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-rw-r--r--drivers/char/apm-emulation.c11
-rw-r--r--drivers/char/applicom.c9
-rw-r--r--drivers/char/ds1302.c15
-rw-r--r--drivers/char/ds1620.c8
-rw-r--r--drivers/char/dsp56k.c27
-rw-r--r--drivers/char/dtlk.c8
-rw-r--r--drivers/char/generic_nvram.c7
-rw-r--r--drivers/char/genrtc.c13
-rw-r--r--drivers/char/i8k.c7
-rw-r--r--drivers/char/ip2/ip2main.c8
-rw-r--r--drivers/char/lp.c15
-rw-r--r--drivers/char/mbcs.c8
-rw-r--r--drivers/char/mmtimer.c7
-rw-r--r--drivers/char/mwave/mwavedd.c44
-rw-r--r--drivers/char/nvram.c11
-rw-r--r--drivers/char/nwflash.c12
-rw-r--r--drivers/char/pcmcia/cm4000_cs.c11
-rw-r--r--drivers/char/pcmcia/cm4040_cs.c7
-rw-r--r--drivers/char/ppdev.c8
-rw-r--r--drivers/char/rio/rio_linux.c7
-rw-r--r--drivers/char/snsc.c9
-rw-r--r--drivers/char/toshiba.c9
-rw-r--r--drivers/char/viotape.c11
-rw-r--r--drivers/char/xilinx_hwicap/xilinx_hwicap.c6
24 files changed, 147 insertions, 131 deletions
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index 033e1505fca9..6a420baea268 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -13,7 +13,7 @@
#include <linux/module.h>
#include <linux/poll.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/miscdevice.h>
@@ -126,6 +126,7 @@ struct apm_user {
/*
* Local variables
*/
+static DEFINE_MUTEX(apm_mutex);
static atomic_t suspend_acks_pending = ATOMIC_INIT(0);
static atomic_t userspace_notification_inhibit = ATOMIC_INIT(0);
static int apm_disabled;
@@ -274,7 +275,7 @@ apm_ioctl(struct file *filp, u_int cmd, u_long arg)
if (!as->suser || !as->writer)
return -EPERM;
- lock_kernel();
+ mutex_lock(&apm_mutex);
switch (cmd) {
case APM_IOC_SUSPEND:
mutex_lock(&state_lock);
@@ -335,7 +336,7 @@ apm_ioctl(struct file *filp, u_int cmd, u_long arg)
mutex_unlock(&state_lock);
break;
}
- unlock_kernel();
+ mutex_unlock(&apm_mutex);
return err;
}
@@ -370,7 +371,7 @@ static int apm_open(struct inode * inode, struct file * filp)
{
struct apm_user *as;
- lock_kernel();
+ mutex_lock(&apm_mutex);
as = kzalloc(sizeof(*as), GFP_KERNEL);
if (as) {
/*
@@ -390,7 +391,7 @@ static int apm_open(struct inode * inode, struct file * filp)
filp->private_data = as;
}
- unlock_kernel();
+ mutex_unlock(&apm_mutex);
return as ? 0 : -ENOMEM;
}
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index f4ae0e0fb631..e7ba774beda6 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -26,7 +26,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/errno.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/miscdevice.h>
#include <linux/pci.h>
#include <linux/wait.h>
@@ -60,6 +60,7 @@
#define PCI_DEVICE_ID_APPLICOM_PCI2000PFB 0x0003
#endif
+static DEFINE_MUTEX(ac_mutex);
static char *applicom_pci_devnames[] = {
"PCI board",
"PCI2000IBS / PCI2000CAN",
@@ -707,7 +708,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if (IS_ERR(adgl))
return PTR_ERR(adgl);
- lock_kernel();
+ mutex_lock(&ac_mutex);
IndexCard = adgl->num_card-1;
if(cmd != 6 && ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) {
@@ -717,7 +718,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
warncount--;
}
kfree(adgl);
- unlock_kernel();
+ mutex_unlock(&ac_mutex);
return -EINVAL;
}
@@ -835,7 +836,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
Dummy = readb(apbs[IndexCard].RamIO + VERS);
kfree(adgl);
- unlock_kernel();
+ mutex_unlock(&ac_mutex);
return 0;
}
diff --git a/drivers/char/ds1302.c b/drivers/char/ds1302.c
index 170693c93c73..e3d72aa3cbd2 100644
--- a/drivers/char/ds1302.c
+++ b/drivers/char/ds1302.c
@@ -20,7 +20,7 @@
#include <linux/miscdevice.h>
#include <linux/delay.h>
#include <linux/bcd.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/uaccess.h>
#include <linux/io.h>
@@ -32,6 +32,7 @@
#define RTC_MAJOR_NR 121 /* local major, change later */
+static DEFINE_MUTEX(rtc_mutex);
static const char ds1302_name[] = "ds1302";
/* Send 8 bits. */
@@ -164,9 +165,9 @@ static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
struct rtc_time rtc_tm;
memset(&rtc_tm, 0, sizeof (struct rtc_time));
- lock_kernel();
+ mutex_lock(&rtc_mutex);
get_rtc_time(&rtc_tm);
- unlock_kernel();
+ mutex_unlock(&rtc_mutex);
if (copy_to_user((struct rtc_time*)arg, &rtc_tm, sizeof(struct rtc_time)))
return -EFAULT;
return 0;
@@ -218,7 +219,7 @@ static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
mon = bin2bcd(mon);
yrs = bin2bcd(yrs);
- lock_kernel();
+ mutex_lock(&rtc_mutex);
local_irq_save(flags);
CMOS_WRITE(yrs, RTC_YEAR);
CMOS_WRITE(mon, RTC_MONTH);
@@ -227,7 +228,7 @@ static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
CMOS_WRITE(min, RTC_MINUTES);
CMOS_WRITE(sec, RTC_SECONDS);
local_irq_restore(flags);
- unlock_kernel();
+ mutex_unlock(&rtc_mutex);
/* Notice that at this point, the RTC is updated but
* the kernel is still running with the old time.
