summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2014-06-03 23:32:12 -0700
committerDavid S. Miller <davem@davemloft.net>2014-06-03 23:32:12 -0700
commitc99f7abf0e69987e4add567e155e042cb1f2a20b (patch)
treed23898dc30ed25c1dae9bb6325041027d412397a /arch
parent92ff71b8fe9cd9c673615fc6f3870af7376d7c84 (diff)
parentd8b0426af5b67973585712c9af36b86f6ea97815 (diff)
downloadlinux-c99f7abf0e69987e4add567e155e042cb1f2a20b.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: include/net/inetpeer.h net/ipv6/output_core.c Changes in net were fixing bugs in code removed in net-next. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/armada-380.dtsi2
-rw-r--r--arch/arm/boot/dts/armada-385.dtsi4
-rw-r--r--arch/arm/boot/dts/at91sam9260.dtsi2
-rw-r--r--arch/arm/boot/dts/exynos4412-trats2.dts2
-rw-r--r--arch/arm/boot/dts/exynos5250-arndale.dts1
-rw-r--r--arch/arm/boot/dts/exynos5420-arndale-octa.dts12
-rw-r--r--arch/arm/boot/dts/exynos5420.dtsi24
-rw-r--r--arch/arm/common/bL_switcher.c10
-rw-r--r--arch/arm/configs/exynos_defconfig1
-rw-r--r--arch/arm/include/asm/trusted_foundations.h2
-rw-r--r--arch/arm/include/asm/uaccess.h3
-rw-r--r--arch/arm/kernel/entry-header.S4
-rw-r--r--arch/arm/kernel/unwind.c2
-rw-r--r--arch/arm/mach-at91/at91sam9260_devices.c8
-rw-r--r--arch/arm/mach-exynos/firmware.c15
-rw-r--r--arch/arm/mach-imx/devices/platform-ipu-core.c2
-rw-r--r--arch/arm/mach-mvebu/mvebu-soc-id.c13
-rw-r--r--arch/arm/mach-omap2/board-flash.c2
-rw-r--r--arch/arm/mach-omap2/cclock3xxx_data.c3
-rw-r--r--arch/arm/mach-omap2/cpuidle44xx.c25
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_54xx_data.c2
-rw-r--r--arch/arm/mm/proc-v7m.S8
-rw-r--r--arch/arm/plat-omap/dma.c10
-rw-r--r--arch/arm64/include/asm/pgtable.h2
-rw-r--r--arch/mips/Makefile2
-rw-r--r--arch/mips/include/asm/cpu-info.h4
-rw-r--r--arch/mips/include/uapi/asm/unistd.h6
-rw-r--r--arch/mips/kernel/branch.c8
-rw-r--r--arch/mips/kernel/ptrace.c14
-rw-r--r--arch/mips/kernel/traps.c4
-rw-r--r--arch/mips/loongson/common/cs5536/cs5536_mfgpt.c11
-rw-r--r--arch/mips/mm/page.c4
-rw-r--r--arch/mips/mti-malta/malta-memory.c2
-rw-r--r--arch/mips/pci/pci-rc32434.c1
-rw-r--r--arch/powerpc/Makefile4
-rw-r--r--arch/powerpc/include/asm/ppc_asm.h7
-rw-r--r--arch/powerpc/include/asm/sections.h11
-rw-r--r--arch/powerpc/include/asm/systbl.h1
-rw-r--r--arch/powerpc/include/asm/unistd.h2
-rw-r--r--arch/powerpc/include/uapi/asm/unistd.h1
-rw-r--r--arch/powerpc/kernel/kvm.c2
-rw-r--r--arch/powerpc/kernel/machine_kexec_64.c2
-rw-r--r--arch/powerpc/kvm/book3s.c6
-rw-r--r--arch/powerpc/kvm/book3s_hv_rm_mmu.c2
-rw-r--r--arch/powerpc/kvm/book3s_hv_rmhandlers.S104
-rw-r--r--arch/powerpc/kvm/book3s_pr.c6
-rw-r--r--arch/powerpc/mm/hash_utils_64.c4
-rw-r--r--arch/s390/kvm/kvm-s390.c1
-rw-r--r--arch/x86/include/asm/page_64_types.h2
-rw-r--r--arch/x86/kvm/vmx.c7
-rw-r--r--arch/x86/kvm/x86.c6
-rw-r--r--arch/x86/vdso/vdso32-setup.c3
52 files changed, 286 insertions, 100 deletions
diff --git a/arch/arm/boot/dts/armada-380.dtsi b/arch/arm/boot/dts/armada-380.dtsi
index 068031f0f263..6d0f03c98ee9 100644
--- a/arch/arm/boot/dts/armada-380.dtsi
+++ b/arch/arm/boot/dts/armada-380.dtsi
@@ -99,7 +99,7 @@
pcie@3,0 {
device_type = "pci";
assigned-addresses = <0x82000800 0 0x44000 0 0x2000>;
- reg = <0x1000 0 0 0 0>;
+ reg = <0x1800 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
diff --git a/arch/arm/boot/dts/armada-385.dtsi b/arch/arm/boot/dts/armada-385.dtsi
index e2919f02e1d4..da801964a257 100644
--- a/arch/arm/boot/dts/armada-385.dtsi
+++ b/arch/arm/boot/dts/armada-385.dtsi
@@ -110,7 +110,7 @@
pcie@3,0 {
device_type = "pci";
assigned-addresses = <0x82000800 0 0x44000 0 0x2000>;
- reg = <0x1000 0 0 0 0>;
+ reg = <0x1800 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
@@ -131,7 +131,7 @@
pcie@4,0 {
device_type = "pci";
assigned-addresses = <0x82000800 0 0x48000 0 0x2000>;
- reg = <0x1000 0 0 0 0>;
+ reg = <0x2000 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index 366fc2cbcd64..c0e0eae16a27 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -641,7 +641,7 @@
trigger@3 {
reg = <3>;
trigger-name = "external";
- trigger-value = <0x13>;
+ trigger-value = <0xd>;
trigger-external;
};
};
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 9583563dd0ef..8a558b7ac999 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -503,7 +503,7 @@
status = "okay";
ak8975@0c {
- compatible = "ak,ak8975";
+ compatible = "asahi-kasei,ak8975";
reg = <0x0c>;
gpios = <&gpj0 7 0>;
};
diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index 090f9830b129..cde19c818667 100644
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -107,6 +107,7 @@
regulator-name = "VDD_IOPERI_1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
+ regulator-always-on;
op_mode = <1>;
};
diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
index 80a3bf4c5986..896a2a6619e0 100644
--- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
+++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
@@ -364,16 +364,4 @@
gpio-key,wakeup;
};
};
-
- amba {
- mdma1: mdma@11C10000 {
- /*
- * MDMA1 can support both secure and non-secure
- * AXI transactions. When this is enabled in the kernel
- * for boards that run in secure mode, we are getting
- * imprecise external aborts causing the kernel to oops.
