[xen stable-4.10] x86/XPTI: fix S3 resume (and CPU offlining in general)

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[xen stable-4.10] x86/XPTI: fix S3 resume (and CPU offlining in general)

patchbot
commit daaf3dd4303038d3bedb9dce38d2ae1238939b2c
Author:     Jan Beulich <[hidden email]>
AuthorDate: Tue May 29 09:25:57 2018 +0200
Commit:     Jan Beulich <[hidden email]>
CommitDate: Tue May 29 09:25:57 2018 +0200

    x86/XPTI: fix S3 resume (and CPU offlining in general)
   
    We should index an L1 table with an L1 index.
   
    Reported-by: Simon Gaiser <[hidden email]>
    Signed-off-by: Jan Beulich <[hidden email]>
    Reviewed-by: Andrew Cooper <[hidden email]>
    master commit: 6b9562dac1746014ab376bd2cf8ba400acf34c6d
    master date: 2018-05-28 11:20:26 +0200
---
 xen/arch/x86/smpboot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/smpboot.c b/xen/arch/x86/smpboot.c
index ee8b18331d..061ec450a9 100644
--- a/xen/arch/x86/smpboot.c
+++ b/xen/arch/x86/smpboot.c
@@ -878,7 +878,7 @@ static void cleanup_cpu_root_pgt(unsigned int cpu)
         l2_pgentry_t *l2t = l3e_to_l2e(l3t[l3_table_offset(stub_linear)]);
         l1_pgentry_t *l1t = l2e_to_l1e(l2t[l2_table_offset(stub_linear)]);
 
-        l1t[l2_table_offset(stub_linear)] = l1e_empty();
+        l1t[l1_table_offset(stub_linear)] = l1e_empty();
     }
 }
 
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.10

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