linux-kernel - Re: [patch] use __asm__ and __volatile__ in asm-x86

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:	Mon, 18 Jun 2007 20:53:03 +0200
From:	Andi Kleen <ak@...e.de>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Mike Frysinger <vapier@...too.org>,
	"H. Peter Anvin" <hpa@...or.com>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] use __asm__ and __volatile__ in asm-x86_64/msr.h


> asm-i386/msr.h should not be exported to userspace at all, it contains
> nothing but kernel-internal helpers.

Actually rdtsc and rdtscll and potentially rdpmc which is in there can be very 
useful in user space if you know what you're doing. Unfortunately a lot of its users don't,
but not having the include probably won't stop them either.

-Andi
-
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/