[Xen-changelog] [xen master] tools: arm: increase size of region set aside for guest grant table

[patchbot@xxxxxxx]

commit 0af0306c2700dee81280a0eb1034a2c706d11968
Author:     Ian Campbell <ian.campbell@xxxxxxxxxx>
AuthorDate: Thu May 22 10:46:44 2014 +0100
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Mon Jun 2 14:58:42 2014 +0100

    tools: arm: increase size of region set aside for guest grant table
    
    The current size is sufficient for the default maximum grant table size
    (32-frames), but increase the reserved region to 16M/4096 pages to allow for
    the use of the gnttab_max_nr_frames command line option.
    
    Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
    Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 xen/include/public/arch-arm.h |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/xen/include/public/arch-arm.h b/xen/include/public/arch-arm.h
index fd30782..ac54cd6 100644
--- a/xen/include/public/arch-arm.h
+++ b/xen/include/public/arch-arm.h
@@ -369,8 +369,11 @@ typedef uint64_t xen_callback_t;
 #define GUEST_GICC_BASE   0x03002000ULL
 #define GUEST_GICC_SIZE   0x00000100ULL
 
+/* 16MB == 4096 pages reserved for guest to use as a region to map its
+ * grant table in.
+ */
 #define GUEST_GNTTAB_BASE 0x38000000ULL
-#define GUEST_GNTTAB_SIZE 0x00020000ULL
+#define GUEST_GNTTAB_SIZE 0x01000000ULL
 
 #define GUEST_MAGIC_BASE  0x39000000ULL
 #define GUEST_MAGIC_SIZE  0x01000000ULL
--
generated by git-patchbot for /home/xen/git/xen.git#master

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