[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [IA64] fix vtlb flush
# HG changeset patch # User Isaku Yamahata <yamahata@xxxxxxxxxxxxx> # Date 1218601086 -32400 # Node ID fa8be8a6cb74976d5a96f830a9a2238abf622822 # Parent d24bc5f549ba2f1384c928456f86793fc53e66b9 [IA64] fix vtlb flush Live migration with uninitialized vcpu will crash xen by null pointer. Signed-off-by: Kouya Shimura <kouya@xxxxxxxxxxxxxx> --- xen/arch/ia64/xen/vhpt.c | 4 ++++ 1 files changed, 4 insertions(+) diff -r d24bc5f549ba -r fa8be8a6cb74 xen/arch/ia64/xen/vhpt.c --- a/xen/arch/ia64/xen/vhpt.c Mon Aug 11 11:04:52 2008 +0900 +++ b/xen/arch/ia64/xen/vhpt.c Wed Aug 13 13:18:06 2008 +0900 @@ -526,6 +526,8 @@ void flush_tlb_for_log_dirty(struct doma /* NB. There is no race because all vcpus are paused. */ if (is_hvm_domain(d)) { for_each_vcpu (d, v) { + if (!v->is_initialised) + continue; /* XXX: local_flush_tlb_all is called redundantly */ thash_purge_all(v); } @@ -533,6 +535,8 @@ void flush_tlb_for_log_dirty(struct doma NULL, 1, 1); } else if (HAS_PERVCPU_VHPT(d)) { for_each_vcpu (d, v) { + if (!v->is_initialised) + continue; vcpu_purge_tr_entry(&PSCBX(v,dtlb)); vcpu_purge_tr_entry(&PSCBX(v,itlb)); vcpu_vhpt_flush(v); _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |