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=-5.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 B2D72C433DF for ; Sat, 16 May 2020 22:33:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A2B820727 for ; Sat, 16 May 2020 22:33:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZexPATSH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726703AbgEPWdJ (ORCPT ); Sat, 16 May 2020 18:33:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53316 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726290AbgEPWdJ (ORCPT ); Sat, 16 May 2020 18:33:09 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF864C061A0C; Sat, 16 May 2020 15:33:08 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id hi11so2840447pjb.3; Sat, 16 May 2020 15:33:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=vj3ZKk5i0HEzrSyFnN96bWdCY5i8K/6dkf5RChzT2ig=; b=ZexPATSHr7TALdW5suzyO0HE9DmxJQXNVHQ0JYd3NgIX/IZ0oCHjwnG0InSE40wRkY oxyal/oLFc0JhbpQqvIrfCEeGgUpVJV+GGU3iHCGwGRQq+zFWcgiE0onR5j/uJFtYKXu f0vU3LvSwcsRbyPK/k35OqSiFkk2ARLROQvkc07gSiGk9q1VqPHncuDmJC3Zz/e5NEBi N2RixgwTrQI6Dpk4/oJl0LJJykwxI0dqRNcVy8OxUq388yjIWGHs0NMrVPlJiuk6UECl NX9zX08qdEGrKDSrLmDEZrNnRxqqjpaHSDmsxnAMxOdv9+w3HJtGo7DYt/Q8BDDMwjlF 6vAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=vj3ZKk5i0HEzrSyFnN96bWdCY5i8K/6dkf5RChzT2ig=; b=KA6rklDxiQD/Yo64+90ejd1xKqf9Wzt9BcCEg6x45fZyCXDOPnGiX5dnGB1A9BXb7q ihWs/T39gP4ks3E0meGLQddpgBhnBe037tvZDlnc26TtOkw/7dWGJy5y17v9Iwdl1YUr ULoXtzCszXnkGtye89Hh/GY0Vme5eMTqNLpvCHH41sZbbUT4gz8jx1hqnsc4CiYQeuzU zuw+hh2JfsEVJJ4NdykZq7MbF5gxuumMfg+x4a39ZKYsTprma1nhkrdaAOAnxF5Gfyg9 HukBCd+5Y01L7PzliwTFnVshUODUexJZz2csInmFkAi7FIRHMXZblHMea/j2paqBwXYF IOoA== X-Gm-Message-State: AOAM532W5vuncHvxNppMHEcVbMVOrKgwK0KIo0F9LuQ8vP5KdKP7zYwy 1xUpvfsprcs/+n4lPqM+tts= X-Google-Smtp-Source: ABdhPJwpG0/yP7Vs4M/H3HPMY6d7xUvEDfPCG28ANMmHTAEHrZxhJBJVmBjSecSOTX5/ONZsU65JGA== X-Received: by 2002:a17:902:bc86:: with SMTP id bb6mr9492182plb.243.1589668388271; Sat, 16 May 2020 15:33:08 -0700 (PDT) Received: from localhost ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id dw12sm4633881pjb.31.2020.05.16.15.33.07 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sat, 16 May 2020 15:33:07 -0700 (PDT) Date: Sat, 16 May 2020 15:33:06 -0700 From: Guenter Roeck To: ira.weiny@intel.com Cc: linux-kernel@vger.kernel.org, Andrew Morton , Christoph Hellwig , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , "David S. Miller" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Chris Zankel , Max Filippov , Dan Williams , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dri-devel@lists.freedesktop.org, Christian Koenig , Al Viro Subject: Re: [PATCH V3 07/15] arch/kunmap_atomic: Consolidate duplicate code Message-ID: <20200516223306.GA161252@roeck-us.net> References: <20200507150004.1423069-1-ira.weiny@intel.com> <20200507150004.1423069-8-ira.weiny@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200507150004.1423069-8-ira.weiny@intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On Thu, May 07, 2020 at 07:59:55AM -0700, ira.weiny@intel.com wrote: > From: Ira Weiny > > Every single architecture (including !CONFIG_HIGHMEM) calls... > > pagefault_enable(); > preempt_enable(); > > ... before returning from __kunmap_atomic(). Lift this code into the > kunmap_atomic() macro. > > While we are at it rename __kunmap_atomic() to kunmap_atomic_high() to > be consistent. > > Reviewed-by: Christoph Hellwig > Signed-off-by: Ira Weiny This patch results in: Starting init: /bin/sh exists but couldn't execute it (error -14) when trying to boot microblazeel:petalogix-ml605 in qemu. Bisect log attached. Guenter --- # bad: [bdecf38f228bcca73b31ada98b5b7ba1215eb9c9] Add linux-next specific files for 20200515 # good: [2ef96a5bb12be62ef75b5828c0aab838ebb29cb8] Linux 5.7-rc5 git bisect start 'HEAD' 'v5.7-rc5' # good: [3674d7aa7a8e61d993886c2fb7c896c5ef85e988] Merge remote-tracking branch 'crypto/master' git bisect good 3674d7aa7a8e61d993886c2fb7c896c5ef85e988 # good: [87f6f21783522e6d62127cf33ae5e95f50874beb] Merge remote-tracking branch 'spi/for-next' git bisect good 87f6f21783522e6d62127cf33ae5e95f50874beb # good: [5c428e8277d5d97c85126387d4e00aa5adde4400] Merge remote-tracking branch 'staging/staging-next' git bisect good 5c428e8277d5d97c85126387d4e00aa5adde4400 # good: [f68de67ed934e7bdef4799fd7777c86f33f14982] Merge remote-tracking branch 'hyperv/hyperv-next' git bisect good f68de67ed934e7bdef4799fd7777c86f33f14982 # bad: [54acd2dc52b069da59639eea0d0c92726f32fb01] mm/memblock: fix a typo in comment "implict"->"implicit" git bisect bad 54acd2dc52b069da59639eea0d0c92726f32fb01 # good: [784a17aa58a529b84f7cc50f351ed4acf3bd11f3] mm: remove the pgprot argument to __vmalloc git bisect good 784a17aa58a529b84f7cc50f351ed4acf3bd11f3 # good: [6cd8137ff37e9a37aee2d2a8889c8beb8eab192f] khugepaged: replace the usage of system(3) in the test git bisect good 6cd8137ff37e9a37aee2d2a8889c8beb8eab192f # bad: [6987da379826ed01b8a1cf046b67cc8cc10117cc] sparc: remove unnecessary includes git bisect bad 6987da379826ed01b8a1cf046b67cc8cc10117cc # good: [bc17b545388f64c09e83e367898e28f60277c584] mm/hugetlb: define a generic fallback for is_hugepage_only_range() git bisect good bc17b545388f64c09e83e367898e28f60277c584 # bad: [9b5aa5b43f957f03a1f4a9aff5f7924e2ebbc011] arch-kmap_atomic-consolidate-duplicate-code-checkpatch-fixes git bisect bad 9b5aa5b43f957f03a1f4a9aff5f7924e2ebbc011 # good: [0941a38ff0790c1004270f952067a5918a4ba32d] arch/kmap: remove redundant arch specific kmaps git bisect good 0941a38ff0790c1004270f952067a5918a4ba32d # good: [56e635a64c2cbfa815c851af10e0f811e809977b] arch-kunmap-remove-duplicate-kunmap-implementations-fix git bisect good 56e635a64c2cbfa815c851af10e0f811e809977b # bad: [60f96b2233c790d4f1c49317643051f1670bcb29] arch/kmap_atomic: consolidate duplicate code git bisect bad 60f96b2233c790d4f1c49317643051f1670bcb29 # good: [7b3708dc3bf72a647243064fe7ddf9a76248ddfd] {x86,powerpc,microblaze}/kmap: move preempt disable git bisect good 7b3708dc3bf72a647243064fe7ddf9a76248ddfd # first bad commit: [60f96b2233c790d4f1c49317643051f1670bcb29] arch/kmap_atomic: consolidate duplicate code