linux-kernel - Re: [PATCH v3 1/2] livepatch: send a fake signal to all blocking tasks

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]

Date:   Fri, 3 Nov 2017 07:57:08 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Miroslav Benes <mbenes@...e.cz>
Cc:     jeyu@...nel.org, jikos@...nel.org, pmladek@...e.com,
        lpechacek@...e.cz, pavel@....cz, live-patching@...r.kernel.org,
        linux-kernel@...r.kernel.org, Oleg Nesterov <oleg@...hat.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andy Lutomirski <luto@...nel.org>,
        linuxppc-dev@...ts.ozlabs.org, x86@...nel.org
Subject: Re: [PATCH v3 1/2] livepatch: send a fake signal to all blocking
 tasks

On Fri, Nov 03, 2017 at 09:02:50AM +0100, Miroslav Benes wrote:
> On Thu, 2 Nov 2017, Josh Poimboeuf wrote:
> 
> > On Tue, Oct 31, 2017 at 12:48:52PM +0100, Miroslav Benes wrote:
> > > +
> > > +/*
> > > + * Sends a fake signal to all non-kthread tasks with TIF_PATCH_PENDING set.
> > > + * Kthreads with TIF_PATCH_PENDING set are woken up. Only admin can request this
> > > + * action currently.
> > > + */
> > > +void klp_force_signals(void)
> > 
> > Since "force" now has a separate meaning, it's a little confusing to
> > have it in the name of this function.  How about klp_send_signals() or
> > klp_signal()?
> 
> or klp_send_signal()?

It can send more than one signal, so I'd prefer the plural form:
klp_send_signals().

-- 
Josh