Subject: Re: [PATCH 11/16] powerpc/mm: Add SMP support to no-hash TLB handling v3

From: Benjamin Herrenschmidt <[email-masked]>
Date: Tue, 16 Dec 2008 10:31:32 +1100

On Mon, 2008-12-15 at 16:19 -0600, Kumar Gala wrote:
> Ok.  Lets use MMU_FTR_LOCK_BCAST_TLB_OPS and have a comment about  
> locking because bus implementations cant handle multiple ivax and/or  
> multiple syncs.
> 
Hi used MMU_FTR_LOCK_BCAST_INVAL :-) And I put a comment that says:

/* This indicates that the processor cannot handle multiple outstanding
 * broadcast tlbivax or tlbsync. This makes the code use a spinlock
 * around such invalidate forms.
 */

Cheers,
Ben.