Re: [PATCH] Real-Time Preemption V0.7.52-07: rt_init_MUTEX_LOCKED declaration

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



* Steven Rostedt <[email protected]> wrote:

> On Mon, 2005-08-01 at 23:03 +0200, Ingo Molnar wrote:
> > * Steven Rostedt <[email protected]> wrote:
> > 
> > > -	struct semaphore stop;
> > > +	struct compat_semaphore stop;
> > 
> > i think it's policy->lock that is the issue here?
> > 
> 
> I was looking at Luca's original message where he showed the bug of 
> -- drivers/char/watchdog/cpu5wdt.c: "cpu5wdt: Unknown symbol
> there_is_no_init_MUTEX_LOCKED_for_RT_semaphores") --
> Looking into this file the only init_MUTEX_LOCKED that I found was 
> 
> static int __devinit cpu5wdt_init(void)
> {
> 	unsigned int val;
> 	int err;
> 
> [...]
> 
> 	/* watchdog reboot? */
> 	val = inb(port + CPU5WDT_STATUS_REG);
> 	val = (val >> 2) & 1;
> 	if ( !val )
> 		printk(KERN_INFO PFX "sorry, was my fault\n");
> 
> 	init_MUTEX_LOCKED(&cpu5wdt_device.stop);
> 	cpu5wdt_device.queue = 0;
> 
> 	clear_bit(0, &cpu5wdt_device.inuse);
> 
> 
> 
> Here I see that cpu5wdt_device.stop is being initialized with 
> init_MUTEX_LOCKED, so that is what I went to fix.  I even added the 
> driver to my config and compiled it before sending it in.  I don't 
> have the device, but the driver compiled :-)

ok - the fix is in -52-10.

	Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]
  Powered by Linux