[Xen-changelog] [xen master] x86/XPTI: fix S3 resume (and CPU offlining in general)

[patchbot@xxxxxxx]

commit 6b9562dac1746014ab376bd2cf8ba400acf34c6d
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon May 28 11:20:26 2018 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon May 28 11:20:26 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 <simon@xxxxxxxxxxxxxxxxxxxxxx>
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Release-acked-by: Juergen Gross <jgross@xxxxxxxx>
---
 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 fd9050e0f6..d4478e6132 100644
--- a/xen/arch/x86/smpboot.c
+++ b/xen/arch/x86/smpboot.c
@@ -883,7 +883,7 @@ 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#master

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