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From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 01/40] Subject: ARM: mm: proc-macros Add generic proc/cache/tlb struct definition macros
Date: Thu, 7 Jul 2011 09:22:51 +0100	[thread overview]
Message-ID: <20110707082251.GH8286@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1308851448-25139-2-git-send-email-dave.martin@linaro.org>

On Thu, Jun 23, 2011 at 06:50:09PM +0100, Dave Martin wrote:
> +.macro define_cache_functions name:req, default:req, \
> +		flush_kern_dcache_area, dma_map_area, dma_flush_range
> +	.align 2
> + 	.type	\name\()_cache_fns, #object
> +ENTRY(\name\()_cache_fns)
> +	.long	\default\()_flush_icache_all
> +	.long	\default\()_flush_kern_cache_all
> +	.long	\default\()_flush_user_cache_all
> +	.long	\default\()_flush_user_cache_range
> +	.long	\default\()_coherent_kern_range
> +	.long	\default\()_coherent_user_range
> +	.ifb \flush_kern_dcache_area
> +		.long	\default\()_flush_kern_dcache_area
> +	.else
> +		.long	\flush_kern_dcache_area
> +	.endif
> +	.ifb \dma_map_area
> +		.long	\default\()_dma_map_area
> +	.else
> +		.long	\dma_map_area
> +	.endif
> +	.long	\default\()_dma_unmap_area
> +	.ifb \dma_flush_range
> +		.long	\default\()_dma_flush_range
> +	.else
> +		.long	\dma_flush_range
> +	.endif
> +	.size	\name\()_cache_fns, . - \name\()_cache_fns
> +.endm

This looks wrong.  The flush_kern_dcache_area and DMA stuff can't be
any different:

#define __cpuc_flush_icache_all         __glue(_CACHE,_flush_icache_all)
#define __cpuc_flush_kern_all           __glue(_CACHE,_flush_kern_cache_all)
#define __cpuc_flush_user_all           __glue(_CACHE,_flush_user_cache_all)
#define __cpuc_flush_user_range         __glue(_CACHE,_flush_user_cache_range)
#define __cpuc_coherent_kern_range      __glue(_CACHE,_coherent_kern_range)
#define __cpuc_coherent_user_range      __glue(_CACHE,_coherent_user_range)
#define __cpuc_flush_dcache_area        __glue(_CACHE,_flush_kern_dcache_area)

#define dmac_map_area                   __glue(_CACHE,_dma_map_area)
#define dmac_unmap_area                 __glue(_CACHE,_dma_unmap_area)
#define dmac_flush_range                __glue(_CACHE,_dma_flush_range)

If they don't conform to the "<cachename>_<functionname>" pattern then
single-cache model kernels will not compile.

As these macros are supposed to be about correctness, they should be
enforcing that too, and not allowing certain functions to be overriden
by different names.

  reply	other threads:[~2011-07-07  8:22 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-23 17:50 [PATCH v3 00/40] ARM: mm: Add generic macros for declaring various CPU structs Dave Martin
2011-06-23 17:50 ` [PATCH v3 01/40] Subject: ARM: mm: proc-macros Add generic proc/cache/tlb struct definition macros Dave Martin
2011-07-07  8:22   ` Russell King - ARM Linux [this message]
2011-07-07  9:32     ` Will Deacon
2011-07-07 10:07     ` Dave Martin
2011-07-07 10:16       ` Russell King - ARM Linux
2011-07-07 10:25         ` Dave Martin
2011-06-23 17:50 ` [PATCH v3 02/40] Subject: ARM: assembler.h: Add string declaration macro Dave Martin
2011-06-23 17:50 ` [PATCH v3 03/40] Subject: ARM: mm: cache-fa: Use the new processor struct macros Dave Martin
2011-06-23 17:50 ` [PATCH v3 04/40] Subject: ARM: mm: cache-v3: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 05/40] Subject: ARM: mm: cache-v4: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 06/40] Subject: ARM: mm: cache-v4wb: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 07/40] Subject: ARM: mm: cache-v4wt: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 08/40] Subject: ARM: mm: cache-v6: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 09/40] Subject: ARM: mm: cache-v7: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 10/40] Subject: ARM: mm: proc-arm1020: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 11/40] Subject: ARM: mm: proc-arm1020e: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 12/40] Subject: ARM: mm: proc-arm1022: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 13/40] Subject: ARM: mm: proc-arm1026: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 14/40] Subject: ARM: mm: proc-arm6_7: " Dave Martin
2011-07-07  9:10   ` Russell King - ARM Linux
2011-07-07 10:11     ` Dave Martin
2011-06-23 17:50 ` [PATCH v3 15/40] Subject: ARM: mm: proc-arm720: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 16/40] Subject: ARM: mm: proc-arm740: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 17/40] Subject: ARM: mm: proc-arm7tdmi: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 18/40] Subject: ARM: mm: proc-arm920: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 19/40] Subject: ARM: mm: proc-arm922: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 20/40] Subject: ARM: mm: proc-arm925: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 21/40] Subject: ARM: mm: proc-arm926: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 22/40] Subject: ARM: mm: proc-arm940: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 23/40] Subject: ARM: mm: proc-arm946: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 24/40] Subject: ARM: mm: proc-arm9tdmi: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 25/40] Subject: ARM: mm: proc-fa526: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 26/40] Subject: ARM: mm: proc-feroceon: " Dave Martin
2011-07-07  9:14   ` Russell King - ARM Linux
2011-07-07 10:14     ` Dave Martin
2011-06-23 17:50 ` [PATCH v3 27/40] Subject: ARM: mm: proc-mohawk: " Dave Martin
2011-07-07  9:11   ` Russell King - ARM Linux
2011-07-07 10:21     ` Dave Martin
2011-06-23 17:50 ` [PATCH v3 28/40] Subject: ARM: mm: proc-sa110: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 29/40] Subject: ARM: mm: proc-sa1100: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 30/40] Subject: ARM: mm: proc-v6: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 31/40] Subject: ARM: mm: proc-v7: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 32/40] Subject: ARM: mm: proc-xsc3: Use new generic struct definition macros Dave Martin
2011-06-23 17:50 ` [PATCH v3 33/40] Subject: ARM: mm: proc-xscale: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 34/40] Subject: ARM: mm: tlb-fa: Use the new processor struct macros Dave Martin
2011-06-23 17:50 ` [PATCH v3 35/40] Subject: ARM: mm: tlb-v3: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 36/40] Subject: ARM: mm: tlb-v4: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 37/40] Subject: ARM: mm: tlb-v4wb: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 38/40] Subject: ARM: mm: tlb-v4wbi: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 39/40] Subject: ARM: mm: tlb-v6: " Dave Martin
2011-06-23 17:50 ` [PATCH v3 40/40] Subject: ARM: mm: tlb-v7: " Dave Martin
2011-06-23 23:44 ` [PATCH v3 00/40] ARM: mm: Add generic macros for declaring various CPU structs Nicolas Pitre
2011-06-24 10:10   ` Dave Martin
2011-06-24 13:32     ` Nicolas Pitre
2011-06-24 13:54       ` Dave Martin
2011-06-28 10:53 ` Dave Martin
2011-07-01 10:10 ` Will Deacon

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