linux-kernel - Re: [PATCH v2 5/5] powerpc: kprobes: emulate instructions on kprobe handler re-entry

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]

Date:   Thu, 13 Apr 2017 11:23:30 +0530
From:   "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>,
        Ingo Molnar <mingo@...nel.org>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 5/5] powerpc: kprobes: emulate instructions on kprobe
 handler re-entry

On 2017/04/13 01:37PM, Masami Hiramatsu wrote:
> On Wed, 12 Apr 2017 16:28:28 +0530
> "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com> wrote:
> 
> > On kprobe handler re-entry, try to emulate the instruction rather than
> > single stepping always.
> > 
> 
> > As a related change, remove the duplicate saving of msr as that is
> > already done in set_current_kprobe()
> 
> If so, this part might be separated as a cleanup patch...

Sure, thanks for the review!

- Naveen