 *c = &cpu_data(cpu);
         struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
         cpumask_t old;
+        cpumask_of_cpu_ptr(newmask, cpu);
         unsigned int val[2];
         int err = 0;
 
@@ -582,7 +585,7 @@ static int apply_microcode_check_cpu(int cpu)
                 return 0;
 
         old = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+        set_cpus_allowed_ptr(current, newmask);
 
         /* Check if the microcode we have in memory matches the CPU */
         if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 ||
@@ -620,11 +623,12 @@ static int apply_microcode_check_cpu(int cpu)
 static void microcode_init_cpu(int cpu, int resume)
 {
         cpumask_t old;
+        cpumask_of_cpu_ptr(newmask, cpu);
         struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
 
         old = current->cpus_allowed;
 
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+        set_cpus_allowed_ptr(current, newmask);
         mutex_lock(&microcode_mutex);
         collect_cpu_info(cpu);
         if (uci->valid && system_state == SYSTEM_RUNNING && !resume)
@@ -644,7 +648,9 @@ static void microcode_fini_cpu(int cpu)
         mutex_unlock(&microcode_mutex);
 }
 
-static ssize_t reload_store(struct sys_device *dev, const char *buf, size_t sz)
+static ssize_t reload_store(struct sys_device *dev,
+                            struct sysdev_attribute *attr,
+                            const char *buf, size_t sz)
 {
         struct ucode_cpu_info *uci = ucode_cpu_info + dev->id;
         char *end;
@@ -656,11 +662,12 @@ static ssize_t reload_store(struct sys_device *dev, const char *buf, size_t sz)
                 return -EINVAL;
         if (val == 1) {
                 cpumask_t old;
+                cpumask_of_cpu_ptr(newmask, cpu);
 
                 old = current->cpus_allowed;
 
                 get_online_cpus();
-                set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+                set_cpus_allowed_ptr(current, newmask);
 
                 mutex_lock(&microcode_mutex);
                 if (uci->valid)
@@ -674,14 +681,16 @@ static ssize_t reload_store(struct sys_device *dev, const char *buf, size_t sz)
         return sz;
 }
 
-static ssize_t version_show(struct sys_device *dev, char *buf)
+static ssize_t version_show(struct sys_device *dev,
+                        struct sysdev_attribute *attr, char *buf)
 {
         struct ucode_cpu_info *uci = ucode_cpu_info + dev->id;
 
         return sprintf(buf, "0x%x\n", uci->rev);
 }
 
-static ssize_t pf_show(struct sys_device *dev, char *buf)
+static ssize_t pf_show(struct sys_device *dev,
+                        struct sysdev_attribute *attr, char *buf)
 {
         struct ucode_cpu_info *uci = ucode_cpu_info + dev->id;