Re: [PATCH v4 1/3] qspinlock: Introducing a 4-byte queue spinlock implementation

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

 



On Mon, Feb 17, 2014 at 03:41:22PM -0500, Waiman Long wrote:
> +#define	_QCODE(lock)	(atomic_read(&(lock)->qlcode) >> _QCODE_OFFSET)
> +#define	_QLOCK(lock)	(atomic_read(&(lock)->qlcode) & _QSPINLOCK_LOCKED)

> +#define GET_QN_IDX(code)	(((code) >> _QCODE_VAL_OFFSET) & 3)
> +#define GET_CPU_NR(code)	(((code) >> (_QCODE_VAL_OFFSET + 2)) - 1)
> +#ifndef _SET_QCODE
> +#define _SET_QCODE(cpu, idx)	((((cpu) + 1) << (_QCODE_VAL_OFFSET + 2)) |\
> +				((idx) << _QCODE_VAL_OFFSET) |\


Someone please take the CPP away.. dude most this doesn't need to be a
macro. Its used only in 1 or two places and its utterly unreadable.
--
To unsubscribe from this list: send the line "unsubscribe linux-arch" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel]     [Kernel Newbies]     [x86 Platform Driver]     [Netdev]     [Linux Wireless]     [Netfilter]     [Bugtraq]     [Linux Filesystems]     [Yosemite Discussion]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]

  Powered by Linux