Re: [PATCH 06/12] pci : Use mutex instead of semaphore in driver core

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

 



On Sat, Dec 29, 2007 at 09:10:57AM +0800, Dave Young wrote:
> @@ -207,9 +207,9 @@ void pci_walk_bus(struct pci_bus *top, v
>  			next = dev->bus_list.next;
>  
>  		/* Run device routines with the device locked */
> -		down(&dev->dev.sem);
> +		mutex_lock(&dev->dev.mutex);
>  		cb(dev, userdata);
> -		up(&dev->dev.sem);
> +		mutex_unlock(&dev->dev.mutex);
>  	}
>  	up_read(&pci_bus_sem);
>  }

Patches should be self-contained for ease of bisecting.  I can't tell
whether this patch is correct or not because you haven't included all
the other places that need to change at the same time as this.

-- 
Intel are signing my paycheques ... these opinions are still mine
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
--
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]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux