From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id D661FB6F75 for ; Wed, 13 Jul 2011 15:48:40 +1000 (EST) Subject: Re: [PATCH 2/3] powerpc/44x: don't use tlbivax on AMP systems Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: Kumar Gala In-Reply-To: <20110705043803.GG13483@ozlabs.org> Date: Wed, 13 Jul 2011 00:48:21 -0500 Message-Id: References: <20110705043803.GG13483@ozlabs.org> To: Tony Breeds Cc: Josh Boyer , LinuxPPC-dev List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Jul 4, 2011, at 11:38 PM, Tony Breeds wrote: > +#ifdef CONFIG_PPC_47x > +void __init early_init_mmu_47x(void) > +{ > +#ifdef CONFIG_SMP > + unsigned long root = of_get_flat_dt_root(); > + if (of_get_flat_dt_prop(root, "cooperative-partition", NULL)) > + mmu_clear_feature(MMU_FTR_USE_TLBIVAX_BCAST); > +#endif /* CONFIG_SMP */ > +} > +#endif /* CONFIG_PPC_47x */ > + Is this device tree prop spec'd anywhere? - k