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| author | Isaku Yamahata <yamahata@valinux.co.jp> | 2008-08-13 13:18:06 +0900 |
|---|---|---|
| committer | Isaku Yamahata <yamahata@valinux.co.jp> | 2008-08-13 13:18:06 +0900 |
| commit | f60127899040f1103a286e56a27d67432c2c9652 (patch) | |
| tree | 25df105188837b174d0209caaa46854bbfb0823d | |
| parent | 570d530d68880592db3062aa353cbaf12047158d (diff) | |
| download | xen-f60127899040f1103a286e56a27d67432c2c9652.tar.gz xen-f60127899040f1103a286e56a27d67432c2c9652.tar.bz2 xen-f60127899040f1103a286e56a27d67432c2c9652.zip | |
[IA64] fix vtlb flush
Live migration with uninitialized vcpu will crash xen by null pointer.
Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>
| -rw-r--r-- | xen/arch/ia64/xen/vhpt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/xen/arch/ia64/xen/vhpt.c b/xen/arch/ia64/xen/vhpt.c index 6e89f0d44f..525b76fc37 100644 --- a/xen/arch/ia64/xen/vhpt.c +++ b/xen/arch/ia64/xen/vhpt.c @@ -526,6 +526,8 @@ void flush_tlb_for_log_dirty(struct domain *d) /* 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 domain *d) 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); |