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 DFF8BDDEE8 for ; Fri, 20 Jun 2008 16:37:17 +1000 (EST) Message-Id: From: Kumar Gala To: Michael Neuling In-Reply-To: <1213935232.194904.168421502953.qpush@coopers> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Mime-Version: 1.0 (Apple Message framework v924) Subject: Re: [PATCH 0/9] powerpc: Add kernel support for POWER7 VSX. Date: Fri, 20 Jun 2008 01:37:07 -0500 References: <1213935232.194904.168421502953.qpush@coopers> Cc: linuxppc-dev@ozlabs.org, Paul Mackerras List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Jun 19, 2008, at 11:13 PM, Michael Neuling wrote: > The following set of patches adds Vector Scalar Extentions (VSX) > support for POWER7. Includes context switch, ptrace and signals > support. > > Signed-off-by: Michael Neuling > --- > Paulus: please consider for your 2.6.27 tree. > > Updated with comments from Kumar, Milton, Dave Woodhouse and Mark > 'NKOTB' Nelson. > - Changed thread_struct array definition to be cleaner > - Updated CPU_FTRS_POSSIBLE > - Updated Kconfig typo and dupilicate > - Added comment to clarify ibm,vmx = 2 really means VSX. One question I was wondering about is the "user space" view of VSX. Is the intent to have it seem like there is a unique register set for VSX separate from FP or AltiVec? (This gets into what the ABI changes look like). - k