diff options
Diffstat (limited to 'arch/arm64')
38 files changed, 386 insertions, 114 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 6b1ebd964c10..b1f9a20a3677 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -2,6 +2,7 @@ config ARM64 def_bool y select ARCH_BINFMT_ELF_RANDOMIZE_PIE select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE + select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_SG_CHAIN select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_USE_CMPXCHG_LOCKREF @@ -13,7 +14,9 @@ config ARM64 select ARM_ARCH_TIMER select ARM_GIC select AUDIT_ARCH_COMPAT_GENERIC + select ARM_GIC_V2M if PCI_MSI select ARM_GIC_V3 + select ARM_GIC_V3_ITS if PCI_MSI select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS select COMMON_CLK diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 1c43cec971b5..066688863920 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -85,6 +85,7 @@ vdso_install: # We use MRPROPER_FILES and CLEAN_FILES now archclean: $(Q)$(MAKE) $(clean)=$(boot) + $(Q)$(MAKE) $(clean)=$(boot)/dts define archhelp echo '* Image.gz - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)' diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 3b8d427c3985..c62b0f4d9ef6 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -3,6 +3,4 @@ dts-dirs += apm dts-dirs += arm dts-dirs += cavium -always := $(dtb-y) subdir-y := $(dts-dirs) -clean-files := *.dtb diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts index cb3073e4e7a8..d429129ecb3d 100644 --- a/arch/arm64/boot/dts/arm/juno.dts +++ b/arch/arm64/boot/dts/arm/juno.dts @@ -22,7 +22,7 @@ }; chosen { - stdout-path = &soc_uart0; + stdout-path = "serial0:115200n8"; }; psci { diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index dd301be89ecc..5376d908eabe 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -1,6 +1,7 @@ # CONFIG_LOCALVERSION_AUTO is not set CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y CONFIG_AUDIT=y CONFIG_NO_HZ_IDLE=y CONFIG_HIGH_RES_TIMERS=y @@ -13,14 +14,12 @@ CONFIG_TASK_IO_ACCOUNTING=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 -CONFIG_RESOURCE_COUNTERS=y CONFIG_MEMCG=y CONFIG_MEMCG_SWAP=y CONFIG_MEMCG_KMEM=y CONFIG_CGROUP_HUGETLB=y # CONFIG_UTS_NS is not set # CONFIG_IPC_NS is not set -# CONFIG_PID_NS is not set # CONFIG_NET_NS is not set CONFIG_SCHED_AUTOGROUP=y CONFIG_BLK_DEV_INITRD=y @@ -92,7 +91,6 @@ CONFIG_SERIAL_AMBA_PL011_CONSOLE=y CONFIG_SERIAL_OF_PLATFORM=y CONFIG_VIRTIO_CONSOLE=y # CONFIG_HW_RANDOM is not set -# CONFIG_HMC_DRV is not set CONFIG_SPI=y CONFIG_SPI_PL022=y CONFIG_GPIO_PL061=y @@ -133,6 +131,8 @@ CONFIG_EXT3_FS=y CONFIG_EXT4_FS=y CONFIG_FANOTIFY=y CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y +CONFIG_QUOTA=y +CONFIG_AUTOFS4_FS=y CONFIG_FUSE_FS=y CONFIG_CUSE=y CONFIG_VFAT_FS=y @@ -152,14 +152,15 @@ CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y CONFIG_LOCKUP_DETECTOR=y # CONFIG_SCHED_DEBUG is not set +# CONFIG_DEBUG_PREEMPT is not set # CONFIG_FTRACE is not set +CONFIG_KEYS=y CONFIG_SECURITY=y CONFIG_CRYPTO_ANSI_CPRNG=y CONFIG_ARM64_CRYPTO=y CONFIG_CRYPTO_SHA1_ARM64_CE=y CONFIG_CRYPTO_SHA2_ARM64_CE=y CONFIG_CRYPTO_GHASH_ARM64_CE=y -CONFIG_CRYPTO_AES_ARM64_CE=y CONFIG_CRYPTO_AES_ARM64_CE_CCM=y CONFIG_CRYPTO_AES_ARM64_CE_BLK=y CONFIG_CRYPTO_AES_ARM64_NEON_BLK=y diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig index a38b02ce5f9a..2cf32e9887e1 100644 --- a/arch/arm64/crypto/Kconfig +++ b/arch/arm64/crypto/Kconfig @@ -49,4 +49,8 @@ config CRYPTO_AES_ARM64_NEON_BLK select CRYPTO_AES select CRYPTO_ABLK_HELPER +config CRYPTO_CRC32_ARM64 + tristate "CRC32 and CRC32C using optional ARMv8 instructions" + depends on ARM64 + select CRYPTO_HASH endif diff --git a/arch/arm64/crypto/Makefile b/arch/arm64/crypto/Makefile index a3f935fde975..5720608c50b1 100644 --- a/arch/arm64/crypto/Makefile +++ b/arch/arm64/crypto/Makefile @@ -34,5 +34,9 @@ AFLAGS_aes-neon.o := -DINTERLEAVE=4 CFLAGS_aes-glue-ce.o := -DUSE_V8_CRYPTO_EXTENSIONS +obj-$(CONFIG_CRYPTO_CRC32_ARM64) += crc32-arm64.o + +CFLAGS_crc32-arm64.o := -mcpu=generic+crc + $(obj)/aes-glue-%.o: $(src)/aes-glue.c FORCE $(call if_changed_rule,cc_o_c) diff --git a/arch/arm64/crypto/aes-ce-ccm-glue.c b/arch/arm64/crypto/aes-ce-ccm-glue.c index 0ac73b838fa3..6c348df5bf36 100644 --- a/arch/arm64/crypto/aes-ce-ccm-glue.c +++ b/arch/arm64/crypto/aes-ce-ccm-glue.c @@ -296,4 +296,4 @@ module_exit(aes_mod_exit); MODULE_DESCRIPTION("Synchronous AES in CCM mode using ARMv8 Crypto Extensions"); MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>"); MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("ccm(aes)"); +MODULE_ALIAS_CRYPTO("ccm(aes)"); diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c index 801aae32841f..b1b5b893eb20 100644 --- a/arch/arm64/crypto/aes-glue.c +++ b/arch/arm64/crypto/aes-glue.c @@ -44,10 +44,10 @@ MODULE_DESCRIPTION("AES-ECB/CBC/CTR/XTS using ARMv8 Crypto Extensions"); #define aes_xts_encrypt neon_aes_xts_encrypt #define aes_xts_decrypt neon_aes_xts_decrypt MODULE_DESCRIPTION("AES-ECB/CBC/CTR/XTS using ARMv8 NEON"); -MODULE_ALIAS("ecb(aes)"); -MODULE_ALIAS("cbc(aes)"); -MODULE_ALIAS("ctr(aes)"); -MODULE_ALIAS("xts(aes)"); +MODULE_ALIAS_CRYPTO("ecb(aes)"); +MODULE_ALIAS_CRYPTO("cbc(aes)"); +MODULE_ALIAS_CRYPTO("ctr(aes)"); +MODULE_ALIAS_CRYPTO("xts(aes)"); #endif MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>"); diff --git a/arch/arm64/crypto/crc32-arm64.c b/arch/arm64/crypto/crc32-arm64.c new file mode 100644 index 000000000000..9499199924ae --- /dev/null +++ b/arch/arm64/crypto/crc32-arm64.c @@ -0,0 +1,274 @@ +/* + * crc32-arm64.c - CRC32 and CRC32C using optional ARMv8 instructions + * + * Module based on crypto/crc32c_generic.c + * + * CRC32 loop taken from Ed Nevill's Hadoop CRC patch + * http://mail-archives.apache.org/mod_mbox/hadoop-common-dev/201406.mbox/%3C1403687030.3355.19.camel%40localhost.localdomain%3E + * + * Using inline assembly instead of intrinsics in order to be backwards + * compatible with older compilers. + * + * Copyright (C) 2014 Linaro Ltd <yazen.ghannam@linaro.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/unaligned/access_ok.h> +#include <linux/cpufeature.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/string.h> + +#include <crypto/internal/hash.h> + +MODULE_AUTHOR("Yazen Ghannam <yazen.ghannam@linaro.org>"); +MODULE_DESCRIPTION("CRC32 and CRC32C using optional ARMv8 instructions"); +MODULE_LICENSE("GPL v2"); + +#define CRC32X(crc, value) __asm__("crc32x %w[c], %w[c], %x[v]":[c]"+r"(crc):[v]"r"(value)) +#define CRC32W(crc, value) __asm__("crc32w %w[c], %w[c], %w[v]":[c]"+r"(crc):[v]"r"(value)) +#define CRC32H(crc, value) __asm__("crc32h %w[c], %w[c], %w[v]":[c]"+r"(crc):[v]"r"(value)) +#define CRC32B(crc, value) __asm__("crc32b %w[c], %w[c], %w[v]":[c]"+r"(crc):[v]"r"(value)) +#define CRC32CX(crc, value) __asm__("crc32cx %w[c], %w[c], %x[v]":[c]"+r"(crc):[v]"r"(value)) +#define CRC32CW(crc, value) __asm__("crc32cw %w[c], %w[c], %w[v]":[c]"+r"(crc):[v]"r"(value)) +#define CRC32CH(crc, value) __asm__("crc32ch %w[c], %w[c], %w[v]":[c]"+r"(crc):[v]"r"(value)) +#define CRC32CB(crc, value) __asm__("crc32cb %w[c], %w[c], %w[v]":[c]"+r"(crc):[v]"r"(value)) + +static u32 crc32_arm64_le_hw(u32 crc, const u8 *p, unsigned int len) +{ + s64 length = len; + + while ((length -= sizeof(u64)) >= 0) { + CRC32X(crc, get_unaligned_le64(p)); + p += sizeof(u64); + } + + /* The following is more efficient than the straight loop */ + if (length & sizeof(u32)) { + CRC32W(crc, get_unaligned_le32(p)); + p += sizeof(u32); + } + if (length & sizeof(u16)) { + CRC32H(crc, get_unaligned_le16(p)); + p += sizeof(u16); + } + if (length & sizeof(u8)) + CRC32B(crc, *p); + + return crc; +} + +static u32 crc32c_arm64_le_hw(u32 crc, const u8 *p, unsigned int len) +{ + s64 length = len; + + while ((length -= sizeof(u64)) >= 0) { + CRC32CX(crc, get_unaligned_le64(p)); + p += sizeof(u64); + } + + /* The following is more efficient than the straight loop */ + if (length & sizeof(u32)) { + CRC32CW(crc, get_unaligned_le32(p)); + p += sizeof(u32); + } + if (length & sizeof(u16)) { + CRC32CH(crc, get_unaligned_le16(p)); + p += sizeof(u16); + } + if (length & sizeof(u8)) + CRC32CB(crc, *p); + + return crc; +} + +#define CHKSUM_BLOCK_SIZE 1 +#define CHKSUM_DIGEST_SIZE 4 + +struct chksum_ctx { + u32 key; +}; + +struct chksum_desc_ctx { + u32 crc; +}; + +static int chksum_init(struct shash_desc *desc) +{ + struct chksum_ctx *mctx = crypto_shash_ctx(desc->tfm); + struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); + + ctx->crc = mctx->key; + + return 0; +} + +/* + * Setting the seed allows arbitrary accumulators and flexible XOR policy + * If your algorithm starts with ~0, then XOR with ~0 before you set + * the seed. + */ +static int chksum_setkey(struct crypto_shash *tfm, const u8 *key, + unsigned int keylen) +{ + struct chksum_ctx *mctx = crypto_shash_ctx(tfm); + + if (keylen != sizeof(mctx->key)) { + crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; + } + mctx->key = get_unaligned_le32(key); + return 0; +} + +static int chksum_update(struct shash_desc *desc, const u8 *data, + unsigned int length) +{ + struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); + + ctx->crc = crc32_arm64_le_hw(ctx->crc, data, length); + return 0; +} + +static int chksumc_update(struct shash_desc *desc, const u8 *data, + unsigned int length) +{ + struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); + + ctx->crc = crc32c_arm64_le_hw(ctx->crc, data, length); + return 0; +} + +static int chksum_final(struct shash_desc *desc, u8 *out) +{ + struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); + + put_unaligned_le32(~ctx->crc, out); + return 0; +} + +static int __chksum_finup(u32 crc, const u8 *data, unsigned int len, u8 *out) +{ + put_unaligned_le32(~crc32_arm64_le_hw(crc, data, len), out); + return 0; +} + +static int __chksumc_finup(u32 crc, const u8 *data, unsigned int len, u8 *out) +{ + put_unaligned_le32(~crc32c_arm64_le_hw(crc, data, len), out); + return 0; +} + +static int chksum_finup(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *out) +{ + struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); + + return __chksum_finup(ctx->crc, data, len, out); +} + +static int chksumc_finup(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *out) +{ + struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); + + return __chksumc_finup(ctx->crc, data, len, out); +} + +static int chksum_digest(struct shash_desc *desc, const u8 *data, + unsigned int length, u8 *out) +{ + struct chksum_ctx *mctx = crypto_shash_ctx(desc->tfm); + + return __chksum_finup(mctx->key, data, length, out); +} + +static int chksumc_digest(struct shash_desc *desc, const u8 *data, + unsigned int length, u8 *out) +{ + struct chksum_ctx *mctx = crypto_shash_ctx(desc->tfm); + + return __chksumc_finup(mctx->key, data, length, out); +} + +static int crc32_cra_init(struct crypto_tfm *tfm) +{ + struct chksum_ctx *mctx = crypto_tfm_ctx(tfm); + + mctx->key = ~0; + return 0; +} + +static struct shash_alg crc32_alg = { + .digestsize = CHKSUM_DIGEST_SIZE, + .setkey = chksum_setkey, + .init = chksum_init, + .update = chksum_update, + .final = chksum_final, + .finup = chksum_finup, + .digest = chksum_digest, + .descsize = sizeof(struct chksum_desc_ctx), + .base = { + .cra_name = "crc32", + .cra_driver_name = "crc32-arm64-hw", + .cra_priority = 300, + .cra_blocksize = CHKSUM_BLOCK_SIZE, + .cra_alignmask = 0, + .cra_ctxsize = sizeof(struct chksum_ctx), + .cra_module = THIS_MODULE, + .cra_init = crc32_cra_init, + } +}; + +static struct shash_alg crc32c_alg = { + .digestsize = CHKSUM_DIGEST_SIZE, + .setkey = chksum_setkey, + .init = chksum_init, + .update = chksumc_update, + .final = chksum_final, + .finup = chksumc_finup, + .digest = chksumc_digest, + .descsize = sizeof(struct chksum_desc_ctx), + .base = { + .cra_name = "crc32c", + .cra_driver_name = "crc32c-arm64-hw", + .cra_priority = 300, + .cra_blocksize = CHKSUM_BLOCK_SIZE, + .cra_alignmask = 0, + .cra_ctxsize = sizeof(struct chksum_ctx), + .cra_module = THIS_MODULE, + .cra_init = crc32_cra_init, + } +}; + +static int __init crc32_mod_init(void) +{ + int err; + + err = crypto_register_shash(&crc32_alg); + + if (err) + return err; + + err = crypto_register_shash(&crc32c_alg); + + if (err) { + crypto_unregister_shash(&crc32_alg); + return err; + } + + return 0; +} + +static void __exit crc32_mod_exit(void) +{ + crypto_unregister_shash(&crc32_alg); + crypto_unregister_shash(&crc32c_alg); +} + +module_cpu_feature_match(CRC32, crc32_mod_init); +module_exit(crc32_mod_exit); diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index dc770bd4f5a5..55103e50c51b 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -14,7 +14,6 @@ generic-y += early_ioremap.h generic-y += emergency-restart.h generic-y += errno.h generic-y += ftrace.h -generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h @@ -28,6 +27,7 @@ generic-y += local64.h generic-y += mcs_spinlock.h generic-y += mman.h generic-y += msgbuf.h +generic-y += msi.h generic-y += mutex.h generic-y += pci.h generic-y += pci-bridge.h diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h index b1fa4e614718..fbe0ca31a99c 100644 --- a/arch/arm64/include/asm/arch_timer.h +++ b/arch/arm64/include/asm/arch_timer.h @@ -21,6 +21,7 @@ #include <asm/barrier.h> +#include <linux/bug.h> #include <linux/init.h> #include <linux/types.h> diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 6389d60574d9..a5abb0062d6e 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -32,6 +32,9 @@ #define rmb() dsb(ld) #define wmb() dsb(st) +#define dma_rmb() dmb(oshld) +#define dma_wmb() dmb(oshst) + #ifndef CONFIG_SMP #define smp_mb() barrier() #define smp_rmb() barrier() diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h index ace70682499b..8e797b2fcc01 100644 --- a/arch/arm64/include/asm/cpu.h +++ b/arch/arm64/include/asm/cpu.h @@ -39,6 +39,7 @@ struct cpuinfo_arm64 { u64 reg_id_aa64pfr0; u64 reg_id_aa64pfr1; + u32 reg_id_dfr0; u32 reg_id_isar0; u32 reg_id_isar1; u32 reg_id_isar2; @@ -51,6 +52,10 @@ struct cpuinfo_arm64 { u32 reg_id_mmfr3; u32 reg_id_pfr0; u32 reg_id_pfr1; + + u32 reg_mvfr0; + u32 reg_mvfr1; + u32 reg_mvfr2; }; DECLARE_PER_CPU(struct cpuinfo_arm64, cpu_data); diff --git a/arch/arm64/include/asm/device.h b/arch/arm64/include/asm/device.h index cf98b362094b..243ef256b8c9 100644 --- a/arch/arm64/include/asm/device.h +++ b/arch/arm64/include/asm/device.h @@ -21,6 +21,7 @@ struct dev_archdata { #ifdef CONFIG_IOMMU_API void *iommu; /* private IOMMU data */ #endif + bool dma_coherent; }; struct pdev_archdata { diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h index adeae3f6f0fc..9ce3e680ae1c 100644 --- a/arch/arm64/include/asm/dma-mapping.h +++ b/arch/arm64/include/asm/dma-mapping.h @@ -52,12 +52,20 @@ static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops) dev->archdata.dma_ops = ops; } -static inline int set_arch_dma_coherent_ops(struct device *dev) +static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, + struct iommu_ops *iommu, bool coherent) { - set_dma_ops(dev, &coherent_swiotlb_dma_ops); - return 0; + dev->archdata.dma_coherent = coherent; + if (coherent) + set_dma_ops(dev, &coherent_swiotlb_dma_ops); +} +#define arch_setup_dma_ops arch_setup_dma_ops + +/* do not use this function in a driver */ +static inline bool is_device_dma_coherent(struct device *dev) +{ + return dev->archdata.dma_coherent; } -#define set_arch_dma_coherent_ops set_arch_dma_coherent_ops #include <asm-generic/dma-mapping-common.h> diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index 5674a55b5518..865a7e28ea2d 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -38,6 +38,13 @@ void kvm_inject_undefined(struct kvm_vcpu *vcpu); void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr); void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr); +static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu) +{ + vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS; + if (test_bit(KVM_ARM_VCPU_EL1_32BIT, vcpu->arch.features)) + vcpu->arch.hcr_el2 &= ~HCR_RW; +} + static inline unsigned long *vcpu_pc(const