linux-kernel - Re: [PATCH 00/10] implement DYNAMIC_DEBUG_RELATIVE

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Message-ID: <20190506074824.GA40476@gmail.com>
Date:   Mon, 6 May 2019 09:48:24 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Rasmus Villemoes <linux@...musvillemoes.dk>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Jason Baron <jbaron@...mai.com>, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, x86@...nel.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Will Deacon <will.deacon@....com>,
        Ingo Molnar <mingo@...hat.com>, Arnd Bergmann <arnd@...db.de>,
        Nathan Chancellor <natechancellor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andy Lutomirski <luto@...nel.org>
Subject: Re: [PATCH 00/10] implement DYNAMIC_DEBUG_RELATIVE_POINTERS


* Rasmus Villemoes <linux@...musvillemoes.dk> wrote:

> I _am_ bending the C rules a bit with the "extern some_var; asm 
> volatile(".section some_section\nsome_var: blabla");". I should 
> probably ask on the gcc list whether this way of defining a local 
> symbol in inline assembly and referring to it from C is supposed to 
> work, or it just happens to work by chance.

Doing that would be rather useful I think.

Thanks,

	Ingo