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| author | Radim Krčmář <rkrcmar@redhat.com> | 2017-08-21 18:21:30 +0200 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2017-08-21 18:21:30 +0200 |
| commit | f2d8421b88ca28253d6265e3852de9f40aae6e63 (patch) | |
| tree | d0faa456b94d73e8829ffc731481248712b4b66b /arch | |
| parent | 14ccee78fc82f5512908f4424f541549a5705b89 (diff) | |
| parent | 857b8de96795646c5891cf44ae6fb19b9ff74bf9 (diff) | |
Merge tag 'kvm-s390-master-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux
KVM: s390: two fixes for sthyi emulation
- missing inline assembly constraint
- wrong exception handling
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/kvm/sthyi.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/s390/kvm/sthyi.c b/arch/s390/kvm/sthyi.c index 926b5244263e..a2e5c24f47a7 100644 --- a/arch/s390/kvm/sthyi.c +++ b/arch/s390/kvm/sthyi.c @@ -394,7 +394,7 @@ static int sthyi(u64 vaddr) "srl %[cc],28\n" : [cc] "=d" (cc) : [code] "d" (code), [addr] "a" (addr) - : "memory", "cc"); + : "3", "memory", "cc"); return cc; } @@ -425,7 +425,7 @@ int handle_sthyi(struct kvm_vcpu *vcpu) VCPU_EVENT(vcpu, 3, "STHYI: fc: %llu addr: 0x%016llx", code, addr); trace_kvm_s390_handle_sthyi(vcpu, code, addr); - if (reg1 == reg2 || reg1 & 1 || reg2 & 1 || addr & ~PAGE_MASK) + if (reg1 == reg2 || reg1 & 1 || reg2 & 1) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); if (code & 0xffff) { @@ -433,6 +433,9 @@ int handle_sthyi(struct kvm_vcpu *vcpu) goto out; } + if (addr & ~PAGE_MASK) + return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); + /* * If the page has not yet been faulted in, we want to do that * now and not after all the expensive calculations. |