Re: [x86 pmap changes] CVS commit: src/sys/arch

[Andrew Doran <ad%netbsd.org@localhost>]

On Tue, Jan 07, 2020 at 09:50:42AM +0100, Maxime Villard wrote:

> Also unrelated remark:
> 
> +	kmutex_t pm_lock		/* locks for pm_objs */
> +	    __aligned(64);		/* give lock own cache line */
> 
> x86 CPUs will soon have 128-byte cache lines, and to ease the upgrade,
> it is better to use COHERENCY_UNIT rather than hardcoded values.

I totally agree.  However in this instance it looked like it could leave me
in dependency hell.  I don't have much time left to get my changes in and
tested, so left it to come back to some other time.

Andrew