From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sowmini Varadhan Date: Fri, 19 Dec 2014 17:29:28 +0000 Subject: Re: [PATCH RFC sparc] Break up iommu from monolithic lock for the map to multiple pools/locks Message-Id: <20141219172928.GG4294@oracle.com> List-Id: References: <20141219151616.GB25248@oracle.com> In-Reply-To: <20141219151616.GB25248@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: sparclinux@vger.kernel.org On (12/19/14 12:26), David Miller wrote: > > If this is such a better and more scalable algorithm for IOMMU > arena DMA region allocation, then instead of one platform after > another putting a private implementation under arch/, the generic > IOMMU code should be adjusted instead. > > Right? > Yes, it should.. that would be the eventual goal. But I wanted to do this incrementally (IOW, I was scared to boil the ocean just yet :-) I see pci, schizo, ldc using this as well. Even if I managed to convert all of them successfully, the patch-set would be pretty massive) So I wanted to get some feedback on this first --Sowmini