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Message-Id: <20170203132558.474916683@infradead.org>
Date: Fri, 03 Feb 2017 14:25:58 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: elena.reshetova@...el.com,
gregkh@...uxfoundation.org,
keescook@...omium.org,
arnd@...db.de,
tglx@...utronix.de,
mingo@...nel.org,
h.peter.anvin@...el.com,
will.deacon@....com,
dwindsor@...il.com,
dhowells@...hat.com,
peterz@...radead.org
Cc: linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com
Subject: [PATCH 0/5] refcount_t and various related bits
Hi all,
Here is the refcount_t patch and some related bits that I hacked up the past
few days while playing with it in order to make it generate less aweful code
(on x86_64).
I think we can start by merging the refcount_t and kref patches, the rest can
come later if so desired. New here is the Kconfig knob to turn warnings
off -- it significantly reduces the generated code while still avoiding
the UAF.
I added David Howells because both he and hpa have suggested something like
try_cmpxchg() in the past.
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