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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/…
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…git/arm64/linux

Pull arm64 fixes from Will Deacon:

 - fix oops when patching in alternative sequences on big-endian CPUs

 - reconcile asm/perf_event.h after merge window fallout with KVM ARM

 - defconfig updates

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: defconfig: updates for 4.6
  arm64: perf: Move PMU register related defines to asm/perf_event.h
  arm64: opcodes.h: Add arm big-endian config options before including arm header
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torvalds committed Apr 1, 2016
2 parents 2708d17 + 431597b commit 4fff505
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Showing 7 changed files with 90 additions and 131 deletions.
28 changes: 20 additions & 8 deletions arch/arm64/configs/defconfig
Original file line number Diff line number Diff line change
Expand Up @@ -68,19 +68,20 @@ CONFIG_KSM=y
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_CMA=y
CONFIG_XEN=y
CONFIG_CMDLINE="console=ttyAMA0"
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_COMPAT=y
CONFIG_CPU_IDLE=y
CONFIG_ARM_CPUIDLE=y
CONFIG_CPU_FREQ=y
CONFIG_ARM_BIG_LITTLE_CPUFREQ=y
CONFIG_ARM_SCPI_CPUFREQ=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
# CONFIG_INET_LRO is not set
# CONFIG_IPV6 is not set
CONFIG_BPF_JIT=y
# CONFIG_WIRELESS is not set
Expand Down Expand Up @@ -144,16 +145,18 @@ CONFIG_SERIAL_XILINX_PS_UART_CONSOLE=y
CONFIG_SERIAL_MVEBU_UART=y
CONFIG_VIRTIO_CONSOLE=y
# CONFIG_HW_RANDOM is not set
CONFIG_I2C=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_DESIGNWARE_PLATFORM=y
CONFIG_I2C_MV64XXX=y
CONFIG_I2C_QUP=y
CONFIG_I2C_TEGRA=y
CONFIG_I2C_UNIPHIER_F=y
CONFIG_I2C_RCAR=y
CONFIG_SPI=y
CONFIG_SPI_PL022=y
CONFIG_SPI_QUP=y
CONFIG_SPMI=y
CONFIG_PINCTRL_SINGLE=y
CONFIG_PINCTRL_MSM8916=y
CONFIG_PINCTRL_QCOM_SPMI_PMIC=y
CONFIG_GPIO_SYSFS=y
Expand Down Expand Up @@ -196,6 +199,7 @@ CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_STORAGE=y
CONFIG_USB_DWC2=y
CONFIG_USB_CHIPIDEA=y
CONFIG_USB_CHIPIDEA_UDC=y
CONFIG_USB_CHIPIDEA_HOST=y
Expand All @@ -205,19 +209,20 @@ CONFIG_USB_MSM_OTG=y
CONFIG_USB_ULPI=y
CONFIG_USB_GADGET=y
CONFIG_MMC=y
CONFIG_MMC_BLOCK_MINORS=16
CONFIG_MMC_BLOCK_MINORS=32
CONFIG_MMC_ARMMMCI=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_SDHCI_TEGRA=y
CONFIG_MMC_SDHCI_MSM=y
CONFIG_MMC_SPI=y
CONFIG_MMC_SUNXI=y
CONFIG_MMC_DW=y
CONFIG_MMC_DW_EXYNOS=y
CONFIG_MMC_BLOCK_MINORS=16
CONFIG_MMC_DW_K3=y
CONFIG_MMC_SUNXI=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_GPIO=y
CONFIG_LEDS_SYSCON=y
CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
Expand All @@ -229,8 +234,8 @@ CONFIG_RTC_DRV_PL031=y
CONFIG_RTC_DRV_SUN6I=y
CONFIG_RTC_DRV_XGENE=y
CONFIG_DMADEVICES=y
CONFIG_QCOM_BAM_DMA=y
CONFIG_TEGRA20_APB_DMA=y
CONFIG_QCOM_BAM_DMA=y
CONFIG_RCAR_DMAC=y
CONFIG_VFIO=y
CONFIG_VFIO_PCI=y
Expand All @@ -239,20 +244,26 @@ CONFIG_VIRTIO_BALLOON=y
CONFIG_VIRTIO_MMIO=y
CONFIG_XEN_GNTDEV=y
CONFIG_XEN_GRANT_DEV_ALLOC=y
CONFIG_COMMON_CLK_SCPI=y
CONFIG_COMMON_CLK_CS2000_CP=y
CONFIG_COMMON_CLK_QCOM=y
CONFIG_MSM_GCC_8916=y
CONFIG_HWSPINLOCK_QCOM=y
CONFIG_MAILBOX=y
CONFIG_ARM_MHU=y
CONFIG_HI6220_MBOX=y
CONFIG_ARM_SMMU=y
CONFIG_QCOM_SMEM=y
CONFIG_QCOM_SMD=y
CONFIG_QCOM_SMD_RPM=y
CONFIG_ARCH_TEGRA_132_SOC=y
CONFIG_ARCH_TEGRA_210_SOC=y
CONFIG_HISILICON_IRQ_MBIGEN=y
CONFIG_EXTCON_USB_GPIO=y
CONFIG_COMMON_RESET_HI6220=y
CONFIG_PHY_RCAR_GEN3_USB2=y
CONFIG_PHY_HI6220_USB=y
CONFIG_PHY_XGENE=y
CONFIG_ARM_SCPI_PROTOCOL=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_FANOTIFY=y
Expand All @@ -264,6 +275,7 @@ CONFIG_CUSE=y
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y
CONFIG_HUGETLBFS=y
CONFIG_CONFIGFS_FS=y
CONFIG_EFIVAR_FS=y
CONFIG_SQUASHFS=y
CONFIG_NFS_FS=y
Expand Down
1 change: 0 additions & 1 deletion arch/arm64/include/asm/kvm_host.h
Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,6 @@
#include <asm/kvm.h>
#include <asm/kvm_asm.h>
#include <asm/kvm_mmio.h>
#include <asm/kvm_perf_event.h>

