linux-kernel - Re: [PATCH] perf/core: allow ftrace for functions in kernel/event/core.c

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 for Android: free password hash cracker in your pocket

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

Message-ID: <YWWCrYM1I1MtmCkY@hirez.programming.kicks-ass.net>
Date:   Tue, 12 Oct 2021 14:42:21 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Song Liu <songliubraving@...com>
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com, acme@...nel.org,
        mingo@...hat.com, Steven Rostedt <rostedt@...dmis.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        KP Singh <kpsingh@...nel.org>
Subject: Re: [PATCH] perf/core: allow ftrace for functions in
 kernel/event/core.c

On Wed, Oct 06, 2021 at 02:07:32PM -0700, Song Liu wrote:
> It is useful to trace functions in kernel/event/core.c. Allow ftrace for
> them by removing $(CC_FLAGS_FTRACE) from Makefile.
> 
> ---
> We had some discussions about this last year [1]. Seems that enabling
> ftrace in kernel/events won't really cause fatal recursion in the tests.
> Shall we give it another try?

I suppose we can give it a go..