From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3sb5nr2Qw9zDsZy for ; Fri, 16 Sep 2016 17:02:39 +1000 (AEST) Message-Id: From: Christophe Leroy Subject: [PATCH v2 0/3] Optimisation on 8xx prior to hugepage implementation To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Scott Wood Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Fri, 16 Sep 2016 08:42:02 +0200 (CEST) List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This serie is a prologue of hugepage implementation on the 8xx. It some how optimises the DTLBMiss handler while allowing at the same time to hook the hugepage handling that will be introduced in a subsequent patch serie. v1 of those patches was part of a serie identified "powerpc/8xx: implementation of huge pages" Christophe Leroy (3): powerpc/8xx: use r3 to scratch CR in ITLBmiss powerpc/8xx: Move additional DTLBMiss handlers out of exception area powerpc/8xx: make user addr DTLB miss the short path arch/powerpc/kernel/head_8xx.S | 134 +++++++++++++++++++---------------------- 1 file changed, 62 insertions(+), 72 deletions(-) -- 2.1.0