The patch titled
uml: mconsole mutex conversion
has been removed from the -mm tree. Its filename was
uml-mconsole-mutex-conversion.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: uml: mconsole mutex conversion
From: Daniel Walker <dwalker@xxxxxxxxxx>
The plug_mem_mutex is already used as a mutex since it's using
DECLARE_MUTEX(), but the underlying construct is still a semaphore .. This
patch switches it over to a struct mutex.
Signed-off-by: Daniel Walker <dwalker@xxxxxxxxxx>
Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/um/drivers/mconsole_kern.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff -puN arch/um/drivers/mconsole_kern.c~uml-mconsole-mutex-conversion arch/um/drivers/mconsole_kern.c
--- a/arch/um/drivers/mconsole_kern.c~uml-mconsole-mutex-conversion
+++ a/arch/um/drivers/mconsole_kern.c
@@ -17,6 +17,7 @@
#include "linux/syscalls.h"
#include "linux/utsname.h"
#include "linux/workqueue.h"
+#include "linux/mutex.h"
#include "asm/uaccess.h"
#include "init.h"
#include "irq_kern.h"
@@ -360,7 +361,7 @@ struct unplugged_pages {
void *pages[UNPLUGGED_PER_PAGE];
};
-static DECLARE_MUTEX(plug_mem_mutex);
+static DEFINE_MUTEX(plug_mem_mutex);
static unsigned long long unplugged_pages_count = 0;
static LIST_HEAD(unplugged_pages);
static int unplug_index = UNPLUGGED_PER_PAGE;
@@ -396,7 +397,7 @@ static int mem_config(char *str, char **
diff /= PAGE_SIZE;
- down(&plug_mem_mutex);
+ mutex_lock(&plug_mem_mutex);
for (i = 0; i < diff; i++) {
struct unplugged_pages *unplugged;
void *addr;
@@ -453,7 +454,7 @@ static int mem_config(char *str, char **
err = 0;
out_unlock:
- up(&plug_mem_mutex);
+ mutex_unlock(&plug_mem_mutex);
out:
return err;
}
_
Patches currently in -mm which might be from dwalker@xxxxxxxxxx are
origin.patch
driver-base-memory-semaphore-to-mutex.patch
usb-microtek-remove-unused-semaphore.patch
usb-libusual-locking-cleanup.patch
drivers-char-tty_ioc-remove-pty_sem.patch
drivers-isdn-i4l-isdn_ttyc-remove-write_sem.patch
unix98-allocated_ptys_lock-semaphore-to-mutex.patch
docs-kernel-locking-convert-semaphore-references.patch
stopmachine-semaphore-to-mutex.patch
stopmachine-semaphore-to-mutex-fix.patch
amiga-serial-driver-port_write_mutex-fixup.patch
docs-convert-kref-semaphore-to-mutex.patch
isapnp-driver-semaphore-to-mutex.patch
isapnp-driver-semaphore-to-mutex-fix.patch
isapnp-driver-semaphore-to-mutex-fix-fix.patch
profile-likely-unlikely-macros.patch
profile-likely-unlikely-macros-fix.patch
-
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