@@ -247,10 +248,10 @@ static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if(copy_from_user(&tcs_val, (int*)arg, sizeof(int)))
return -EFAULT;
- lock_kernel();
+ mutex_lock(&rtc_mutex);
tcs_val = RTC_TCR_PATTERN | (tcs_val & 0x0F);
ds1302_writereg(RTC_TRICKLECHARGER, tcs_val);
- unlock_kernel();
+ mutex_unlock(&rtc_mutex);
return 0;
}
default:
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index dbee8688f75c..9aa1fd059aea 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -8,7 +8,7 @@
#include <linux/proc_fs.h>
#include <linux/capability.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -34,6 +34,7 @@
#define CFG_CPU 2
#define CFG_1SHOT 1
+static DEFINE_MUTEX(ds1620_mutex);
static const char *fan_state[] = { "off", "on", "on (hardwired)" };
/*
@@ -210,7 +211,6 @@ static void ds1620_read_state(struct therm *therm)
static int ds1620_open(struct inode *inode, struct file *file)
{
- cycle_kernel_lock();
return nonseekable_open(inode, file);
}
@@ -321,9 +321,9 @@ ds1620_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret;
- lock_kernel();
+ mutex_lock(&ds1620_mutex);
ret = ds1620_ioctl(file, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&ds1620_mutex);
return ret;
}
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index 8a1b28a10ef0..b3c756227e39 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -32,7 +32,7 @@
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/device.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/firmware.h>
#include <linux/platform_device.h>
#include <linux/uaccess.h> /* For put_user and get_user */
@@ -94,6 +94,7 @@
} \
}
+static DEFINE_MUTEX(dsp56k_mutex);
static struct dsp56k_device {
unsigned long in_use;
long maxio, timeout;
@@ -330,9 +331,9 @@ static long dsp56k_ioctl(struct file *file, unsigned int cmd,
if (len > DSP56K_MAX_BINARY_LENGTH) {
return -EINVAL;
}
- lock_kernel();
+ mutex_lock(&dsp56k_mutex);
r = dsp56k_upload(bin, len);
- unlock_kernel();
+ mutex_unlock(&dsp56k_mutex);
if (r < 0) {
return r;
}
@@ -342,16 +343,16 @@ static long dsp56k_ioctl(struct file *file, unsigned int cmd,
case DSP56K_SET_TX_WSIZE:
if (arg > 4 || arg < 1)
return -EINVAL;
- lock_kernel();
+ mutex_lock(&dsp56k_mutex);
dsp56k.tx_wsize = (int) arg;
- unlock_kernel();
+ mutex_unlock(&dsp56k_mutex);
break;
case DSP56K_SET_RX_WSIZE:
if (arg > 4 || arg < 1)
return -EINVAL;
- lock_kernel();
+ mutex_lock(&dsp56k_mutex);
dsp56k.rx_wsize = (int) arg;
- unlock_kernel();
+ mutex_unlock(&dsp56k_mutex);
break;
case DSP56K_HOST_FLAGS:
{
@@ -363,7 +364,7 @@ static long dsp56k_ioctl(struct file *file, unsigned int cmd,
if(get_user(out, &hf->out) < 0)
return -EFAULT;
- lock_kernel();
+ mutex_lock(&dsp56k_mutex);
if ((dir & 0x1) && (out & 0x1))
dsp56k_host_interface.icr |= DSP56K_ICR_HF0;
else if (dir & 0x1)
@@ -378,16 +379,16 @@ static long dsp56k_ioctl(struct file *file, unsigned int cmd,
if (dsp56k_host_interface.icr & DSP56K_ICR_HF1) status |= 0x2;
if (dsp56k_host_interface.isr & DSP56K_ISR_HF2) status |= 0x4;
if (dsp56k_host_interface.isr & DSP56K_ISR_HF3) status |= 0x8;
- unlock_kernel();
