[Xen-changelog] [xen stable-4.9] Revert "x86/mm: add temporary debugging code to get_page_from_gfn_p2m()"

[patchbot@xxxxxxx]

commit 1d9c4106a685d7d434e99421257451bdeed55a3f
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Jun 14 11:43:12 2017 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jun 14 11:43:12 2017 +0200

    Revert "x86/mm: add temporary debugging code to get_page_from_gfn_p2m()"
    
    This reverts commit 933f966bcdf4f4255b432071fc12c9ee2efb05ef.
    
    Acked-by: George Dunlap <george.dunlap@xxxxxxxxxx>
---
 xen/arch/x86/mm/p2m.c | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/xen/arch/x86/mm/p2m.c b/xen/arch/x86/mm/p2m.c
index 9eb6dc8..bee733d 100644
--- a/xen/arch/x86/mm/p2m.c
+++ b/xen/arch/x86/mm/p2m.c
@@ -480,22 +480,6 @@ struct page_info *get_page_from_gfn_p2m(
     p2m_access_t _a;
     p2m_type_t _t;
     mfn_t mfn;
-#ifndef NDEBUG
-    /*
-     * Temporary debugging code, added in the hope of finding the origin
-     * of calls to get_page(..., dom_cow) as observed during osstest
-     * migration failures (see
-     * lists.xenproject.org/archives/html/xen-devel/2017-04/msg03331.html).
-     */
-    static unsigned long cnt, thr;
-
-    if ( d->is_dying && ++cnt > thr )
-    {
-        thr |= cnt;
-        printk("%pv: d%d dying (looking up %lx)\n", current, d->domain_id, 
gfn);
-        dump_execution_state();
-    }
-#endif
 
     /* Allow t or a to be NULL */
     t = t ?: &_t;
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.9

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