- */
- status = "disabled";
- };
- };
};
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index c3a9a66c5767..b69fbcb7dcb8 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -219,16 +219,6 @@
reg = <0x100440C0 0x20>;
};
- mau_pd: power-domain@100440E0 {
- compatible = "samsung,exynos4210-pd";
- reg = <0x100440E0 0x20>;
- };
-
- g2d_pd: power-domain@10044100 {
- compatible = "samsung,exynos4210-pd";
- reg = <0x10044100 0x20>;
- };
-
msc_pd: power-domain@10044120 {
compatible = "samsung,exynos4210-pd";
reg = <0x10044120 0x20>;
@@ -336,6 +326,13 @@
#dma-cells = <1>;
#dma-channels = <8>;
#dma-requests = <1>;
+ /*
+ * MDMA1 can support both secure and non-secure
+ * AXI transactions. When this is enabled in the kernel
+ * for boards that run in secure mode, we are getting
+ * imprecise external aborts causing the kernel to oops.
+ */
+ status = "disabled";
};
};
@@ -385,7 +382,7 @@
spi_0: spi@12d20000 {
compatible = "samsung,exynos4210-spi";
reg = <0x12d20000 0x100>;
- interrupts = <0 66 0>;
+ interrupts = <0 68 0>;
dmas = <&pdma0 5
&pdma0 4>;
dma-names = "tx", "rx";
@@ -401,7 +398,7 @@
spi_1: spi@12d30000 {
compatible = "samsung,exynos4210-spi";
reg = <0x12d30000 0x100>;
- interrupts = <0 67 0>;
+ interrupts = <0 69 0>;
dmas = <&pdma1 5
&pdma1 4>;
dma-names = "tx", "rx";
@@ -417,7 +414,7 @@
spi_2: spi@12d40000 {
compatible = "samsung,exynos4210-spi";
reg = <0x12d40000 0x100>;
- interrupts = <0 68 0>;
+ interrupts = <0 70 0>;
dmas = <&pdma0 7
&pdma0 6>;
dma-names = "tx", "rx";
@@ -730,6 +727,5 @@
interrupts = <0 112 0>;
clocks = <&clock 471>;
clock-names = "secss";
- samsung,power-domain = <&g2d_pd>;
};
};
diff --git a/arch/arm/common/bL_switcher.c b/arch/arm/common/bL_switcher.c
index f01c0ee0c87e..490f3dced749 100644
--- a/arch/arm/common/bL_switcher.c
+++ b/arch/arm/common/bL_switcher.c
@@ -433,8 +433,12 @@ static void bL_switcher_restore_cpus(void)
{
int i;
- for_each_cpu(i, &bL_switcher_removed_logical_cpus)
- cpu_up(i);
+ for_each_cpu(i, &bL_switcher_removed_logical_cpus) {
+ struct device *cpu_dev = get_cpu_device(i);
+ int ret = device_online(cpu_dev);
+ if (ret)
+ dev_err(cpu_dev, "switcher: unable to restore CPU\n");
+ }
}
static int bL_switcher_halve_cpus(void)
@@ -521,7 +525,7 @@ static int bL_switcher_halve_cpus(void)
continue;
}
- ret = cpu_down(i);
+ ret = device_offline(get_cpu_device(i));
if (ret) {
bL_switcher_restore_cpus();
return ret;
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 4ce7b70ea901..e07a227ec0db 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -65,6 +65,7 @@ CONFIG_TCG_TIS_I2C_INFINEON=y
CONFIG_I2C=y
CONFIG_I2C_MUX=y
CONFIG_I2C_ARB_GPIO_CHALLENGE=y
+CONFIG_I2C_EXYNOS5=y
CONFIG_I2C_S3C2410=y
CONFIG_DEBUG_GPIO=y
# CONFIG_HWMON is not set
diff --git a/arch/arm/include/asm/trusted_foundations.h b/arch/arm/include/asm/trusted_foundations.h
index b5f7705abcb0..624e1d436c6c 100644
--- a/arch/arm/include/asm/trusted_foundations.h
+++ b/arch/arm/include/asm/trusted_foundations.h
@@ -54,7 +54,9 @@ static inline void register_trusted_foundations(
*/
pr_err("No support for Trusted Foundations, continuing in degraded mode.\n");
pr_err("Secondary processors as well as CPU PM will be disabled.\n");
+#if IS_ENABLED(CONFIG_SMP)
setup_max_cpus = 0;
+#endif
cpu_idle_poll_ctrl(true);
}
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 12c3a5decc60..75d95799b6e6 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -171,8 +171,9 @@ extern int __put_user_8(void *, unsigned long long);
#define __put_user_check(x,p) \
({ \
unsigned long __limit = current_thread_info()->addr_limit - 1; \
+ const typeof(*(p)) __user *__tmp_p = (p); \
register const typeof(*(p)) __r2 asm("r2") = (x); \
- register const typeof(*(p)) __user *__p asm("r0") = (p);\
+ register const typeof(*(p)) __user *__p asm("r0") = __tmp_p; \
register unsigned long __l asm("r1") = __limit; \
register int __e asm("r0"); \
switch (sizeof(*(__p))) { \
diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
index 1420725142ca..efb208de75ec 100644
--- a/arch/arm/kernel/entry-header.S
+++ b/arch/arm/kernel/entry-header.S
@@ -132,6 +132,10 @@
orrne r5, V7M_xPSR_FRAMEPTRALIGN
biceq r5, V7M_xPSR_FRAMEPTRALIGN
+ @ ensure bit 0 is cleared in the PC, otherwise behaviour is
+ @ unpredictable
+ bic r4, #1
+
@ write basic exception frame
stmdb r2!, {r1, r3-r5}
ldmia sp, {r1, r3-r5}
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 3c217694ebec..cb791ac6a003 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -285,7 +285,7 @@ static int unwind_exec_pop_r4_to_rN(struct unwind_ctrl_block *ctrl,
if (unwind_pop_register(ctrl, &vsp, reg))
return -URC_FAILURE;
- if (insn & 0x80)
+ if (insn & 0x8)
if (unwind_pop_register(ctrl, &vsp, 14))
return -URC_FAILURE;
