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 948F4C4332F for ; Thu, 14 Dec 2023 14:53:41 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 05B8F6B00E4; Thu, 14 Dec 2023 09:53:41 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id ED2376B00DC; Thu, 14 Dec 2023 09:53:40 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D73EA6B00E2; Thu, 14 Dec 2023 09:53:40 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id C13706B00DB for ; Thu, 14 Dec 2023 09:53:40 -0500 (EST) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 5AB9012040A for ; Thu, 14 Dec 2023 14:53:40 +0000 (UTC) X-FDA: 81565717800.26.624C6ED Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf29.hostedemail.com (Postfix) with ESMTP id 00D94120028 for ; Thu, 14 Dec 2023 14:53:36 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=OdMTdNSd; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf29.hostedemail.com: domain of "SRS0=jwZU=HZ=paulmck-ThinkPad-P17-Gen-1.home=paulmck@kernel.org" designates 145.40.73.55 as permitted sender) smtp.mailfrom="SRS0=jwZU=HZ=paulmck-ThinkPad-P17-Gen-1.home=paulmck@kernel.org" ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1702565617; h=from:from:sender:reply-to: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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=f3wNYB504RZG4KIUg0FkRLYuVJFuYOlcgfs5yq9ePBg=; b=qY0eJ/2Ags8EsLqOddn8xSC7cTmRHLJO70FHQkBlCmxXg1UtYKF0HcTLOR44HGnL9sY9Ga 7qzC7LuiPmvQ8LGhpRs0Dz3fZS8flUtNGzCzNydlP5dQM/1LCJGOBd8bKYuwfaIDQDu0AT iaT8avsTUqbo22FrEPmnEDOKWl8NdJw= ARC-Authentication-Results: i=1; imf29.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=OdMTdNSd; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf29.hostedemail.com: domain of "SRS0=jwZU=HZ=paulmck-ThinkPad-P17-Gen-1.home=paulmck@kernel.org" designates 145.40.73.55 as permitted sender) smtp.mailfrom="SRS0=jwZU=HZ=paulmck-ThinkPad-P17-Gen-1.home=paulmck@kernel.org" ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1702565617; a=rsa-sha256; cv=none; b=5VoQ7bTXpsh0R0q0j0RVR81ffPuCpJIaDjsUovo8drsTVphnG3yiVdm9WszqVeWTZE2iLp ySmBc+Y9NY1a7fORdy5KIFEvxUyvM2lOJt18unoh0CSHyYiPPVzrPer+AukVe4tQYvuixC GdkBW4j6HB174fVhq37KOp6uMoI5kJA= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 1BA7DCE248F; Thu, 14 Dec 2023 14:53:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33E07C433C9; Thu, 14 Dec 2023 14:53:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702565612; bh=zKtsxzg5ewuuUfmH3dtP4m+8v7AC4l/Rsgp+zoFSlTk=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=OdMTdNSdsBedHYfA/km55tpAhoPxGuQ5C3sv3H802YR71x9Rq8caFZzBTTcxz6iLO gJIVA/eifhNKgRNFwtDt2s+orbzO2eOryvXk8wf3LY6iG07r3DoAYmTi9bKMR7YfsG YkWChjsvnOXi4MkNnl4Z/TnXZu9fyNAJwe63YVaSAZw8vE44fZx3PEmjkBtPNNDZfM aiAkx/SsAyONpl+nZy0s2sHFAeaxRgcMvGK7q5TTyrowX6kERmTdqCQB0Jj5a2wOmm LFa6mGiO803X71Z2nrR4O39bdQicckiVSFzvOruc3AcPAJFUcrx1K9U2kmVbiE+z7Y 0EvR2nkopVQXA== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id A482FCE0DDE; Thu, 14 Dec 2023 06:53:31 -0800 (PST) Date: Thu, 14 Dec 2023 06:53:31 -0800 From: "Paul E. McKenney" To: kernel test robot Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , "Neeraj Upadhyay (AMD)" , "Joel Fernandes (Google)" Subject: Re: [linux-next:master 6386/7300] kernel/rcu/tree.c:2965:(.text+0x5b44): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' Message-ID: Reply-To: paulmck@kernel.org References: <202312140939.zA3tdSi2-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202312140939.zA3tdSi2-lkp@intel.com> X-Rspamd-Queue-Id: 00D94120028 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: yzmrsectbd1868fzuwrfr1ceu53ukirz X-HE-Tag: 1702565616-249729 X-HE-Meta: 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 udkV3QPM 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 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: List-Subscribe: List-Unsubscribe: On Thu, Dec 14, 2023 at 09:25:29AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 48e8992e33abf054bcc0bb2e77b2d43bb899212e > commit: 4e58aaeebb3c27993c734c99eae6881b196b1ddb [6386/7300] rcu: Restrict access to RCU CPU stall notifiers > config: csky-randconfig-r013-20230826 (https://download.01.org/0day-ci/archive/20231214/202312140939.zA3tdSi2-lkp@intel.com/config) > compiler: csky-linux-gcc (GCC) 13.2.