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

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Message-ID: <206e874b-4727-519e-8e9d-bc9080deaa22@suse.cz>
Date:   Wed, 10 May 2017 14:47:00 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
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 05/10/2017, 02:42 PM, Josh Poimboeuf wrote:
> 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.

Ok, fair enough.

I will do some measurements in the FP field while I will be at it.

thanks,
-- 
js
suse labs