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index a0282928e9c1..7cd6f19945ed 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -1308,19 +1308,19 @@ static struct platform_device at91_adc_device = {
static struct at91_adc_trigger at91_adc_triggers[] = {
[0] = {
.name = "timer-counter-0",
- .value = AT91_ADC_TRGSEL_TC0 | AT91_ADC_TRGEN,
+ .value = 0x1,
},
[1] = {
.name = "timer-counter-1",
- .value = AT91_ADC_TRGSEL_TC1 | AT91_ADC_TRGEN,
+ .value = 0x3,
},
[2] = {
.name = "timer-counter-2",
- .value = AT91_ADC_TRGSEL_TC2 | AT91_ADC_TRGEN,
+ .value = 0x5,
},
[3] = {
.name = "external",
- .value = AT91_ADC_TRGSEL_EXTERNAL | AT91_ADC_TRGEN,
+ .value = 0xd,
.is_external = true,
},
};
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
index 932129ef26c6..aa01c4222b40 100644
--- a/arch/arm/mach-exynos/firmware.c
+++ b/arch/arm/mach-exynos/firmware.c
@@ -18,6 +18,8 @@
#include <mach/map.h>
+#include <plat/cpu.h>
+
#include "smc.h"
static int exynos_do_idle(void)
@@ -28,13 +30,24 @@ static int exynos_do_idle(void)
static int exynos_cpu_boot(int cpu)
{
+ /*
+ * The second parameter of SMC_CMD_CPU1BOOT command means CPU id.
+ * But, Exynos4212 has only one secondary CPU so second parameter
+ * isn't used for informing secure firmware about CPU id.
+ */
+ if (soc_is_exynos4212())
+ cpu = 0;
+
exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0);
return 0;
}
static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
{
- void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c + 4*cpu;
+ void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c;
+
+ if (!soc_is_exynos4212())
+ boot_reg += 4*cpu;
__raw_writel(boot_addr, boot_reg);
return 0;
diff --git a/arch/arm/mach-imx/devices/platform-ipu-core.c b/arch/arm/mach-imx/devices/platform-ipu-core.c
index fc4dd7cedc11..6bd7c3f37ac0 100644
--- a/arch/arm/mach-imx/devices/platform-ipu-core.c
+++ b/arch/arm/mach-imx/devices/platform-ipu-core.c
@@ -77,7 +77,7 @@ struct platform_device *__init imx_alloc_mx3_camera(
pdev = platform_device_alloc("mx3-camera", 0);
if (!pdev)
- goto err;
+ return ERR_PTR(-ENOMEM);
pdev->dev.dma_mask = kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL);
if (!pdev->dev.dma_mask)
diff --git a/arch/arm/mach-mvebu/mvebu-soc-id.c b/arch/arm/mach-mvebu/mvebu-soc-id.c
index f3d4cf53f746..09520e19b78e 100644
--- a/arch/arm/mach-mvebu/mvebu-soc-id.c
+++ b/arch/arm/mach-mvebu/mvebu-soc-id.c
@@ -108,7 +108,18 @@ static int __init mvebu_soc_id_init(void)
iounmap(pci_base);
res_ioremap:
- clk_disable_unprepare(clk);
+ /*
+ * If the PCIe unit is actually enabled and we have PCI
+ * support in the kernel, we intentionally do not release the
+ * reference to the clock. We want to keep it running since
+ * the bootloader does some PCIe link configuration that the
+ * kernel is for now unable to do, and gating the clock would
+ * make us loose this precious configuration.
+ */
+ if (!of_device_is_available(child) || !IS_ENABLED(CONFIG_PCI_MVEBU)) {
+ clk_disable_unprepare(clk);
+ clk_put(clk);
+ }
clk_err:
of_node_put(child);
diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c
index ac82512b9c8c..b6885e42c0a0 100644
--- a/arch/arm/mach-omap2/board-flash.c
+++ b/arch/arm/mach-omap2/board-flash.c
@@ -142,7 +142,7 @@ __init board_nand_init(struct mtd_partition *nand_parts, u8 nr_parts, u8 cs,
board_nand_data.nr_parts = nr_parts;
board_nand_data.devsize = nand_type;
- board_nand_data.ecc_opt = OMAP_ECC_BCH8_CODE_HW;
+ board_nand_data.ecc_opt = OMAP_ECC_HAM1_CODE_HW;
gpmc_nand_init(&board_nand_data, gpmc_t);
}
#endif /* CONFIG_MTD_NAND_OMAP2 || CONFIG_MTD_NAND_OMAP2_MODULE */
diff --git a/arch/arm/mach-omap2/cclock3xxx_data.c b/arch/arm/mach-omap2/cclock3xxx_data.c
index 8f5121b89688..eb8c75ec3b1a 100644
--- a/arch/arm/mach-omap2/cclock3xxx_data.c
+++ b/arch/arm/mach-omap2/cclock3xxx_data.c
@@ -456,7 +456,8 @@ static struct clk_hw_omap dpll4_m5x2_ck_hw = {
.clkdm_name = "dpll4_clkdm",
};
-DEFINE_STRUCT_CLK(dpll4_m5x2_ck, dpll4_m5x2_ck_parent_names, dpll4_m5x2_ck_ops);
+DEFINE_STRUCT_CLK_FLAGS(dpll4_m5x2_ck, dpll4_m5x2_ck_parent_names,
+ dpll4_m5x2_ck_ops, CLK_SET_RATE_PARENT);
static struct clk dpll4_m5x2_ck_3630 = {
.name = "dpll4_m5x2_ck",
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index 01fc710c8181..2498ab025fa2 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -14,6 +14,7 @@
#include <linux/cpuidle.h>
#include <linux/cpu_pm.h>
#include <linux/export.h>
+#include <linux/clockchips.h>
#include <asm/cpuidle.h>
#include <asm/proc-fns.h>
@@ -83,6 +84,7 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
{
struct idle_statedata *cx = state_ptr + index;
u32 mpuss_can_lose_context = 0;
+ int cpu_id = smp_processor_id();
/*
* CPU0 has to wait and stay ON until CPU1 is OFF state.
