linux-kernel - Re: [RFC][PATCH 6/7] jump_label: Add a new static

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: <20150727104755.GU19282@twins.programming.kicks-ass.net>
Date:	Mon, 27 Jul 2015 12:47:55 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	jasonbaron0@...il.com, bp@...en8.de, luto@...capital.net,
	tglx@...utronix.de, rostedt@...dmis.org, will.deacon@....com,
	liuj97@...il.com, rabin@....in, ralf@...ux-mips.org,
	ddaney@...iumnetworks.com, benh@...nel.crashing.org,
	michael@...erman.id.au, davem@...emloft.net
Subject: Re: [RFC][PATCH 6/7] jump_label: Add a new static_key interface

On Mon, Jul 27, 2015 at 12:20:46PM +0200, Heiko Carstens wrote:
> On Mon, Jul 27, 2015 at 11:52:25AM +0200, Peter Zijlstra wrote:
> > > +static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch)
> > > +{
> > > +	asm_volatile_goto("0:	j %l[l_yes]\n"
> > 
> > Looking at the s390 version of jump_label_make_branch(), this should
> > have been:
> > 
> > 		"brcl 15, %l[l_yes]\n"
> > 
> > I suppose?
> 
> Yes. I wanted to test your version, but I assume you will send
> an updated version soon?

I just send out updated patches for 5/6. They boot without issue on my
x86_64.

Much obliged if you have a peek at that.

Thanks!
--
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/