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Re: [PATCH v2 09/18] linux-headers: Update to v6.4-rc1
|
From: |
Alistair Francis |
|
Subject: |
Re: [PATCH v2 09/18] linux-headers: Update to v6.4-rc1 |
|
Date: |
Thu, 22 Jun 2023 11:18:19 +1000 |
On Wed, Jun 14, 2023 at 7:02 AM Daniel Henrique Barboza
<dbarboza@ventanamicro.com> wrote:
>
> Update to commit ac9a78681b92 ("Linux 6.4-rc1").
>
> Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> include/standard-headers/linux/const.h | 2 +-
> include/standard-headers/linux/virtio_blk.h | 18 +++----
> .../standard-headers/linux/virtio_config.h | 6 +++
> include/standard-headers/linux/virtio_net.h | 1 +
> linux-headers/asm-arm64/kvm.h | 33 ++++++++++++
> linux-headers/asm-riscv/kvm.h | 53 ++++++++++++++++++-
> linux-headers/asm-riscv/unistd.h | 9 ++++
> linux-headers/asm-s390/unistd_32.h | 1 +
> linux-headers/asm-s390/unistd_64.h | 1 +
> linux-headers/asm-x86/kvm.h | 3 ++
> linux-headers/linux/const.h | 2 +-
> linux-headers/linux/kvm.h | 12 +++--
> linux-headers/linux/psp-sev.h | 7 +++
> linux-headers/linux/userfaultfd.h | 17 +++++-
> 14 files changed, 149 insertions(+), 16 deletions(-)
>
> diff --git a/include/standard-headers/linux/const.h
> b/include/standard-headers/linux/const.h
> index 5e48987251..1eb84b5087 100644
> --- a/include/standard-headers/linux/const.h
> +++ b/include/standard-headers/linux/const.h
> @@ -28,7 +28,7 @@
> #define _BITUL(x) (_UL(1) << (x))
> #define _BITULL(x) (_ULL(1) << (x))
>
> -#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a)
> - 1)
> +#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x,
> (__typeof__(x))(a) - 1)
> #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
>
> #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
> diff --git a/include/standard-headers/linux/virtio_blk.h
> b/include/standard-headers/linux/virtio_blk.h
> index 7155b1a470..d7be3cf5e4 100644
> --- a/include/standard-headers/linux/virtio_blk.h
> +++ b/include/standard-headers/linux/virtio_blk.h
> @@ -138,11 +138,11 @@ struct virtio_blk_config {
>
> /* Zoned block device characteristics (if VIRTIO_BLK_F_ZONED) */
> struct virtio_blk_zoned_characteristics {
> - uint32_t zone_sectors;
> - uint32_t max_open_zones;
> - uint32_t max_active_zones;
> - uint32_t max_append_sectors;
> - uint32_t write_granularity;
> + __virtio32 zone_sectors;
> + __virtio32 max_open_zones;
> + __virtio32 max_active_zones;
> + __virtio32 max_append_sectors;
> + __virtio32 write_granularity;
> uint8_t model;
> uint8_t unused2[3];
> } zoned;
> @@ -239,11 +239,11 @@ struct virtio_blk_outhdr {
> */
> struct virtio_blk_zone_descriptor {
> /* Zone capacity */
> - uint64_t z_cap;
> + __virtio64 z_cap;
> /* The starting sector of the zone */
> - uint64_t z_start;
> + __virtio64 z_start;
> /* Zone write pointer position in sectors */
> - uint64_t z_wp;
> + __virtio64 z_wp;
> /* Zone type */
> uint8_t z_type;
> /* Zone state */
> @@ -252,7 +252,7 @@ struct virtio_blk_zone_descriptor {
> };
>
> struct virtio_blk_zone_report {
> - uint64_t nr_zones;
> + __virtio64 nr_zones;
> uint8_t reserved[56];
> struct virtio_blk_zone_descriptor zones[];
> };
> diff --git a/include/standard-headers/linux/virtio_config.h
> b/include/standard-headers/linux/virtio_config.h
> index 965ee6ae23..8a7d0dc8b0 100644
> --- a/include/standard-headers/linux/virtio_config.h
> +++ b/include/standard-headers/linux/virtio_config.h
> @@ -97,6 +97,12 @@
> */
> #define VIRTIO_F_SR_IOV 37
>
> +/*
> + * This feature indicates that the driver passes extra data (besides
> + * identifying the virtqueue) in its device notifications.