@@ -110,6 +112,8 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
mpuss_can_lose_context = (cx->mpu_state == PWRDM_POWER_RET) &&
(cx->mpu_logic_state == PWRDM_POWER_OFF);
+ clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu_id);
+
/*
* Call idle CPU PM enter notifier chain so that
* VFP and per CPU interrupt context is saved.
@@ -165,6 +169,8 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
if (dev->cpu == 0 && mpuss_can_lose_context)
cpu_cluster_pm_exit();
+ clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id);
+
fail:
cpuidle_coupled_parallel_barrier(dev, &abort_barrier);
cpu_done[dev->cpu] = false;
@@ -172,6 +178,16 @@ fail:
return index;
}
+/*
+ * For each cpu, setup the broadcast timer because local timers
+ * stops for the states above C1.
+ */
+static void omap_setup_broadcast_timer(void *arg)
+{
+ int cpu = smp_processor_id();
+ clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &cpu);
+}
+
static struct cpuidle_driver omap4_idle_driver = {
.name = "omap4_idle",
.owner = THIS_MODULE,
@@ -189,8 +205,7 @@ static struct cpuidle_driver omap4_idle_driver = {
/* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */
.exit_latency = 328 + 440,
.target_residency = 960,
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED |
- CPUIDLE_FLAG_TIMER_STOP,
+ .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED,
.enter = omap_enter_idle_coupled,
.name = "C2",
.desc = "CPUx OFF, MPUSS CSWR",
@@ -199,8 +214,7 @@ static struct cpuidle_driver omap4_idle_driver = {
/* C3 - CPU0 OFF + CPU1 OFF + MPU OSWR */
.exit_latency = 460 + 518,
.target_residency = 1100,
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED |
- CPUIDLE_FLAG_TIMER_STOP,
+ .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED,
.enter = omap_enter_idle_coupled,
.name = "C3",
.desc = "CPUx OFF, MPUSS OSWR",
@@ -231,5 +245,8 @@ int __init omap4_idle_init(void)
if (!cpu_clkdm[0] || !cpu_clkdm[1])
return -ENODEV;
+ /* Configure the broadcast timer on each cpu */
+ on_each_cpu(omap_setup_broadcast_timer, NULL, 1);
+
return cpuidle_register(&omap4_idle_driver, cpu_online_mask);
}
diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
index 892317294fdc..e829664e6a6c 100644
--- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
@@ -895,7 +895,7 @@ static struct omap_hwmod omap54xx_mcpdm_hwmod = {
* current exception.
*/
- .flags = HWMOD_EXT_OPT_MAIN_CLK,
+ .flags = HWMOD_EXT_OPT_MAIN_CLK | HWMOD_SWSUP_SIDLE,
.main_clk = "pad_clks_ck",
.prcm = {
.omap4 = {
diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S
index 0c93588fcb91..1ca37c72f12f 100644
--- a/arch/arm/mm/proc-v7m.S
+++ b/arch/arm/mm/proc-v7m.S
@@ -123,6 +123,11 @@ __v7m_setup:
mov pc, lr
ENDPROC(__v7m_setup)
+ .align 2
+__v7m_setup_stack:
+ .space 4 * 8 @ 8 registers
+__v7m_setup_stack_top:
+
define_processor_functions v7m, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1
.section ".rodata"
@@ -152,6 +157,3 @@ __v7m_proc_info:
.long nop_cache_fns @ proc_info_list.cache
.size __v7m_proc_info, . - __v7m_proc_info
-__v7m_setup_stack:
- .space 4 * 8 @ 8 registers
-__v7m_setup_stack_top:
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 5f5b975887fc..b5608b1f9fbd 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -70,6 +70,7 @@ static u32 errata;
static struct omap_dma_global_context_registers {
u32 dma_irqenable_l0;
+ u32 dma_irqenable_l1;
u32 dma_ocp_sysconfig;
u32 dma_gcr;
} omap_dma_global_context;
@@ -1973,10 +1974,17 @@ static struct irqaction omap24xx_dma_irq;
/*----------------------------------------------------------------------------*/
+/*
+ * Note that we are currently using only IRQENABLE_L0 and L1.
+ * As the DSP may be using IRQENABLE_L2 and L3, let's not
+ * touch those for now.
+ */
void omap_dma_global_context_save(void)
{
omap_dma_global_context.dma_irqenable_l0 =
p->dma_read(IRQENABLE_L0, 0);
+ omap_dma_global_context.dma_irqenable_l1 =
+ p->dma_read(IRQENABLE_L1, 0);
omap_dma_global_context.dma_ocp_sysconfig =
p->dma_read(OCP_SYSCONFIG, 0);
omap_dma_global_context.dma_gcr = p->dma_read(GCR, 0);
@@ -1991,6 +1999,8 @@ void omap_dma_global_context_restore(void)
OCP_SYSCONFIG, 0);
p->dma_write(omap_dma_global_context.dma_irqenable_l0,
IRQENABLE_L0, 0);
+ p->dma_write(omap_dma_global_context.dma_irqenable_l1,
+ IRQENABLE_L1, 0);
if (IS_DMA_ERRATA(DMA_ROMCODE_BUG))
p->dma_write(0x3 , IRQSTATUS_L0, 0);
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 90c811f05a2e..7b1c67a0b485 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -266,7 +266,7 @@ static inline pmd_t pte_pmd(pte_t pte)
#define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK))
-#define set_pmd_at(mm, addr, pmdp, pmd) set_pmd(pmdp, pmd)
+#define set_pmd_at(mm, addr, pmdp, pmd) set_pte_at(mm, addr, (pte_t *)pmdp, pmd_pte(pmd))
static inline int has_transparent_hugepage(void)
{
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 1a5b4032cb66..60a359cfa328 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -151,7 +151,7 @@ cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
-Wa,--trap
cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
-Wa,--trap
-cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
+cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1 -mno-mdmx -mno-mips3d,-march=r5000) \
-Wa,--trap
cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index dc2135be2a3a..ff2707ab3295 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -39,14 +39,14 @@ struct cache_desc {
#define MIPS_CACHE_PINDEX 0x00000020 /* Physically indexed cache */
struct cpuinfo_mips {
- unsigned int udelay_val;
- unsigned int asid_cache;
+ unsigned long asid_cache;
/*
* Capability and feature descriptor structure for MIPS CPU
*/
unsigned long options;
unsigned long ases;
+ unsigned int udelay_val;
unsigned int processor_id;
unsigned int fpu_id;
unsigned int msa_id;
diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h
index 2692abb28e36..5805414777e0 100644
--- a/arch/mips/include/uapi/asm/unistd.h
+++ b/arch/mips/include/uapi/asm/unistd.h
@@ -381,7 +381,7 @@
#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
#define __NR_O32_Linux 4000
-#define __NR_O32_Linux_syscalls 350
+#define __NR_O32_Linux_syscalls 351
#if _MIPS_SIM == _MIPS_SIM_ABI64
@@ -710,7 +710,7 @@
#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
#define __NR_64_Linux 5000
-#define __NR_64_Linux_syscalls 310
+#define __NR_64_Linux_syscalls 311
#if _MIPS_SIM == _MIPS_SIM_NABI32
@@ -1043,6 +1043,6 @@
#endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
#define __NR_N32_Linux 6000
-#define __NR_N32_Linux_syscalls 314
+#define __NR_N32_Linux_syscalls 315
#endif /* _UAPI_ASM_UNISTD_H */
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 4d78bf445a9c..76122ff5cb5e 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -317,7 +317,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
if (regs->regs[insn.i_format.rs] ==
regs->regs[insn.i_format.rt]) {
epc = epc + 4 + (insn.i_format.simmediate << 2);
- if (insn.i_format.rt == beql_op)
+ if (insn.i_format.opcode == beql_op)
ret = BRANCH_LIKELY_TAKEN;
} else
epc += 8;
@@ -329,7 +329,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
if (regs->regs[insn.i_format.rs] !=
regs->regs[insn.i_format.rt]) {
epc = epc + 4 + (insn.i_format.simmediate << 2);
- if (insn.i_format.rt == bnel_op)
+ if (insn.i_format.opcode == bnel_op)
ret = BRANCH_LIKELY_TAKEN;
} else
epc += 8;
@@ -341,7 +341,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
/* rt field assumed to be zero */
if ((long)regs->regs[insn.i_format.rs] <= 0) {
epc = epc + 4 + (insn.i_format.simmediate << 2);
- if (insn.i_format.rt == bnel_op)
+ if (insn.i_format.opcode == blezl_op)
ret = BRANCH_LIKELY_TAKEN;
} else
epc += 8;
@@ -353,7 +353,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
/* rt field assumed to be zero */
if ((long)regs->regs[insn.i_format.rs] > 0) {
epc = epc + 4 + (insn.i_format.simmediate << 2);
- if (insn.i_format.rt == bnel_op)
+ if (insn.i_format.opcode == bgtzl_op)
ret = BRANCH_LIKELY_TAKEN;
} else
epc += 8;
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 71f85f427034..f639ccd5060c 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -163,7 +163,7 @@ int ptrace_get_watch_regs(struct task_struct *child,
enum pt_watch_style style;
int i;
- if (!cpu_has_watch || current_cpu_data.watch_reg_use_cnt == 0)
+ if (!cpu_has_watch || boot_cpu_data.watch_reg_use_cnt == 0)
return -EIO;
if (!access_ok(VERIFY_WRITE, addr, sizeof(struct pt_watch_regs)))
return -EIO;
@@ -177,14 +177,14 @@ int ptrace_get_watch_regs(struct task_struct *child,
#endif
__put_user(style, &addr->style);
- __put_user(current_cpu_data.watch_reg_use_cnt,
+ __put_user(boot_cpu_data.watch_reg_use_cnt,
&addr->WATCH_STYLE.num_valid);
- for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) {
+ for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) {
__put_user(child->thread.watch.mips3264.watchlo[i],
&addr->WATCH_STYLE.watchlo[i]);
__put_user(child->thread.watch.mips3264.watchhi[i] & 0xfff,
&addr->WATCH_STYLE.watchhi[i]);
- __put_user(current_cpu_data.watch_reg_masks[i],
+ __put_user(boot_cpu_data.watch_reg_masks[i],
&addr->WATCH_STYLE.watch_masks[i]);
}
for (; i < 8; i++) {
@@ -204,12 +204,12 @@ int ptrace_set_watch_regs(struct task_struct *child,
unsigned long lt[NUM_WATCH_REGS];
u16 ht[NUM_WATCH_REGS];
- if (!cpu_has_watch || current_cpu_data.watch_reg_use_cnt == 0)
+ if (!cpu_has_watch || boot_cpu_data.watch_reg_use_cnt == 0)
return -EIO;
if (!access_ok(VERIFY_READ, addr, sizeof(struct pt_watch_regs)))
