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List:       xen-cvs
Subject:    [Xen-changelog] [xen master] xen/arm: cope with modules outside of "visible" RAM
From:       patchbot () xen ! org
Date:       2013-09-27 15:50:38
Message-ID: E1VPaJS-0005Et-Oh () xenbits ! xen ! org
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commit ac5a04eda393de164a03148bfa0ed75b0f68e97d
Author:     Ian Campbell <ian.campbell@citrix.com>
AuthorDate: Thu Sep 26 12:35:38 2013 +0100
Commit:     Ian Campbell <ian.campbell@citrix.com>
CommitDate: Thu Sep 26 16:21:36 2013 +0100

    xen/arm: cope with modules outside of "visible" RAM
    
    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>
    Reviewed-by: Julien Grall <julien.grall@linaro.org>
    Acked-by: Tim Deegan <tim@xen.org>
---
 xen/arch/arm/setup.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index 8215897..02200ff 100644
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -390,6 +390,12 @@ 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 yet
+         */
+        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 )
--
generated by git-patchbot for /home/xen/git/xen.git#master

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