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-rw-r--r--arch/arm/boot/dts/imx27.dtsi16
-rw-r--r--arch/arm/boot/dts/omap5-uevm.dts66
-rw-r--r--arch/arm/boot/dts/sama5d4.dtsi8
-rw-r--r--arch/arm/common/edma.c6
-rw-r--r--arch/arm/mach-at91/pm_suspend.S2
-rw-r--r--arch/arm/mach-pxa/include/mach/pxa27x.h2
-rw-r--r--arch/arm/mach-pxa/pxa27x.c2
-rw-r--r--arch/arm/mach-tegra/board-paz00.c4
-rw-r--r--arch/arm/mm/dma-mapping.c7
-rw-r--r--arch/arm64/include/asm/ptrace.h16
-rw-r--r--arch/arm64/kernel/vmlinux.lds.S5
-rw-r--r--arch/mips/kvm/emulate.c2
-rw-r--r--arch/mips/kvm/locore.S16
-rw-r--r--arch/mips/kvm/mips.c5
-rw-r--r--arch/mips/lantiq/clk.c17
-rw-r--r--arch/s390/kvm/interrupt.c7
-rw-r--r--arch/s390/kvm/kvm-s390.c10
-rw-r--r--arch/s390/kvm/sigp.c8
-rw-r--r--arch/x86/include/uapi/asm/svm.h1
-rw-r--r--arch/x86/kernel/cpu/common.c3
-rw-r--r--arch/x86/kernel/head_64.S8
-rw-r--r--arch/x86/kernel/setup.c8
-rw-r--r--arch/x86/kernel/verify_cpu.S12
-rw-r--r--arch/x86/kvm/lapic.c2
-rw-r--r--arch/x86/kvm/svm.c8
-rw-r--r--arch/x86/kvm/vmx.c5
26 files changed, 186 insertions, 60 deletions
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index bc215e4b75fd..6a87233d0b19 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -477,7 +477,10 @@
compatible = "fsl,imx27-usb";
reg = <0x10024000 0x200>;
interrupts = <56>;
- clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+ clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+ <&clks IMX27_CLK_USB_AHB_GATE>,
+ <&clks IMX27_CLK_USB_DIV>;
+ clock-names = "ipg", "ahb", "per";
fsl,usbmisc = <&usbmisc 0>;
status = "disabled";
};
@@ -486,7 +489,10 @@
compatible = "fsl,imx27-usb";
reg = <0x10024200 0x200>;
interrupts = <54>;
- clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+ clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+ <&clks IMX27_CLK_USB_AHB_GATE>,
+ <&clks IMX27_CLK_USB_DIV>;
+ clock-names = "ipg", "ahb", "per";
fsl,usbmisc = <&usbmisc 1>;
dr_mode = "host";
status = "disabled";
@@ -496,7 +502,10 @@
compatible = "fsl,imx27-usb";
reg = <0x10024400 0x200>;
interrupts = <55>;
- clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+ clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+ <&clks IMX27_CLK_USB_AHB_GATE>,
+ <&clks IMX27_CLK_USB_DIV>;
+ clock-names = "ipg", "ahb", "per";
fsl,usbmisc = <&usbmisc 2>;
dr_mode = "host";
status = "disabled";
@@ -506,7 +515,6 @@
#index-cells = <1>;
compatible = "fsl,imx27-usbmisc";
reg = <0x10024600 0x200>;
- clocks = <&clks IMX27_CLK_USB_AHB_GATE>;
};
sahara2: sahara@10025000 {
diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
index 1b958e92d674..2e7c1364cb00 100644
--- a/arch/arm/boot/dts/omap5-uevm.dts
+++ b/arch/arm/boot/dts/omap5-uevm.dts
@@ -31,6 +31,24 @@
regulator-max-microvolt = <3000000>;
};
+ mmc3_pwrseq: sdhci0_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&clk32kgaudio>;
+ clock-names = "ext_clock";
+ };
+
+ vmmcsdio_fixed: fixedregulator-mmcsdio {
+ compatible = "regulator-fixed";
+ regulator-name = "vmmcsdio_fixed";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ gpio = <&gpio5 12 GPIO_ACTIVE_HIGH>; /* gpio140 WLAN_EN */
+ enable-active-high;
+ startup-delay-us = <70000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&wlan_pins>;
+ };
+
/* HS USB Host PHY on PORT 2 */
