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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 026ACC433FE for ; Wed, 19 Oct 2022 17:59:01 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 765EB6B0072; Wed, 19 Oct 2022 13:59:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7170A6B0073; Wed, 19 Oct 2022 13:59:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5DDB36B0074; Wed, 19 Oct 2022 13:59:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 4F3546B0072 for ; Wed, 19 Oct 2022 13:59:01 -0400 (EDT) Received: from smtpin29.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 154E4C07A0 for ; Wed, 19 Oct 2022 17:59:01 +0000 (UTC) X-FDA: 80038460082.29.A596417 Received: from mail-yb1-f170.google.com (mail-yb1-f170.google.com [209.85.219.170]) by imf08.hostedemail.com (Postfix) with ESMTP id 97F20160037 for ; Wed, 19 Oct 2022 17:59:00 +0000 (UTC) Received: by mail-yb1-f170.google.com with SMTP id e62so21773691yba.6 for ; Wed, 19 Oct 2022 10:59:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=j5qHi6nHuKOfTP8VfwA/3L86+MJKtgh8T4LGj4c4RHw=; b=RfiBykGYswiG2vh8XMUmoLM74qAx5iJOEWUMd5Wtj8Yp8nrAk8j4By7i2dsHjBxjgb tGEEAxp6QuPLXlwbcCsZoscO5zafgPB7CxvCsiVWHoYW230QZSClPC6nC+RC5DaUT346 W98lfsbJFxh5fLZLY+S0cewDtjJd9ViR16NEzMeO8E2CELEDquTw3JlbpySt+LF9v8xu 74cL+Jxsrfp8588RAPFJIK5ursfoWQJr8USrp5hmZxy3YEMs2zKU33qLjowdAeouhhHy +pphZCXara/jRuW64fh6o0939nY93ikjJmL5P72xDFafy/M5DDpyv7G8X+VxOWqq84VP AKVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=j5qHi6nHuKOfTP8VfwA/3L86+MJKtgh8T4LGj4c4RHw=; b=NgOMl5Z3tlmiTbglR7AereqTfaRcE07YSzDoW5xKcgRcID9WYokE9xGh7+Nuzx588x K1Ug2FfLfamfrMcCo3SI8FuzrHN7upfXfnJRngV3YwrpnChYvCED7vFNinyy1rb0RehV aqN/LUBXBUVx644C0gGpTKnQETte1/kfSHENcCa4jNTkrUc66L0aTiRsjgN1U9qWN3iu HxdFGBY0Hcp45DBrTE1BPP62lqXFggBKb6Rg6cltmqMpcm+q6t6607laxg5vn18C0o52 4CEI1h16ssoQ4QyW5XGBYym/aMWUpTXybr5uGbCx2c2IN0KjyNEZn1cRMc4CE2KGmW4e SGSg== X-Gm-Message-State: ACrzQf3I3pCTy9A1LNH+AqQV26SEh8b6pmknJ3U3GMLQFSAIjtKSC3d3 Nr5FHPs3ryeZe9dJfpC4OVvM8uVZxrMXbiDvWTFYgQ== X-Google-Smtp-Source: AMsMyM59+L+KMwxfbImKjoRVlkgY8srfuJQpvYqOIm3ItZkiLy2MZkIg8zdS6EYzdbHm3Ex62iXEx47Jxg1tHbxXzc0= X-Received: by 2002:a05:6902:305:b0:6c3:b4d6:7a04 with SMTP id b5-20020a056902030500b006c3b4d67a04mr7524830ybs.93.1666202339610; Wed, 19 Oct 2022 10:58:59 -0700 (PDT) MIME-Version: 1.0 References: <20220915150417.722975-19-glider@google.com> <20221019173620.10167-1-youling257@gmail.com> In-Reply-To: From: Marco Elver Date: Wed, 19 Oct 2022 10:58:23 -0700 Message-ID: Subject: Re: [PATCH v7 18/43] instrumented.h: add KMSAN support To: youling 257 Cc: Alexander Viro , Alexei Starovoitov , Andrew Morton , Andrey Konovalov , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Christoph Hellwig , Christoph Lameter , David Rientjes , Dmitry Vyukov , Eric Biggers , Eric Dumazet , Greg Kroah-Hartman , Herbert Xu , Ilya Leoshkevich , Ingo Molnar , Jens Axboe , Joonsoo Kim , Kees Cook , Mark Rutland , Matthew Wilcox , "Michael S. Tsirkin" , Pekka Enberg , Peter Zijlstra , Petr Mladek , Stephen Rothwell , Steven Rostedt , Thomas Gleixner , Vasily Gorbik , Vegard Nossum , Vlastimil Babka , kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1666202340; a=rsa-sha256; cv=none; b=seTNDRsldDOsrkfPgsvnOLCf/u96cwNoL5dLQF4X8Eb83GmBDE+csMwVQl7fCuqQlW+oDO K5mtqivJMRGBdz6+KlA4FNo9zDI0HwfQ9JjHQY5a57c4L8xibpVR79YBh4dZwxLLNxcado Agjnv0YlC7MKz2Q1Di29CQn23HJF7Ko= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=RfiBykGY; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf08.hostedemail.com: domain of elver@google.com designates 209.85.219.170 as permitted sender) smtp.mailfrom=elver@google.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1666202340; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=j5qHi6nHuKOfTP8VfwA/3L86+MJKtgh8T4LGj4c4RHw=; b=hWMPkjg0Opu0og3Hc0Dbmwe+uPEjsuc71lGBVqJo4yAKpOaHAUQ8Fd1cX67MvMDn0Ij+5/ 5ZUH/yW+rSRcAPmNFWMX6NDom8dannucUt73XlDdEBof64oAU7ioKiZWCyxuDctHi0pYK1 ExqIU7kpFq6ZDtyJRy+9pbIxGa8YQtk= X-Rspamd-Server: rspam05 X-Rspam-User: X-Rspamd-Queue-Id: 97F20160037 Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=RfiBykGY; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf08.hostedemail.com: domain of elver@google.com designates 209.85.219.170 as permitted sender) smtp.mailfrom=elver@google.com X-Stat-Signature: qm8j78ypq3u56t3sote3rq67td1zb8ig X-HE-Tag: 1666202340-603902 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, 19 Oct 2022 at 10:37, youling 257 wrote: > > > > ---------- Forwarded message --------- > =E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9A youling257 > Date: 2022=E5=B9=B410=E6=9C=8820=E6=97=A5=E5=91=A8=E5=9B=9B =E4=B8=8A=E5= =8D=881:36 > Subject: Re: [PATCH v7 18/43] instrumented.h: add KMSAN support > To: > Cc: > > > i using linux kernel 6.1rc1 on android, i use gcc12 build kernel 6.1 for = android, CONFIG_KMSAN is not set. > "instrumented.h: add KMSAN support" cause android bluetooth high CPU usag= e. > git bisect linux kernel 6.1rc1, "instrumented.h: add KMSAN support" is a = bad commit for my android. > > this is my kernel 6.1, revert include/linux/instrumented.h fix high cpu = usage problem. > https://github.com/youling257/android-mainline/commits/6.1 What arch? If x86, can you try to revert only the change to instrument_get_user()? (I wonder if the u64 conversion is causing issues.)