diff options
author | Paul Mackerras <paulus@ozlabs.org> | 2018-01-19 12:09:57 +1100 |
---|---|---|
committer | Paul Mackerras <paulus@ozlabs.org> | 2018-01-19 12:09:57 +1100 |
commit | d27998185da8fbdc35911307ae13518d168778d7 (patch) | |
tree | 4c5a99fd7cff7c9da1f858fdfccf8dc1cc6c597b /arch/powerpc/kvm | |
parent | 00608e1f007e4cf6031485c5630e0e504bceef9b (diff) | |
parent | d075745d893c78730e4a3b7a60fca23c2f764081 (diff) |
Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-next
This merges in the ppc-kvm topic branch of the powerpc tree to get
two patches which are prerequisites for the following patch series,
plus another patch which touches both powerpc and KVM code.
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r-- | arch/powerpc/kvm/book3s_hv_ras.c | 8 | ||||
-rw-r--r-- | arch/powerpc/kvm/book3s_hv_rmhandlers.S | 9 | ||||
-rw-r--r-- | arch/powerpc/kvm/booke.c | 7 | ||||
-rw-r--r-- | arch/powerpc/kvm/powerpc.c | 7 |
4 files changed, 15 insertions, 16 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_ras.c b/arch/powerpc/kvm/book3s_hv_ras.c index c356f9a40b24..c296343d0dcc 100644 --- a/arch/powerpc/kvm/book3s_hv_ras.c +++ b/arch/powerpc/kvm/book3s_hv_ras.c @@ -268,17 +268,19 @@ static void kvmppc_tb_resync_done(void) * secondary threads to proceed. * - All secondary threads will eventually call opal hmi handler on * their exit path. + * + * Returns 1 if the timebase offset should be applied, 0 if not. */ long kvmppc_realmode_hmi_handler(void) { - int ptid = local_paca->kvm_hstate.ptid; bool resync_req; - /* This is only called on primary thread. */ - BUG_ON(ptid != 0); __this_cpu_inc(irq_stat.hmi_exceptions); + if (hmi_handle_debugtrig(NULL) >= 0) + return 1; + /* * By now primary thread has already completed guest->host * partition switch but haven't signaled secondaries yet. diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 30ece4cebaf5..7daf21be33d0 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -1909,16 +1909,17 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) bne 27f bl kvmppc_realmode_hmi_handler nop + cmpdi r3, 0 li r12, BOOK3S_INTERRUPT_HMI /* - * At this point kvmppc_realmode_hmi_handler would have resync-ed - * the TB. Hence it is not required to subtract guest timebase - * offset from timebase. So, skip it. + * At this point kvmppc_realmode_hmi_handler may have resync-ed + * the TB, and if it has, we must not subtract the guest timebase + * offset from the timebase. So, skip it. * * Also, do not call kvmppc_subcore_exit_guest() because it has * been invoked as part of kvmppc_realmode_hmi_handler(). */ - b 30f + beq 30f 27: /* Subtract timebase offset from timebase */ diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 071b87ee682f..83b485810aea 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -599,9 +599,9 @@ static void arm_next_watchdog(struct kvm_vcpu *vcpu) spin_unlock_irqrestore(&vcpu->arch.wdt_lock, flags); } -void kvmppc_watchdog_func(unsigned long data) +void kvmppc_watchdog_func(struct timer_list *t) { - struct kvm_vcpu *vcpu = (struct kvm_vcpu *)data; + struct kvm_vcpu *vcpu = from_timer(vcpu, t, arch.wdt_timer); u32 tsr, new_tsr; int final; @@ -1412,8 +1412,7 @@ int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu) { /* setup watchdog timer once */ spin_lock_init(&vcpu->arch.wdt_lock); - setup_timer(&vcpu->arch.wdt_timer, kvmppc_watchdog_func, - (unsigned long)vcpu); + timer_setup(&vcpu->arch.wdt_timer, kvmppc_watchdog_func, 0); /* * Clear DBSR.MRR to avoid guest debug interrupt as diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 7c9e45f54186..77eb25abc601 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1403,7 +1403,6 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) { int r; - sigset_t sigsaved; if (vcpu->mmio_needed) { vcpu->mmio_needed = 0; @@ -1444,16 +1443,14 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) #endif } - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); + kvm_sigset_activate(vcpu); if (run->immediate_exit) r = -EINTR; else r = kvmppc_vcpu_run(run, vcpu); - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &sigsaved, NULL); + kvm_sigset_deactivate(vcpu); return r; } |