From mboxrd@z Thu Jan 1 00:00:00 1970 From: mcgrof@suse.com (Luis R. Rodriguez) Date: Wed, 29 Jul 2015 23:52:30 +0200 Subject: [PATCH v2 08/25] arch: introduce memremap() In-Reply-To: References: <20150726172527.GA29513@lst.de> <20150727051258.GB15836@lst.de> <20150729065004.GA17162@lst.de> <20150729182712.GI30479@wotan.suse.de> <1438203638.3214.418.camel@hp.com> <20150729214358.GK30479@wotan.suse.de> Message-ID: <20150729215230.GL30479@wotan.suse.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Jul 29, 2015 at 02:47:40PM -0700, Dan Williams wrote: > On Wed, Jul 29, 2015 at 2:43 PM, Luis R. Rodriguez wrote: > > While at it, Dan, will / should memremap() support overlapping calls ? > > What is the expectation on behaviour ? > > It will be the same as ioremap(). Each mapping gets its own virtual > address and overlapping calls are permitted. The only protection is > that RAM is never mapped with an alias. If you could document this as part of your next respin that'd be highly appreciated. Luis