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authorIngo Molnar <mingo@elte.hu>2006-03-26 01:37:14 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-26 08:56:55 -0800
commit14cc3e2b633bb64063698980974df4535368e98f (patch)
treed542c9db7376de199d640b8e34d5630460b217b5 /arch/i386/kernel/microcode.c
parent353ab6e97b8f209dbecc9f650f1f84e3da2a7bb1 (diff)
downloadblackbird-op-linux-14cc3e2b633bb64063698980974df4535368e98f.tar.gz
blackbird-op-linux-14cc3e2b633bb64063698980974df4535368e98f.zip
[PATCH] sem2mutex: misc static one-file mutexes
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Dave Jones <davej@codemonkey.org.uk> Cc: Paul Mackerras <paulus@samba.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Jens Axboe <axboe@suse.de> Cc: Neil Brown <neilb@cse.unsw.edu.au> Acked-by: Alasdair G Kergon <agk@redhat.com> Cc: Greg KH <greg@kroah.com> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/i386/kernel/microcode.c')
-rw-r--r--arch/i386/kernel/microcode.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index 55bc365b8753..dd780a00553f 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -81,6 +81,7 @@
#include <linux/miscdevice.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
+#include <linux/mutex.h>
#include <asm/msr.h>
#include <asm/uaccess.h>
@@ -114,7 +115,7 @@ MODULE_LICENSE("GPL");
static DEFINE_SPINLOCK(microcode_update_lock);
/* no concurrent ->write()s are allowed on /dev/cpu/microcode */
-static DECLARE_MUTEX(microcode_sem);
+static DEFINE_MUTEX(microcode_mutex);
static void __user *user_buffer; /* user area microcode data buffer */
static unsigned int user_buffer_size; /* it's size */
@@ -444,7 +445,7 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_
return -EINVAL;
}
- down(&microcode_sem);
+ mutex_lock(&microcode_mutex);
user_buffer = (void __user *) buf;
user_buffer_size = (int) len;
@@ -453,7 +454,7 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_
if (!ret)
ret = (ssize_t)len;
- up(&microcode_sem);
+ mutex_unlock(&microcode_mutex);
return ret;
}
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