+ mutex_unlock(&dsp56k_mutex);
return put_user(status, &hf->status);
}
case DSP56K_HOST_CMD:
if (arg > 31 || arg < 0)
return -EINVAL;
- lock_kernel();
+ mutex_lock(&dsp56k_mutex);
dsp56k_host_interface.cvr = (u_char)((arg & DSP56K_CVR_HV_MASK) |
DSP56K_CVR_HC);
- unlock_kernel();
+ mutex_unlock(&dsp56k_mutex);
break;
default:
return -EINVAL;
@@ -427,7 +428,7 @@ static int dsp56k_open(struct inode *inode, struct file *file)
int dev = iminor(inode) & 0x0f;
int ret = 0;
- lock_kernel();
+ mutex_lock(&dsp56k_mutex);
switch(dev)
{
case DSP56K_DEV_56001:
@@ -454,7 +455,7 @@ static int dsp56k_open(struct inode *inode, struct file *file)
ret = -ENODEV;
}
out:
- unlock_kernel();
+ mutex_unlock(&dsp56k_mutex);
return ret;
}
diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c
index e3859d4eaead..8dd040a945d4 100644
--- a/drivers/char/dtlk.c
+++ b/drivers/char/dtlk.c
@@ -57,7 +57,7 @@
#include <linux/ioport.h> /* for request_region */
#include <linux/delay.h> /* for loops_per_jiffy */
#include <linux/sched.h>
-#include <linux/smp_lock.h> /* cycle_kernel_lock() */
+#include <linux/mutex.h>
#include <asm/io.h> /* for inb_p, outb_p, inb, outb, etc. */
#include <asm/uaccess.h> /* for get_user, etc. */
#include <linux/wait.h> /* for wait_queue */
@@ -73,6 +73,7 @@
#define TRACE_RET ((void) 0)
#endif /* TRACING */
+static DEFINE_MUTEX(dtlk_mutex);
static void dtlk_timer_tick(unsigned long data);
static int dtlk_major;
@@ -275,9 +276,9 @@ static long dtlk_ioctl(struct file *file,
switch (cmd) {
case DTLK_INTERROGATE:
- lock_kernel();
+ mutex_lock(&dtlk_mutex);
sp = dtlk_interrogate();
- unlock_kernel();
+ mutex_unlock(&dtlk_mutex);
if (copy_to_user(argp, sp, sizeof(struct dtlk_settings)))
return -EINVAL;
return 0;
@@ -296,7 +297,6 @@ static int dtlk_open(struct inode *inode, struct file *file)
{
TRACE_TEXT("(dtlk_open");
- cycle_kernel_lock();
nonseekable_open(inode, file);
switch (iminor(inode)) {
case DTLK_MINOR:
diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c
index 82b5a88a82d7..0e941b57482e 100644
--- a/drivers/char/generic_nvram.c
+++ b/drivers/char/generic_nvram.c
@@ -19,7 +19,7 @@
#include <linux/miscdevice.h>
#include <linux/fcntl.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#include <asm/nvram.h>
#ifdef CONFIG_PPC_PMAC
@@ -28,6 +28,7 @@
#define NVRAM_SIZE 8192
+static DEFINE_MUTEX(nvram_mutex);
static ssize_t nvram_len;
static loff_t nvram_llseek(struct file *file, loff_t offset, int origin)
@@ -120,9 +121,9 @@ static long nvram_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned l
{
int ret;
- lock_kernel();
+ mutex_lock(&nvram_mutex);
ret = nvram_ioctl(file, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&nvram_mutex);
return ret;
}
diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
index b6c2cc167c11..2aa69f97360d 100644
--- a/drivers/char/genrtc.c
+++ b/drivers/char/genrtc.c
@@ -52,7 +52,7 @@
#include <linux/init.h>
#include <linux/poll.h>
#include <linux/proc_fs.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/workqueue.h>
#include <asm/uaccess.h>
@@ -66,6 +66,7 @@
* ioctls.
