# HG changeset patch
# User Jimi Xenidis <[EMAIL PROTECTED]>
# Node ID 7af3636da4b955e556af19af91b03633b565cce2
# Parent 3583d270140501b208f08335e10105d3f05c52d8
[XEN][POWERPC] Remove pfn2mfn() now that it is understood
It is possible (thank you xm-test) to initiate a grant copy to a page
belonging to a dying domain, the page end up being owned by nobody
which is what the original test asserted.
Signed-off-by: Jimi Xenidis <[EMAIL PROTECTED]>
---
xen/arch/powerpc/mm.c | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletion(-)
diff -r 3583d2701405 -r 7af3636da4b9 xen/arch/powerpc/mm.c
--- a/xen/arch/powerpc/mm.c Sun Oct 08 11:52:28 2006 -0400
+++ b/xen/arch/powerpc/mm.c Tue Oct 10 09:09:38 2006 -0400
@@ -416,7 +416,18 @@ ulong pfn2mfn(struct domain *d, ulong pf
cur_pfn += pe_pages;
}
}
- BUG_ON(t != PFN_TYPE_NONE && page_get_owner(mfn_to_page(mfn)) != d);
+#ifdef DEBUG
+ if (t != PFN_TYPE_NONE &&
+ (d->domain_flags & DOMF_dying) &&
+ page_get_owner(mfn_to_page(mfn)) != d) {
+ printk("%s: page type: %d owner Dom[%d]:%p expected Dom[%d]:%p\n",
+ __func__, t,
+ page_get_owner(mfn_to_page(mfn))->domain_id,
+ page_get_owner(mfn_to_page(mfn)),
+ d->domain_id, d);
+ BUG();
+ }
+#endif
}
if (t == PFN_TYPE_NONE) {
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