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[Xen-changelog] [xen staging-4.11] xen/arm: setup: Calculate correctly the size of Xen



commit 8502a2cdcc61542930b25ea3e4261cf4bf3b1a41
Author:     Julien Grall <julien.grall@xxxxxxx>
AuthorDate: Wed Oct 16 12:12:51 2019 +0100
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Tue Oct 29 11:39:20 2019 -0700

    xen/arm: setup: Calculate correctly the size of Xen
    
    The current size of Xen is computed using _end - _start + 1. However,
    _end is pointing one past the end of Xen, so the size of Xen is
    off-by-one.
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
    Release-acked-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    (cherry picked from commit 08e2059facd78d5ffaf206ba06ac2017c4adeed4)
---
 xen/arch/arm/setup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index ff949f545a..4cb87ac9a3 100644
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -726,7 +726,7 @@ void __init start_xen(unsigned long boot_phys_offset,
     /* Register Xen's load address as a boot module. */
     xen_bootmodule = add_boot_module(BOOTMOD_XEN,
                              (paddr_t)(uintptr_t)(_start + boot_phys_offset),
-                             (paddr_t)(uintptr_t)(_end - _start + 1), NULL);
+                             (paddr_t)(uintptr_t)(_end - _start), NULL);
     BUG_ON(!xen_bootmodule);
 
     xen_paddr = get_xen_paddr();
--
generated by git-patchbot for /home/xen/git/xen.git#staging-4.11

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