> + */
> +#define VIRTIO_F_NOTIFICATION_DATA 38
> +
> /*
> * This feature indicates that the driver can reset a queue individually.
> */
> diff --git a/include/standard-headers/linux/virtio_net.h
> b/include/standard-headers/linux/virtio_net.h
> index c0e797067a..2325485f2c 100644
> --- a/include/standard-headers/linux/virtio_net.h
> +++ b/include/standard-headers/linux/virtio_net.h
> @@ -61,6 +61,7 @@
> #define VIRTIO_NET_F_GUEST_USO6 55 /* Guest can handle USOv6 in.
> */
> #define VIRTIO_NET_F_HOST_USO 56 /* Host can handle USO in. */
> #define VIRTIO_NET_F_HASH_REPORT 57 /* Supports hash report */
> +#define VIRTIO_NET_F_GUEST_HDRLEN 59 /* Guest provides the exact hdr_len
> value. */
> #define VIRTIO_NET_F_RSS 60 /* Supports RSS RX steering */
> #define VIRTIO_NET_F_RSC_EXT 61 /* extended coalescing info */
> #define VIRTIO_NET_F_STANDBY 62 /* Act as standby for another device
> diff --git a/linux-headers/asm-arm64/kvm.h b/linux-headers/asm-arm64/kvm.h
> index d7e7bb885e..38e5957526 100644
> --- a/linux-headers/asm-arm64/kvm.h
> +++ b/linux-headers/asm-arm64/kvm.h
> @@ -198,6 +198,15 @@ struct kvm_arm_copy_mte_tags {
> __u64 reserved[2];
> };
>
> +/*
> + * Counter/Timer offset structure. Describe the virtual/physical offset.
> + * To be used with KVM_ARM_SET_COUNTER_OFFSET.
> + */
> +struct kvm_arm_counter_offset {
> + __u64 counter_offset;
> + __u64 reserved;
> +};
> +
> #define KVM_ARM_TAGS_TO_GUEST 0
> #define KVM_ARM_TAGS_FROM_GUEST 1
>
> @@ -363,6 +372,10 @@ enum {
> KVM_REG_ARM_VENDOR_HYP_BIT_PTP = 1,
> };
>
> +/* Device Control API on vm fd */
> +#define KVM_ARM_VM_SMCCC_CTRL 0
> +#define KVM_ARM_VM_SMCCC_FILTER 0
> +
> /* Device Control API: ARM VGIC */
> #define KVM_DEV_ARM_VGIC_GRP_ADDR 0
> #define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1
> @@ -402,6 +415,8 @@ enum {
> #define KVM_ARM_VCPU_TIMER_CTRL 1
> #define KVM_ARM_VCPU_TIMER_IRQ_VTIMER 0
> #define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1
> +#define KVM_ARM_VCPU_TIMER_IRQ_HVTIMER 2
> +#define KVM_ARM_VCPU_TIMER_IRQ_HPTIMER 3
> #define KVM_ARM_VCPU_PVTIME_CTRL 2
> #define KVM_ARM_VCPU_PVTIME_IPA 0
>
> @@ -458,6 +473,24 @@ enum {
> /* run->fail_entry.hardware_entry_failure_reason codes. */
> #define KVM_EXIT_FAIL_ENTRY_CPU_UNSUPPORTED (1ULL << 0)
>
> +enum kvm_smccc_filter_action {
> + KVM_SMCCC_FILTER_HANDLE = 0,
> + KVM_SMCCC_FILTER_DENY,
> + KVM_SMCCC_FILTER_FWD_TO_USER,
> +
> +};
> +
> +struct kvm_smccc_filter {
> + __u32 base;