*/
+static DEFINE_MUTEX(gen_rtc_mutex);
static DECLARE_WAIT_QUEUE_HEAD(gen_rtc_wait);
/*
@@ -337,9 +338,9 @@ static long gen_rtc_unlocked_ioctl(struct file *file, unsigned int cmd,
{
int ret;
- lock_kernel();
+ mutex_lock(&gen_rtc_mutex);
ret = gen_rtc_ioctl(file, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&gen_rtc_mutex);
return ret;
}
@@ -352,16 +353,16 @@ static long gen_rtc_unlocked_ioctl(struct file *file, unsigned int cmd,
static int gen_rtc_open(struct inode *inode, struct file *file)
{
- lock_kernel();
+ mutex_lock(&gen_rtc_mutex);
if (gen_rtc_status & RTC_IS_OPEN) {
- unlock_kernel();
+ mutex_unlock(&gen_rtc_mutex);
return -EBUSY;
}
gen_rtc_status |= RTC_IS_OPEN;
gen_rtc_irq_data = 0;
irq_active = 0;
- unlock_kernel();
+ mutex_unlock(&gen_rtc_mutex);
return 0;
}
diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c
index 4cd8b227c11f..3bc0eef88717 100644
--- a/drivers/char/i8k.c
+++ b/drivers/char/i8k.c
@@ -23,7 +23,7 @@
#include <linux/seq_file.h>
#include <linux/dmi.h>
#include <linux/capability.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -56,6 +56,7 @@
#define I8K_TEMPERATURE_BUG 1
+static DEFINE_MUTEX(i8k_mutex);
static char bios_version[4];
MODULE_AUTHOR("Massimo Dal Zotto (dz@debian.org)");
@@ -399,9 +400,9 @@ static long i8k_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
{
long ret;
- lock_kernel();
+ mutex_lock(&i8k_mutex);
ret = i8k_ioctl_unlocked(fp, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&i8k_mutex);
return ret;
}
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index d4b71e8d0d23..dfbdf49d1e80 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -98,7 +98,7 @@
#include <linux/major.h>
#include <linux/wait.h>
#include <linux/device.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/firmware.h>
#include <linux/platform_device.h>
@@ -138,6 +138,7 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
+static DEFINE_MUTEX(ip2_mutex);
static const struct file_operations ip2mem_proc_fops;
static const struct file_operations ip2_proc_fops;
@@ -2897,7 +2898,7 @@ ip2_ipl_ioctl (struct file *pFile, UINT cmd, ULONG arg )
printk (KERN_DEBUG "IP2IPL: ioctl cmd %d, arg %ld\n", cmd, arg );
#endif
- lock_kernel();
+ mutex_lock(&ip2_mutex);
switch ( iplminor ) {
case 0: // IPL device
@@ -2961,7 +2962,7 @@ ip2_ipl_ioctl (struct file *pFile, UINT cmd, ULONG arg )
rc = -ENODEV;
break;
}
- unlock_kernel();
+ mutex_unlock(&ip2_mutex);
return rc;
}
@@ -2982,7 +2983,6 @@ ip2_ipl_open( struct inode *pInode, struct file *pFile )
#ifdef IP2DEBUG_IPL
printk (KERN_DEBUG "IP2IPL: open\n" );
#endif
- cycle_kernel_lock();
return 0;
}
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 938a3a273886..598d278db058 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -126,7 +126,7 @@
#include <linux/device.h>
#include <linux/wait.h>
#include <linux/jiffies.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/compat.h>
#include <linux/parport.h>
@@ -140,6 +140,7 @@
/* if you have more than 8 printers, remember to increase LP_NO */
#define LP_NO 8
+static DEFINE_MUTEX(lp_mutex);
static struct lp_struct lp_table[LP_NO];
static unsigned int lp_count = 0;
@@ -493,7 +494,7 @@ static int lp_open(struct inode * inode, struct file * file)
unsigned int minor = iminor(inode);
int ret = 0;
- lock_kernel();
+ mutex_lock(&lp_mutex);
if (minor >= LP_NO) {
ret = -ENXIO;
goto out;
@@ -554,7 +555,7 @@ static int lp_open(struct inode * inode, struct file * file)
lp_release_parport (&lp_table[minor]);
lp_table[minor].current_mode = IEEE1284_MODE_COMPAT;
out:
- unlock_kernel();
+ mutex_unlock(&lp_mutex);
return ret;
}
@@ -680,7 +681,7 @@ static long lp_ioctl(struct file *file, unsigned int cmd,
int ret;
minor = iminor(file->f_path.dentry->d_inode);
- lock_kernel();
+ mutex_lock(&lp_mutex);
switch (cmd) {
case LPSETTIMEOUT:
if (copy_from_user(&par_timeout, (void __user *)arg,
@@ -694,7 +695,7 @@ static long lp_ioctl(struct file *file, unsigned int cmd,
ret = lp_do_ioctl(minor, cmd, arg, (void __user *)arg);
break;
}
- unlock_kernel();
+ mutex_unlock(&lp_mutex);
return ret;
}
@@ -709,7 +710,7 @@ static long lp_compat_ioctl(struct file *file, unsigned int cmd,
int ret;
minor = iminor(file->f_path.dentry->d_inode);
- lock_kernel();
+ mutex_lock(&lp_mutex);
switch (cmd) {
case LPSETTIMEOUT:
tc = compat_ptr(arg);
@@ -730,7 +731,7 @@ static long lp_compat_ioctl(struct file *file, unsigned int cmd,
ret = lp_do_ioctl(minor, cmd, arg, compat_ptr(arg));
break;
}
- unlock_kernel();
+ mutex_unlock(&lp_mutex);
return ret;
}
diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
index 83bef4efe376..1aeaaba680d2 100644
--- a/drivers/char/mbcs.c
+++ b/drivers/char/mbcs.c
@@ -25,7 +25,6 @@
#include <linux/mm.h>
#include <linux/uio.h>
#include <linux/mutex.h>
-#include <linux/smp_lock.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <asm/uaccess.h>
@@ -42,6 +41,7 @@
#else
#define DBG(fmt...)
