From mboxrd@z Thu Jan 1 00:00:00 1970 From: gregkh@linuxfoundation.org (Greg KH) Date: Wed, 19 Mar 2014 23:54:25 +0000 Subject: [stable 3.10.y] Please backport a56a5cf1f2ec "ARM: highbank: avoid L2 cache smc calls when PL310 is not present" In-Reply-To: <1394332548.13270.74.camel@hastur.hellion.org.uk> References: <1394332548.13270.74.camel@hastur.hellion.org.uk> Message-ID: <20140319235425.GA22080@kroah.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sun, Mar 09, 2014 at 02:35:48AM +0000, Ian Campbell wrote: > [trying again with the correct stable@, sorry for the noise] > > Hi stable@, > > Please could you backport the changeset in $SUBJECT (and below) to > 3.10.y. It went into v3.12-rc1 so I suppose you might also consider it > for other stable branches before then which are still live. > > I thought it might require 0b53c11d533a "ARM: move outer_cache > declaration out of ifdef" but Kconfig seems to be such that it isn't > needed in practice. > > Cheers, > Ian. > > > commit a56a5cf1f2ec895599eace0ac6eba1e4a489e4bf > Author: Rob Herring > Date: Sat Aug 17 20:10:28 2013 -0500 > > ARM: highbank: avoid L2 cache smc calls when PL310 is not present > > While Midway firmware handles L2 smc calls as nops, the custom smc calls > present a problem when running virtualized Midway guest. They aren't > needed so just avoid calling them. > > In the process, cleanup the L2X0 ifdefs and use IS_ENABLED instead. > > Signed-off-by: Rob Herring This doesn't apply to the 3.10 stable tree, so if you want it there, can you provide a backported version? thanks, greg k-h