linux-kernel - Re: [PATCH 02/15] x86: Move ENCODE_FRAME

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Date:   Fri, 7 Jun 2019 10:24:18 -0400
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Andy Lutomirski <luto@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Jason Baron <jbaron@...mai.com>, Jiri Kosina <jkosina@...e.cz>,
        David Laight <David.Laight@...LAB.COM>,
        Borislav Petkov <bp@...en8.de>,
        Julia Cartwright <julia@...com>, Jessica Yu <jeyu@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>, Nadav Amit <namit@...are.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Edward Cree <ecree@...arflare.com>,
        Daniel Bristot de Oliveira <bristot@...hat.com>
Subject: Re: [PATCH 02/15] x86: Move ENCODE_FRAME_POINTER to asm/frame.h

On Wed, Jun 05, 2019 at 03:07:55PM +0200, Peter Zijlstra wrote:
> In preparation for wider use, move the ENCODE_FRAME_POINTER macros to
> a common header and provide inline asm versions.
> 
> These macros are used to encode a pt_regs frame for the unwinder; see
> unwind_frame.c:decode_frame_pointer().
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Reviewed-by: Josh Poimboeuf <jpoimboe@...hat.com>

-- 
Josh