On Sun, May 27, 2012 at 09:20:10AM +0900, [email protected] wrote:
> 
> This is a note to let you know that I've just added the patch titled
> 
>     ARM: 7365/1: drop unused parameter from flush_cache_user_range
> 
> to the 3.4-stable tree which can be found at:
>     
> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> 
> The filename of the patch is:
>      arm-7365-1-drop-unused-parameter-from-flush_cache_user_range.patch
> and it can be found in the queue-3.4 subdirectory.
> 
> If you, or anyone else, feels it should not be added to the stable tree,
> please let <[email protected]> know about it.
I'm pretty sure the patch won't hurt, but I doubt if it's worth to
include it in stable because it's only a cosmetic change. The best
argument I see is, that it might make backporting of other patches
easier. I didn't check, but I'd be surprised if there were a new
caller?!

Best regards
Uwe

> From 4542b6a0fa6b48d9ae6b41c1efeb618b7a221b2a Mon Sep 17 00:00:00 2001
> From: Dima Zavin <[email protected]>
> Date: Thu, 29 Mar 2012 20:44:06 +0100
> Subject: ARM: 7365/1: drop unused parameter from flush_cache_user_range
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
> 
> From: Dima Zavin <[email protected]>
> 
> commit 4542b6a0fa6b48d9ae6b41c1efeb618b7a221b2a upstream.
> 
> vma isn't used and flush_cache_user_range isn't a standard macro that
> is used on several archs with the same prototype. In fact only unicore32
> has a macro with the same name (with an identical implementation and no
> in-tree users).
> 
> This is a part of a patch proposed by Dima Zavin (with Message-id:
> [email protected]) that didn't get
> accepted.
> 
> Cc: Dima Zavin <[email protected]>
> Acked-by: Catalin Marinas <[email protected]>
> Signed-off-by: Uwe Kleine-K??nig <[email protected]>
> Signed-off-by: Russell King <[email protected]>
> Cc: Will Deacon <[email protected]>
> Signed-off-by: Greg Kroah-Hartman <[email protected]>
> 
> 
> ---
>  arch/arm/include/asm/cacheflush.h |    2 +-
>  arch/arm/kernel/traps.c           |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> --- a/arch/arm/include/asm/cacheflush.h
> +++ b/arch/arm/include/asm/cacheflush.h
> @@ -249,7 +249,7 @@ extern void flush_cache_page(struct vm_a
>   * Harvard caches are synchronised for the user space address range.
>   * This is used for the ARM private sys_cacheflush system call.
>   */
> -#define flush_cache_user_range(vma,start,end) \
> +#define flush_cache_user_range(start,end) \
>       __cpuc_coherent_user_range((start) & PAGE_MASK, PAGE_ALIGN(end))
>  
>  /*
> --- a/arch/arm/kernel/traps.c
> +++ b/arch/arm/kernel/traps.c
> @@ -496,7 +496,7 @@ do_cache_op(unsigned long start, unsigne
>               if (end > vma->vm_end)
>                       end = vma->vm_end;
>  
> -             flush_cache_user_range(vma, start, end);
> +             flush_cache_user_range(start, end);
>       }
>       up_read(&mm->mmap_sem);
>  }
> 
> 
> Patches currently in stable-queue which might be from [email protected] are
> 
> queue-3.4/arm-7409-1-do-not-call-flush_cache_user_range-with-mmap_sem-held.patch
> queue-3.4/arm-7365-1-drop-unused-parameter-from-flush_cache_user_range.patch
> 

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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