linux-kernel - Re: [PATCH 7/7] DWARF: add the config option

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Message-ID: <20170510124219.6tupjjzvi3ocy36f@treble>
Date:   Wed, 10 May 2017 07:42:19 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Jiri Slaby <jslaby@...e.cz>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        live-patching@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        the arch/x86 maintainers <x86@...nel.org>
Subject: Re: [PATCH 7/7] DWARF: add the config option

On Wed, May 10, 2017 at 09:39:39AM +0200, Jiri Slaby wrote:
> OTOH, TBH, I am not sure KASAN can be enabled for dwarf.c, the same as
> holds now for the rest of the current unwinding:
> KASAN_SANITIZE_dumpstack.o                              := n
> KASAN_SANITIZE_dumpstack_$(BITS).o                      := n
> KASAN_SANITIZE_stacktrace.o := n

Most of the unwinder code is now in unwind_frame.c, which *does* have
KASAN enabled.

I think the above is leftover from the days before I rewrote the
unwinder.  I'll look at renabling KASAN for those files.

-- 
Josh