linux-kernel - RE: Serious problem with ticket spinlocks on ia64

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:	Fri, 27 Aug 2010 16:55:46 -0700
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Petr Tesarik <ptesarik@...e.cz>
CC:	"linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Hedi Berriche <hedi@....com>
Subject: RE: Serious problem with ticket spinlocks on ia64

> this fails so catastrophically

Interesting ... getting rid of some of the fancy asm bits
(replacing both the ld4.c.nc and the ld2.bias with simple
"serve = *p" and "tmp = *p") makes this run a lot better.

-Tony

--
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/