> + __u32 nr_functions;
> + __u8 action;
> + __u8 pad[15];
> +};
> +
> +/* arm64-specific KVM_EXIT_HYPERCALL flags */
> +#define KVM_HYPERCALL_EXIT_SMC (1U << 0)
> +#define KVM_HYPERCALL_EXIT_16BIT (1U << 1)
> +
> #endif
>
> #endif /* __ARM_KVM_H__ */
> diff --git a/linux-headers/asm-riscv/kvm.h b/linux-headers/asm-riscv/kvm.h
> index 92af6f3f05..f92790c948 100644
> --- a/linux-headers/asm-riscv/kvm.h
> +++ b/linux-headers/asm-riscv/kvm.h
> @@ -12,6 +12,7 @@
> #ifndef __ASSEMBLY__
>
> #include <linux/types.h>
> +#include <asm/bitsperlong.h>
> #include <asm/ptrace.h>
>
> #define __KVM_HAVE_READONLY_MEM
> @@ -52,6 +53,7 @@ struct kvm_riscv_config {
> unsigned long mvendorid;
> unsigned long marchid;
> unsigned long mimpid;
> + unsigned long zicboz_block_size;
> };
>
> /* CORE registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
> @@ -64,7 +66,7 @@ struct kvm_riscv_core {
> #define KVM_RISCV_MODE_S 1
> #define KVM_RISCV_MODE_U 0
>
> -/* CSR registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
> +/* General CSR registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
> struct kvm_riscv_csr {
> unsigned long sstatus;
> unsigned long sie;
> @@ -78,6 +80,17 @@ struct kvm_riscv_csr {
> unsigned long scounteren;
> };
>
> +/* AIA CSR registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
> +struct kvm_riscv_aia_csr {
> + unsigned long siselect;
> + unsigned long iprio1;
> + unsigned long iprio2;
> + unsigned long sieh;
> + unsigned long siph;
> + unsigned long iprio1h;
> + unsigned long iprio2h;
> +};
> +
> /* TIMER registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
> struct kvm_riscv_timer {
> __u64 frequency;
> @@ -105,9 +118,29 @@ enum KVM_RISCV_ISA_EXT_ID {
> KVM_RISCV_ISA_EXT_SVINVAL,
> KVM_RISCV_ISA_EXT_ZIHINTPAUSE,
> KVM_RISCV_ISA_EXT_ZICBOM,
> + KVM_RISCV_ISA_EXT_ZICBOZ,
> + KVM_RISCV_ISA_EXT_ZBB,
> + KVM_RISCV_ISA_EXT_SSAIA,
> KVM_RISCV_ISA_EXT_MAX,
> };
>
> +/*
> + * SBI extension IDs specific to KVM. This is not the same as the SBI
> + * extension IDs defined by the RISC-V SBI specification.
> + */
> +enum KVM_RISCV_SBI_EXT_ID {
> + KVM_RISCV_SBI_EXT_V01 = 0,
> + KVM_RISCV_SBI_EXT_TIME,
> + KVM_RISCV_SBI_EXT_IPI,
> + KVM_RISCV_SBI_EXT_RFENCE,
> + KVM_RISCV_SBI_EXT_SRST,
> + KVM_RISCV_SBI_EXT_HSM,
> + KVM_RISCV_SBI_EXT_PMU,
> + KVM_RISCV_SBI_EXT_EXPERIMENTAL,
> + KVM_RISCV_SBI_EXT_VENDOR,
> + KVM_RISCV_SBI_EXT_MAX,
> +};
> +
> /* Possible states for kvm_riscv_timer */
> #define KVM_RISCV_TIMER_STATE_OFF 0