return -EIO;
/* Check the values. */
- for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) {
+ for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) {
__get_user(lt[i], &addr->WATCH_STYLE.watchlo[i]);
#ifdef CONFIG_32BIT
if (lt[i] & __UA_LIMIT)
@@ -228,7 +228,7 @@ int ptrace_set_watch_regs(struct task_struct *child,
return -EINVAL;
}
/* Install them. */
- for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) {
+ for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) {
if (lt[i] & 7)
watch_active = 1;
child->thread.watch.mips3264.watchlo[i] = lt[i];
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 074e857ced28..8119ac2fdfc9 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1545,7 +1545,7 @@ asmlinkage void cache_parity_error(void)
reg_val & (1<<30) ? "secondary" : "primary",
reg_val & (1<<31) ? "data" : "insn");
if (cpu_has_mips_r2 &&
- ((current_cpu_data.processor_id && 0xff0000) == PRID_COMP_MIPS)) {
+ ((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) {
pr_err("Error bits: %s%s%s%s%s%s%s%s\n",
reg_val & (1<<29) ? "ED " : "",
reg_val & (1<<28) ? "ET " : "",
@@ -1585,7 +1585,7 @@ asmlinkage void do_ftlb(void)
/* For the moment, report the problem and hang. */
if (cpu_has_mips_r2 &&
- ((current_cpu_data.processor_id && 0xff0000) == PRID_COMP_MIPS)) {
+ ((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) {
pr_err("FTLB error exception, cp0_ecc=0x%08x:\n",
read_c0_ecc());
pr_err("cp0_errorepc == %0*lx\n", field, read_c0_errorepc());
diff --git a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c
index c639b9db0012..12c75db23420 100644
--- a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c
+++ b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c
@@ -27,8 +27,7 @@
#include <cs5536/cs5536_mfgpt.h>
-DEFINE_SPINLOCK(mfgpt_lock);
-EXPORT_SYMBOL(mfgpt_lock);
+static DEFINE_RAW_SPINLOCK(mfgpt_lock);
static u32 mfgpt_base;
@@ -55,7 +54,7 @@ EXPORT_SYMBOL(enable_mfgpt0_counter);
static void init_mfgpt_timer(enum clock_event_mode mode,
struct clock_event_device *evt)
{
- spin_lock(&mfgpt_lock);
+ raw_spin_lock(&mfgpt_lock);
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
@@ -79,7 +78,7 @@ static void init_mfgpt_timer(enum clock_event_mode mode,
/* Nothing to do here */
break;
}
- spin_unlock(&mfgpt_lock);
+ raw_spin_unlock(&mfgpt_lock);
}
static struct clock_event_device mfgpt_clockevent = {
@@ -157,7 +156,7 @@ static cycle_t mfgpt_read(struct clocksource *cs)
static int old_count;
static u32 old_jifs;
- spin_lock_irqsave(&mfgpt_lock, flags);
+ raw_spin_lock_irqsave(&mfgpt_lock, flags);
/*
* Although our caller may have the read side of xtime_lock,
* this is now a seqlock, and we are cheating in this routine
@@ -191,7 +190,7 @@ static cycle_t mfgpt_read(struct clocksource *cs)
old_count = count;
old_jifs = jifs;
- spin_unlock_irqrestore(&mfgpt_lock, flags);
+ raw_spin_unlock_irqrestore(&mfgpt_lock, flags);
return (cycle_t) (jifs * COMPARE) + count;
}
diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c
index 58033c44690d..b611102e23b5 100644
--- a/arch/mips/mm/page.c
+++ b/arch/mips/mm/page.c
@@ -273,7 +273,7 @@ void build_clear_page(void)
uasm_i_ori(&buf, A2, A0, off);
if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
- uasm_i_lui(&buf, AT, 0xa000);
+ uasm_i_lui(&buf, AT, uasm_rel_hi(0xa0000000));
off = cache_line_size ? min(8, pref_bias_clear_store / cache_line_size)
* cache_line_size : 0;
@@ -424,7 +424,7 @@ void build_copy_page(void)
uasm_i_ori(&buf, A2, A0, off);
if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
- uasm_i_lui(&buf, AT, 0xa000);
+ uasm_i_lui(&buf, AT, uasm_rel_hi(0xa0000000));
off = cache_line_size ? min(8, pref_bias_copy_load / cache_line_size) *
cache_line_size : 0;
diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c
index 6d0f4ab3632d..f2364e419682 100644
--- a/arch/mips/mti-malta/malta-memory.c
+++ b/arch/mips/mti-malta/malta-memory.c
@@ -27,7 +27,7 @@ unsigned long physical_memsize = 0L;
fw_memblock_t * __init fw_getmdesc(int eva)
{
char *memsize_str, *ememsize_str __maybe_unused = NULL, *ptr;
- unsigned long memsize, ememsize __maybe_unused = 0;
+ unsigned long memsize = 0, ememsize __maybe_unused = 0;
static char cmdline[COMMAND_LINE_SIZE] __initdata;
int tmp;
diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c
index b128cb973ebe..7f6ce6d734c0 100644
--- a/arch/mips/pci/pci-rc32434.c
+++ b/arch/mips/pci/pci-rc32434.c
@@ -53,7 +53,6 @@ static struct resource rc32434_res_pci_mem1 = {
.start = 0x50000000,
.end = 0x5FFFFFFF,
.flags = IORESOURCE_MEM,
- .parent = &rc32434_res_pci_mem1,
.sibling = NULL,
.child = &rc32434_res_pci_mem2
};
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 4c0cedf4e2c7..ce4c68a4a823 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -150,7 +150,9 @@ endif
CFLAGS-$(CONFIG_TUNE_CELL) += $(call cc-option,-mtune=cell)
-KBUILD_CPPFLAGS += -Iarch/$(ARCH)
+asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1)
+
+KBUILD_CPPFLAGS += -Iarch/$(ARCH) $(asinstr)
KBUILD_AFLAGS += -Iarch/$(ARCH)
KBUILD_CFLAGS += -msoft-float -pipe -Iarch/$(ARCH) $(CFLAGS-y)
CPP = $(CC) -E $(KBUILD_CFLAGS)
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 6586a40a46ce..cded7c1278ef 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -318,11 +318,16 @@ n:
addi reg,reg,(name - 0b)@l;
#ifdef __powerpc64__
+#ifdef HAVE_AS_ATHIGH
+#define __AS_ATHIGH high
+#else
+#define __AS_ATHIGH h
+#endif
#define LOAD_REG_IMMEDIATE(reg,expr) \
lis reg,(expr)@highest; \
ori reg,reg,(expr)@higher; \
rldicr reg,reg,32,31; \
- oris reg,reg,(expr)@h; \
+ oris reg,reg,(expr)@__AS_ATHIGH; \
ori reg,reg,(expr)@l;
#define LOAD_REG_ADDR(reg,name) \
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index d0e784e0ff48..521790330672 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -39,6 +39,17 @@ static inline int overlaps_kernel_text(unsigned long start, unsigned long end)