hsusb2_phy: hsusb2_phy {
compatible = "usb-nop-xceiv";
@@ -197,12 +215,20 @@
>;
};
- mcspi4_pins: pinmux_mcspi4_pins {
+ mmc3_pins: pinmux_mmc3_pins {
+ pinctrl-single,pins = <
+ OMAP5_IOPAD(0x01a4, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_clk */
+ OMAP5_IOPAD(0x01a6, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_cmd */
+ OMAP5_IOPAD(0x01a8, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data0 */
+ OMAP5_IOPAD(0x01aa, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data1 */
+ OMAP5_IOPAD(0x01ac, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data2 */
+ OMAP5_IOPAD(0x01ae, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data3 */
+ >;
+ };
+
+ wlan_pins: pinmux_wlan_pins {
pinctrl-single,pins = <
- 0x164 (PIN_INPUT | MUX_MODE1) /* mcspi4_clk */
- 0x168 (PIN_INPUT | MUX_MODE1) /* mcspi4_simo */
- 0x16a (PIN_INPUT | MUX_MODE1) /* mcspi4_somi */
- 0x16c (PIN_INPUT | MUX_MODE1) /* mcspi4_cs0 */
+ OMAP5_IOPAD(0x1bc, PIN_OUTPUT | MUX_MODE6) /* mcspi1_clk.gpio5_140 */
>;
};
@@ -276,6 +302,12 @@
0x1A (PIN_OUTPUT | MUX_MODE0) /* fref_clk1_out, USB hub clk */
>;
};
+
+ wlcore_irq_pin: pinmux_wlcore_irq_pin {
+ pinctrl-single,pins = <
+ OMAP5_IOPAD(0x040, WAKEUP_EN | PIN_INPUT_PULLUP | MUX_MODE6) /* llia_wakereqin.gpio1_wk14 */
+ >;
+ };
};
&mmc1 {
@@ -290,8 +322,25 @@
};
&mmc3 {
+ vmmc-supply = <&vmmcsdio_fixed>;
+ mmc-pwrseq = <&mmc3_pwrseq>;
bus-width = <4>;
- ti,non-removable;
+ non-removable;
+ cap-power-off-card;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc3_pins &wlcore_irq_pin>;
+ interrupts-extended = <&gic GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH
+ &omap5_pmx_core 0x168>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ wlcore: wlcore@2 {
+ compatible = "ti,wl1271";
+ reg = <2>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <14 IRQ_TYPE_LEVEL_HIGH>; /* gpio 14 */
+ ref-clock-frequency = <26000000>;
+ };
};
&mmc4 {
@@ -591,11 +640,6 @@
pinctrl-0 = <&mcspi3_pins>;
};
-&mcspi4 {
- pinctrl-names = "default";
- pinctrl-0 = <&mcspi4_pins>;
-};
-
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
index a5f5f4090af6..9cf0ab62db7d 100644
--- a/arch/arm/boot/dts/sama5d4.dtsi
+++ b/arch/arm/boot/dts/sama5d4.dtsi
@@ -918,11 +918,11 @@
reg = <0xf8018000 0x4000>;
interrupts = <33 IRQ_TYPE_LEVEL_HIGH 6>;
dmas = <&dma1
- (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1))
- AT91_XDMAC_DT_PERID(4)>,
+ (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+ | AT91_XDMAC_DT_PERID(4))>,
<&dma1
- (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1))
- AT91_XDMAC_DT_PERID(5)>;
+ (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+ | AT91_XDMAC_DT_PERID(5))>;
dma-names = "tx", "rx";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c
index 5662a872689b..30613204da15 100644
--- a/arch/arm/common/edma.c
+++ b/arch/arm/common/edma.c
@@ -406,7 +406,8 @@ static irqreturn_t dma_irq_handler(int irq, void *data)
BIT(slot));
if (edma_cc[ctlr]->intr_data[channel].callback)
edma_cc[ctlr]->intr_data[channel].callback(
- channel, EDMA_DMA_COMPLETE,
+ EDMA_CTLR_CHAN(ctlr, channel),
+ EDMA_DMA_COMPLETE,
edma_cc[ctlr]->intr_data[channel].data);
}
} while (sh_ipr);
@@ -460,7 +461,8 @@ static irqreturn_t dma_ccerr_handler(int irq, void *data)
if (edma_cc[ctlr]->intr_data[k].
callback) {
edma_cc[ctlr]->intr_data[k].
- callback(k,
+ callback(
+ EDMA_CTLR_CHAN(ctlr, k),
EDMA_DMA_CC_ERROR,
edma_cc[ctlr]->intr_data
[k].data);
diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
index bd22b2c8a051..d3161c7ee1fd 100644
--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -81,6 +81,8 @@ tmp2 .req r5
* @r2: base address of second SDRAM Controller or 0 if not present
* @r3: pm information
*/
+/* at91_pm_suspend_in_sram must be 8-byte aligned per the requirements of fncpy() */
+ .align 3
ENTRY(at91_pm_suspend_in_sram)
/* Save registers on stack */
stmfd sp!, {r4 - r12, lr}
diff --git a/arch/arm/mach-pxa/include/mach/pxa27x.h b/arch/arm/mach-pxa/include/mach/pxa27x.h
index 599b925a657c..1a4291936c58 100644
--- a/arch/arm/mach-pxa/include/mach/pxa27x.h
+++ b/arch/arm/mach-pxa/include/mach/pxa27x.h
@@ -19,7 +19,7 @@
#define ARB_CORE_PARK (1<<24) /* Be parked with core when idle */
#define ARB_LOCK_FLAG (1<<23) /* Only Locking masters gain access to the bus */
-extern int __init pxa27x_set_pwrmode(unsigned int mode);
+extern int pxa27x_set_pwrmode(unsigned int mode);
extern void pxa27x_cpu_pm_enter(suspend_state_t state);
#endif /* __MACH_PXA27x_H */
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index af423a48c2e3..782e6b98dd9a 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -251,7 +251,7 @@ static struct clk_lookup pxa27x_clkregs[] = {
*/
static unsigned int pwrmode = PWRMODE_SLEEP;
-int __init pxa27x_set_pwrmode(unsigned int mode)
+int pxa27x_set_pwrmode(unsigned int mode)
{
switch (mode) {
case PWRMODE_SLEEP:
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index fbe74c6806f3..49d1110cff53 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -39,8 +39,8 @@ static struct platform_device wifi_rfkill_device = {
static struct gpiod_lookup_table wifi_gpio_lookup = {
.dev_id = "rfkill_gpio",
.table = {
- GPIO_LOOKUP_IDX("tegra-gpio", 25, NULL, 0, 0),
- GPIO_LOOKUP_IDX("tegra-gpio", 85, NULL, 1, 0),
+ GPIO_LOOKUP("tegra-gpio", 25, "reset", 0),
+ GPIO_LOOKUP("tegra-gpio", 85, "shutdown", 0),
{ },
},
};
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 6e4b9ff22ef3..64d7486262e5 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1395,12 +1395,19 @@ static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
unsigned long uaddr = vma->vm_start;
unsigned long usize = vma->vm_end - vma->vm_start;
struct page **pages = __iommu_get_pages(cpu_addr, attrs);
+ unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
+ unsigned long off = vma->vm_pgoff;
vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot);
if (!pages)
return -ENXIO;
+ if (off >= nr_pages || (usize >> PAGE_SHIFT) > nr_pages - off)
+ return -ENXIO;
+
+ pages += off;
+
do {
int ret = vm_insert_page(vma, uaddr, *pages++);
if (ret) {
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index d6dd9fdbc3be..d4264bb0a409 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -83,14 +83,14 @@
#define compat_sp regs[13]
#define compat_lr regs[14]
