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| author | Keir Fraser <keir.fraser@citrix.com> | 2010-05-19 18:38:19 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2010-05-19 18:38:19 +0100 |
| commit | cb11cb5896122f5ba0ab85886aae99ccca9d641a (patch) | |
| tree | 1d1115028083aee9fdd2925654a30fa4f6d1601b /xen/common/kexec.c | |
| parent | e787db11670a76582178ac0708b677fc4db2dc63 (diff) | |
| download | xen-cb11cb5896122f5ba0ab85886aae99ccca9d641a.tar.gz xen-cb11cb5896122f5ba0ab85886aae99ccca9d641a.tar.bz2 xen-cb11cb5896122f5ba0ab85886aae99ccca9d641a.zip | |
kexec: Fix dodgy use of cpu_present_map protecting percpu data access.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/common/kexec.c')
| -rw-r--r-- | xen/common/kexec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xen/common/kexec.c b/xen/common/kexec.c index e4dc1f0390..263faebcf5 100644 --- a/xen/common/kexec.c +++ b/xen/common/kexec.c @@ -271,7 +271,7 @@ static int kexec_get_cpu(xen_kexec_range_t *range) int nr = range->nr; int nr_bytes = 0; - if ( nr < 0 || nr >= num_present_cpus() ) + if ( nr < 0 || nr >= NR_CPUS || !cpu_online(nr) ) return -EINVAL; nr_bytes += sizeof_note("CORE", sizeof(ELF_Prstatus)); |