> #define KVM_RISCV_TIMER_STATE_ON 1
> @@ -118,6 +151,8 @@ enum KVM_RISCV_ISA_EXT_ID {
> /* If you need to interpret the index values, here is the key: */
> #define KVM_REG_RISCV_TYPE_MASK 0x00000000FF000000
> #define KVM_REG_RISCV_TYPE_SHIFT 24
> +#define KVM_REG_RISCV_SUBTYPE_MASK 0x0000000000FF0000
> +#define KVM_REG_RISCV_SUBTYPE_SHIFT 16
>
> /* Config registers are mapped as type 1 */
> #define KVM_REG_RISCV_CONFIG (0x01 << KVM_REG_RISCV_TYPE_SHIFT)
> @@ -131,8 +166,12 @@ enum KVM_RISCV_ISA_EXT_ID {
>
> /* Control and status registers are mapped as type 3 */
> #define KVM_REG_RISCV_CSR (0x03 << KVM_REG_RISCV_TYPE_SHIFT)
> +#define KVM_REG_RISCV_CSR_GENERAL (0x0 << KVM_REG_RISCV_SUBTYPE_SHIFT)
> +#define KVM_REG_RISCV_CSR_AIA (0x1 << KVM_REG_RISCV_SUBTYPE_SHIFT)
> #define KVM_REG_RISCV_CSR_REG(name) \
> (offsetof(struct kvm_riscv_csr, name) / sizeof(unsigned long))
> +#define KVM_REG_RISCV_CSR_AIA_REG(name) \
> + (offsetof(struct kvm_riscv_aia_csr, name) / sizeof(unsigned long))
>
> /* Timer registers are mapped as type 4 */
> #define KVM_REG_RISCV_TIMER (0x04 << KVM_REG_RISCV_TYPE_SHIFT)
> @@ -152,6 +191,18 @@ enum KVM_RISCV_ISA_EXT_ID {
> /* ISA Extension registers are mapped as type 7 */
> #define KVM_REG_RISCV_ISA_EXT (0x07 << KVM_REG_RISCV_TYPE_SHIFT)
>
> +/* SBI extension registers are mapped as type 8 */
> +#define KVM_REG_RISCV_SBI_EXT (0x08 << KVM_REG_RISCV_TYPE_SHIFT)
> +#define KVM_REG_RISCV_SBI_SINGLE (0x0 << KVM_REG_RISCV_SUBTYPE_SHIFT)
> +#define KVM_REG_RISCV_SBI_MULTI_EN (0x1 << KVM_REG_RISCV_SUBTYPE_SHIFT)
> +#define KVM_REG_RISCV_SBI_MULTI_DIS (0x2 << KVM_REG_RISCV_SUBTYPE_SHIFT)
> +#define KVM_REG_RISCV_SBI_MULTI_REG(__ext_id) \
> + ((__ext_id) / __BITS_PER_LONG)
> +#define KVM_REG_RISCV_SBI_MULTI_MASK(__ext_id) \
> + (1UL << ((__ext_id) % __BITS_PER_LONG))
> +#define KVM_REG_RISCV_SBI_MULTI_REG_LAST \
> + KVM_REG_RISCV_SBI_MULTI_REG(KVM_RISCV_SBI_EXT_MAX - 1)
> +
> #endif
>
> #endif /* __LINUX_KVM_RISCV_H */
> diff --git a/linux-headers/asm-riscv/unistd.h
> b/linux-headers/asm-riscv/unistd.h
> index 73d7cdd2ec..950ab3fd44 100644
> --- a/linux-headers/asm-riscv/unistd.h
> +++ b/linux-headers/asm-riscv/unistd.h
> @@ -43,3 +43,12 @@
> #define __NR_riscv_flush_icache (__NR_arch_specific_syscall + 15)
> #endif
> __SYSCALL(__NR_riscv_flush_icache, sys_riscv_flush_icache)
> +
> +/*
> + * Allows userspace to query the kernel for CPU architecture and
> + * microarchitecture details across a given set of CPUs.
