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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2019-07-10 23:24:10 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2019-07-10 23:24:10 -0700
commit597473720f4dc69749542bfcfed4a927a43d935e (patch)
tree711bf773910fb93d1dd9120c633adc807685e0d8 /arch/arm/kvm/coproc.c
parentInput: atmel_mxt_ts - fix leak in mxt_update_cfg() (diff)
parentInput: gpio_keys_polled - allow specifying name of input device (diff)
downloadlinux-dev-597473720f4dc69749542bfcfed4a927a43d935e.tar.xz
linux-dev-597473720f4dc69749542bfcfed4a927a43d935e.zip
Merge branch 'next' into for-linus
Prepare input updates for 5.3 merge window.
Diffstat (limited to 'arch/arm/kvm/coproc.c')
-rw-r--r--arch/arm/kvm/coproc.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c
index cb094e55dc5f..14915c78bd99 100644
--- a/arch/arm/kvm/coproc.c
+++ b/arch/arm/kvm/coproc.c
@@ -293,15 +293,16 @@ static bool access_cntp_tval(struct kvm_vcpu *vcpu,
const struct coproc_params *p,
const struct coproc_reg *r)
{
- u64 now = kvm_phys_timer_read();
- u64 val;
+ u32 val;
if (p->is_write) {
val = *vcpu_reg(vcpu, p->Rt1);
- kvm_arm_timer_set_reg(vcpu, KVM_REG_ARM_PTIMER_CVAL, val + now);
+ kvm_arm_timer_write_sysreg(vcpu,
+ TIMER_PTIMER, TIMER_REG_TVAL, val);
} else {
- val = kvm_arm_timer_get_reg(vcpu, KVM_REG_ARM_PTIMER_CVAL);
- *vcpu_reg(vcpu, p->Rt1) = val - now;
+ val = kvm_arm_timer_read_sysreg(vcpu,
+ TIMER_PTIMER, TIMER_REG_TVAL);
+ *vcpu_reg(vcpu, p->Rt1) = val;
}
return true;
@@ -315,9 +316,11 @@ static bool access_cntp_ctl(struct kvm_vcpu *vcpu,
if (p->is_write) {
val = *vcpu_reg(vcpu, p->Rt1);
- kvm_arm_timer_set_reg(vcpu, KVM_REG_ARM_PTIMER_CTL, val);
+ kvm_arm_timer_write_sysreg(vcpu,
+ TIMER_PTIMER, TIMER_REG_CTL, val);
} else {
- val = kvm_arm_timer_get_reg(vcpu, KVM_REG_ARM_PTIMER_CTL);
+ val = kvm_arm_timer_read_sysreg(vcpu,
+ TIMER_PTIMER, TIMER_REG_CTL);
*vcpu_reg(vcpu, p->Rt1) = val;
}
@@ -333,9 +336,11 @@ static bool access_cntp_cval(struct kvm_vcpu *vcpu,
if (p->is_write) {
val = (u64)*vcpu_reg(vcpu, p->Rt2) << 32;
val |= *vcpu_reg(vcpu, p->Rt1);
- kvm_arm_timer_set_reg(vcpu, KVM_REG_ARM_PTIMER_CVAL, val);
+ kvm_arm_timer_write_sysreg(vcpu,
+ TIMER_PTIMER, TIMER_REG_CVAL, val);
} else {
- val = kvm_arm_timer_get_reg(vcpu, KVM_REG_ARM_PTIMER_CVAL);
+ val = kvm_arm_timer_read_sysreg(vcpu,
+ TIMER_PTIMER, TIMER_REG_CVAL);
*vcpu_reg(vcpu, p->Rt1) = val;
*vcpu_reg(vcpu, p->Rt2) = val >> 32;
}
@@ -602,8 +607,8 @@ static int emulate_cp15(struct kvm_vcpu *vcpu,
}
} else {
/* If access function fails, it should complain. */
- kvm_err("Unsupported guest CP15 access at: %08lx\n",
- *vcpu_pc(vcpu));
+ kvm_err("Unsupported guest CP15 access at: %08lx [%08lx]\n",
+ *vcpu_pc(vcpu), *vcpu_cpsr(vcpu));
print_cp_instr(params);
kvm_inject_undefined(vcpu);
}
@@ -1450,6 +1455,6 @@ void kvm_reset_coprocs(struct kvm_vcpu *vcpu)
reset_coproc_regs(vcpu, table, num);
for (num = 1; num < NR_CP15_REGS; num++)
- if (vcpu_cp15(vcpu, num) == 0x42424242)
- panic("Didn't reset vcpu_cp15(vcpu, %zi)", num);
+ WARN(vcpu_cp15(vcpu, num) == 0x42424242,
+ "Didn't reset vcpu_cp15(vcpu, %zi)", num);
}