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authorPeter Maydell <peter.maydell@linaro.org>2018-04-09 18:21:22 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-04-09 18:21:23 +0100
commit1e7e92e2ef874aa3a235d59b2be1da7a29b6fd29 (patch)
treebc26754782cb19637dde44443a690d95fca13ef2 /target
parent915d34c5f99b0ab91517c69f54272bfdb6ca2b32 (diff)
parentb3a184f51fbed3401694a9619e6842f882a64fee (diff)
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20180409' into staging
Fixes for s390x: kvm, vfio-ccw, ipl code, bios. Includes a rebuild of s390-ccw.img and s390-netboot.img. # gpg: Signature made Mon 09 Apr 2018 16:08:19 BST # gpg: using RSA key DECF6B93C6F02FAF # gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" # gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" # gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" # gpg: aka "Cornelia Huck <cohuck@kernel.org>" # gpg: aka "Cornelia Huck <cohuck@redhat.com>" # Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF * remotes/cohuck/tags/s390x-20180409: s390x: load_psw() should only exchange the PSW for KVM s390x/mmu: don't overwrite pending exception in mmu translate vfio-ccw: fix memory leaks in vfio_ccw_realize() pc-bios/s390: update images s390: Do not pass inofficial IPL type to the guest s390: Ensure IPL from SCSI works as expected s390: Refactor IPL parameter block generation s390x/kvm: call cpu_synchronize_state() on every kvm_arch_handle_exit() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target')
-rw-r--r--target/s390x/helper.c10
-rw-r--r--target/s390x/kvm.c2
-rw-r--r--target/s390x/mmu_helper.c2
3 files changed, 9 insertions, 5 deletions
diff --git a/target/s390x/helper.c b/target/s390x/helper.c
index 615fa24..e8548f3 100644
--- a/target/s390x/helper.c
+++ b/target/s390x/helper.c
@@ -103,16 +103,18 @@ void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr)
env->psw.addr = addr;
env->psw.mask = mask;
- if (tcg_enabled()) {
- env->cc_op = (mask >> 44) & 3;
+
+ /* KVM will handle all WAITs and trigger a WAIT exit on disabled_wait */
+ if (!tcg_enabled()) {
+ return;
}
+ env->cc_op = (mask >> 44) & 3;
if ((old_mask ^ mask) & PSW_MASK_PER) {
s390_cpu_recompute_watchpoints(CPU(s390_env_get_cpu(env)));
}
- /* KVM will handle all WAITs and trigger a WAIT exit on disabled_wait */
- if (tcg_enabled() && (mask & PSW_MASK_WAIT)) {
+ if (mask & PSW_MASK_WAIT) {
s390_handle_wait(s390_env_get_cpu(env));
}
}
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index f570896..fb59d92 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -1778,6 +1778,8 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)
qemu_mutex_lock_iothread();
+ cpu_synchronize_state(cs);
+
switch (run->exit_reason) {
case KVM_EXIT_S390_SIEIC:
ret = handle_intercept(cpu);
diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c
index 1deeb6e..a25deef 100644
--- a/target/s390x/mmu_helper.c
+++ b/target/s390x/mmu_helper.c
@@ -325,7 +325,7 @@ static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr,
r = mmu_translate_region(env, vaddr, asc, asce, level, raddr, flags, rw,
exc);
- if (rw == MMU_DATA_STORE && !(*flags & PAGE_WRITE)) {
+ if (!r && rw == MMU_DATA_STORE && !(*flags & PAGE_WRITE)) {
trigger_prot_fault(env, vaddr, asc, rw, exc);
return -1;
}