struct kvm_vcpu *vcpu) { return (unsigned long *)&vcpu_gp_regs(vcpu)->regs.pc; diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 2012c4ba8d67..0b7dfdb931df 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -165,8 +165,6 @@ struct kvm_vcpu_stat { u32 halt_wakeup; }; -int kvm_vcpu_set_target(struct kvm_vcpu *vcpu, - const struct kvm_vcpu_init *init); int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init); unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu); int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *indices); @@ -200,6 +198,7 @@ struct kvm_vcpu *kvm_arm_get_running_vcpu(void); struct kvm_vcpu * __percpu *kvm_get_running_vcpus(void); u64 kvm_call_hyp(void *hypfn, ...); +void force_vm_exit(const cpumask_t *mask); int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run, int exception_index); diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index 0caf7a59f6a1..14a74f136272 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -83,6 +83,7 @@ int create_hyp_io_mappings(void *from, void *to, phys_addr_t); void free_boot_hyp_pgd(void); void free_hyp_pgds(void); +void stage2_unmap_vm(struct kvm *kvm); int kvm_alloc_stage2_pgd(struct kvm *kvm); void kvm_free_stage2_pgd(struct kvm *kvm); int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa, @@ -243,9 +244,10 @@ static inline bool vcpu_has_cache_enabled(struct kvm_vcpu *vcpu) } static inline void coherent_cache_guest_page(struct kvm_vcpu *vcpu, hva_t hva, - unsigned long size) + unsigned long size, + bool ipa_uncached) { - if (!vcpu_has_cache_enabled(vcpu)) + if (!vcpu_has_cache_enabled(vcpu) || ipa_uncached) kvm_flush_dcache_to_poc((void *)hva, size); if (!icache_is_aliasing()) { /* PIPT */ diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 41a43bf26492..210d632aa5ad 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -279,6 +279,7 @@ void pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address, #endif /* CONFIG_HAVE_RCU_TABLE_FREE */ #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ +#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd)) #define pmd_young(pmd) pte_young(pmd_pte(pmd)) #define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd))) #define pmd_mksplitting(pmd) pte_pmd(pte_mkspecial(pmd_pte(pmd))) @@ -297,7 +298,6 @@ void pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address, #define pfn_pmd(pfn,prot) (__pmd(((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot))) #define mk_pmd(page,prot) pfn_pmd(page_to_pfn(page),prot) -#define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK)) #define pud_write(pud) pte_write(pud_pte(pud)) #define pud_pfn(pud) (((pud_val(pud) & PUD_MASK) & PHYS_MASK) >> PAGE_SHIFT) @@ -400,7 +400,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr) return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(addr); } -#define pud_page(pud) pmd_page(pud_pmd(pud)) +#define pud_page(pud) pfn_to_page(__phys_to_pfn(pud_val(pud) & PHYS_MASK)) #endif /* CONFIG_ARM64_PGTABLE_LEVELS > 2 */ @@ -436,6 +436,8 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long addr) return (pud_t *)pgd_page_vaddr(*pgd) + pud_index(addr); } +#define pgd_page(pgd) pfn_to_page(__phys_to_pfn(pgd_val(pgd) & PHYS_MASK)) + #endif /* CONFIG_ARM64_PGTABLE_LEVELS > 3 */ #define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd_val(pgd)) diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 286b1bec547c..f9be30ea1cbd 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -31,6 +31,7 @@ #include <asm/fpsimd.h> #include <asm/hw_breakpoint.h> +#include <asm/pgtable-hwdef.h> #include <asm/ptrace.h> #include <asm/types.h> @@ -123,9 +124,6 @@ struct task_struct; /* Free all resources held by a thread. */ extern void release_thread(struct task_struct *); -/* Prepare to copy thread state - unlazy all lazy status */ -#define prepare_to_copy(tsk) do { } while (0) - unsigned long get_wchan(struct task_struct *p); #define cpu_relax() barrier() diff --git a/arch/arm64/include/asm/spinlock.h b/arch/arm64/include/asm/spinlock.h index