linux-kernel - Re: [PATCH v2 20/28] ARCv2: barriers

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:	Tue, 23 Jun 2015 11:25:06 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:	lkml <linux-kernel@...r.kernel.org>, linux-arch@...r.kernel.org,
	arc-linux-dev@...opsys.com, Will Deacon <will.deacon@....com>
Subject: Re: [PATCH v2 20/28] ARCv2: barriers

On Tue, Jun 23, 2015 at 01:28:03PM +0530, Vineet Gupta wrote:
> +/*
> + * MMIO can also get buffered/optimized in micro-arch, so barriers needed
> + * Based on ARM model for the typical use case
> + *
> + *	<writel_relaxed DMA buffer>
> + *	<writel MMIO "go" reg>
> + *   or:
> + *   	<readl MMIO "status" reg>
> + *   	<readl_relaxed DMA buffer>
> + *
> + * http://www.spinics.net/lists/kernel/msg2018397.html

	http://lkml.kernel.org/r/20150622133656.GG1583@arm.com

Might I suggest you use the above link. Since we control kernel.org we
have redirect that URL to a archive of our choosing. This keeps the
links working even if spinics.net or marc.info were to go belly up.
--
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/