#define compat_sp_hyp regs[15]
-#define compat_sp_irq regs[16]
-#define compat_lr_irq regs[17]
-#define compat_sp_svc regs[18]
-#define compat_lr_svc regs[19]
-#define compat_sp_abt regs[20]
-#define compat_lr_abt regs[21]
-#define compat_sp_und regs[22]
-#define compat_lr_und regs[23]
+#define compat_lr_irq regs[16]
+#define compat_sp_irq regs[17]
+#define compat_lr_svc regs[18]
+#define compat_sp_svc regs[19]
+#define compat_lr_abt regs[20]
+#define compat_sp_abt regs[21]
+#define compat_lr_und regs[22]
+#define compat_sp_und regs[23]
#define compat_r8_fiq regs[24]
#define compat_r9_fiq regs[25]
#define compat_r10_fiq regs[26]
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index a2c29865c3fe..aff07bcad882 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -54,9 +54,12 @@ PECOFF_FILE_ALIGNMENT = 0x200;
#define PECOFF_EDATA_PADDING
#endif
-#ifdef CONFIG_DEBUG_ALIGN_RODATA
+#if defined(CONFIG_DEBUG_ALIGN_RODATA)
#define ALIGN_DEBUG_RO . = ALIGN(1<<SECTION_SHIFT);
#define ALIGN_DEBUG_RO_MIN(min) ALIGN_DEBUG_RO
+#elif defined(CONFIG_DEBUG_RODATA)
+#define ALIGN_DEBUG_RO . = ALIGN(1<<PAGE_SHIFT);
+#define ALIGN_DEBUG_RO_MIN(min) ALIGN_DEBUG_RO
#else
#define ALIGN_DEBUG_RO
#define ALIGN_DEBUG_RO_MIN(min) . = ALIGN(min);
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index d5fa3eaf39a1..41b1b090f56f 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -1581,7 +1581,7 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,
base = (inst >> 21) & 0x1f;
op_inst = (inst >> 16) & 0x1f;
- offset = inst & 0xffff;
+ offset = (int16_t)inst;
cache = (inst >> 16) & 0x3;
op = (inst >> 18) & 0x7;
diff --git a/arch/mips/kvm/locore.S b/arch/mips/kvm/locore.S
index c567240386a0..d1ee95a7f7dd 100644
--- a/arch/mips/kvm/locore.S
+++ b/arch/mips/kvm/locore.S
@@ -165,9 +165,11 @@ FEXPORT(__kvm_mips_vcpu_run)
FEXPORT(__kvm_mips_load_asid)
/* Set the ASID for the Guest Kernel */
- INT_SLL t0, t0, 1 /* with kseg0 @ 0x40000000, kernel */
- /* addresses shift to 0x80000000 */
- bltz t0, 1f /* If kernel */
+ PTR_L t0, VCPU_COP0(k1)
+ LONG_L t0, COP0_STATUS(t0)
+ andi t0, KSU_USER | ST0_ERL | ST0_EXL
+ xori t0, KSU_USER
+ bnez t0, 1f /* If kernel */
INT_ADDIU t1, k1, VCPU_GUEST_KERNEL_ASID /* (BD) */
INT_ADDIU t1, k1, VCPU_GUEST_USER_ASID /* else user */
1:
@@ -482,9 +484,11 @@ __kvm_mips_return_to_guest:
mtc0 t0, CP0_EPC
/* Set the ASID for the Guest Kernel */
- INT_SLL t0, t0, 1 /* with kseg0 @ 0x40000000, kernel */
- /* addresses shift to 0x80000000 */
- bltz t0, 1f /* If kernel */
+ PTR_L t0, VCPU_COP0(k1)
+ LONG_L t0, COP0_STATUS(t0)
+ andi t0, KSU_USER | ST0_ERL | ST0_EXL
+ xori t0, KSU_USER
+ bnez t0, 1f /* If kernel */
INT_ADDIU t1, k1, VCPU_GUEST_KERNEL_ASID /* (BD) */
INT_ADDIU t1, k1, VCPU_GUEST_USER_ASID /* else user */
1:
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 52f205ae1281..22ee0afc7d5d 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -277,7 +277,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
