diff options
| author | Daniel De Graaf <dgdegra@tycho.nsa.gov> | 2013-01-11 10:40:58 +0000 |
|---|---|---|
| committer | Daniel De Graaf <dgdegra@tycho.nsa.gov> | 2013-01-11 10:40:58 +0000 |
| commit | 58632b5b140c35e8003a4efbe1eabe936c602490 (patch) | |
| tree | 11ef5d938d4e9b82cd0469e350b896169d9f6a49 /xen/common/memory.c | |
| parent | aaba7a677dfc5e42aa4064565948cb2632f83dd5 (diff) | |
| download | xen-58632b5b140c35e8003a4efbe1eabe936c602490.tar.gz xen-58632b5b140c35e8003a4efbe1eabe936c602490.tar.bz2 xen-58632b5b140c35e8003a4efbe1eabe936c602490.zip | |
xen: add XSM hook for XENMEM_exchange
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Committed-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'xen/common/memory.c')
| -rw-r--r-- | xen/common/memory.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/xen/common/memory.c b/xen/common/memory.c index 35acf1cb88..e18e224156 100644 --- a/xen/common/memory.c +++ b/xen/common/memory.c @@ -341,9 +341,19 @@ static long memory_exchange(XEN_GUEST_HANDLE_PARAM(xen_memory_exchange_t) arg) out_chunk_order = exch.in.extent_order - exch.out.extent_order; } - rc = rcu_lock_target_domain_by_id(exch.in.domid, &d); + d = rcu_lock_domain_by_any_id(exch.in.domid); + if ( d == NULL ) + { + rc = -ESRCH; + goto fail_early; + } + + rc = xsm_memory_exchange(d); if ( rc ) + { + rcu_unlock_domain(d); goto fail_early; + } memflags |= MEMF_bits(domain_clamp_alloc_bitsize( d, |