From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.5 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8CF3C433ED for ; Thu, 6 May 2021 02:39:07 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 11EBD61164 for ; Thu, 6 May 2021 02:39:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 11EBD61164 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FbHpK3mGLz30Q9 for ; Thu, 6 May 2021 12:39:05 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=PudPog41; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::102f; helo=mail-pj1-x102f.google.com; envelope-from=jniethe5@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=PudPog41; dkim-atps=neutral Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4FbHnn1m0Nz2xZS for ; Thu, 6 May 2021 12:38:36 +1000 (AEST) Received: by mail-pj1-x102f.google.com with SMTP id lj11-20020a17090b344bb029015bc3073608so2646989pjb.3 for ; Wed, 05 May 2021 19:38:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=k14A5dJp7LmvxWpL0/pPY1kz3qsJYR/zE6Xn1HLI82M=; b=PudPog41vI5VKHYHXMWKbZ43VNLHAbM9Xcczj6GlpoqyDGvNA3Rvcfgc0nUbgMRtJU ofkom0tsD0QN5GJGMv55069ph1v/CuEUhyH+T1rMm2t3yCBBIemv4PS4s7YCQUxpKfrF 4QYHdOvZlclDkCkdHfjbXHRyCKRuxoX2s1wWEo6n7RG5rysEn1UVMRLg+mZjtJzvNXco 2VQyK3hAYNBqPJO3ZkTZYS7fArGuV1C5Qx8+XcJzs6EbavBc/SdekCfiMzKqnIqd16zt YHgWrWq6iPCm1HiLuxrlM4Dvy/B607Y3fgEddy5LpZMAdMZ2moepHIjykcL31YJenhuQ aPdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=k14A5dJp7LmvxWpL0/pPY1kz3qsJYR/zE6Xn1HLI82M=; b=hMLWe2MJPvK5F+dBJoATnWUc+Kld/D2FCgTO0USnNCl4kXGJ2F19LRVzpxBVJYOcl3 mstQmiGjmOyljsOXpFzEdDa0SeNwq7EWIpZ19dQ2fsj3HqFBk991psonYFtl1z5U+IMP oZY8kwT+/IaL4ZEfCYHo0X591pG7BcruxAi+DGvY8lC16zp3uCZ04AAHYUQEvUvz7XE5 pUrVCgse9NmqfmvTT+qIhXOdiswIiEWjdXlYZHUYF+PM6/gy0QGyJVlfHcZl2Qtpl0HC K81QQ634L+2iYDDfyQEOnMqFzSVPnvUxstCOAaqMSMKnvr+BJNX7Zdqd7VXz7P/LiOc8 ijzw== X-Gm-Message-State: AOAM530mwEPVZAurrZPgPrDJ2Bh1xbQ8G92RpykBJsr6lrUPDnFcJE/n FpY94/5AEPIaqRT1UPAEG5JkJN0QgFI= X-Google-Smtp-Source: ABdhPJyPUHCUEnbKOft4GfsHOPdHz06DMglLS/+zJ+bu2FSpRso0QUNZVFSGq7SnZpcqgS5UtU34Qg== X-Received: by 2002:a17:90a:e64e:: with SMTP id ep14mr1880106pjb.103.1620268712943; Wed, 05 May 2021 19:38:32 -0700 (PDT) Received: from tee480.ozlabs.ibm.com (159-196-117-139.9fc475.syd.nbn.aussiebb.net. [159.196.117.139]) by smtp.gmail.com with ESMTPSA id k12sm454490pgh.16.2021.05.05.19.38.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 May 2021 19:38:32 -0700 (PDT) From: Jordan Niethe To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v12 0/8] powerpc: Further Strict RWX support Date: Thu, 6 May 2021 12:34:41 +1000 Message-Id: <20210506023449.3568630-1-jniethe5@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ajd@linux.ibm.com, cmr@codefail.de, npiggin@gmail.com, aneesh.kumar@linux.ibm.com, naveen.n.rao@linux.ibm.com, Jordan Niethe , dja@axtens.net Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Adding more Strict RWX support on powerpc, in particular Strict Module RWX. Thanks for all of the feedback everyone. It is now rebased on linux-next + powerpc/64s/radix: Enable huge vmalloc mappings (https://lore.kernel.org/linuxppc-dev/20210503091755.613393-1-npiggin@gmail.com/) For reference the previous revision is available here: https://lore.kernel.org/linuxppc-dev/20210429031602.2606654-1-jniethe5@gmail.com/ The changes in v12 for each patch: Christophe Leroy (2): powerpc/mm: implement set_memory_attr() powerpc/32: use set_memory_attr() Jordan Niethe (3): powerpc/lib/code-patching: Set up Strict RWX patching earlier powerpc/bpf: Remove bpf_jit_free() powerpc/bpf: Write protect JIT code Russell Currey (3): powerpc/mm: Implement set_memory() routines v12: - change_page_attr() back to taking an action value - disallow operating on huge pages powerpc/kprobes: Mark newly allocated probes as ROX v12: - Switch from __vmalloc_node_range() to module_alloc() powerpc: Set ARCH_HAS_STRICT_MODULE_RWX Some patches were dropped from this revision: powerpc: Always define MODULES_{VADDR,END} - Can use what Nick did with "Enable huge vmalloc mappings" arch/powerpc/Kconfig | 2 + arch/powerpc/include/asm/set_memory.h | 34 +++++++ arch/powerpc/kernel/kprobes.c | 17 ++++ arch/powerpc/kernel/module.c | 4 +- arch/powerpc/lib/code-patching.c | 12 +-- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/pageattr.c | 133 ++++++++++++++++++++++++++ arch/powerpc/mm/pgtable_32.c | 60 ++---------- arch/powerpc/net/bpf_jit_comp.c | 13 +-- 9 files changed, 205 insertions(+), 72 deletions(-) create mode 100644 arch/powerpc/include/asm/set_memory.h create mode 100644 arch/powerpc/mm/pageattr.c -- 2.25.1