if (!gebase) {
err = -ENOMEM;
- goto out_free_cpu;
+ goto out_uninit_cpu;
}
kvm_debug("Allocated %d bytes for KVM Exception Handlers @ %p\n",
ALIGN(size, PAGE_SIZE), gebase);
@@ -341,6 +341,9 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
out_free_gebase:
kfree(gebase);
+out_uninit_cpu:
+ kvm_vcpu_uninit(vcpu);
+
out_free_cpu:
kfree(vcpu);
diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c
index 3fc2e6d70c77..a0706fd4ce0a 100644
--- a/arch/mips/lantiq/clk.c
+++ b/arch/mips/lantiq/clk.c
@@ -99,6 +99,23 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
}
EXPORT_SYMBOL(clk_set_rate);
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ if (unlikely(!clk_good(clk)))
+ return 0;
+ if (clk->rates && *clk->rates) {
+ unsigned long *r = clk->rates;
+
+ while (*r && (*r != rate))
+ r++;
+ if (!*r) {
+ return clk->rate;
+ }
+ }
+ return rate;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
int clk_enable(struct clk *clk)
{
if (unlikely(!clk_good(clk)))
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index b745a109bfc1..3dbba9a2bb0f 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -1054,8 +1054,7 @@ static int __inject_extcall(struct kvm_vcpu *vcpu, struct kvm_s390_irq *irq)
src_id, 0, 2);
/* sending vcpu invalid */
- if (src_id >= KVM_MAX_VCPUS ||
- kvm_get_vcpu(vcpu->kvm, src_id) == NULL)
+ if (kvm_get_vcpu_by_id(vcpu->kvm, src_id) == NULL)
return -EINVAL;
if (sclp_has_sigpif())
@@ -1134,6 +1133,10 @@ static int __inject_sigp_emergency(struct kvm_vcpu *vcpu,
trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY,
irq->u.emerg.code, 0, 2);
+ /* sending vcpu invalid */
+ if (kvm_get_vcpu_by_id(vcpu->kvm, irq->u.emerg.code) == NULL)
+ return -EINVAL;
+
set_bit(irq->u.emerg.code, li->sigp_emerg_pending);
set_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs);
atomic_set_mask(CPUSTAT_EXT_INT, li->cpuflags);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 8cd8e7b288c5..c3805cf4b982 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -283,12 +283,16 @@ static int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap)
r = 0;
break;
case KVM_CAP_S390_VECTOR_REGISTERS:
- if (MACHINE_HAS_VX) {
+ mutex_lock(&kvm->lock);
+ if (atomic_read(&kvm->online_vcpus)) {
+ r = -EBUSY;
+ } else if (MACHINE_HAS_VX) {
set_kvm_facility(kvm->arch.model.fac->mask, 129);
set_kvm_facility(kvm->arch.model.fac->list, 129);
r = 0;
} else
r = -EINVAL;
+ mutex_unlock(&kvm->lock);
break;
case KVM_CAP_S390_USER_STSI:
kvm->arch.user_stsi = 1;
@@ -1031,7 +1035,9 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
if (!kvm->arch.sca)
goto out_err;
spin_lock(&kvm_lock);
- sca_offset = (sca_offset + 16) & 0x7f0;
+ sca_offset += 16;
+ if (sca_offset + sizeof(struct sca_block) > PAGE_SIZE)
+ sca_offset = 0;
kvm->arch.sca = (struct sca_block *) ((char *) kvm->arch.sca + sca_offset);
spin_unlock(&kvm_lock);
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 72e58bd2bee7..7171056fc24d 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -294,12 +294,8 @@ static int handle_sigp_dst(struct kvm_vcpu *vcpu, u8 order_code,