#endif
+static DEFINE_MUTEX(mbcs_mutex);
static int mbcs_major;
static LIST_HEAD(soft_list);
@@ -385,19 +385,19 @@ static int mbcs_open(struct inode *ip, struct file *fp)
struct mbcs_soft *soft;
int minor;
- lock_kernel();
+ mutex_lock(&mbcs_mutex);
minor = iminor(ip);
/* Nothing protects access to this list... */
list_for_each_entry(soft, &soft_list, list) {
if (soft->nasid == minor) {
fp->private_data = soft->cxdev;
- unlock_kernel();
+ mutex_unlock(&mbcs_mutex);
return 0;
}
}
- unlock_kernel();
+ mutex_unlock(&mbcs_mutex);
return -ENODEV;
}
diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c
index ea7c99fa978f..fe4697844ec1 100644
--- a/drivers/char/mmtimer.c
+++ b/drivers/char/mmtimer.c
@@ -32,7 +32,7 @@
#include <linux/interrupt.h>
#include <linux/time.h>
#include <linux/math64.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
@@ -59,6 +59,7 @@ extern unsigned long sn_rtc_cycles_per_second;
#define rtc_time() (*RTC_COUNTER_ADDR)
+static DEFINE_MUTEX(mmtimer_mutex);
static long mmtimer_ioctl(struct file *file, unsigned int cmd,
unsigned long arg);
static int mmtimer_mmap(struct file *file, struct vm_area_struct *vma);
@@ -371,7 +372,7 @@ static long mmtimer_ioctl(struct file *file, unsigned int cmd,
{
int ret = 0;
- lock_kernel();
+ mutex_lock(&mmtimer_mutex);
switch (cmd) {
case MMTIMER_GETOFFSET: /* offset of the counter */
@@ -414,7 +415,7 @@ static long mmtimer_ioctl(struct file *file, unsigned int cmd,
ret = -ENOTTY;
break;
}
- unlock_kernel();
+ mutex_unlock(&mmtimer_mutex);
return ret;
}
diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c
index a4ec50c95072..e5df26b56d59 100644
--- a/drivers/char/mwave/mwavedd.c
+++ b/drivers/char/mwave/mwavedd.c
@@ -56,7 +56,7 @@
#include <linux/serial.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/delay.h>
#include <linux/serial_8250.h>
#include "smapi.h"
@@ -73,6 +73,7 @@ MODULE_LICENSE("GPL");
* checks are made against other devices (ie. superio) for conflicts.
* We'll depend on users using the tpctl utility to do that for now
*/
+static DEFINE_MUTEX(mwave_mutex);
int mwave_debug = 0;
int mwave_3780i_irq = 0;
int mwave_3780i_io = 0;
@@ -101,7 +102,6 @@ static int mwave_open(struct inode *inode, struct file *file)
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_open, exit return retval %x\n", retval);
- cycle_kernel_lock();
return retval;
}
@@ -136,9 +136,9 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
PRINTK_1(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RESET"
" calling tp3780I_ResetDSP\n");
- lock_kernel();
+ mutex_lock(&mwave_mutex);
retval = tp3780I_ResetDSP(&pDrvData->rBDData);
- unlock_kernel();
+ mutex_unlock(&mwave_mutex);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RESET"
" retval %x from tp3780I_ResetDSP\n",
@@ -149,9 +149,9 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
PRINTK_1(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RUN"
" calling tp3780I_StartDSP\n");
- lock_kernel();
+ mutex_lock(&mwave_mutex);
retval = tp3780I_StartDSP(&pDrvData->rBDData);
- unlock_kernel();
+ mutex_unlock(&mwave_mutex);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RUN"
" retval %x from tp3780I_StartDSP\n",
@@ -165,10 +165,10 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
"mwavedd::mwave_ioctl,"
" IOCTL_MW_DSP_ABILITIES calling"
" tp3780I_QueryAbilities\n");
- lock_kernel();
+ mutex_lock(&mwave_mutex);
retval = tp3780I_QueryAbilities(&pDrvData->rBDData,
&rAbilities);
- unlock_kernel();
+ mutex_unlock(&mwave_mutex);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_DSP_ABILITIES"
" retval %x from tp3780I_QueryAbilities\n",
@@ -199,13 +199,13 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
"mwavedd::mwave_ioctl IOCTL_MW_READ_DATA,"
" size %lx, ioarg %lx pusBuffer %p\n",
rReadData.ulDataLength, ioarg, pusBuffer);
- lock_kernel();
+ mutex_lock(&mwave_mutex);
retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData,
iocmd,
pusBuffer,
rReadData.ulDataLength,
rReadData.usDspAddress);
- unlock_kernel();
+ mutex_unlock(&mwave_mutex);
}
break;
@@ -223,12 +223,12 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
" size %lx, ioarg %lx pusBuffer %p\n",
rReadData.ulDataLength / 2, ioarg,
pusBuffer);
- lock_kernel();
+ mutex_lock(&mwave_mutex);
retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData,
iocmd, pusBuffer,
rReadData.ulDataLength / 2,
rReadData.usDspAddress);
- unlock_kernel();
+ mutex_unlock(&mwave_mutex);
}
break;