(unsigned long)_stext < end;
}
+static inline int overlaps_kvm_tmp(unsigned long start, unsigned long end)
+{
+#ifdef CONFIG_KVM_GUEST
+ extern char kvm_tmp[];
+ return start < (unsigned long)kvm_tmp &&
+ (unsigned long)&kvm_tmp[1024 * 1024] < end;
+#else
+ return 0;
+#endif
+}
+
#undef dereference_function_descriptor
static inline void *dereference_function_descriptor(void *ptr)
{
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 3ddf70276706..ea4dc3a89c1f 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -361,3 +361,4 @@ SYSCALL(finit_module)
SYSCALL(ni_syscall) /* sys_kcmp */
SYSCALL_SPU(sched_setattr)
SYSCALL_SPU(sched_getattr)
+SYSCALL_SPU(renameat2)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 4494f029b632..9b892bbd9d84 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
#include <uapi/asm/unistd.h>
-#define __NR_syscalls 357
+#define __NR_syscalls 358
#define __NR__exit __NR_exit
#define NR_syscalls __NR_syscalls
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index 881bf2e2560d..2d526f7b48da 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -379,5 +379,6 @@
#define __NR_kcmp 354
#define __NR_sched_setattr 355
#define __NR_sched_getattr 356
+#define __NR_renameat2 357
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index 6a0175297b0d..dd8695f6cb6d 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -74,7 +74,7 @@
#define KVM_INST_MTSRIN 0x7c0001e4
static bool kvm_patching_worked = true;
-static char kvm_tmp[1024 * 1024];
+char kvm_tmp[1024 * 1024];
static int kvm_tmp_index;
static inline void kvm_patch_ins(u32 *inst, u32 new_inst)
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index 59d229a2a3e0..879b3aacac32 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -237,7 +237,7 @@ static void wake_offline_cpus(void)
if (!cpu_online(cpu)) {
printk(KERN_INFO "kexec: Waking offline cpu %d.\n",
cpu);
- cpu_up(cpu);
+ WARN_ON(cpu_up(cpu));
}
}
}
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 94e597e6f15c..7af190a266b3 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -886,7 +886,7 @@ static int kvmppc_book3s_init(void)
r = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
if (r)
return r;
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
r = kvmppc_book3s_init_pr();
#endif
return r;
@@ -895,7 +895,7 @@ static int kvmppc_book3s_init(void)
static void kvmppc_book3s_exit(void)
{
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
kvmppc_book3s_exit_pr();
#endif
kvm_exit();
@@ -905,7 +905,7 @@ module_init(kvmppc_book3s_init);
module_exit(kvmppc_book3s_exit);
/* On 32bit this is our one and only kernel module */
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
MODULE_ALIAS_MISCDEV(KVM_MINOR);
MODULE_ALIAS("devname:kvm");
#endif
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
index 1d6c56ad5b60..8fcc36306a02 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
@@ -234,7 +234,7 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
pte_size = psize;
pte = lookup_linux_pte_and_update(pgdir, hva, writing,
&pte_size);
- if (pte_present(pte)) {
+ if (pte_present(pte) && !pte_numa(pte)) {
if (writing && !pte_write(pte))
/* make the actual HPTE be read-only */
ptel = hpte_make_readonly(ptel);
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index b031f932c0cc..07c8b5b0f9d2 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1323,6 +1323,110 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
mr r3, r9
bl kvmppc_save_fp
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+BEGIN_FTR_SECTION
+ b 2f
+END_FTR_SECTION_IFCLR(CPU_FTR_TM)
+ /* Turn on TM. */
+ mfmsr r8
+ li r0, 1
+ rldimi r8, r0, MSR_TM_LG, 63-MSR_TM_LG
+ mtmsrd r8
+
+ ld r5, VCPU_MSR(r9)
+ rldicl. r5, r5, 64 - MSR_TS_S_LG, 62
+ beq 1f /* TM not active in guest. */
+
+ li r3, TM_CAUSE_KVM_RESCHED
+
+ /* Clear the MSR RI since r1, r13 are all going to be foobar. */
+ li r5, 0
+ mtmsrd r5, 1
+
+ /* All GPRs are volatile at this point. */
+ TRECLAIM(R3)
+
+ /* Temporarily store r13 and r9 so we have some regs to play with */
+ SET_SCRATCH0(r13)
+ GET_PACA(r13)
+ std r9, PACATMSCRATCH(r13)
+ ld r9, HSTATE_KVM_VCPU(r13)
+
+ /* Get a few more GPRs free. */
+ std r29, VCPU_GPRS_TM(29)(r9)
+ std r30, VCPU_GPRS_TM(30)(r9)
+ std r31, VCPU_GPRS_TM(31)(r9)
+
+ /* Save away PPR and DSCR soon so don't run with user values. */
+ mfspr r31, SPRN_PPR
+ HMT_MEDIUM
+ mfspr r30, SPRN_DSCR
+ ld r29, HSTATE_DSCR(r13)
+ mtspr SPRN_DSCR, r29
+
+ /* Save all but r9, r13 & r29-r31 */
+ reg = 0
+ .rept 29
+ .if (reg != 9) && (reg != 13)
+ std reg, VCPU_GPRS_TM(reg)(r9)
+ .endif
+ reg = reg + 1
+ .endr
+ /* ... now save r13 */
+ GET_SCRATCH0(r4)
+ std r4, VCPU_GPRS_TM(13)(r9)
+ /* ... and save r9 */
+ ld r4, PACATMSCRATCH(r13)
+ std r4, VCPU_GPRS_TM(9)(r9)
+
+ /* Reload stack pointer and TOC. */
+ ld r1, HSTATE_HOST_R1(r13)
+ ld r2, PACATOC(r13)
+
+ /* Set MSR RI now we have r1 and r13 back. */
+ li r5, MSR_RI
+ mtmsrd r5, 1
+
+ /* Save away checkpinted SPRs. */
+ std r31, VCPU_PPR_TM(r9)
+ std r30, VCPU_DSCR_TM(r9)
+ mflr r5
+ mfcr r6
+ mfctr r7
+ mfspr r8, SPRN_AMR
+ mfspr r10, SPRN_TAR
+ std r5, VCPU_LR_TM(r9)
+ stw r6, VCPU_CR_TM(r9)
+ std r7, VCPU_CTR_TM(r9)
+ std r8, VCPU_AMR_TM(r9)
+ std r10, VCPU_TAR_TM(r9)
+
+ /* Restore r12 as trap number. */
+ lwz r12, VCPU_TRAP(r9)
+
+ /* Save FP/VSX. */
+ addi r3, r9, VCPU_FPRS_TM
+ bl .store_fp_state
+ addi r3, r9, VCPU_VRS_TM
+ bl .store_vr_state
+ mfspr r6, SPRN_VRSAVE
+ stw r6, VCPU_VRSAVE_TM(r9)
+1:
+ /*
+ * We need to save these SPRs after the treclaim so that the software
+ * error code is recorded correctly in the TEXASR. Also the user may
+ * change these outside of a transaction, so they must always be
+ * context switched.
