linux-kernel - Re: [PATCH v2 2/3] arm64: stacktrace: Make stack walk callback consistent with generic code

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.LSU.2.21.2009021126360.23200@pobox.suse.cz>
Date:   Wed, 2 Sep 2020 11:26:55 +0200 (CEST)
From:   Miroslav Benes <mbenes@...e.cz>
To:     Mark Brown <broonie@...nel.org>
cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Ingo Molnar <mingo@...nel.org>,
        Jiri Slaby <jirislaby@...nel.org>, x86@...nel.org,
        linux-arm-kernel@...ts.infradead.org, linux-s390@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] arm64: stacktrace: Make stack walk callback
 consistent with generic code

On Wed, 19 Aug 2020, Mark Brown wrote:

> As with the generic arch_stack_walk() code the arm64 stack walk code takes
> a callback that is called per stack frame. Currently the arm64 code always
> passes a struct stackframe to the callback and the generic code just passes
> the pc, however none of the users ever reference anything in the struct
> other than the pc value. The arm64 code also uses a return type of int
> while the generic code uses a return type of bool though in both cases the
> return value is a boolean value.
> 
> In order to reduce code duplication when arm64 is converted to use
> arch_stack_walk() change the signature of the arm64 specific callback to
> match that of the generic code.
> 
> Signed-off-by: Mark Brown <broonie@...nel.org>

Reviewed-by: Miroslav Benes <mbenes@...e.cz>

M