From nobody Sun Feb 8 08:42:29 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C196BC77B7A for ; Thu, 25 May 2023 21:01:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241154AbjEYVBT (ORCPT ); Thu, 25 May 2023 17:01:19 -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-Google-Smtp-Source: ACHHUZ7dglrnNdSeCZIQSBsgjYjSTe3LSjFgTqSJchshPoXy4Vr4Jx151LniJF1AA47jpF5mynMU7w== 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: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 :=3D n CFLAGS_string.o +=3D -fno-stack-protector endif =20 +CFLAGS_xarray.o +=3D $(CC_FLAGS_FTRACE) +CFLAGS_iov_iter.o +=3D $(CC_FLAGS_FTRACE) + lib-y :=3D ctype.o string.o vsprintf.o cmdline.o \ rbtree.o radix-tree.o timerqueue.o xarray.o \ maple_tree.o idr.o extable.o irq_regs.o argv_split.o \ @@ -42,6 +45,8 @@ lib-$(CONFIG_SMP) +=3D cpumask.o lib-y +=3D kobject.o klist.o obj-y +=3D lockref.o =20 +CFLAGS_usercopy.o +=3D $(CC_FLAGS_FTRACE) +CFLAGS_find_bit.o +=3D $(CC_FLAGS_FTRACE) obj-y +=3D 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 \ --=20 2.25.1