From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e9.ny.us.ibm.com (e9.ny.us.ibm.com [32.97.182.139]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e9.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 5DC141009B5 for ; Thu, 27 Jan 2011 03:23:17 +1100 (EST) Received: from d01dlp02.pok.ibm.com (d01dlp02.pok.ibm.com [9.56.224.85]) by e9.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id p0QFwPJA028902 for ; Wed, 26 Jan 2011 10:58:32 -0500 Received: from d01relay06.pok.ibm.com (d01relay06.pok.ibm.com [9.56.227.116]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id D6DEF4DE81FC for ; Wed, 26 Jan 2011 11:14:51 -0500 (EST) Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay06.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p0QGI6c01085686 for ; Wed, 26 Jan 2011 11:18:06 -0500 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p0QGI4GK016910 for ; Wed, 26 Jan 2011 14:18:06 -0200 From: Dave Kleikamp To: Benjamin Herrenschmidt Subject: [PATCH 0/2] Workaround for PowerPC 476FP hardware bug Date: Wed, 26 Jan 2011 10:17:57 -0600 Message-Id: <1296058679-21352-1-git-send-email-shaggy@linux.vnet.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org, Dave Kleikamp List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , These patches add a workaround to avoid a hang on the DD2 level of the 476FP core. This hardware bug will be fixed in future products, but this particular core will used in production. Dave Kleikamp (2): powerpc/476: define specific cpu table entry DD2 core powerpc/476: Workaround for PLB6 hang arch/powerpc/include/asm/cputable.h | 3 ++- arch/powerpc/kernel/cputable.c | 22 ++++++++++++++++++---- arch/powerpc/mm/tlb_nohash_low.S | 35 +++++++++++++++++++++++++++++++++++ 3 files changed, 55 insertions(+), 5 deletions(-) -- 1.7.3.4