From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753013AbdJGC23 (ORCPT ); Fri, 6 Oct 2017 22:28:29 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:57618 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752155AbdJGC22 (ORCPT ); Fri, 6 Oct 2017 22:28:28 -0400 From: Sukadev Bhattiprolu To: Michael Ellerman Cc: Benjamin Herrenschmidt , mikey@neuling.org, hbabu@us.ibm.com, nicholas.piggin@gmail.com, linuxppc-dev@ozlabs.org, Subject: [PATCH v2 00/18] powerpc/vas: Add support for FTW Date: Fri, 6 Oct 2017 19:28:00 -0700 X-Mailer: git-send-email 2.7.4 X-TM-AS-GCONF: 00 x-cbid: 17100702-0024-0000-0000-0000174D5C37 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00007853; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000235; SDB=6.00927531; UDB=6.00466726; IPR=6.00707787; BA=6.00005623; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00017430; XFM=3.00000015; UTC=2017-10-07 02:28:26 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17100702-0025-0000-0000-00004D01458B Message-Id: <1507343298-27496-1-git-send-email-sukadev@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-10-07_01:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1710070033 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The first 10 patches in this set were posted earlier[1] and don't have any significant changes since then. This set sanitizes cpu/chip id to VAS id mapping, improves vas_win_close() performance and adds a check for return of credits and cleans up some code. Patch 11 adds debugfs support for the VAS window contexts. Patches 11-18 add support for user space aka Fast thread-wakeup windows in VAS. These include a patch from Michael Neuling to support emulating the paste instruction. Michael Neuling (1): powerpc: Emulate paste instruction Sukadev Bhattiprolu (17): powerpc/vas: init missing fields from [rt]xattr powerpc/vas: Validate window credits powerpc/vas: Cleanup some debug code powerpc/vas: Drop poll_window_cast_out(). powerpc/vas: Use helper to unpin/close window powerpc/vas: Reduce polling interval for busy state powerpc/vas: Save configured window credits powerpc/vas: poll for return of window credits powerpc/vas: Create cpu to vas id mapping powerpc/vas, nx-842: Define and use chip_to_vas_id() powerpc/vas: Export HVWC to debugfs powerpc: have copy depend on CONFIG_BOOK3S_64 powerpc: Add support for setting SPRN_TIDR powerpc: Define set_thread_used_vas() powerpc/vas: Define vas_win_paste_addr() powerpc/vas: Define vas_win_id() powerpc/vas: Add support for user receive window arch/powerpc/include/asm/emulated_ops.h | 1 + arch/powerpc/include/asm/ppc-opcode.h | 1 + arch/powerpc/include/asm/processor.h | 3 + arch/powerpc/include/asm/reg.h | 2 + arch/powerpc/include/asm/switch_to.h | 5 + arch/powerpc/include/asm/vas.h | 21 +++ arch/powerpc/kernel/process.c | 160 ++++++++++++++++-- arch/powerpc/kernel/traps.c | 64 ++++++++ arch/powerpc/platforms/powernv/Makefile | 3 +- arch/powerpc/platforms/powernv/vas-debug.c | 209 ++++++++++++++++++++++++ arch/powerpc/platforms/powernv/vas-window.c | 245 +++++++++++++++++++++++----- arch/powerpc/platforms/powernv/vas.c | 31 +++- arch/powerpc/platforms/powernv/vas.h | 95 ++++++----- drivers/crypto/nx/nx-842-powernv.c | 18 +- 14 files changed, 745 insertions(+), 113 deletions(-) create mode 100644 arch/powerpc/platforms/powernv/vas-debug.c -- 2.7.4