linux-kernel - Re: Compile errors on 32-bit build due to d4bbf7e7759afc172e2bfbc5c416324590049cdd

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Message-ID: <20120109163910.GA21732@google.com>
Date:	Mon, 9 Jan 2012 08:39:10 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Compile errors on 32-bit build due to
 d4bbf7e7759afc172e2bfbc5c416324590049cdd

Hello, Konrad.

On Sat, Jan 07, 2012 at 09:40:29PM -0500, Konrad Rzeszutek Wilk wrote:
> Hey Tejun
> 
> Your patch titled " Merge branch 'master' into x86/memblock" breaks compilation
> under 32-bit with CONFIG_XEN=y.
> 
> /home/konrad/linux-linus/arch/x86/xen/mmu.c: In function ‘xen_setup_kernel_pagetable’:
> /home/konrad/linux-linus/arch/x86/xen/mmu.c:1855: error: expected ‘;’ before ‘)’ token
> /home/konrad/linux-linus/arch/x86/xen/mmu.c:1855: error: expected statement before ‘)’ token
> 
> Looking at merge it looks like you added an extra ')'?
> 
> This patch below fixes it, which I was thinking to attach it to my tree that I will
> send on Monday to Linus.
> 
> From 18ae9edebde83ef358e997e319868d664fb2ddb8 Mon Sep 17 00:00:00 2001
> From: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> Date: Sat, 7 Jan 2012 21:27:38 -0500
> Subject: [PATCH] xen/mmu: Fix compile errors introduced by x86/memblock mismerge.
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
> 
> The git commit d4bbf7e7759afc172e2bfbc5c416324590049cdd
> "Merge branch 'master' into x86/memblock" mismerged the 32-bit
> section causing:
> 
> arch/x86/xen/mmu.c: In function ‘xen_setup_kernel_pagetable’:
> arch/x86/xen/mmu.c:1855: error: expected ‘;’ before ‘)’ token
> arch/x86/xen/mmu.c:1855: error: expected statement before ‘)’ token
> 
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> ---
>  arch/x86/xen/mmu.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
> index f4bf8aa..58a0e46 100644
> --- a/arch/x86/xen/mmu.c
> +++ b/arch/x86/xen/mmu.c
> @@ -1852,7 +1852,7 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd,
>  	xen_write_cr3(__pa(initial_page_table));
>  
>  	memblock_reserve(__pa(xen_start_info->pt_base),
> -			 xen_start_info->nr_pt_frames * PAGE_SIZE));
> +			 xen_start_info->nr_pt_frames * PAGE_SIZE);

Oops, how did that get through?  Sorry about that.

 Acked-by: Tejun Heo <tj@...nel.org>

Thank you.

-- 
tejun
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