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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2011-10-30 15:17:03 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 15:16:45 +0100 |
| commit | 388186bc920d9200202e4d25de66fa95b1b8fc68 (patch) | |
| tree | c7e1bc3231a50a91d298a8da59e8fefe2935d6da /arch/s390/include | |
| parent | 499069e1a421e2a85e76846c3237f00f1a5cb435 (diff) | |
| download | linux-rt-388186bc920d9200202e4d25de66fa95b1b8fc68.tar.gz | |
[S390] kvm: Handle diagnose 0x10 (release pages)
Linux on System z uses a ballooner based on diagnose 0x10. (aka as
collaborative memory management). This patch implements diagnose
0x10 on the guest address space.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 1 | ||||
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 00ff00dfb24c..46c0bdaf4792 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -143,6 +143,7 @@ struct kvm_vcpu_stat { u32 instruction_sigp_arch; u32 instruction_sigp_prefix; u32 instruction_sigp_restart; + u32 diagnose_10; u32 diagnose_44; }; diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index bc5f520f6f87..34ede0ea85a9 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -698,6 +698,7 @@ int gmap_map_segment(struct gmap *gmap, unsigned long from, int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len); unsigned long __gmap_fault(unsigned long address, struct gmap *); unsigned long gmap_fault(unsigned long address, struct gmap *); +void gmap_discard(unsigned long from, unsigned long to, struct gmap *); /* * Certain architectures need to do special things when PTEs |