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author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:50:34 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:50:34 +0200 |
commit | a208f37a465e222218974ab20a31b42b7b4893b2 (patch) | |
tree | 77c6acdd4be32024330a14f2618b814126ce7a20 /arch/x86/kernel/microcode.c | |
parent | 511d9d34183662aada3890883e860b151d707e22 (diff) | |
parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
download | op-kernel-dev-a208f37a465e222218974ab20a31b42b7b4893b2.zip op-kernel-dev-a208f37a465e222218974ab20a31b42b7b4893b2.tar.gz |
Merge branch 'linus' into x86/x2apic
Diffstat (limited to 'arch/x86/kernel/microcode.c')
-rw-r--r-- | arch/x86/kernel/microcode.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c index 9758fea..56b9331 100644 --- 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; |