linux-kernel - Re: [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAKwvOd=8jUsRFKg6+sqq2-DakbRBGR6Z6mR_smuxp+cMEmCHLw@mail.gmail.com>
Date:   Thu, 17 Jun 2021 10:16:50 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Joerg Roedel <joro@...tes.org>
Cc:     Will Deacon <will@...nel.org>,
        David Woodhouse <dwmw2@...radead.org>,
        iommu@...ts.linux-foundation.org,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Joerg Roedel <jroedel@...e.de>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c

On Thu, Jun 17, 2021 at 7:54 AM Joerg Roedel <joro@...tes.org> wrote:
>
> From: Joerg Roedel <jroedel@...e.de>
>
> Fix this warning when compiled with clang and W=1:
>
>         drivers/iommu/intel/perf.c:16: warning: Function parameter or member 'latency_lock' not described in 'DEFINE_SPINLOCK'
>         drivers/iommu/intel/perf.c:16: warning: expecting prototype for perf.c(). Prototype was for DEFINE_SPINLOCK() instead

I think these warnings are actually produced by kernel-doc? (not clang)

>
> Cc: Lu Baolu <baolu.lu@...ux.intel.com>
> Reported-by: kernel test robot <lkp@...el.com>
> Fixes: 55ee5e67a59a ("iommu/vt-d: Add common code for dmar latency performance monitors")
> Signed-off-by: Joerg Roedel <jroedel@...e.de>
> ---
>  drivers/iommu/intel/perf.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/intel/perf.c b/drivers/iommu/intel/perf.c
> index 73b7ec705552..0e8e03252d92 100644
> --- a/drivers/iommu/intel/perf.c
> +++ b/drivers/iommu/intel/perf.c
> @@ -1,5 +1,5 @@
>  // SPDX-License-Identifier: GPL-2.0
> -/**
> +/*
>   * perf.c - performance monitor
>   *
>   * Copyright (C) 2021 Intel Corporation
> --
> 2.31.1
>
> --
> You received this message because you are subscribed to the Google Groups "Clang Built Linux" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe@...glegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/20210617145339.2692-1-joro%408bytes.org.



-- 
Thanks,
~Nick Desaulniers