Merge branch 'linus' into x86/urgent

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / microcode.c

diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 9758fea87c5b4e219d8c28d7dde2260f3a5902e4..56b933119a04f5551094ce08feeb12bf2642aa6b 100644 (file)
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -76,6 +76,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 #include <linux/cpumask.h>
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -423,6 +424,7 @@ out:
 
 static int microcode_open (struct inode *unused1, struct file *unused2)
 {
+       cycle_kernel_lock();
        return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
 }
 
@@ -489,7 +491,7 @@ MODULE_ALIAS_MISCDEV(MICROCODE_MINOR);
 #define microcode_dev_exit() do { } while(0)
 #endif
 
-static long get_next_ucode_from_buffer(void **mc, void *buf,
+static long get_next_ucode_from_buffer(void **mc, const u8 *buf,
        unsigned long size, long offset)
 {
        microcode_header_t *mc_header;
@@ -523,7 +525,7 @@ static int cpu_request_microcode(int cpu)
        char name[30];
        struct cpuinfo_x86 *c = &cpu_data(cpu);
        const struct firmware *firmware;
-       void *buf;
+       const u8 *buf;
        unsigned long size;
        long offset = 0;
        int error;