diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/tegra20.dtsi | 15 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mshyperv.c | 12 |
2 files changed, 18 insertions, 9 deletions
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index dcad6d6128cf..8c942e60703e 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -616,17 +616,14 @@ }; mc: memory-controller@7000f000 { - compatible = "nvidia,tegra20-mc"; - reg = <0x7000f000 0x024 - 0x7000f03c 0x3c4>; + compatible = "nvidia,tegra20-mc-gart"; + reg = <0x7000f000 0x400 /* controller registers */ + 0x58000000 0x02000000>; /* GART aperture */ + clocks = <&tegra_car TEGRA20_CLK_MC>; + clock-names = "mc"; interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>; #reset-cells = <1>; - }; - - iommu@7000f024 { - compatible = "nvidia,tegra20-gart"; - reg = <0x7000f024 0x00000018 /* controller registers */ - 0x58000000 0x02000000>; /* GART aperture */ + #iommu-cells = <0>; }; memory-controller@7000f400 { diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index e81a2db42df7..3fa238a137d2 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -328,6 +328,18 @@ static void __init ms_hyperv_init_platform(void) # ifdef CONFIG_SMP smp_ops.smp_prepare_boot_cpu = hv_smp_prepare_boot_cpu; # endif + + /* + * Hyper-V doesn't provide irq remapping for IO-APIC. To enable x2apic, + * set x2apic destination mode to physcial mode when x2apic is available + * and Hyper-V IOMMU driver makes sure cpus assigned with IO-APIC irqs + * have 8-bit APIC id. + */ +# ifdef CONFIG_X86_X2APIC + if (x2apic_supported()) + x2apic_phys = 1; +# endif + #endif } |