linux-kernel - Re: [PATCH RFC tip/perf/core] ftrace/x86: Let dynamic trampolines call ops->func even for dynamic fops

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] [day] [month] [year] [list]

Message-ID: <20150403092613.092da54e@grimm.local.home>
Date:	Fri, 3 Apr 2015 09:26:13 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Miroslav Benes <mbenes@...e.cz>
Cc:	mingo@...hat.com, tglx@...utronix.de, hpa@...or.com,
	linux-kernel@...r.kernel.org, x86@...nel.org, jkosina@...e.cz
Subject: Re: [PATCH RFC tip/perf/core] ftrace/x86: Let dynamic trampolines
 call ops->func even for dynamic fops

On Fri, 3 Apr 2015 11:29:04 +0200 (CEST)
Miroslav Benes <mbenes@...e.cz> wrote:

> Yes, this works but there is a slight difference to the previous behaviour 
> which I tried to preserve in my patch. ftrace_ops_get_func in your patch 
> does not check FTRACE_FORCE_LIST_FUNC. I do not know if that is a real 
> problem. Anyway your approach looks much better and dynamic trampolines 
> are now used for live patches. So in this context you can add

Hmm, I'll have to take a deeper look at that. Thanks for noticing. But
that will have to wait till Monday, as I have off today ;-)

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

Thanks for testing.

-- Steve


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/