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231214/202312140939.zA3tdSi2-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202312140939.zA3tdSi2-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > kernel/rcu/tree.o: in function `drain_page_cache': > >> kernel/rcu/tree.c:2965:(.text+0x5b44): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' I have questions. ;-) Is this something that I need to fix, or is this a problem with the csky toolchain? If it is something that I need to fix, how exactly do I fix it? Thanx, Paul > kernel/rcu/tree.c:2968:(.text+0x5b5c): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' > kernel/rcu/tree.o: in function `kfree_rcu_shrink_scan': > kernel/rcu/tree.c:3476:(.text+0x5b6a): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' > kernel/rcu/tree.o: in function `rcu_do_batch': > kernel/rcu/tree.c:2102:(.text+0x5be6): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' > kernel/rcu/tree.c:2117:(.text+0x5c06): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' > kernel/rcu/tree.c:2119:(.text+0x5c22): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' > kernel/rcu/tree.c:2135:(.text+0x5c66): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' > kernel/rcu/tree.c:2144:(.text+0x5ca2): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' > kernel/rcu/tree.o: in function `rcu_lock_acquire': > >> include/linux/rcupdate.h:301:(.text+0x5cb2): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' > include/linux/rcupdate.h:301:(.text+0x5cce): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table' > kernel/rcu/tree.o: in function `rcu_lock_release': > include/linux/rcupdate.h:306:(.text+0x5cee): additional relocation overflows omitted from the output > > > vim +2965 kernel/rcu/tree.c > > 53c72b590b3a0a Uladzislau Rezki (Sony 2020-05-25 2951) > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2952 static int > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2953 drain_page_cache(struct kfree_rcu_cpu *krcp) > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2954 { > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2955 unsigned long flags; > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2956 struct llist_node *page_list, *pos, *n; > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2957 int freed = 0; > 53c72b590b3a0a Uladzislau Rezki (Sony 2020-05-25 2958) > 6b706e5603c44f Zqiang 2023-04-18 2959 if (!rcu_min_cached_objs) > 6b706e5603c44f Zqiang 2023-04-18 2960 return 0; > 6b706e5603c44f Zqiang 2023-04-18 2961 > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2962 raw_spin_lock_irqsave(&krcp->lock, flags); > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2963 page_list = llist_del_all(&krcp->bkvcache); > ac7625ebd5f7ba Uladzislau Rezki (Sony 2021-04-15 2964) WRITE_ONCE(krcp->nr_bkv_objs, 0); > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 @2965 raw_spin_unlock_irqrestore(&krcp->lock, flags); > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2966 > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2967 llist_for_each_safe(pos, n, page_list) { > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2968 free_page((unsigned long)pos); > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2969 freed++; > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2970 } > 53c72b590b3a0a Uladzislau Rezki (Sony 2020-05-25 2971) > d0bfa8b3c411e2 Zhang Qiang 2021-04-15 2972 return freed; > 53c72b590b3a0a Uladzislau Rezki (Sony 2020-05-25 2973) } > 53c72b590b3a0a Uladzislau Rezki (Sony 2020-05-25 2974) > > :::::: The code at line 2965 was first introduced by commit > :::::: d0bfa8b3c411e25e014e4131d2804afe29c440a6 kvfree_rcu: Release a page cache under memory pressure > > :::::: TO: Zhang Qiang > :::::: CC: Paul E. McKenney > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki