linux-kernel - Re: [PATCH] Allow preemption during lazy mmu updates

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:	Wed, 08 Apr 2009 19:10:21 +0100
From:	David Howells <dhowells@...hat.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	dhowells@...hat.com, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Thomas Gleixner <tglx@...utronix.de>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>
Subject: Re: [PATCH] Allow preemption during lazy mmu updates

Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> David, do you have a specific reason for defining
> arch_enter/leave_lazy_cpu_mode() in asm-frv/pgtable.h?  It seems to have come
> in with 28936117af849b8c2fca664a41ea7651a0d99591 "FRV: Add some missng lazy
> MMU hooks for NOMMU mode".  The intention was that asm-generic/pgtable.h
> should supply the default definitions; is that incompatible with nommu or
> something?

I don't remember.  It was over two years ago.  My guess is that it was to get
things to compile.  Note that in NOMMU mode, <asm-generic/pgtable.h> is _not_
#included by <asm-frv/pgtable.h>.

David
--
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/