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| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2015-04-27 16:29:34 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-20 09:55:21 +0200 |
| commit | 65d0b0d4bcc67b596d8e7286c3bebf24c59ade6a (patch) | |
| tree | af52d3cc6d3c01e7cd98665cfb8ebc3eff4327fc /arch/s390 | |
| parent | 01f719176f28016da1b588f6560a4eef18a98a93 (diff) | |
| download | op-kernel-dev-65d0b0d4bcc67b596d8e7286c3bebf24c59ade6a.zip op-kernel-dev-65d0b0d4bcc67b596d8e7286c3bebf24c59ade6a.tar.gz | |
KVM: s390: fast path for shadow gmaps in gmap notifier
The default kvm gmap notifier doesn't have to handle shadow gmaps.
So let's just directly exit in case we get notified about one.
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 9dd5298..45a8316 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1986,6 +1986,8 @@ static void kvm_gmap_notifier(struct gmap *gmap, unsigned long start, unsigned long prefix; int i; + if (gmap_is_shadow(gmap)) + return; if (start >= 1UL << 31) /* We are only interested in prefix pages */ return; |
