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| author |   Christian Borntraeger <borntraeger@de.ibm.com> | 2018-01-17 14:44:34 +0100 |
|---|---|---|
| committer |   Radim Krčmář <rkrcmar@redhat.com> | 2018-01-20 17:30:47 +0100 |
| commit | 35b3fde6203b932b2b1a5b53b3d8808abc9c4f60 (patch) | |
| tree | 872a70372b05ddf324c5cc943efedf0ddd722b96 /arch/s390/include/asm/kvm_host.h | |
| parent | Merge tag 'kvm-ppc-cve-4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc (diff) | |
| download | linux-dev-35b3fde6203b932b2b1a5b53b3d8808abc9c4f60.tar.xz linux-dev-35b3fde6203b932b2b1a5b53b3d8808abc9c4f60.zip | |
KVM: s390: wire up bpb feature
The new firmware interfaces for branch prediction behaviour changes
are transparently available for the guest. Nevertheless, there is
new state attached that should be migrated and properly resetted.
Provide a mechanism for handling reset, migration and VSIE.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[Changed capability number to 152. - Radim]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'arch/s390/include/asm/kvm_host.h')
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index e14f381757f6..c1b0a9ac1dc8 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -207,7 +207,8 @@ struct kvm_s390_sie_block { __u16 ipa; /* 0x0056 */ __u32 ipb; /* 0x0058 */ __u32 scaoh; /* 0x005c */ - __u8 reserved60; /* 0x0060 */ +#define FPF_BPBC 0x20 + __u8 fpf; /* 0x0060 */ #define ECB_GS 0x40 #define ECB_TE 0x10 #define ECB_SRSI 0x04 |