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Date:   Fri, 15 Jan 2021 13:58:17 -0800
From:   "Paul E. McKenney" <paulmck@kernel.org>
To:     Marco Elver <elver@google.com>
Cc:     dvyukov@google.com, glider@google.com, andreyknvl@google.com,
        kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] kcsan: Add missing license and copyright headers
Message-ID: <20210115215817.GN2743@paulmck-ThinkPad-P72>
Reply-To: paulmck@kernel.org
References: <20210115170953.3035153-1-elver@google.com>
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On Fri, Jan 15, 2021 at 06:09:53PM +0100, Marco Elver wrote:
> Adds missing license and/or copyright headers for KCSAN source files.
> 
> Signed-off-by: Marco Elver <elver@google.com>

This one seemed straightforward and I heard no objections to the previous
two-patch series, so I queued them for the v5.13 merge window, thank you!

If any of them need adjustment, please send me the updated patch and
tell me which one it replaces.  Something about -rcu being in heavy
experimental mode at the moment.  ;-)

							Thanx, Paul

> ---
>  Documentation/dev-tools/kcsan.rst | 3 +++
>  include/linux/kcsan-checks.h      | 6 ++++++
>  include/linux/kcsan.h             | 7 +++++++
>  kernel/kcsan/atomic.h             | 5 +++++
>  kernel/kcsan/core.c               | 5 +++++
>  kernel/kcsan/debugfs.c            | 5 +++++
>  kernel/kcsan/encoding.h           | 5 +++++
>  kernel/kcsan/kcsan.h              | 3 ++-
>  kernel/kcsan/report.c             | 5 +++++
>  kernel/kcsan/selftest.c           | 5 +++++
>  10 files changed, 48 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/dev-tools/kcsan.rst b/Documentation/dev-tools/kcsan.rst
> index be7a0b0e1f28..d85ce238ace7 100644
> --- a/Documentation/dev-tools/kcsan.rst
> +++ b/Documentation/dev-tools/kcsan.rst
> @@ -1,3 +1,6 @@
> +.. SPDX-License-Identifier: GPL-2.0
> +.. Copyright (C) 2019, Google LLC.
> +
>  The Kernel Concurrency Sanitizer (KCSAN)
>  ========================================
>  
> diff --git a/include/linux/kcsan-checks.h b/include/linux/kcsan-checks.h
> index cf14840609ce..9fd0ad80fef6 100644
> --- a/include/linux/kcsan-checks.h
> +++ b/include/linux/kcsan-checks.h
> @@ -1,4 +1,10 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * KCSAN access checks and modifiers. These can be used to explicitly check
> + * uninstrumented accesses, or change KCSAN checking behaviour of accesses.
> + *
> + * Copyright (C) 2019, Google LLC.
> + */
>  
>  #ifndef _LINUX_KCSAN_CHECKS_H
>  #define _LINUX_KCSAN_CHECKS_H
> diff --git a/include/linux/kcsan.h b/include/linux/kcsan.h
> index 53340d8789f9..fc266ecb2a4d 100644
> --- a/include/linux/kcsan.h
> +++ b/include/linux/kcsan.h
> @@ -1,4 +1,11 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * The Kernel Concurrency Sanitizer (KCSAN) infrastructure. Public interface and
> + * data structures to set up runtime. See kcsan-checks.h for explicit checks and
> + * modifiers. For more info please see Documentation/dev-tools/kcsan.rst.
> + *
> + * Copyright (C) 2019, Google LLC.
> + */
>  
>  #ifndef _LINUX_KCSAN_H
>  #define _LINUX_KCSAN_H
> diff --git a/kernel/kcsan/atomic.h b/kernel/kcsan/atomic.h
> index 75fe701f4127..530ae1bda8e7 100644
> --- a/kernel/kcsan/atomic.h
> +++ b/kernel/kcsan/atomic.h
> @@ -1,4 +1,9 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Rules for implicitly atomic memory accesses.
> + *
> + * Copyright (C) 2019, Google LLC.
> + */
>  
>  #ifndef _KERNEL_KCSAN_ATOMIC_H
>  #define _KERNEL_KCSAN_ATOMIC_H
> diff --git a/kernel/kcsan/core.c b/kernel/kcsan/core.c
> index 3bf98db9c702..8c3867640c21 100644
> --- a/kernel/kcsan/core.c
> +++ b/kernel/kcsan/core.c
> @@ -1,4 +1,9 @@
>  // SPDX-License-Identifier: GPL-2.0
> +/*
> + * KCSAN core runtime.
> + *
> + * Copyright (C) 2019, Google LLC.
> + */
>  
>  #define pr_fmt(fmt) "kcsan: " fmt
>  
> diff --git a/kernel/kcsan/debugfs.c b/kernel/kcsan/debugfs.c
> index 3c8093a371b1..c837ce6c52e6 100644
> --- a/kernel/kcsan/debugfs.c
> +++ b/kernel/kcsan/debugfs.c
> @@ -1,4 +1,9 @@
>  // SPDX-License-Identifier: GPL-2.0
> +/*
> + * KCSAN debugfs interface.
> + *
> + * Copyright (C) 2019, Google LLC.
> + */
>  
>  #define pr_fmt(fmt) "kcsan: " fmt
>  
> diff --git a/kernel/kcsan/encoding.h b/kernel/kcsan/encoding.h
> index 7ee405524904..170a2bb22f53 100644
> --- a/kernel/kcsan/encoding.h
> +++ b/kernel/kcsan/encoding.h
> @@ -1,4 +1,9 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * KCSAN watchpoint encoding.
> + *
> + * Copyright (C) 2019, Google LLC.
> + */
>  
>  #ifndef _KERNEL_KCSAN_ENCODING_H
>  #define _KERNEL_KCSAN_ENCODING_H
> diff --git a/kernel/kcsan/kcsan.h b/kernel/kcsan/kcsan.h
> index 8d4bf3431b3c..594a5dd4842a 100644
> --- a/kernel/kcsan/kcsan.h
> +++ b/kernel/kcsan/kcsan.h
> @@ -1,8 +1,9 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
> -
>  /*
>   * The Kernel Concurrency Sanitizer (KCSAN) infrastructure. For more info please
>   * see Documentation/dev-tools/kcsan.rst.
> + *
> + * Copyright (C) 2019, Google LLC.
>   */
>  
>  #ifndef _KERNEL_KCSAN_KCSAN_H
> diff --git a/kernel/kcsan/report.c b/kernel/kcsan/report.c
> index d3bf87e6007c..13dce3c664d6 100644
> --- a/kernel/kcsan/report.c
> +++ b/kernel/kcsan/report.c
> @@ -1,4 +1,9 @@
>  // SPDX-License-Identifier: GPL-2.0
> +/*
> + * KCSAN reporting.
> + *
> + * Copyright (C) 2019, Google LLC.
> + */
>  
>  #include <linux/debug_locks.h>
>  #include <linux/delay.h>
> diff --git a/kernel/kcsan/selftest.c b/kernel/kcsan/selftest.c
> index 9014a3a82cf9..7f29cb0f5e63 100644
> --- a/kernel/kcsan/selftest.c
> +++ b/kernel/kcsan/selftest.c
> @@ -1,4 +1,9 @@
>  // SPDX-License-Identifier: GPL-2.0
> +/*
> + * KCSAN short boot-time selftests.
> + *
> + * Copyright (C) 2019, Google LLC.
> + */
>  
>  #define pr_fmt(fmt) "kcsan: " fmt
>  
> -- 
> 2.30.0.284.gd98b1dd5eaa7-goog
>