> + */
> +#ifndef __NR_riscv_hwprobe
> +#define __NR_riscv_hwprobe (__NR_arch_specific_syscall + 14)
> +#endif
> +__SYSCALL(__NR_riscv_hwprobe, sys_riscv_hwprobe)
> diff --git a/linux-headers/asm-s390/unistd_32.h
> b/linux-headers/asm-s390/unistd_32.h
> index 8e644d65f5..800f3adb20 100644
> --- a/linux-headers/asm-s390/unistd_32.h
> +++ b/linux-headers/asm-s390/unistd_32.h
> @@ -419,6 +419,7 @@
> #define __NR_landlock_create_ruleset 444
> #define __NR_landlock_add_rule 445
> #define __NR_landlock_restrict_self 446
> +#define __NR_memfd_secret 447
> #define __NR_process_mrelease 448
> #define __NR_futex_waitv 449
> #define __NR_set_mempolicy_home_node 450
> diff --git a/linux-headers/asm-s390/unistd_64.h
> b/linux-headers/asm-s390/unistd_64.h
> index 51da542fec..399a605901 100644
> --- a/linux-headers/asm-s390/unistd_64.h
> +++ b/linux-headers/asm-s390/unistd_64.h
> @@ -367,6 +367,7 @@
> #define __NR_landlock_create_ruleset 444
> #define __NR_landlock_add_rule 445
> #define __NR_landlock_restrict_self 446
> +#define __NR_memfd_secret 447
> #define __NR_process_mrelease 448
> #define __NR_futex_waitv 449
> #define __NR_set_mempolicy_home_node 450
> diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
> index 2937e7bf69..2b3a8f7bd2 100644
> --- a/linux-headers/asm-x86/kvm.h
> +++ b/linux-headers/asm-x86/kvm.h
> @@ -557,4 +557,7 @@ struct kvm_pmu_event_filter {
> #define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC)
> */
> #define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */
>
> +/* x86-specific KVM_EXIT_HYPERCALL flags. */
> +#define KVM_EXIT_HYPERCALL_LONG_MODE BIT(0)
> +
> #endif /* _ASM_X86_KVM_H */
> diff --git a/linux-headers/linux/const.h b/linux-headers/linux/const.h
> index 5e48987251..1eb84b5087 100644
> --- a/linux-headers/linux/const.h
> +++ b/linux-headers/linux/const.h
> @@ -28,7 +28,7 @@
> #define _BITUL(x) (_UL(1) << (x))
> #define _BITULL(x) (_ULL(1) << (x))
>
> -#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a)
> - 1)
> +#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x,
> (__typeof__(x))(a) - 1)
> #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
>
> #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
> diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
> index 599de3c6e3..65b145b317 100644
> --- a/linux-headers/linux/kvm.h
> +++ b/linux-headers/linux/kvm.h
> @@ -341,8 +341,11 @@ struct kvm_run {
> __u64 nr;
> __u64 args[6];
> __u64 ret;
> - __u32 longmode;
> - __u32 pad;
> +
> + union {
> + __u32 longmode;
> + __u64 flags;
> + };
> } hypercall;
> /* KVM_EXIT_TPR_ACCESS */
> struct {
> @@ -1182,6 +1185,7 @@ struct kvm_ppc_resize_hpt {
> #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
> #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
> #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
> +#define KVM_CAP_COUNTER_OFFSET 227
>
> #ifdef KVM_CAP_IRQ_ROUTING
>
> @@ -1449,7 +1453,7 @@ struct kvm_vfio_spapr_tce {
> #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
> #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
> #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
> -#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
> +#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */
> #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
> struct kvm_userspace_memory_region)
> #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
> @@ -1541,6 +1545,8 @@ struct kvm_s390_ucas_mapping {
> #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct
> kvm_pmu_event_filter)
> #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
> #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct
> kvm_arm_copy_mte_tags)
> +/* Available with KVM_CAP_COUNTER_OFFSET */
> +#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct
> kvm_arm_counter_offset)
>
> /* ioctl for vm fd */
> #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct
> kvm_create_device)
> diff --git a/linux-headers/linux/psp-sev.h b/linux-headers/linux/psp-sev.h
> index 51d8b3940e..12ccb70099 100644
> --- a/linux-headers/linux/psp-sev.h
> +++ b/linux-headers/linux/psp-sev.h
> @@ -36,6 +36,13 @@ enum {
> * SEV Firmware status code
> */
> typedef enum {
> + /*
> + * This error code is not in the SEV spec. Its purpose is to convey
> that
> + * there was an error that prevented the SEV firmware from being
> called.
> + * The SEV API error codes are 16 bits, so the -1 value will not
> overlap
> + * with possible values from the specification.
