diff options
Diffstat (limited to 'arch/x86/hyperv/hv_apic.c')
| -rw-r--r-- | arch/x86/hyperv/hv_apic.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c index f022d5f64fb6..bfde0a3498b9 100644 --- a/arch/x86/hyperv/hv_apic.c +++ b/arch/x86/hyperv/hv_apic.c @@ -28,6 +28,7 @@ #include <asm/hypervisor.h> #include <asm/mshyperv.h> #include <asm/apic.h> +#include <asm/msr.h> #include <asm/trace/hyperv.h> @@ -37,7 +38,7 @@ static u64 hv_apic_icr_read(void) { u64 reg_val; - rdmsrl(HV_X64_MSR_ICR, reg_val); + rdmsrq(HV_X64_MSR_ICR, reg_val); return reg_val; } @@ -49,7 +50,7 @@ static void hv_apic_icr_write(u32 low, u32 id) reg_val = reg_val << 32; reg_val |= low; - wrmsrl(HV_X64_MSR_ICR, reg_val); + wrmsrq(HV_X64_MSR_ICR, reg_val); } static u32 hv_apic_read(u32 reg) @@ -75,10 +76,10 @@ static void hv_apic_write(u32 reg, u32 val) { switch (reg) { case APIC_EOI: - wrmsr(HV_X64_MSR_EOI, val, 0); + wrmsrq(HV_X64_MSR_EOI, val); break; case APIC_TASKPRI: - wrmsr(HV_X64_MSR_TPR, val, 0); + wrmsrq(HV_X64_MSR_TPR, val); break; default: native_apic_mem_write(reg, val); @@ -92,7 +93,7 @@ static void hv_apic_eoi_write(void) if (hvp && (xchg(&hvp->apic_assist, 0) & 0x1)) return; - wrmsr(HV_X64_MSR_EOI, APIC_EOI_ACK, 0); + wrmsrq(HV_X64_MSR_EOI, APIC_EOI_ACK); } static bool cpu_is_self(int cpu) @@ -145,6 +146,11 @@ static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector, ipi_arg->vp_set.format = HV_GENERIC_SET_ALL; } + /* + * For this hypercall, Hyper-V treats the valid_bank_mask field + * of ipi_arg->vp_set as part of the fixed size input header. + * So the variable input header size is equal to nr_bank. + */ status = hv_do_rep_hypercall(HVCALL_SEND_IPI_EX, 0, nr_bank, ipi_arg, NULL); |