#define __KVM_HAVE_ARCH_INTC_INITIALIZED

Expand Down
1 change: 0 additions & 1 deletion arch/arm64/include/asm/kvm_hyp.h
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@
#include <linux/compiler.h>
#include <linux/kvm_host.h>
#include <asm/kvm_mmu.h>
#include <asm/kvm_perf_event.h>
#include <asm/sysreg.h>

#define __hyp_text __section(.hyp.text) notrace
Expand Down
68 changes: 0 additions & 68 deletions arch/arm64/include/asm/kvm_perf_event.h

This file was deleted.

4 changes: 4 additions & 0 deletions arch/arm64/include/asm/opcodes.h
Original file line number Diff line number Diff line change
@@ -1 +1,5 @@
#ifdef CONFIG_CPU_BIG_ENDIAN
#define CONFIG_CPU_ENDIAN_BE8 CONFIG_CPU_BIG_ENDIAN
#endif

#include <../../arm/include/asm/opcodes.h>
47 changes: 47 additions & 0 deletions arch/arm64/include/asm/perf_event.h
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,53 @@
#ifndef __ASM_PERF_EVENT_H
#define __ASM_PERF_EVENT_H

#define ARMV8_PMU_MAX_COUNTERS 32
#define ARMV8_PMU_COUNTER_MASK (ARMV8_PMU_MAX_COUNTERS - 1)

/*
* Per-CPU PMCR: config reg
*/
#define ARMV8_PMU_PMCR_E (1 << 0) /* Enable all counters */
#define ARMV8_PMU_PMCR_P (1 << 1) /* Reset all counters */
#define ARMV8_PMU_PMCR_C (1 << 2) /* Cycle counter reset */
#define ARMV8_PMU_PMCR_D (1 << 3) /* CCNT counts every 64th cpu cycle */
#define ARMV8_PMU_PMCR_X (1 << 4) /* Export to ETM */
#define ARMV8_PMU_PMCR_DP (1 << 5) /* Disable CCNT if non-invasive debug*/
#define ARMV8_PMU_PMCR_LC (1 << 6) /* Overflow on 64 bit cycle counter */
#define ARMV8_PMU_PMCR_N_SHIFT 11 /* Number of counters supported */
#define ARMV8_PMU_PMCR_N_MASK 0x1f
#define ARMV8_PMU_PMCR_MASK 0x7f /* Mask for writable bits */

/*
* PMOVSR: counters overflow flag status reg
*/
#define ARMV8_PMU_OVSR_MASK 0xffffffff /* Mask for writable bits */
#define ARMV8_PMU_OVERFLOWED_MASK ARMV8_PMU_OVSR_MASK

/*
* PMXEVTYPER: Event selection reg
*/
#define ARMV8_PMU_EVTYPE_MASK 0xc800ffff /* Mask for writable bits */
#define ARMV8_PMU_EVTYPE_EVENT 0xffff /* Mask for EVENT bits */

#define ARMV8_PMU_EVTYPE_EVENT_SW_INCR 0 /* Software increment event */

/*
* Event filters for PMUv3
*/
#define ARMV8_PMU_EXCLUDE_EL1 (1 << 31)
#define ARMV8_PMU_EXCLUDE_EL0 (1 << 30)
#define ARMV8_PMU_INCLUDE_EL2 (1 << 27)

/*
* PMUSERENR: user enable reg
*/
#define ARMV8_PMU_USERENR_MASK 0xf /* Mask for writable bits */
#define ARMV8_PMU_USERENR_EN (1 << 0) /* PMU regs can be accessed at EL0 */
#define ARMV8_PMU_USERENR_SW (1 << 1) /* PMSWINC can be written at EL0 */
#define ARMV8_PMU_USERENR_CR (1 << 2) /* Cycle counter can be read at EL0 */
#define ARMV8_PMU_USERENR_ER (1 << 3) /* Event counter can be read at EL0 */

#ifdef CONFIG_PERF_EVENTS
struct pt_regs;
extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
Expand Down
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