linux-kernel - [tip: x86/entry] kcsan: Remove __no_kcsan_or

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Message-ID: <159226030540.16989.18200401419200684098.tip-bot2@tip-bot2>
Date:   Mon, 15 Jun 2020 22:31:45 -0000
From:   "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: x86/entry] kcsan: Remove __no_kcsan_or_inline

The following commit has been merged into the x86/entry branch of tip:

Commit-ID:     e79302ae8c8cceb51cf642d5ace9da02668cb7b4
Gitweb:        https://git.kernel.org/tip/e79302ae8c8cceb51cf642d5ace9da02668cb7b4
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Tue, 02 Jun 2020 17:04:03 +02:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Mon, 15 Jun 2020 14:10:08 +02:00

kcsan: Remove __no_kcsan_or_inline

There are no more user of this function attribute, also, with us now
actively supporting '__no_kcsan inline' it doesn't make sense to have
in any case.

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 Documentation/dev-tools/kcsan.rst | 6 ------
 include/linux/compiler_types.h    | 5 +----
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/Documentation/dev-tools/kcsan.rst b/Documentation/dev-tools/kcsan.rst
index ce4bbd9..b38379f 100644
--- a/Documentation/dev-tools/kcsan.rst
+++ b/Documentation/dev-tools/kcsan.rst
@@ -114,12 +114,6 @@ the below options are available:
   To dynamically limit for which functions to generate reports, see the
   `DebugFS interface`_ blacklist/whitelist feature.
 
-  For ``__always_inline`` functions, replace ``__always_inline`` with
-  ``__no_kcsan_or_inline`` (which implies ``__always_inline``)::
-
-    static __no_kcsan_or_inline void foo(void) {
-        ...
-
 * To disable data race detection for a particular compilation unit, add to the
   ``Makefile``::
 
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 21aed09..9382498 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -193,10 +193,7 @@ struct ftrace_likely_data {
 
 #define __no_kcsan __no_sanitize_thread
 #ifdef __SANITIZE_THREAD__
-# define __no_kcsan_or_inline __no_kcsan notrace __maybe_unused
-# define __no_sanitize_or_inline __no_kcsan_or_inline
-#else
-# define __no_kcsan_or_inline __always_inline
+# define __no_sanitize_or_inline __no_kcsan notrace __maybe_unused
 #endif
 
 #ifndef __no_sanitize_or_inline