> + */
> + SEV_RET_NO_FW_CALL = -1,
> SEV_RET_SUCCESS = 0,
> SEV_RET_INVALID_PLATFORM_STATE,
> SEV_RET_INVALID_GUEST_STATE,
> diff --git a/linux-headers/linux/userfaultfd.h
> b/linux-headers/linux/userfaultfd.h
> index ba5d0df52f..14e402263a 100644
> --- a/linux-headers/linux/userfaultfd.h
> +++ b/linux-headers/linux/userfaultfd.h
> @@ -38,7 +38,8 @@
> UFFD_FEATURE_MINOR_HUGETLBFS | \
> UFFD_FEATURE_MINOR_SHMEM | \
> UFFD_FEATURE_EXACT_ADDRESS | \
> - UFFD_FEATURE_WP_HUGETLBFS_SHMEM)
> + UFFD_FEATURE_WP_HUGETLBFS_SHMEM | \
> + UFFD_FEATURE_WP_UNPOPULATED)
> #define UFFD_API_IOCTLS \
> ((__u64)1 << _UFFDIO_REGISTER | \
> (__u64)1 << _UFFDIO_UNREGISTER | \
> @@ -203,6 +204,12 @@ struct uffdio_api {
> *
> * UFFD_FEATURE_WP_HUGETLBFS_SHMEM indicates that userfaultfd
> * write-protection mode is supported on both shmem and hugetlbfs.
> + *
> + * UFFD_FEATURE_WP_UNPOPULATED indicates that userfaultfd
> + * write-protection mode will always apply to unpopulated pages
> + * (i.e. empty ptes). This will be the default behavior for shmem
> + * & hugetlbfs, so this flag only affects anonymous memory behavior
> + * when userfault write-protection mode is registered.
> */
> #define UFFD_FEATURE_PAGEFAULT_FLAG_WP (1<<0)
> #define UFFD_FEATURE_EVENT_FORK (1<<1)
> @@ -217,6 +224,7 @@ struct uffdio_api {
> #define UFFD_FEATURE_MINOR_SHMEM (1<<10)
> #define UFFD_FEATURE_EXACT_ADDRESS (1<<11)
> #define UFFD_FEATURE_WP_HUGETLBFS_SHMEM (1<<12)
> +#define UFFD_FEATURE_WP_UNPOPULATED (1<<13)
> __u64 features;
>
> __u64 ioctls;
> @@ -297,6 +305,13 @@ struct uffdio_writeprotect {
> struct uffdio_continue {
> struct uffdio_range range;
> #define UFFDIO_CONTINUE_MODE_DONTWAKE ((__u64)1<<0)
> + /*
> + * UFFDIO_CONTINUE_MODE_WP will map the page write protected on
> + * the fly. UFFDIO_CONTINUE_MODE_WP is available only if the
> + * write protected ioctl is implemented for the range
> + * according to the uffdio_register.ioctls.
> + */
> +#define UFFDIO_CONTINUE_MODE_WP ((__u64)1<<1)
> __u64 mode;
>
> /*
> --
> 2.40.1
>
>
- Re: [PATCH v2 03/18] target/riscv/cpu.c: restrict 'mvendorid' value, (continued)
- [PATCH v2 04/18] target/riscv/cpu.c: restrict 'mimpid' value, Daniel Henrique Barboza, 2023/06/13
- [PATCH v2 05/18] target/riscv/cpu.c: restrict 'marchid' value, Daniel Henrique Barboza, 2023/06/13
- [PATCH v2 06/18] target/riscv: use KVM scratch CPUs to init KVM properties, Daniel Henrique Barboza, 2023/06/13
- [PATCH v2 07/18] target/riscv: read marchid/mimpid in kvm_riscv_init_machine_ids(), Daniel Henrique Barboza, 2023/06/13
- [PATCH v2 08/18] target/riscv: handle mvendorid/marchid/mimpid for KVM CPUs, Daniel Henrique Barboza, 2023/06/13
- [PATCH v2 09/18] linux-headers: Update to v6.4-rc1, Daniel Henrique Barboza, 2023/06/13
- Re: [PATCH v2 09/18] linux-headers: Update to v6.4-rc1,
Alistair Francis <=
- [PATCH v2 10/18] target/riscv/kvm.c: init 'misa_ext_mask' with scratch CPU, Daniel Henrique Barboza, 2023/06/13
- [PATCH v2 11/18] target/riscv/cpu: add misa_ext_infos[], Daniel Henrique Barboza, 2023/06/13
- [PATCH v2 12/18] target/riscv: add KVM specific MISA properties, Daniel Henrique Barboza, 2023/06/13
- [PATCH v2 13/18] target/riscv/kvm.c: update KVM MISA bits, Daniel Henrique Barboza, 2023/06/13
- [PATCH v2 14/18] target/riscv/kvm.c: add multi-letter extension KVM properties, Daniel Henrique Barboza, 2023/06/13