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: <YxEHM8ZL1XAFsj4H@hirez.programming.kicks-ass.net>
Date:   Thu, 1 Sep 2022 21:25:39 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Sathvika Vasireddy <sv@...ux.ibm.com>
Cc:     linuxppc-dev@...ts.ozlabs.org, jpoimboe@...hat.com,
        linux-kernel@...r.kernel.org, aik@...abs.ru, mpe@...erman.id.au,
        mingo@...hat.com, christophe.leroy@...roup.eu, rostedt@...dmis.org,
        mbenes@...e.cz, npiggin@...il.com, chenzhongjin@...wei.com,
        naveen.n.rao@...ux.vnet.ibm.com
Subject: Re: [PATCH v2 11/16] objtool: Add --mnop as an option to --mcount

On Mon, Aug 29, 2022 at 11:22:18AM +0530, Sathvika Vasireddy wrote:
> Architectures can select HAVE_NOP_MCOUNT if they choose
> to nop out mcount call sites. If that config option is
> selected, then --mnop is passed as an option to objtool,
> along with --mcount.
> 
> Also, make sure that --mnop can be passed as an option
> to objtool only when --mcount is passed.
> 
> Signed-off-by: Sathvika Vasireddy <sv@...ux.ibm.com>

IIRC you want to nop the things yourself because PLT entries or
something?

Anyway, patch looks fine, even though the Changelog doesn't relaly
justify the change.

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