[Xen-changelog] [xen master] x86: check kexec relocation code fits in a page

[patchbot@xxxxxxx]

commit 1fab023d3f58ed2b40c90c0d9cd078c3afcbcfc7
Author:     David Vrabel <david.vrabel@xxxxxxxxxx>
AuthorDate: Tue Nov 12 11:47:26 2013 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Nov 12 11:47:26 2013 +0100

    x86: check kexec relocation code fits in a page
    
    The kexec relocation (control) code must fit in a single page so add a
    link time check for this.
    
    Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Don Slutz <dslutz@xxxxxxxxxxx>
    Tested-by: Don Slutz <dslutz@xxxxxxxxxxx>
    Reviewed-by: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
    Tested-by: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
    Acked-by: Keir Fraser <keir@xxxxxxx>
---
 xen/arch/x86/xen.lds.S |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S
index 9600cdf..17db361 100644
--- a/xen/arch/x86/xen.lds.S
+++ b/xen/arch/x86/xen.lds.S
@@ -198,3 +198,5 @@ SECTIONS
   .stab.indexstr 0 : { *(.stab.indexstr) }
   .comment 0 : { *(.comment) }
 }
+
+ASSERT(kexec_reloc_size - kexec_reloc <= PAGE_SIZE, "kexec_reloc is too large")
--
generated by git-patchbot for /home/xen/git/xen.git#master

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