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Date: Fri, 15 Jan 2021 13:58:17 -0800
From: "Paul E. McKenney" <paulmck@...nel.org>
To: Marco Elver <elver@...gle.com>
Cc: dvyukov@...gle.com, glider@...gle.com, andreyknvl@...gle.com,
kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kcsan: Add missing license and copyright headers
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@...gle.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
>
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