[Xen-changelog] [xen stable-4.3] kexec/x86: do not map crash kernel area

[patchbot@xxxxxxx]

commit 8d611a00d3389d9c16506326e24145b94ac6fb86
Author:     Daniel Kiper <daniel.kiper@xxxxxxxxxx>
AuthorDate: Fri Jan 10 11:04:46 2014 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Jan 10 11:04:46 2014 +0100

    kexec/x86: do not map crash kernel area
    
    This mapping was apparently never used.
    
    Suggested-by: Jan Beulich <jbeulich@xxxxxxxx>
    Signed-off-by: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
    Acked-by: David Vrabel <david.vrabel@xxxxxxxxxx>
    master commit: 7113a45451a9f656deeff070e47672043ed83664
    master date: 2013-12-11 10:37:25 +0100
---
 xen/arch/x86/setup.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 47aeed3..9e0bddc 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -1096,9 +1096,7 @@ void __init __start_xen(unsigned long mbi_p)
                          mod[i].mod_start,
                          PFN_UP(mod[i].mod_end), PAGE_HYPERVISOR);
     }
-    map_pages_to_xen((unsigned long)__va(kexec_crash_area.start),
-                     kexec_crash_area.start >> PAGE_SHIFT,
-                     PFN_UP(kexec_crash_area.size), PAGE_HYPERVISOR);
+
     xen_virt_end = ((unsigned long)_end + (1UL << L2_PAGETABLE_SHIFT) - 1) &
                    ~((1UL << L2_PAGETABLE_SHIFT) - 1);
     destroy_xen_mappings(xen_virt_end, XEN_VIRT_START + BOOTSTRAP_MAP_BASE);
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.3

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