u16 cpu_addr, u32 parameter, u64 *status_reg)
{
int rc;
- struct kvm_vcpu *dst_vcpu;
+ struct kvm_vcpu *dst_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, cpu_addr);
- if (cpu_addr >= KVM_MAX_VCPUS)
- return SIGP_CC_NOT_OPERATIONAL;
-
- dst_vcpu = kvm_get_vcpu(vcpu->kvm, cpu_addr);
if (!dst_vcpu)
return SIGP_CC_NOT_OPERATIONAL;
@@ -481,7 +477,7 @@ int kvm_s390_handle_sigp_pei(struct kvm_vcpu *vcpu)
trace_kvm_s390_handle_sigp_pei(vcpu, order_code, cpu_addr);
if (order_code == SIGP_EXTERNAL_CALL) {
- dest_vcpu = kvm_get_vcpu(vcpu->kvm, cpu_addr);
+ dest_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, cpu_addr);
BUG_ON(dest_vcpu == NULL);
kvm_s390_vcpu_wakeup(dest_vcpu);
diff --git a/arch/x86/include/uapi/asm/svm.h b/arch/x86/include/uapi/asm/svm.h
index b5d7640abc5d..8a4add8e4639 100644
--- a/arch/x86/include/uapi/asm/svm.h
+++ b/arch/x86/include/uapi/asm/svm.h
@@ -100,6 +100,7 @@
{ SVM_EXIT_EXCP_BASE + UD_VECTOR, "UD excp" }, \
{ SVM_EXIT_EXCP_BASE + PF_VECTOR, "PF excp" }, \
{ SVM_EXIT_EXCP_BASE + NM_VECTOR, "NM excp" }, \
+ { SVM_EXIT_EXCP_BASE + AC_VECTOR, "AC excp" }, \
{ SVM_EXIT_EXCP_BASE + MC_VECTOR, "MC excp" }, \
{ SVM_EXIT_INTR, "interrupt" }, \
{ SVM_EXIT_NMI, "nmi" }, \
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 205e0f3df501..5732326ec126 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -291,10 +291,9 @@ __setup("nosmap", setup_disable_smap);
static __always_inline void setup_smap(struct cpuinfo_x86 *c)
{
- unsigned long eflags;
+ unsigned long eflags = native_save_fl();
/* This should have been cleared long ago */
- raw_local_save_flags(eflags);
BUG_ON(eflags & X86_EFLAGS_AC);
if (cpu_has(c, X86_FEATURE_SMAP)) {
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 7e5da2cbe59e..174fa035a09a 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -65,6 +65,9 @@ startup_64:
* tables and then reload them.
*/
+ /* Sanitize CPU configuration */
+ call verify_cpu
+
/*
* Compute the delta between the address I am compiled to run at and the
* address I am actually running at.
@@ -174,6 +177,9 @@ ENTRY(secondary_startup_64)
* after the boot processor executes this code.
*/
+ /* Sanitize CPU configuration */
+ call verify_cpu
+
movq $(init_level4_pgt - __START_KERNEL_map), %rax
1:
@@ -288,6 +294,8 @@ ENTRY(secondary_startup_64)
pushq %rax # target address in negative space
lretq
+#include "verify_cpu.S"
+
#ifdef CONFIG_HOTPLUG_CPU
/*
* Boot CPU0 entry point. It's called from play_dead(). Everything has been set
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index d74ac33290ae..1473a02e6ccb 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1194,6 +1194,14 @@ void __init setup_arch(char **cmdline_p)
clone_pgd_range(initial_page_table + KERNEL_PGD_BOUNDARY,
swapper_pg_dir + KERNEL_PGD_BOUNDARY,
KERNEL_PGD_PTRS);
+
+ /*
+ * sync back low identity map too. It is used for example
+ * in the 32-bit EFI stub.
