Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp1526500rwd; Thu, 25 May 2023 14:04:01 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6iTgIpgKNHMegp0nd5kFt9/xGc7sR+8cFO5LEb+rveWilCFItwjLNr+ch1/0JT9TlmnGsC X-Received: by 2002:a17:90a:3fca:b0:252:dd86:9c46 with SMTP id u10-20020a17090a3fca00b00252dd869c46mr3181586pjm.31.1685048641299; Thu, 25 May 2023 14:04:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1685048641; cv=none; d=google.com; s=arc-20160816; b=JVlL2DK3CqykG1EAmX+t2TaboyaLpAidHq/xwDJEEMIxPM491eGd7DpPYjkJ9Env0e PfcNMolhyVT1ROYGvgoLxlRee8LQYe0qCAAMICymw+8f33uVLgYCDLCsPaowfvvUmOJK Jfn4hj7/1IVyGc9gbR2M2WNKEuY3ta2BQ2re2bteJmwr8+HzuWFHpfKLKgpDqy4Vzn/z 8zm9zOwQehHEBT6RYbEOdPWgA4J/zIMfq8mMY4mn4D/HvwmGUNqqAWsR8y+9rg0bohHY /L0yCn0WVnNYy7FX7V7Vgv7bh1Jj1RPJNXlMqek9bwG2zhRBmG/HuGWWURzJ+SIZkyjf erbg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=5+zfwXmZs7on+rhgyTI9s9jH0CR5rkGZ9aJZCDn5M88=; b=jEvDaZicFGZIOsrB6URcsf2220SzveuF/yln3AkkdQznUQj/E/Qf5Ws3z9lt82Jt0B Uuzb7Vs7EVDPnmlndjygGMYKGhfnGoogRGMdvtDY6gDWpBenWrcvvAgfXcPeljMFHJ1I zg6uc2nysqMUtILNKG5s5Q6MKe9OhfxEDhrSzbZ8u89GbALlnzp1GBzYTBpfIPYQBLSC pOplA/LI5SKY+gxDU5ZGoTko6ewGa02dAdeUYbaYd0DKXEJzY1GGdCLM2wgM5nn3sFEv mDH9Nq1lYT8Ybp+K/cyYV9k2isQMoF7WTeuEBHP1fq+EK38Iw9Bvd8jEmFVm5C8xyPre 4AZg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=mU7K5hQE; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id iq14-20020a17090afb4e00b0025027e0ad3dsi2336382pjb.81.2023.05.25.14.03.49; Thu, 25 May 2023 14:04:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=mU7K5hQE; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241918AbjEYVBR (ORCPT + 99 others); Thu, 25 May 2023 17:01:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53302 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232203AbjEYVBI (ORCPT ); Thu, 25 May 2023 17:01:08 -0400 Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55B961B6; Thu, 25 May 2023 14:01:01 -0700 (PDT) Received: by mail-pg1-x535.google.com with SMTP id 41be03b00d2f7-53f448cde66so263a12.1; Thu, 25 May 2023 14:01:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685048461; x=1687640461; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=5+zfwXmZs7on+rhgyTI9s9jH0CR5rkGZ9aJZCDn5M88=; b=mU7K5hQEZ44NsT0+5VXofyw6qEDSPgD8wBkX7n613X0GzbWLqpmZC3VJfMwNx6m/tq nnfiSAnDqXg2POPsu6CCB/gzZ0hd00mUuaPE+wCpcwaSz8z7oc89KKDtJz7qu8LL0mFn S+jgvx9ju/DapGofobgM+AK3Axd4+Sc4U5KjNwRTJHheCODSmqZjtYzqbwgiWlD2FgMF srcMN9K8JH7pV8rjvzbVKic2ZONIx6t1veprRCepvX3TDcKPRo9Y07bOKmCyV0LvyjJw gbGeTnFOlGb6asM++1XIHud54i9VTyzPItSSun7x2eo35b2AKXgtMS5KXFv8bAflCIg7 ysIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685048461; x=1687640461; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5+zfwXmZs7on+rhgyTI9s9jH0CR5rkGZ9aJZCDn5M88=; b=Plew69F6gnqLSoJ/bbamJq5mgfBLeVEz9Rdy5MwzAohMxJ9piwR8FFzFcpyjGmW5Fp u9AtrakaxQq1r2CE/ghuzCMdlZWMsb6qsuKdZQcGyCjH6bEaQSCQjOcSi9SlZ0C3jQH4 GxUSQD/quw7iE39aL8w4RV+Wpro6NUsq4B378ECBxsahe6IsldWaZdHuVKkzfiyoE9k+ J8lLG2s09IzXJgHqHI5IJhvyRtIUdns80X2XsgH4LvbFICQ9/xPM5CjQtIS7JpwA7jfK P6yp6tDKGcme+UK+bmXQwwODiBhL9IcWhfUrOJ9s8cpKsmnqNAgRcqry3XxQhTSgg2mb 7HsQ== X-Gm-Message-State: AC+VfDxGyW/Ww9ig3e/9e5AF/wXqL8nUQW1SV6uuHeRoObIf1K+n/5GK KpsMqRxNS+jw/7zUVxADnK8= X-Received: by 2002:a17:902:e810:b0:1ac:5c90:23e with SMTP id u16-20020a170902e81000b001ac5c90023emr71805plg.7.1685048460660; Thu, 25 May 2023 14:01:00 -0700 (PDT) Received: from sc2-haas01-esx0118.eng.vmware.com ([66.170.99.1]) by smtp.gmail.com with ESMTPSA id j21-20020a170902c3d500b001ae8587d60csm1807673plj.265.2023.05.25.14.00.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 May 2023 14:01:00 -0700 (PDT) From: Nadav Amit X-Google-Original-From: Nadav Amit To: Steven Rostedt , "Arnd Bergmann" , "Thomas Gleixner" Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-um@lists.infradead.org, Linux-Arch , linux-mm@kvack.org, "Andy Lutomirski" , "Ingo Molnar" , "Dave Hansen" , "Borislav Petkov" , x86@kernel.org, Peter Zijlstra , Nadav Amit Subject: [PATCH v2 3/3] lib: Allow traceing of usercopy, xarray, iov_iter, find_bit Date: Thu, 25 May 2023 14:00:40 -0700 Message-Id: <20230525210040.3637-4-namit@vmware.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230525210040.3637-1-namit@vmware.com> References: <20230525210040.3637-1-namit@vmware.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nadav Amit There is no reason not to allow the use of ftrace for usercopy, xarray and iov_iter. Enable tracing for these compilation unit. Signed-off-by: Nadav Amit --- lib/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/Makefile b/lib/Makefile index 876fcdeae34e..00450e1cc97d 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -27,6 +27,9 @@ KASAN_SANITIZE_string.o := n CFLAGS_string.o += -fno-stack-protector endif +CFLAGS_xarray.o += $(CC_FLAGS_FTRACE) +CFLAGS_iov_iter.o += $(CC_FLAGS_FTRACE) + lib-y := ctype.o string.o vsprintf.o cmdline.o \ rbtree.o radix-tree.o timerqueue.o xarray.o \ maple_tree.o idr.o extable.o irq_regs.o argv_split.o \ @@ -42,6 +45,8 @@ lib-$(CONFIG_SMP) += cpumask.o lib-y += kobject.o klist.o obj-y += lockref.o +CFLAGS_usercopy.o += $(CC_FLAGS_FTRACE) +CFLAGS_find_bit.o += $(CC_FLAGS_FTRACE) obj-y += bcd.o sort.o parser.o debug_locks.o random32.o \ bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \ list_sort.o uuid.o iov_iter.o clz_ctz.o \ -- 2.25.1