@@ -246,12 +246,12 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
" size %lx, ioarg %lx pusBuffer %p\n",
rWriteData.ulDataLength, ioarg,
pusBuffer);
- lock_kernel();
+ mutex_lock(&mwave_mutex);
retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData,
iocmd, pusBuffer,
rWriteData.ulDataLength,
rWriteData.usDspAddress);
- unlock_kernel();
+ mutex_unlock(&mwave_mutex);
}
break;
@@ -269,12 +269,12 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
" size %lx, ioarg %lx pusBuffer %p\n",
rWriteData.ulDataLength, ioarg,
pusBuffer);
- lock_kernel();
+ mutex_lock(&mwave_mutex);
retval = tp3780I_ReadWriteDspIStore(&pDrvData->rBDData,
iocmd, pusBuffer,
rWriteData.ulDataLength,
rWriteData.usDspAddress);
- unlock_kernel();
+ mutex_unlock(&mwave_mutex);
}
break;
@@ -295,10 +295,10 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
ipcnum,
pDrvData->IPCs[ipcnum].usIntCount);
- lock_kernel();
+ mutex_lock(&mwave_mutex);
pDrvData->IPCs[ipcnum].bIsHere = FALSE;
pDrvData->IPCs[ipcnum].bIsEnabled = TRUE;
- unlock_kernel();
+ mutex_unlock(&mwave_mutex);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_REGISTER_IPC"
@@ -323,7 +323,7 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
ipcnum,
pDrvData->IPCs[ipcnum].usIntCount);
- lock_kernel();
+ mutex_lock(&mwave_mutex);
if (pDrvData->IPCs[ipcnum].bIsEnabled == TRUE) {
DECLARE_WAITQUEUE(wait, current);
@@ -364,7 +364,7 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
" processing\n",
ipcnum);
}
- unlock_kernel();
+ mutex_unlock(&mwave_mutex);
}
break;
@@ -383,14 +383,14 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
ipcnum);
return -EINVAL;
}
- lock_kernel();
+ mutex_lock(&mwave_mutex);
if (pDrvData->IPCs[ipcnum].bIsEnabled == TRUE) {
pDrvData->IPCs[ipcnum].bIsEnabled = FALSE;
if (pDrvData->IPCs[ipcnum].bIsHere == TRUE) {
wake_up_interruptible(&pDrvData->IPCs[ipcnum].ipc_wait_queue);
}
}
- unlock_kernel();
+ mutex_unlock(&mwave_mutex);
}
break;
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 66d2917b003f..166f1e7aaa7e 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -109,10 +109,11 @@
#include <linux/spinlock.h>
#include <linux/io.h>
#include <linux/uaccess.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <asm/system.h>
+static DEFINE_MUTEX(nvram_mutex);
static DEFINE_SPINLOCK(nvram_state_lock);
static int nvram_open_cnt; /* #times opened */
static int nvram_open_mode; /* special open modes */
@@ -308,7 +309,7 @@ static long nvram_ioctl(struct file *file, unsigned int cmd,
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- lock_kernel();
+ mutex_lock(&nvram_mutex);
spin_lock_irq(&rtc_lock);
for (i = 0; i < NVRAM_BYTES; ++i)
@@ -316,7 +317,7 @@ static long nvram_ioctl(struct file *file, unsigned int cmd,
__nvram_set_checksum();
spin_unlock_irq(&rtc_lock);
- unlock_kernel();
+ mutex_unlock(&nvram_mutex);
return 0;
case NVRAM_SETCKS:
@@ -325,11 +326,11 @@ static long nvram_ioctl(struct file *file, unsigned int cmd,
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- lock_kernel();
+ mutex_lock(&nvram_mutex);
spin_lock_irq(&rtc_lock);
__nvram_set_checksum();
spin_unlock_irq(&rtc_lock);
- unlock_kernel();
+ mutex_unlock(&nvram_mutex);
return 0;
default:
diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c
index 043a1c7b86be..a12f52400dbc 100644
--- a/drivers/char/nwflash.c
+++ b/drivers/char/nwflash.c
@@ -25,7 +25,6 @@
#include <linux/spinlock.h>
#include <linux/rwsem.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
#include <linux/mutex.h>
#include <linux/jiffies.h>
@@ -41,6 +40,7 @@
#define NWFLASH_VERSION "6.4"
+static DEFINE_MUTEX(flash_mutex);
static void kick_open(void);
static int get_flash_id(void);
static int erase_block(int nBlock);
@@ -96,7 +96,7 @@ static int get_flash_id(void)
static long flash_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
{
- lock_kernel();
+ mutex_lock(&flash_mutex);
switch (cmd) {
case CMD_WRITE_DISABLE:
gbWriteBase64Enable = 0;
@@ -114,10 +114,10 @@ static long flash_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
default:
gbWriteBase64Enable = 0;
gbWriteEnable = 0;
- unlock_kernel();
+ mutex_unlock(&flash_mutex);
return -EINVAL;
}
- unlock_kernel();
+ mutex_unlock(&flash_mutex);
return 0;
}
@@ -282,7 +282,7 @@ static loff_t flash_llseek(struct file *file, loff_t offset, int orig)
{
loff_t ret;
- lock_kernel();
+ mutex_lock(&flash_mutex);
if (flashdebug)
printk(KERN_DEBUG "flash_llseek: offset=0x%X, orig=0x%X.\n",
