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From: Julien Grall <julien.grall@linaro.org>
To: Ian Campbell <ian.campbell@citrix.com>
Cc: stefano.stabellini@eu.citrix.com, tim@xen.org,
	andre.przywara@linaro.org, xen-devel@lists.xen.org
Subject: Re: [PATCH v2 5/9] xen/arm: cope with modules outside of "visible" RAM
Date: Fri, 13 Sep 2013 14:08:47 +0100	[thread overview]
Message-ID: <52330E5F.2050905@linaro.org> (raw)
In-Reply-To: <1379072437-28099-5-git-send-email-ian.campbell@citrix.com>

On 09/13/2013 12:40 PM, Ian Campbell wrote:
> This can happen if modules are in a bank which we can't cope with e.g. due to
> being non-contiguous.
> 
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
> ---
>  xen/arch/arm/setup.c |    6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
> index 8d8028c..0d9eaf7 100644
> --- a/xen/arch/arm/setup.c
> +++ b/xen/arch/arm/setup.c
> @@ -387,6 +387,12 @@ static void __init setup_mm(unsigned long dtb_paddr, size_t dtb_size)
>              e = n = ram_end;
>          }
>  
> +        /* Module in RAM which we cannot see here, due to not handling
> +         * non-contiguous memory regions yes
s/yes/yet.

Except this minor typo:

Reviewed-by: Julien Grall <julien.grall@linaro.org>

> +         */
> +        if ( e > ram_end )
> +            e = ram_end;
> +
>          /* Avoid the xenheap */
>          if ( s < ((xenheap_mfn_start+xenheap_pages) << PAGE_SHIFT)
>               && (xenheap_mfn_start << PAGE_SHIFT) < e )
> 


-- 
Julien Grall

  reply	other threads:[~2013-09-13 13:08 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-13 11:40 [PATCH v2 0/9] xen: arm: memory mangement fixes / improvements Ian Campbell
2013-09-13 11:40 ` [PATCH v2 1/9] xen/arm: ensure the xenheap is 32MB aligned Ian Campbell
2013-09-13 11:40 ` [PATCH v2 2/9] xen/arm: DOMHEAP_SECOND_PAGES is arm32 specific Ian Campbell
2013-09-13 12:55   ` Julien Grall
2013-09-13 11:40 ` [PATCH v2 3/9] xen/arm: Reserve FDT via early module mechanism Ian Campbell
2013-09-13 13:04   ` Julien Grall
2013-09-13 13:08     ` Ian Campbell
2013-09-13 11:40 ` [PATCH v2 4/9] xen/arm: do not relocate Xen outside of visible RAM Ian Campbell
2013-09-13 13:06   ` Julien Grall
2013-09-13 11:40 ` [PATCH v2 5/9] xen/arm: cope with modules outside of "visible" RAM Ian Campbell
2013-09-13 13:08   ` Julien Grall [this message]
2013-09-13 11:40 ` [PATCH v2 6/9] xen/arm: Support dtb /memreserve/ regions Ian Campbell
2013-09-13 11:40 ` [PATCH v2 7/9] xen/arm: rename boot misc region to boot reloc now it has a single purpose Ian Campbell
2013-09-13 13:17   ` Julien Grall
2013-09-13 11:40 ` [PATCH v2 8/9] xen/arm: print the location of the Xen heap on 32 bit Ian Campbell
2013-09-13 13:20   ` Julien Grall
2013-09-13 11:40 ` [PATCH v2 9/9] xen: support RAM at addresses 0 and 4096 Ian Campbell
2013-09-13 11:48   ` Keir Fraser
2013-09-13 11:57   ` Jan Beulich
2013-09-13 12:23     ` Ian Campbell

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