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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15B06C43334 for ; Sat, 4 Jun 2022 15:20:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237661AbiFDPUq (ORCPT ); Sat, 4 Jun 2022 11:20:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234064AbiFDPUo (ORCPT ); Sat, 4 Jun 2022 11:20:44 -0400 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6239938BFB for ; Sat, 4 Jun 2022 08:20:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654356043; x=1685892043; h=date:from:to:cc:subject:message-id:mime-version; bh=3UQHi9s/Mb4hUv0hjwovhOXp771ivsYDkdrEEQElHqU=; b=GRB6YajK7B+KDUrpsUf85oOX54jzk28Fo00E2UhkGRobStIDBlbrfRas MK4CSXNRZ6gW15yA46jDGSXwSMTCGPexoxhbyP31QNMTwhGt9GlXQNCIy vCD3jOn4p70Lq04z9BrD5Fix6hdJxj2E7DLZWW1SKFxiG/7wOkKW2b4rY vsMkivQuTXS1G5bYd7ne4LooTQmqGBBY28knquVWB4y/i21ZGo4H+CFwc WYylMpZfaPntf5/eMoUipZdwi72RGdisD7thYpa48BIXzO/r2b94QwcNO OQnpCHj9N+wi+JY6OvVmCr5CF4oTWeUAXPI547m6NqmaMYkQhZrYgZMGd A==; X-IronPort-AV: E=McAfee;i="6400,9594,10368"; a="276211339" X-IronPort-AV: E=Sophos;i="5.91,277,1647327600"; d="scan'208";a="276211339" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jun 2022 08:20:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,277,1647327600"; d="scan'208";a="613674934" Received: from lkp-server01.sh.intel.com (HELO 60dabacc1df6) ([10.239.97.150]) by orsmga001.jf.intel.com with ESMTP; 04 Jun 2022 08:20:41 -0700 Received: from kbuild by 60dabacc1df6 with local (Exim 4.95) (envelope-from ) id 1nxVZw-000Azr-Ox; Sat, 04 Jun 2022 15:20:40 +0000 Date: Sat, 4 Jun 2022 23:20:39 +0800 From: kernel test robot To: Julien Grall Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Marc Zyngier , Shameer Kolothum Subject: arch/arm64/kvm/vmid.c:62 flush_context() warn: inconsistent indenting Message-ID: <202206042312.ffdERGjt-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Julien, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 032dcf09e2bf7c822be25b4abef7a6c913870d98 commit: 3248136b3637e1671e4fa46e32e2122f9ec4bc3d KVM: arm64: Align the VMID allocation with the arm64 ASID date: 4 months ago config: arm64-randconfig-m031-20220530 (https://download.01.org/0day-ci/archive/20220604/202206042312.ffdERGjt-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.3.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot smatch warnings: arch/arm64/kvm/vmid.c:62 flush_context() warn: inconsistent indenting vim +62 arch/arm64/kvm/vmid.c 417838392f2e65 Shameer Kolothum 2021-11-22 34 417838392f2e65 Shameer Kolothum 2021-11-22 35 #define vmid_gen_match(vmid) \ 417838392f2e65 Shameer Kolothum 2021-11-22 36 (!(((vmid) ^ atomic64_read(&vmid_generation)) >> kvm_arm_vmid_bits)) 417838392f2e65 Shameer Kolothum 2021-11-22 37 417838392f2e65 Shameer Kolothum 2021-11-22 38 static void flush_context(void) 417838392f2e65 Shameer Kolothum 2021-11-22 39 { 417838392f2e65 Shameer Kolothum 2021-11-22 40 int cpu; 417838392f2e65 Shameer Kolothum 2021-11-22 41 u64 vmid; 417838392f2e65 Shameer Kolothum 2021-11-22 42 417838392f2e65 Shameer Kolothum 2021-11-22 43 bitmap_clear(vmid_map, 0, NUM_USER_VMIDS); 417838392f2e65 Shameer Kolothum 2021-11-22 44 417838392f2e65 Shameer Kolothum 2021-11-22 45 for_each_possible_cpu(cpu) { 417838392f2e65 Shameer Kolothum 2021-11-22 46 vmid = atomic64_xchg_relaxed(&per_cpu(active_vmids, cpu), 0); 417838392f2e65 Shameer Kolothum 2021-11-22 47 417838392f2e65 Shameer Kolothum 2021-11-22 48 /* Preserve reserved VMID */ 417838392f2e65 Shameer Kolothum 2021-11-22 49 if (vmid == 0) 417838392f2e65 Shameer Kolothum 2021-11-22 50 vmid = per_cpu(reserved_vmids, cpu); 417838392f2e65 Shameer Kolothum 2021-11-22 51 __set_bit(vmid2idx(vmid), vmid_map); 417838392f2e65 Shameer Kolothum 2021-11-22 52 per_cpu(reserved_vmids, cpu) = vmid; 417838392f2e65 Shameer Kolothum 2021-11-22 53 } 417838392f2e65 Shameer Kolothum 2021-11-22 54 417838392f2e65 Shameer Kolothum 2021-11-22 55 /* 417838392f2e65 Shameer Kolothum 2021-11-22 56 * Unlike ASID allocator, we expect less frequent rollover in 417838392f2e65 Shameer Kolothum 2021-11-22 57 * case of VMIDs. Hence, instead of marking the CPU as 417838392f2e65 Shameer Kolothum 2021-11-22 58 * flush_pending and issuing a local context invalidation on 417838392f2e65 Shameer Kolothum 2021-11-22 59 * the next context-switch, we broadcast TLB flush + I-cache 417838392f2e65 Shameer Kolothum 2021-11-22 60 * invalidation over the inner shareable domain on rollover. 417838392f2e65 Shameer Kolothum 2021-11-22 61 */ 417838392f2e65 Shameer Kolothum 2021-11-22 @62 kvm_call_hyp(__kvm_flush_vm_context); 417838392f2e65 Shameer Kolothum 2021-11-22 63 } 417838392f2e65 Shameer Kolothum 2021-11-22 64 :::::: The code at line 62 was first introduced by commit :::::: 417838392f2e657ee25cc30e373ff4c35a0faa90 KVM: arm64: Introduce a new VMID allocator for KVM :::::: TO: Shameer Kolothum :::::: CC: Marc Zyngier -- 0-DAY CI Kernel Test Service https://01.org/lkp