c45b7b1b7197..cee128732435 100644 --- a/arch/arm64/include/asm/spinlock.h +++ b/arch/arm64/include/asm/spinlock.h @@ -99,12 +99,12 @@ static inline int arch_spin_value_unlocked(arch_spinlock_t lock) static inline int arch_spin_is_locked(arch_spinlock_t *lock) { - return !arch_spin_value_unlocked(ACCESS_ONCE(*lock)); + return !arch_spin_value_unlocked(READ_ONCE(*lock)); } static inline int arch_spin_is_contended(arch_spinlock_t *lock) { - arch_spinlock_t lockval = ACCESS_ONCE(*lock); + arch_spinlock_t lockval = READ_ONCE(*lock); return (lockval.next - lockval.owner) > 1; } #define arch_spin_is_contended arch_spin_is_contended diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 49c9aefd24a5..23e9432ac112 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -44,7 +44,7 @@ #define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2) #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5) -#define __NR_compat_syscalls 386 +#define __NR_compat_syscalls 388 #endif #define __ARCH_WANT_SYS_CLONE diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index 8893cebcea5b..27224426e0bf 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -795,3 +795,5 @@ __SYSCALL(__NR_getrandom, sys_getrandom) __SYSCALL(__NR_memfd_create, sys_memfd_create) #define __NR_bpf 386 __SYSCALL(__NR_bpf, sys_bpf) +#define __NR_execveat 387 +__SYSCALL(__NR_execveat, compat_sys_execveat) diff --git a/arch/arm64/include/asm/xen/page-coherent.h b/arch/arm64/include/asm/xen/page-coherent.h index dde3fc9c49f0..2052102b4e02 100644 --- a/arch/arm64/include/asm/xen/page-coherent.h +++ b/arch/arm64/include/asm/xen/page-coherent.h @@ -1,43 +1 @@ -#ifndef _ASM_ARM64_XEN_PAGE_COHERENT_H -#define _ASM_ARM64_XEN_PAGE_COHERENT_H - -#include <asm/page.h> -#include <linux/dma-attrs.h> -#include <linux/dma-mapping.h> - -static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size, - dma_addr_t *dma_handle, gfp_t flags, - struct dma_attrs *attrs) -{ - return __generic_dma_ops(hwdev)->alloc(hwdev, size, dma_handle, flags, attrs); -} - -static inline void xen_free_coherent_pages(struct device *hwdev, size_t size, - void *cpu_addr, dma_addr_t dma_handle, - struct dma_attrs *attrs) -{ - __generic_dma_ops(hwdev)->free(hwdev, size, cpu_addr, dma_handle, attrs); -} - -static inline void xen_dma_map_page(struct device *hwdev, struct page *page, - unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) -{ -} - -static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle, - size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) -{ -} - -static inline void xen_dma_sync_single_for_cpu(struct device *hwdev, - dma_addr_t handle, size_t size, enum dma_data_direction dir) -{ -} - -static inline void xen_dma_sync_single_for_device(struct device *hwdev, - dma_addr_t handle, size_t size, enum dma_data_direction dir) -{ -} -#endif /* _ASM_ARM64_XEN_PAGE_COHERENT_H */ +#include <../../arm/include/asm/xen/page-coherent.h> diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 57b641747534..07d435cf2eea 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -147,6 +147,7 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur) * If we have AArch32, we care about 32-bit features for compat. These * registers should be RES0 otherwise. */ + diff |= CHECK(id_dfr0, boot, cur, cpu); diff |= CHECK(id_isar0, boot, cur, cpu); diff |= CHECK(id_isar1, boot, cur, cpu); diff |= CHECK(id_isar2, boot, cur, cpu); @@ -165,6 +166,10 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur) diff |= CHECK(id_pfr0, boot, cur, cpu); diff |= CHECK(id_pfr1, boot, cur, cpu); + diff |= CHECK(mvfr0, boot, cur, cpu); + diff |= CHECK(mvfr1, boot, cur, cpu); + diff |= CHECK(mvfr2, boot, cur, cpu); + /* * Mismatched CPU features are a recipe for disaster. Don't even * pretend to support them. @@ -189,6 +194,7 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info) info->reg_id_aa64pfr0 = read_cpuid(ID_AA64PFR0_EL1); info->reg_id_aa64pfr1 = read_cpuid(ID_AA64PFR1_EL1); + info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1); info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1); info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1); info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1); @@ -202,6 +208,10 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info) info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1); info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1); + info->reg_mvfr0 = read_cpuid(MVFR0_EL1); + info->reg_mvfr1 = read_cpuid(MVFR1_EL1); + info->reg_mvfr2 = read_cpuid(MVFR2_EL1); + cpuinfo_detect_icache_policy(info); check_local_cpu_errata(); diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index 6fac253bc783..2bb4347d0edf 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -326,6 +326,7 @@ void __init efi_idmap_init(void) /* boot time idmap_pg_dir is incomplete, so fill in missing parts */ efi_setup_idmap(); + early_memunmap(memmap.map, memmap.map_end - memmap.map); } static int __init remap_region(efi_memory_desc_t *md, void **new) @@ -380,7 +381,6 @@ static int __init arm64_enter_virtual_mode(void) } mapsize = memmap.map_end - memmap.map; - early_memunmap(memmap.map, mapsize); if (efi_runtime_disabled()) { pr_info("EFI runtime services will be disabled.\n"); diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c index fd027b101de5..9b6f71db2709 100644 --- a/arch/arm64/kernel/module.c +++ b/arch/arm64/kernel/module.c @@ -25,6 +25,7 @@ #include <linux/mm.h> #include <linux/moduleloader.h> #include <linux/vmalloc.h> +#include <asm/alternative.h> #include <asm/insn.h> #include <asm/sections.h> diff --git a/arch/arm64/kernel/perf_regs.c b/arch/arm64/kernel/perf_regs.c index 6762ad705587..3f62b35fb6f1 100644 --- a/arch/arm64/kernel/perf_regs.c +++ b/arch/arm64/kernel/perf_regs.c @@ -50,3 +50,11 @@ u64 perf_reg_abi(struct task_struct *task) else return PERF_SAMPLE_REGS_ABI_64; } + +void perf_get_regs_user(struct perf_regs *regs_user, + struct pt_regs *regs, + struct pt_regs *regs_user_copy) +{ + regs_user->regs = task_pt_regs(current); + regs_user->abi = perf_reg_abi(current); +} diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c index 663da771580a..f1dbca7d5c96 100644 --- a/arch/arm64/kernel/psci.c +++ b/arch/arm64/kernel/psci.c @@ -511,7 +511,7 @@ static int cpu_psci_cpu_kill(unsigned int cpu) static int psci_suspend_finisher(unsigned long index) { - struct psci_power_state *state = __get_cpu_var(psci_power_state); + struct psci_power_state *state = __this_cpu_read(psci_power_state); return psci_ops.cpu_suspend(state[index - 1], virt_to_phys(cpu_resume)); @@ -520,7 +520,7 @@ static int psci_suspend_finisher(unsigned long index) static int __maybe_unused cpu_psci_cpu_suspend(unsigned long index) { int ret; - struct psci_power_state *state = __get_cpu_var(psci_power_state); + struct psci_power_state *state = __this_cpu_read(psci_power_state); /* * idle state index 0 corresponds to wfi, should never be called * from the cpu_suspend operations @@ -540,6 +540,8 @@ const struct cpu_operations cpu_psci_ops = { .name = "psci", #ifdef CONFIG_CPU_IDLE .cpu_init_idle = cpu_psci_cpu_init_idle, +#endif +#ifdef CONFIG_ARM64_CPU_SUSPEND .cpu_suspend = cpu_psci_cpu_suspend, #endif #ifdef CONFIG_SMP diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index b80991166754..20fe2932ad0c 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -402,6 +402,7 @@ void __init setup_arch(char **cmdline_p) request_standard_resources(); efi_idmap_init(); + early_ioremap_reset(); unflatten_device_tree(); diff --git a/arch/arm64/kernel/smp_spin_table.c b/arch/arm64/kernel/smp_spin_table.c index 4f93c67e63de..14944e5b28da 100644 --- a/arch/arm64/kernel/smp_spin_table.c +++ b/arch/arm64/kernel/smp_spin_table.c @@ -25,6 +25,7 @@ #include <asm/cacheflush.h> #include <asm/cpu_ops.h> #include <asm/cputype.h> +#include <asm/io.h> #include <asm/smp_plat.h> extern void secondary_holding_pen(void); diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c index 3771b72b6569..2d6b6065fe7f 100644 --- a/arch/arm64/kernel/suspend.c +++ b/arch/arm64/kernel/suspend.c @@ -5,6 +5,7 @@ #include <asm/debug-monitors.h> #include <asm/pgtable.h> #include <asm/memory.h> +#include <asm/mmu_context.h> #include <asm/smp_plat.h> #include <asm/suspend.h> #include <asm/tlbflush.h> @@ -98,7 +99,18 @@ int __cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) */ ret = __cpu_suspend_enter(arg, fn); if (ret == 0) { - cpu_switch_mm(mm->pgd, mm); + /* + * We are resuming from reset with TTBR0_EL1 set to the + * idmap to enable the MMU; restore the active_mm mappings in + * TTBR0_EL1 unless the active_mm == &init_mm, in which case + * the thread entered __cpu_suspend with TTBR0_EL1 set to + * reserved TTBR0 page tables and should be restored as such. + */ + if (mm == &init_mm) + cpu_set_reserved_ttbr0(); + else + cpu_switch_mm(mm->pgd, mm); + flush_tlb_all(); /* diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 76794692c20b..9535bd555d1d 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -38,7 +38,6 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) { - vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS; return 0; } @@ -297,31 +296,6 @@ int __attribute_const__ kvm_target_cpu(void) return -EINVAL; } -int kvm_vcpu_set_target(struct kvm_vcpu *vcpu, - const struct kvm_vcpu_init *init) -{ - unsigned int i; - int phys_target = kvm_target_cpu(); - - if (init->target != phys_target) - return -EINVAL; - - vcpu->arch.target = phys_target; - bitmap_zero(vcpu->arch.features, KVM_VCPU_MAX_FEATURES); - - /* -ENOENT for unknown features, -EINVAL for invalid combinations. */ - for (i = 0; i < sizeof(init->features) * 8; i++) { - if (init->features[i / 32] & (1 << (i % 32))) { - if (i >= KVM_VCPU_MAX_FEATURES) - return -ENOENT; - set_bit(i, vcpu->arch.features); - } - } - - /* Now we know what it is, we can reset it. */ - return kvm_reset_vcpu(vcpu); -} - int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init) { int target = kvm_target_cpu(); diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index fbe909fb0a1a..c3ca89c27c6b 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -1014,6 +1014,7 @@ ENTRY(__kvm_tlb_flush_vmid_ipa) * Instead, we invalidate Stage-2 for this IPA, and the * whole of Stage-1. Weep... */ + lsr x1, x1, #12 tlbi ipas2e1is, x1 /* * We have to ensure completion of the invalidation at Stage-2, diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index 70a7816535cd..0b4326578985 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -90,7 +90,6 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) if (!cpu_has_32bit_el1()) return -EINVAL; cpu_reset = &default_regs_reset32; - vcpu->arch.hcr_el2 &= ~HCR_RW; } else { cpu_reset = &default_regs_reset; } diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c index bf69601be546..d54dc9ac4b70 100644 --- a/arch/arm64/mm/dump.c +++ b/arch/arm64/mm/dump.c @@ -15,6 +15,7 @@ */ #include <linux/debugfs.h> #include <linux/fs.h> +#include <linux/io.h> #include <linux/mm.h> #include <linux/sched.h> #include <linux/seq_file.h> @@ -182,9 +183,6 @@ static void note_page(struct pg_state *st, unsigned long addr, unsigned level, static const char units[] = "KMGTPE"; u64 prot = val & pg_level[level].mask; - if (addr < LOWEST_ADDR) - return; - if (!st->level) { st->level = level; st->current_prot = prot; @@ -272,7 +270,7 @@ static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start) static void walk_pgd(struct pg_state *st, struct mm_struct *mm, unsigned long start) { - pgd_t *pgd = pgd_offset(mm, 0); + pgd_t *pgd = pgd_offset(mm, 0UL); unsigned i; unsigned long addr; diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index bac492c12fcc..c95464a33f36 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -335,14 +335,8 @@ static int keep_initrd; void free_initrd_mem(unsigned long start, unsigned long end) { - if (!keep_initrd) { - if (start == initrd_start) - start = round_down(start, PAGE_SIZE); - if (end == initrd_end) - end = round_up(end, PAGE_SIZE); - + if (!keep_initrd) free_reserved_area((void *)start, (void *)end, 0, "initrd"); - } } static int __init keepinitrd_setup(char *__unused) |
