From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 40RVNS6sDCzDqyp for ; Thu, 19 Apr 2018 17:04:40 +1000 (AEST) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w3J74OuS120686 for ; Thu, 19 Apr 2018 03:04:38 -0400 Received: from e06smtp13.uk.ibm.com (e06smtp13.uk.ibm.com [195.75.94.109]) by mx0a-001b2d01.pphosted.com with ESMTP id 2hennp21fr-1 (version=TLSv1.2 cipher=AES256-SHA256 bits=256 verify=NOT) for ; Thu, 19 Apr 2018 03:04:36 -0400 Received: from localhost by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 19 Apr 2018 08:04:32 +0100 From: "Naveen N. Rao" To: Michael Ellerman Cc: linuxppc-dev@lists.ozlabs.org, Paul Mackerras , Steven Rostedt , Satheesh Rajendran Subject: [PATCH v5 00/10] powerpc64/ftrace: Add support for ftrace_modify_call() and a few other fixes Date: Thu, 19 Apr 2018 12:33:59 +0530 Message-Id: List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This is v5 of the patches posted at: https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=37250 This series has been tested using mambo for p8 (hash) and p9 (radix), and also on Power8 host. In v5, the patch for KVM has been re-worked and is now [6/10], instead of [2/10]. This now works properly on a Power8 machine. More details in the patch. All other patches are unchanged from v4. - Naveen Naveen N. Rao (10): powerpc64/ftrace: Add a field in paca to disable ftrace in unsafe code paths powerpc64/ftrace: Rearrange #ifdef sections in ftrace.h powerpc64/ftrace: Add helpers to hard disable ftrace powerpc64/ftrace: Delay enabling ftrace on secondary cpus powerpc64/ftrace: Disable ftrace during hotplug powerpc64/ftrace: Disable ftrace during kvm entry/exit powerpc64/kexec: Hard disable ftrace before switching to the new kernel powerpc64/module: Tighten detection of mcount call sites with -mprofile-kernel powerpc64/ftrace: Use the generic version of ftrace_replace_code() powerpc64/ftrace: Implement support for ftrace_regs_caller() arch/powerpc/include/asm/ftrace.h | 27 ++- arch/powerpc/include/asm/module.h | 3 + arch/powerpc/include/asm/paca.h | 1 + arch/powerpc/kernel/asm-offsets.c | 1 + arch/powerpc/kernel/machine_kexec.c | 2 + arch/powerpc/kernel/module_64.c | 43 ++-- arch/powerpc/kernel/setup_64.c | 7 + arch/powerpc/kernel/smp.c | 12 + arch/powerpc/kernel/trace/ftrace.c | 210 ++++++++++++++---- .../powerpc/kernel/trace/ftrace_64_mprofile.S | 85 ++++++- arch/powerpc/kernel/trace/ftrace_64_pg.S | 4 + arch/powerpc/kvm/book3s_hv.c | 4 + arch/powerpc/kvm/book3s_hv_rmhandlers.S | 3 + 13 files changed, 335 insertions(+), 67 deletions(-) -- 2.17.0