[Xen-changelog] [xen master] xen/arm64: config: Correctly define VMAP_VIRT_END

[patchbot@xxxxxxx]

commit 63b624140a5b1123acb18ad97e7bb12190667bac
Author:     Peng Fan <van.freenix@xxxxxxxxx>
AuthorDate: Wed Jun 1 15:51:06 2016 +0800
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Fri Jun 17 10:22:16 2016 +0100

    xen/arm64: config: Correctly define VMAP_VIRT_END
    
    The vmap initialization code (vm_init_type) will round down
    the end of the region to a page-aligned address.
    
    On ARM64, the default vmap region is located between 1G and 2G.
    Based on the initialization code, the end address is excluded
    of the region.
    
    Therefore the current definition of VMAP_VIRT_END will lead the
    vmap code to not use the last 4K of the region.
    
    Fix it by defining VMAP_VIRT_END as "VMAP_VIRT_START + GB(1)".
    
    Signed-off-by: Peng Fan <van.freenix@xxxxxxxxx>
    Reviewed-by: Julien Grall <julien.grall@xxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/include/asm-arm/config.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/asm-arm/config.h b/xen/include/asm-arm/config.h
index 2d11b62..f92c0a0 100644
--- a/xen/include/asm-arm/config.h
+++ b/xen/include/asm-arm/config.h
@@ -147,7 +147,7 @@
 #define SLOT0_ENTRY_SIZE  SLOT0(1)
 
 #define VMAP_VIRT_START  GB(1)
-#define VMAP_VIRT_END    (VMAP_VIRT_START + GB(1) - 1)
+#define VMAP_VIRT_END    (VMAP_VIRT_START + GB(1))
 
 #define FRAMETABLE_VIRT_START  GB(32)
 #define FRAMETABLE_SIZE        GB(32)
--
generated by git-patchbot for /home/xen/git/xen.git#master

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