+ */
+ clone_pgd_range(initial_page_table,
+ swapper_pg_dir + KERNEL_PGD_BOUNDARY,
+ min(KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY));
#endif
tboot_probe();
diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S
index b9242bacbe59..4cf401f581e7 100644
--- a/arch/x86/kernel/verify_cpu.S
+++ b/arch/x86/kernel/verify_cpu.S
@@ -34,10 +34,11 @@
#include <asm/msr-index.h>
verify_cpu:
- pushfl # Save caller passed flags
- pushl $0 # Kill any dangerous flags
- popfl
+ pushf # Save caller passed flags
+ push $0 # Kill any dangerous flags
+ popf
+#ifndef __x86_64__
pushfl # standard way to check for cpuid
popl %eax
movl %eax,%ebx
@@ -48,6 +49,7 @@ verify_cpu:
popl %eax
cmpl %eax,%ebx
jz verify_cpu_no_longmode # cpu has no cpuid
+#endif
movl $0x0,%eax # See if cpuid 1 is implemented
cpuid
@@ -130,10 +132,10 @@ verify_cpu_sse_test:
jmp verify_cpu_sse_test # try again
verify_cpu_no_longmode:
- popfl # Restore caller passed flags
+ popf # Restore caller passed flags
movl $1,%eax
ret
verify_cpu_sse_ok:
- popfl # Restore caller passed flags
+ popf # Restore caller passed flags
xorl %eax, %eax
ret
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 67d07e051436..7dd9a8d3911a 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -339,6 +339,8 @@ void kvm_apic_update_irr(struct kvm_vcpu *vcpu, u32 *pir)
struct kvm_lapic *apic = vcpu->arch.apic;
__kvm_apic_update_irr(pir, apic->regs);
+
+ kvm_make_request(KVM_REQ_EVENT, vcpu);
}
EXPORT_SYMBOL_GPL(kvm_apic_update_irr);
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 7858cd9acfe4..454ccb082e18 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1105,6 +1105,7 @@ static void init_vmcb(struct vcpu_svm *svm)
set_exception_intercept(svm, PF_VECTOR);
set_exception_intercept(svm, UD_VECTOR);
set_exception_intercept(svm, MC_VECTOR);
+ set_exception_intercept(svm, AC_VECTOR);
set_intercept(svm, INTERCEPT_INTR);
set_intercept(svm, INTERCEPT_NMI);
@@ -1791,6 +1792,12 @@ static int ud_interception(struct vcpu_svm *svm)
return 1;
}
+static int ac_interception(struct vcpu_svm *svm)
+{
+ kvm_queue_exception_e(&svm->vcpu, AC_VECTOR, 0);
+ return 1;
+}
+
static void svm_fpu_activate(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
@@ -3361,6 +3368,7 @@ static int (*const svm_exit_handlers[])(struct vcpu_svm *svm) = {
[SVM_EXIT_EXCP_BASE + PF_VECTOR] = pf_interception,
[SVM_EXIT_EXCP_BASE + NM_VECTOR] = nm_interception,
[SVM_EXIT_EXCP_BASE + MC_VECTOR] = mc_interception,
+ [SVM_EXIT_EXCP_BASE + AC_VECTOR] = ac_interception,
[SVM_EXIT_INTR] = intr_interception,
[SVM_EXIT_NMI] = nmi_interception,
[SVM_EXIT_SMI] = nop_on_interception,
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index bc3041e1abbc..a243854c35d5 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1567,7 +1567,7 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu)
u32 eb;
eb = (1u << PF_VECTOR) | (1u << UD_VECTOR) | (1u << MC_VECTOR) |
- (1u << NM_VECTOR) | (1u << DB_VECTOR);
+ (1u << NM_VECTOR) | (1u << DB_VECTOR) | (1u << AC_VECTOR);
if ((vcpu->guest_debug &
(KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP)) ==
(KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP))
@@ -5127,6 +5127,9 @@ static int handle_exception(struct kvm_vcpu *vcpu)
return handle_rmode_exception(vcpu, ex_no, error_code);
switch (ex_no) {
+ case AC_VECTOR:
+ kvm_queue_exception_e(vcpu, AC_VECTOR, error_code);
+ return 1;
case DB_VECTOR:
dr6 = vmcs_readl(EXIT_QUALIFICATION);
if (!(vcpu->guest_debug &