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authorMark Brown <broonie@kernel.org>2015-09-30 23:21:11 +0100
committerMark Brown <broonie@kernel.org>2015-09-30 23:21:11 +0100
commit5c0e869357454c2aab3d02d002ffc1f0a0ab2782 (patch)
treede3bf0f70d24fc33d791f776513593da5217ea08 /arch/arm/kvm
parentbaafd373e9287f20ca0c9a6bb38eb6785a146ac2 (diff)
parented14ee0eea8b6808025356cecc87a8007885263f (diff)
Merge tag 'asoc-fix-v4.3-rc2' into asoc-pxa
ASoC: Fixes for v4.3 A disappointingly large set of fixes, though none of them very big and very widely spread over many different drivers. Nothing especially stands out, it's mostly all device specific and relatively minor.
Diffstat (limited to 'arch/arm/kvm')
-rw-r--r--arch/arm/kvm/Kconfig11
-rw-r--r--arch/arm/kvm/arm.c2
-rw-r--r--arch/arm/kvm/interrupts_head.S6
-rw-r--r--arch/arm/kvm/mmu.c6
-rw-r--r--arch/arm/kvm/psci.c12
5 files changed, 17 insertions, 20 deletions
diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
index bfb915d05665..210eccadb69a 100644
--- a/arch/arm/kvm/Kconfig
+++ b/arch/arm/kvm/Kconfig
@@ -45,15 +45,4 @@ config KVM_ARM_HOST
---help---
Provides host support for ARM processors.
-config KVM_ARM_MAX_VCPUS
- int "Number maximum supported virtual CPUs per VM"
- depends on KVM_ARM_HOST
- default 4
- help
- Static number of max supported virtual CPUs per VM.
-
- If you choose a high number, the vcpu structures will be quite
- large, so only choose a reasonable number that you expect to
- actually use.
-
endif # VIRTUALIZATION
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index ce404a5c3062..dc017adfddc8 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -446,7 +446,7 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu)
* Map the VGIC hardware resources before running a vcpu the first
* time on this VM.
*/
- if (unlikely(!vgic_ready(kvm))) {
+ if (unlikely(irqchip_in_kernel(kvm) && !vgic_ready(kvm))) {
ret = kvm_vgic_map_resources(kvm);
if (ret)
return ret;
diff --git a/arch/arm/kvm/interrupts_head.S b/arch/arm/kvm/interrupts_head.S
index 702740d37465..51a59504bef4 100644
--- a/arch/arm/kvm/interrupts_head.S
+++ b/arch/arm/kvm/interrupts_head.S
@@ -515,8 +515,7 @@ ARM_BE8(rev r6, r6 )
mrc p15, 0, r2, c14, c3, 1 @ CNTV_CTL
str r2, [vcpu, #VCPU_TIMER_CNTV_CTL]
- bic r2, #1 @ Clear ENABLE
- mcr p15, 0, r2, c14, c3, 1 @ CNTV_CTL
+
isb
mrrc p15, 3, rr_lo_hi(r2, r3), c14 @ CNTV_CVAL
@@ -529,6 +528,9 @@ ARM_BE8(rev r6, r6 )
mcrr p15, 4, r2, r2, c14 @ CNTVOFF
1:
+ mov r2, #0 @ Clear ENABLE
+ mcr p15, 0, r2, c14, c3, 1 @ CNTV_CTL
+
@ Allow physical timer/counter access for the host
mrc p15, 4, r2, c14, c1, 0 @ CNTHCTL
orr r2, r2, #(CNTHCTL_PL1PCEN | CNTHCTL_PL1PCTEN)
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 7b4201294187..6984342da13d 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -1792,8 +1792,10 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
if (vma->vm_flags & VM_PFNMAP) {
gpa_t gpa = mem->guest_phys_addr +
(vm_start - mem->userspace_addr);
- phys_addr_t pa = (vma->vm_pgoff << PAGE_SHIFT) +
- vm_start - vma->vm_start;
+ phys_addr_t pa;
+
+ pa = (phys_addr_t)vma->vm_pgoff << PAGE_SHIFT;
+ pa += vm_start - vma->vm_start;
/* IO region dirty page logging not allowed */
if (memslot->flags & KVM_MEM_LOG_DIRTY_PAGES)
diff --git a/arch/arm/kvm/psci.c b/arch/arm/kvm/psci.c
index 4b94b513168d..ad6f6424f1d1 100644
--- a/arch/arm/kvm/psci.c
+++ b/arch/arm/kvm/psci.c
@@ -126,7 +126,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
static unsigned long kvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu)
{
- int i;
+ int i, matching_cpus = 0;
unsigned long mpidr;
unsigned long target_affinity;
unsigned long target_affinity_mask;
@@ -151,12 +151,16 @@ static unsigned long kvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu)
*/
kvm_for_each_vcpu(i, tmp, kvm) {
mpidr = kvm_vcpu_get_mpidr_aff(tmp);
- if (((mpidr & target_affinity_mask) == target_affinity) &&
- !tmp->arch.pause) {
- return PSCI_0_2_AFFINITY_LEVEL_ON;
+ if ((mpidr & target_affinity_mask) == target_affinity) {
+ matching_cpus++;
+ if (!tmp->arch.pause)
+ return PSCI_0_2_AFFINITY_LEVEL_ON;
}
}
+ if (!matching_cpus)
+ return PSCI_RET_INVALID_PARAMS;
+
return PSCI_0_2_AFFINITY_LEVEL_OFF;
}