+ */
+ mfspr r5, SPRN_TFHAR
+ mfspr r6, SPRN_TFIAR
+ mfspr r7, SPRN_TEXASR
+ std r5, VCPU_TFHAR(r9)
+ std r6, VCPU_TFIAR(r9)
+ std r7, VCPU_TEXASR(r9)
+2:
+#endif
+
/* Increment yield count if they have a VPA */
ld r8, VCPU_VPA(r9) /* do they have a VPA? */
cmpdi r8, 0
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index c5c052a9729c..02f1defd8bb9 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -1153,7 +1153,7 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_pr(struct kvm *kvm,
goto free_vcpu;
vcpu->arch.book3s = vcpu_book3s;
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
vcpu->arch.shadow_vcpu =
kzalloc(sizeof(*vcpu->arch.shadow_vcpu), GFP_KERNEL);
if (!vcpu->arch.shadow_vcpu)
@@ -1198,7 +1198,7 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_pr(struct kvm *kvm,
uninit_vcpu:
kvm_vcpu_uninit(vcpu);
free_shadow_vcpu:
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
kfree(vcpu->arch.shadow_vcpu);
free_vcpu3s:
#endif
@@ -1215,7 +1215,7 @@ static void kvmppc_core_vcpu_free_pr(struct kvm_vcpu *vcpu)
free_page((unsigned long)vcpu->arch.shared & PAGE_MASK);
kvm_vcpu_uninit(vcpu);
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
kfree(vcpu->arch.shadow_vcpu);
#endif
vfree(vcpu_book3s);
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index d766d6ee33fe..06ba83b036d3 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -207,6 +207,10 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
if (overlaps_kernel_text(vaddr, vaddr + step))
tprot &= ~HPTE_R_N;
+ /* Make kvm guest trampolines executable */
+ if (overlaps_kvm_tmp(vaddr, vaddr + step))
+ tprot &= ~HPTE_R_N;
+
/*
* If relocatable, check if it overlaps interrupt vectors that
* are copied down to real 0. For relocatable kernel
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index b3ecb8f5b6ce..9ae6664ff08c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -158,6 +158,7 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_ONE_REG:
case KVM_CAP_ENABLE_CAP:
case KVM_CAP_S390_CSS_SUPPORT:
+ case KVM_CAP_IRQFD:
case KVM_CAP_IOEVENTFD:
case KVM_CAP_DEVICE_CTRL:
case KVM_CAP_ENABLE_CAP_VM:
diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
index 8de6d9cf3b95..678205195ae1 100644
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -1,7 +1,7 @@
#ifndef _ASM_X86_PAGE_64_DEFS_H
#define _ASM_X86_PAGE_64_DEFS_H
-#define THREAD_SIZE_ORDER 1
+#define THREAD_SIZE_ORDER 2
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
#define CURRENT_MASK (~(THREAD_SIZE - 1))
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 33e8c028842f..138ceffc6377 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7778,7 +7778,8 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
exec_control = vmcs12->pin_based_vm_exec_control;
exec_control |= vmcs_config.pin_based_exec_ctrl;
- exec_control &= ~PIN_BASED_VMX_PREEMPTION_TIMER;
+ exec_control &= ~(PIN_BASED_VMX_PREEMPTION_TIMER |
+ PIN_BASED_POSTED_INTR);
vmcs_write32(PIN_BASED_VM_EXEC_CONTROL, exec_control);
vmx->nested.preemption_timer_expired = false;
@@ -7815,7 +7816,9 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
if (!vmx->rdtscp_enabled)
exec_control &= ~SECONDARY_EXEC_RDTSCP;
/* Take the following fields only from vmcs12 */
- exec_control &= ~SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES;
+ exec_control &= ~(SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
+ SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY |
+ SECONDARY_EXEC_APIC_REGISTER_VIRT);
if (nested_cpu_has(vmcs12,
CPU_BASED_ACTIVATE_SECONDARY_CONTROLS))
exec_control |= vmcs12->secondary_vm_exec_control;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index b6c0bacca9bd..20316c67b824 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -106,6 +106,8 @@ EXPORT_SYMBOL_GPL(kvm_max_guest_tsc_khz);
static u32 tsc_tolerance_ppm = 250;
module_param(tsc_tolerance_ppm, uint, S_IRUGO | S_IWUSR);
+static bool backwards_tsc_observed = false;
+
#define KVM_NR_SHARED_MSRS 16
struct kvm_shared_msrs_global {
@@ -1486,7 +1488,8 @@ static void pvclock_update_vm_gtod_copy(struct kvm *kvm)
&ka->master_kernel_ns,
&ka->master_cycle_now);
- ka->use_master_clock = host_tsc_clocksource & vcpus_matched;
+ ka->use_master_clock = host_tsc_clocksource && vcpus_matched
+ && !backwards_tsc_observed;
if (ka->use_master_clock)
atomic_set(&kvm_guest_has_master_clock, 1);
@@ -6945,6 +6948,7 @@ int kvm_arch_hardware_enable(void *garbage)
*/
if (backwards_tsc) {
u64 delta_cyc = max_tsc - local_tsc;
+ backwards_tsc_observed = true;
list_for_each_entry(kvm, &vm_list, vm_list) {
kvm_for_each_vcpu(i, vcpu, kvm) {
vcpu->arch.tsc_offset_adjustment += delta_cyc;
diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
index e1f220e3ca68..310c5f0dbef1 100644
--- a/arch/x86/vdso/vdso32-setup.c
+++ b/arch/x86/vdso/vdso32-setup.c
@@ -155,6 +155,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
unsigned long addr;
int ret = 0;
struct vm_area_struct *vma;
+ static struct page *no_pages[] = {NULL};
#ifdef CONFIG_X86_X32_ABI
if (test_thread_flag(TIF_X32))
@@ -193,7 +194,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
addr - VDSO_OFFSET(VDSO_PREV_PAGES),
VDSO_OFFSET(VDSO_PREV_PAGES),
VM_READ,
- NULL);
+ no_pages);
if (IS_ERR(vma)) {
ret = PTR_ERR(vma);