From mboxrd@z Thu Jan 1 00:00:00 1970 From: jason@lakedaemon.net (Jason Cooper) Date: Mon, 7 Jan 2013 16:03:31 -0500 Subject: [PATCH V2] arm: mvebu: Improve the SMP support of the interrupt controller In-Reply-To: <50EB348D.8000607@free-electrons.com> References: <1354740203-26665-1-git-send-email-gregory.clement@free-electrons.com> <20130107175123.GO5075@titan.lakedaemon.net> <50EB348D.8000607@free-electrons.com> Message-ID: <20130107210331.GR5075@titan.lakedaemon.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jan 07, 2013 at 09:48:13PM +0100, Gregory CLEMENT wrote: > On 01/07/2013 06:51 PM, Jason Cooper wrote: > > On Wed, Dec 05, 2012 at 09:43:23PM +0100, Gregory CLEMENT wrote: > >> This patch makes the interrupt controller driver more SMP aware for > >> the Armada XP SoCs. It adds the support for the per-CPU irq. It also > >> adds the implementation for the set_affinity hook. > >> > >> Patch initialy wrote by Yehuda Yitschak and reworked by Gregory > >> CLEMENT. > >> > >> Signed-off-by: Yehuda Yitschak > >> Signed-off-by: Gregory CLEMENT > >> --- > >> arch/arm/boot/dts/armada-xp.dtsi | 2 +- > >> arch/arm/mach-mvebu/irq-armada-370-xp.c | 52 +++++++++++++++++++++++++++++++ > >> 2 files changed, 53 insertions(+), 1 deletion(-) > > > > Applied to mvebu/boards > > Hi Jason, > thanks for taking this patch. Unfortunately it won't be enough. Indeed > after speaking with Marvell engineers we realized that the MPIC didn't > work as we expected. As it is written in the following patch: the MPIC, > unlike the GIC, allows several CPUs to acknowledge the same global > interrupt. > > I joined the patch to this email, you can apply it on top of your > mvebu/boards or you can squash it with the previous patch. Ok, I'll let this sit for a few days and barring any comments, I'll squash it in with the first patch. If you could provide some Tested-by's, that would be appreciated. thx, Jason.