linux-kernel - [PATCH] deprecated.rst: Remove now removed uninitialized

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-next>] [day] [month] [year] [list]

Message-ID: <5e10c1645dd8f735215cf54a74db0f8dd3f6cbd5.camel@perches.com>
Date:   Wed, 26 Aug 2020 20:12:01 -0700
From:   Joe Perches <joe@...ches.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Jonathan Corbet <corbet@....net>,
        Kees Cook <keescook@...omium.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-doc <linux-doc@...r.kernel.org>
Subject: [PATCH] deprecated.rst: Remove now removed uninitialized_var

It's now gone from the kernel so remove it from the deprecated API text.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 Documentation/process/deprecated.rst | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/Documentation/process/deprecated.rst b/Documentation/process/deprecated.rst
index 918e32d76fc4..70720f00b9aa 100644
--- a/Documentation/process/deprecated.rst
+++ b/Documentation/process/deprecated.rst
@@ -51,24 +51,6 @@ to make sure their systems do not continue running in the face of
 "unreachable" conditions. (For example, see commits like `this one
 <https://git.kernel.org/linus/d4689846881d160a4d12a514e991a740bcb5d65a>`_.)
 
-uninitialized_var()
--------------------
-For any compiler warnings about uninitialized variables, just add
-an initializer. Using the uninitialized_var() macro (or similar
-warning-silencing tricks) is dangerous as it papers over `real bugs
-<https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/>`_
-(or can in the future), and suppresses unrelated compiler warnings
-(e.g. "unused variable"). If the compiler thinks it is uninitialized,
-either simply initialize the variable or make compiler changes. Keep in
-mind that in most cases, if an initialization is obviously redundant,
-the compiler's dead-store elimination pass will make sure there are no
-needless variable writes.
-
-As Linus has said, this macro
-`must <https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/>`_
-`be <https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/>`_
-`removed <https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/>`_.
-
 open-coded arithmetic in allocator arguments
 --------------------------------------------
 Dynamic size calculations (especially multiplication) should not be