From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-x242.google.com (mail-pg0-x242.google.com [IPv6:2607:f8b0:400e:c05::242]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3w00175r5zzDqHl for ; Fri, 7 Apr 2017 22:55:23 +1000 (AEST) Received: by mail-pg0-x242.google.com with SMTP id o123so15446693pga.1 for ; Fri, 07 Apr 2017 05:55:23 -0700 (PDT) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Cc: Nicholas Piggin , Paul Mackerras , Benjamin Herrenschmidt Subject: [PATCH 0/5] doorbell patches for POWER9 Date: Fri, 7 Apr 2017 22:55:05 +1000 Message-Id: <20170407125510.30991-1-npiggin@gmail.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This is what I'd like to do for POWER9 doorbells, which reworks the existing code a bit. I guess it won't work on DD1 with OPAL until darn is fixed (only tested on POWER9 using mambo). Nicholas Piggin (5): powerpc/pseries: do not use msgsndp doorbells on POWER9 guests powerpc: change the doorbell IPI calling convention powerpc: Introduce msgsnd/doorbell barrier primitives powerpc/64s: avoid branch for ppc_msgsnd powerpc/powernv: POWER9 support for msgsnd/doorbell IPI arch/powerpc/include/asm/dbell.h | 45 ++++++++++++++++++------ arch/powerpc/include/asm/feature-fixups.h | 20 +++++++++++ arch/powerpc/include/asm/ppc-opcode.h | 6 ++++ arch/powerpc/include/asm/ppc_asm.h | 15 ++++++++ arch/powerpc/include/asm/smp.h | 4 +-- arch/powerpc/include/asm/xics.h | 2 +- arch/powerpc/kernel/dbell.c | 58 +++++++++++++++++++++++++++---- arch/powerpc/kernel/smp.c | 27 +++++++------- arch/powerpc/platforms/85xx/smp.c | 11 ++---- arch/powerpc/platforms/powermac/smp.c | 2 +- arch/powerpc/platforms/powernv/smp.c | 33 +++++++++++++----- arch/powerpc/platforms/pseries/smp.c | 33 ++++++++---------- arch/powerpc/sysdev/xics/icp-hv.c | 2 +- arch/powerpc/sysdev/xics/icp-native.c | 12 +------ arch/powerpc/sysdev/xics/icp-opal.c | 2 +- arch/powerpc/sysdev/xics/xics-common.c | 3 -- 16 files changed, 189 insertions(+), 86 deletions(-) -- 2.11.0