(unsigned int) offset, orig);
@@ -317,7 +317,7 @@ static loff_t flash_llseek(struct file *file, loff_t offset, int orig)
default:
ret = -EINVAL;
}
- unlock_kernel();
+ mutex_unlock(&flash_mutex);
return ret;
}
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index ec73d9f6d9ed..7d091b68d247 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -30,7 +30,7 @@
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/bitrev.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/uaccess.h>
#include <linux/io.h>
@@ -55,6 +55,7 @@
__func__ , ## args); \
} while (0)
+static DEFINE_MUTEX(cmm_mutex);
static char *version = "cm4000_cs.c v2.4.0gm6 - All bugs added by Harald Welte";
#define T_1SEC (HZ)
@@ -1418,7 +1419,7 @@ static long cmm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
iminor(inode), ioctl_names[_IOC_NR(cmd)]);
#endif
- lock_kernel();
+ mutex_lock(&cmm_mutex);
rc = -ENODEV;
link = dev_table[iminor(inode)];
if (!pcmcia_dev_present(link)) {
@@ -1626,7 +1627,7 @@ static long cmm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
rc = -ENOTTY;
}
out:
- unlock_kernel();
+ mutex_unlock(&cmm_mutex);
return rc;
}
@@ -1640,7 +1641,7 @@ static int cmm_open(struct inode *inode, struct file *filp)
if (minor >= CM4000_MAX_DEV)
return -ENODEV;
- lock_kernel();
+ mutex_lock(&cmm_mutex);
link = dev_table[minor];
if (link == NULL || !pcmcia_dev_present(link)) {
ret = -ENODEV;
@@ -1685,7 +1686,7 @@ static int cmm_open(struct inode *inode, struct file *filp)
DEBUGP(2, dev, "<- cmm_open\n");
ret = nonseekable_open(inode, filp);
out:
- unlock_kernel();
+ mutex_unlock(&cmm_mutex);
return ret;
}
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index 815cde1d0570..04c0a895740e 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -24,7 +24,7 @@
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/poll.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/wait.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -49,6 +49,7 @@
__func__ , ## args); \
} while (0)
+static DEFINE_MUTEX(cm4040_mutex);
static char *version =
"OMNIKEY CardMan 4040 v1.1.0gm5 - All bugs added by Harald Welte";
@@ -444,7 +445,7 @@ static int cm4040_open(struct inode *inode, struct file *filp)
if (minor >= CM_MAX_DEV)
return -ENODEV;
- lock_kernel();
+ mutex_lock(&cm4040_mutex);
link = dev_table[minor];
if (link == NULL || !pcmcia_dev_present(link)) {
ret = -ENODEV;
@@ -473,7 +474,7 @@ static int cm4040_open(struct inode *inode, struct file *filp)
DEBUGP(2, dev, "<- cm4040_open (successfully)\n");
ret = nonseekable_open(inode, filp);
out:
- unlock_kernel();
+ mutex_unlock(&cm4040_mutex);
return ret;
}
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 02abfddce45a..723152d978a9 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -67,7 +67,7 @@
#include <linux/slab.h>
#include <linux/major.h>
#include <linux/ppdev.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/uaccess.h>
#define PP_VERSION "ppdev: user-space parallel port driver"
@@ -97,6 +97,7 @@ struct pp_struct {
/* ROUND_UP macro from fs/select.c */
#define ROUND_UP(x,y) (((x)+(y)-1)/(y))
+static DEFINE_MUTEX(pp_do_mutex);
static inline void pp_enable_irq (struct pp_struct *pp)
{
struct parport *port = pp->pdev->port;
@@ -630,9 +631,9 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
static long pp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
long ret;
- lock_kernel();
+ mutex_lock(&pp_do_mutex);
ret = pp_do_ioctl(file, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&pp_do_mutex);
return ret;
}
@@ -641,7 +642,6 @@ static int pp_open (struct inode * inode, struct file * file)
unsigned int minor = iminor(inode);
struct pp_struct *pp;
- cycle_kernel_lock();
if (minor >= PARPORT_MAX)
return -ENXIO;
diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c
index d58c2eb07f07..e06a5977fdb2 100644
--- a/drivers/char/rio/rio_linux.c
+++ b/drivers/char/rio/rio_linux.c
@@ -44,7 +44,7 @@
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/miscdevice.h>
#include <linux/init.h>
@@ -122,6 +122,7 @@ more than 512 ports.... */
/* These constants are derived from SCO Source */
+static DEFINE_MUTEX(rio_fw_mutex);
static struct Conf
RIOConf = {
/* locator */ "RIO Config here",
@@ -566,9 +567,9 @@ static long rio_fw_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
func_enter();
/* The "dev" argument isn't used. */
- lock_kernel();
+ mutex_lock(&rio_fw_mutex);
rc = riocontrol(p, 0, cmd, arg, capable(CAP_SYS_ADMIN));
- unlock_kernel();
