From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v8 08/16] ARM: LPAE: Page table maintenance for the 3-level format
Date: Fri, 11 Nov 2011 10:54:51 +0000 [thread overview]
Message-ID: <20111111105450.GB23243@arm.com> (raw)
In-Reply-To: <alpine.LFD.2.02.1111101654400.3307@xanadu.home>
On Thu, Nov 10, 2011 at 09:59:33PM +0000, Nicolas Pitre wrote:
> On Mon, 7 Nov 2011, Catalin Marinas wrote:
>
> > This patch modifies the pgd/pmd/pte manipulation functions to support
> > the 3-level page table format. Since there is no need for an 'ext'
> > argument to cpu_set_pte_ext(), this patch conditionally defines a
> > different prototype for this function when CONFIG_ARM_LPAE.
>
> Maybe it doesn't make sense to still call it cpu_set_pte_ext then?
We could do this but it adds several #ifdef's, especially if we also
change macro names like set_pte_ext(). Otherwise we could leave the
latter macro unchanged and only change the name in the processor
structure. But I think it just adds more clutter.
--
Catalin
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Nicolas Pitre <nico@fluxnic.net>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v8 08/16] ARM: LPAE: Page table maintenance for the 3-level format
Date: Fri, 11 Nov 2011 10:54:51 +0000 [thread overview]
Message-ID: <20111111105450.GB23243@arm.com> (raw)
In-Reply-To: <alpine.LFD.2.02.1111101654400.3307@xanadu.home>
On Thu, Nov 10, 2011 at 09:59:33PM +0000, Nicolas Pitre wrote:
> On Mon, 7 Nov 2011, Catalin Marinas wrote:
>
> > This patch modifies the pgd/pmd/pte manipulation functions to support
> > the 3-level page table format. Since there is no need for an 'ext'
> > argument to cpu_set_pte_ext(), this patch conditionally defines a
> > different prototype for this function when CONFIG_ARM_LPAE.
>
> Maybe it doesn't make sense to still call it cpu_set_pte_ext then?
We could do this but it adds several #ifdef's, especially if we also
change macro names like set_pte_ext(). Otherwise we could leave the
latter macro unchanged and only change the name in the processor
structure. But I think it just adds more clutter.
--
Catalin
next prev parent reply other threads:[~2011-11-11 10:54 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-07 16:16 [PATCH v8 00/16] ARM: Add support for the Large Physical Address Extensions Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 01/16] ARM: pgtable: switch to use pgtable-nopud.h Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 02/16] ARM: pgtable: Fix compiler warning in ioremap.c introduced by nopud Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-10 22:42 ` Russell King - ARM Linux
2011-11-10 22:42 ` Russell King - ARM Linux
2011-11-07 16:16 ` [PATCH v8 03/16] ARM: LPAE: Move page table maintenance macros to pgtable-2level.h Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 04/16] ARM: LPAE: Move the FSR definitions to separate files Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-10 22:45 ` Russell King - ARM Linux
2011-11-10 22:45 ` Russell King - ARM Linux
2011-11-10 23:44 ` Tony Lindgren
2011-11-10 23:44 ` Tony Lindgren
2011-11-07 16:16 ` [PATCH v8 05/16] ARM: LPAE: Factor out classic-MMU specific code into proc-v7-2level.S Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 06/16] ARM: LPAE: add ISBs around MMU enabling code Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 07/16] ARM: LPAE: Introduce the 3-level page table format definitions Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-10 21:53 ` Nicolas Pitre
2011-11-10 21:53 ` Nicolas Pitre
2011-11-11 10:49 ` Catalin Marinas
2011-11-11 10:49 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 08/16] ARM: LPAE: Page table maintenance for the 3-level format Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-10 21:59 ` Nicolas Pitre
2011-11-10 21:59 ` Nicolas Pitre
2011-11-11 10:54 ` Catalin Marinas [this message]
2011-11-11 10:54 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 09/16] ARM: LPAE: MMU setup for the 3-level page table format Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-10 22:24 ` Nicolas Pitre
2011-11-10 22:24 ` Nicolas Pitre
2011-11-10 22:38 ` Russell King - ARM Linux
2011-11-10 22:38 ` Russell King - ARM Linux
2011-11-11 11:17 ` Catalin Marinas
2011-11-11 11:17 ` Catalin Marinas
2011-11-11 11:00 ` Catalin Marinas
2011-11-11 11:00 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 10/16] ARM: LPAE: Invalidate the TLB before freeing the PMD Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 11/16] ARM: LPAE: Add fault handling support Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-10 22:46 ` Russell King - ARM Linux
2011-11-10 22:46 ` Russell King - ARM Linux
2011-11-07 16:16 ` [PATCH v8 12/16] ARM: LPAE: Add context switching support Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 13/16] ARM: LPAE: Add identity mapping support for the 3-level page table format Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-10 22:55 ` Russell King - ARM Linux
2011-11-10 22:55 ` Russell King - ARM Linux
2011-11-11 11:36 ` Catalin Marinas
2011-11-11 11:36 ` Catalin Marinas
2011-11-11 11:58 ` Will Deacon
2011-11-11 11:58 ` Will Deacon
2011-11-07 16:16 ` [PATCH v8 14/16] ARM: LPAE: mark memory banks with start > ULONG_MAX as highmem Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-09 20:41 ` Nicolas Pitre
2011-11-09 20:41 ` Nicolas Pitre
2011-11-07 16:16 ` [PATCH v8 15/16] ARM: LPAE: add support for ATAG_MEM64 Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-08 16:54 ` Stephen Boyd
2011-11-08 16:54 ` Stephen Boyd
2011-11-08 16:59 ` Catalin Marinas
2011-11-08 16:59 ` Catalin Marinas
2011-11-08 23:38 ` Nicolas Pitre
2011-11-08 23:38 ` Nicolas Pitre
2011-11-09 0:24 ` Will Deacon
2011-11-09 0:24 ` Will Deacon
2011-11-09 10:44 ` Catalin Marinas
2011-11-09 10:44 ` Catalin Marinas
2011-11-07 16:16 ` [PATCH v8 16/16] ARM: LPAE: Add the Kconfig entries Catalin Marinas
2011-11-07 16:16 ` Catalin Marinas
2011-11-10 22:57 ` Russell King - ARM Linux
2011-11-10 22:57 ` Russell King - ARM Linux
2011-11-11 11:46 ` Catalin Marinas
2011-11-11 11:46 ` Catalin Marinas
2011-11-11 13:24 ` Russell King - ARM Linux
2011-11-11 13:24 ` Russell King - ARM Linux
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