+ mutex_unlock(&rio_fw_mutex);
func_exit();
return rc;
diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index 32b74de18f5f..208e25731dfe 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -21,7 +21,7 @@
#include <linux/poll.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <asm/sn/io.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/module.h>
@@ -34,6 +34,7 @@
#define SCDRV_BUFSZ 2048
#define SCDRV_TIMEOUT 1000
+static DEFINE_MUTEX(scdrv_mutex);
static irqreturn_t
scdrv_interrupt(int irq, void *subch_data)
{
@@ -105,7 +106,7 @@ scdrv_open(struct inode *inode, struct file *file)
file->private_data = sd;
/* hook this subchannel up to the system controller interrupt */
- lock_kernel();
+ mutex_lock(&scdrv_mutex);
rv = request_irq(SGI_UART_VECTOR, scdrv_interrupt,
IRQF_SHARED | IRQF_DISABLED,
SYSCTL_BASENAME, sd);
@@ -113,10 +114,10 @@ scdrv_open(struct inode *inode, struct file *file)
ia64_sn_irtr_close(sd->sd_nasid, sd->sd_subch);
kfree(sd);
printk("%s: irq request failed (%d)\n", __func__, rv);
- unlock_kernel();
+ mutex_unlock(&scdrv_mutex);
return -EBUSY;
}
- unlock_kernel();
+ mutex_unlock(&scdrv_mutex);
return 0;
}
diff --git a/drivers/char/toshiba.c b/drivers/char/toshiba.c
index f8bc79f6de34..f8f09ab0b170 100644
--- a/drivers/char/toshiba.c
+++ b/drivers/char/toshiba.c
@@ -68,7 +68,7 @@
#include <linux/stat.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/toshiba.h>
#define TOSH_MINOR_DEV 181
@@ -78,6 +78,7 @@ MODULE_AUTHOR("Jonathan Buzzard <jonathan@buzzard.org.uk>");
MODULE_DESCRIPTION("Toshiba laptop SMM driver");
MODULE_SUPPORTED_DEVICE("toshiba");
+static DEFINE_MUTEX(tosh_mutex);
static int tosh_fn;
module_param_named(fn, tosh_fn, int, 0);
MODULE_PARM_DESC(fn, "User specified Fn key detection port");
@@ -274,16 +275,16 @@ static long tosh_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
return -EINVAL;
/* do we need to emulate the fan ? */
- lock_kernel();
+ mutex_lock(&tosh_mutex);
if (tosh_fan==1) {
if (((ax==0xf300) || (ax==0xf400)) && (bx==0x0004)) {
err = tosh_emulate_fan(&regs);
- unlock_kernel();
+ mutex_unlock(&tosh_mutex);
break;
}
}
err = tosh_smm(&regs);
- unlock_kernel();
+ mutex_unlock(&tosh_mutex);
break;
default:
return -EINVAL;
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index 42f7fa442ff8..6f954a808b65 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -46,7 +46,7 @@
#include <linux/completion.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
@@ -64,6 +64,7 @@
#define VIOTAPE_KERN_WARN KERN_WARNING "viotape: "
#define VIOTAPE_KERN_INFO KERN_INFO "viotape: "
+static DEFINE_MUTEX(proc_viotape_mutex);
static int viotape_numdev;
/*
@@ -684,9 +685,9 @@ static long viotap_unlocked_ioctl(struct file *file,
{
long rc;
- lock_kernel();
+ mutex_lock(&proc_viotape_mutex);
rc = viotap_ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&proc_viotape_mutex);
return rc;
}
@@ -700,7 +701,7 @@ static int viotap_open(struct inode *inode, struct file *file)
if (op == NULL)
return -ENOMEM;
- lock_kernel();
+ mutex_lock(&proc_viotape_mutex);
get_dev_info(file->f_path.dentry->d_inode, &devi);
/* Note: We currently only support one mode! */
@@ -731,7 +732,7 @@ static int viotap_open(struct inode *inode, struct file *file)
free_op:
free_op_struct(op);
- unlock_kernel();
+ mutex_unlock(&proc_viotape_mutex);
return ret;
}
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index b663d573aad9..d985204d76fe 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -81,7 +81,6 @@
#include <linux/poll.h>
#include <linux/proc_fs.h>
#include <linux/mutex.h>
-#include <linux/smp_lock.h>
#include <linux/sysctl.h>
#include <linux/fs.h>
#include <linux/cdev.h>
@@ -112,6 +111,7 @@
#define HWICAP_DEVICES 1
/* An array, which is set to true when the device is registered. */
+static DEFINE_MUTEX(hwicap_mutex);
static bool probed_devices[HWICAP_DEVICES];
static struct mutex icap_sem;
@@ -502,7 +502,7 @@ static int hwicap_open(struct inode *inode, struct file *file)
struct hwicap_drvdata *drvdata;
int status;
- lock_kernel();
+ mutex_lock(&hwicap_mutex);
drvdata = container_of(inode->i_cdev, struct hwicap_drvdata, cdev);
status = mutex_lock_interruptible(&drvdata->sem);
@@ -528,7 +528,7 @@ static int hwicap_open(struct inode *inode, struct file *file)
error:
mutex_unlock(&drvdata->sem);
out:
- unlock_kernel();
+ mutex_unlock(&hwicap_mutex);
return status;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 17:10:56 +0100