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authorBharata B Rao <bharata@linux.ibm.com>2021-07-06 16:54:39 +0530
committerDavid Gibson <david@gibson.dropbear.id.au>2021-07-09 11:01:06 +1000
commit327d4b7f3f26eb19b8bc2b1b54afa6874612efdd (patch)
treef212b907aa249e8663d4a8700ff1c57ce50c87c9 /linux-headers
parent21bde1ecb6cecba1d2f0219a1b79c240bed78749 (diff)
downloadqemu-arm-327d4b7f3f26eb19b8bc2b1b54afa6874612efdd.tar.gz
linux-headers: Update
Update to mainline commit: 79160a603bdb ("Merge tag 'usb-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb" Signed-off-by: Bharata B Rao <bharata@linux.ibm.com> Message-Id: <20210706112440.1449562-2-bharata@linux.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'linux-headers')
-rw-r--r--linux-headers/asm-arm64/kvm.h11
-rw-r--r--linux-headers/asm-generic/mman-common.h3
-rw-r--r--linux-headers/asm-generic/unistd.h4
-rw-r--r--linux-headers/asm-mips/mman.h3
-rw-r--r--linux-headers/asm-mips/unistd_n32.h1
-rw-r--r--linux-headers/asm-mips/unistd_n64.h1
-rw-r--r--linux-headers/asm-mips/unistd_o32.h1
-rw-r--r--linux-headers/asm-powerpc/unistd_32.h1
-rw-r--r--linux-headers/asm-powerpc/unistd_64.h1
-rw-r--r--linux-headers/asm-s390/unistd_32.h1
-rw-r--r--linux-headers/asm-s390/unistd_64.h1
-rw-r--r--linux-headers/asm-x86/kvm.h13
-rw-r--r--linux-headers/asm-x86/unistd_32.h7
-rw-r--r--linux-headers/asm-x86/unistd_64.h7
-rw-r--r--linux-headers/asm-x86/unistd_x32.h7
-rw-r--r--linux-headers/linux/kvm.h105
-rw-r--r--linux-headers/linux/userfaultfd.h11
17 files changed, 164 insertions, 14 deletions
diff --git a/linux-headers/asm-arm64/kvm.h b/linux-headers/asm-arm64/kvm.h
index b6a0eaa32a..3d2ce9912d 100644
--- a/linux-headers/asm-arm64/kvm.h
+++ b/linux-headers/asm-arm64/kvm.h
@@ -184,6 +184,17 @@ struct kvm_vcpu_events {
__u32 reserved[12];
};
+struct kvm_arm_copy_mte_tags {
+ __u64 guest_ipa;
+ __u64 length;
+ void *addr;
+ __u64 flags;
+ __u64 reserved[2];
+};
+
+#define KVM_ARM_TAGS_TO_GUEST 0
+#define KVM_ARM_TAGS_FROM_GUEST 1
+
/* If you need to interpret the index values, here is the key: */
#define KVM_REG_ARM_COPROC_MASK 0x000000000FFF0000
#define KVM_REG_ARM_COPROC_SHIFT 16
diff --git a/linux-headers/asm-generic/mman-common.h b/linux-headers/asm-generic/mman-common.h
index f94f65d429..1567a3294c 100644
--- a/linux-headers/asm-generic/mman-common.h
+++ b/linux-headers/asm-generic/mman-common.h
@@ -72,6 +72,9 @@
#define MADV_COLD 20 /* deactivate these pages */
#define MADV_PAGEOUT 21 /* reclaim these pages */
+#define MADV_POPULATE_READ 22 /* populate (prefault) page tables readable */
+#define MADV_POPULATE_WRITE 23 /* populate (prefault) page tables writable */
+
/* compatibility flags */
#define MAP_FILE 0
diff --git a/linux-headers/asm-generic/unistd.h b/linux-headers/asm-generic/unistd.h
index 6de5a7fc06..f211961ce1 100644
--- a/linux-headers/asm-generic/unistd.h
+++ b/linux-headers/asm-generic/unistd.h
@@ -863,8 +863,8 @@ __SYSCALL(__NR_process_madvise, sys_process_madvise)
__SC_COMP(__NR_epoll_pwait2, sys_epoll_pwait2, compat_sys_epoll_pwait2)
#define __NR_mount_setattr 442
__SYSCALL(__NR_mount_setattr, sys_mount_setattr)
-#define __NR_quotactl_path 443
-__SYSCALL(__NR_quotactl_path, sys_quotactl_path)
+#define __NR_quotactl_fd 443
+__SYSCALL(__NR_quotactl_fd, sys_quotactl_fd)
#define __NR_landlock_create_ruleset 444
__SYSCALL(__NR_landlock_create_ruleset, sys_landlock_create_ruleset)
diff --git a/linux-headers/asm-mips/mman.h b/linux-headers/asm-mips/mman.h
index 57dc2ac4f8..40b210c65a 100644
--- a/linux-headers/asm-mips/mman.h
+++ b/linux-headers/asm-mips/mman.h
@@ -98,6 +98,9 @@
#define MADV_COLD 20 /* deactivate these pages */
#define MADV_PAGEOUT 21 /* reclaim these pages */
+#define MADV_POPULATE_READ 22 /* populate (prefault) page tables readable */
+#define MADV_POPULATE_WRITE 23 /* populate (prefault) page tables writable */
+
/* compatibility flags */
#define MAP_FILE 0
diff --git a/linux-headers/asm-mips/unistd_n32.h b/linux-headers/asm-mips/unistd_n32.h
index fce51fee09..09cd297698 100644
--- a/linux-headers/asm-mips/unistd_n32.h
+++ b/linux-headers/asm-mips/unistd_n32.h
@@ -372,6 +372,7 @@
#define __NR_process_madvise (__NR_Linux + 440)
#define __NR_epoll_pwait2 (__NR_Linux + 441)
#define __NR_mount_setattr (__NR_Linux + 442)
+#define __NR_quotactl_fd (__NR_Linux + 443)
#define __NR_landlock_create_ruleset (__NR_Linux + 444)
#define __NR_landlock_add_rule (__NR_Linux + 445)
#define __NR_landlock_restrict_self (__NR_Linux + 446)
diff --git a/linux-headers/asm-mips/unistd_n64.h b/linux-headers/asm-mips/unistd_n64.h
index 0996001802..780e0cead6 100644
--- a/linux-headers/asm-mips/unistd_n64.h
+++ b/linux-headers/asm-mips/unistd_n64.h
@@ -348,6 +348,7 @@
#define __NR_process_madvise (__NR_Linux + 440)
#define __NR_epoll_pwait2 (__NR_Linux + 441)
#define __NR_mount_setattr (__NR_Linux + 442)
+#define __NR_quotactl_fd (__NR_Linux + 443)
#define __NR_landlock_create_ruleset (__NR_Linux + 444)
#define __NR_landlock_add_rule (__NR_Linux + 445)
#define __NR_landlock_restrict_self (__NR_Linux + 446)
diff --git a/linux-headers/asm-mips/unistd_o32.h b/linux-headers/asm-mips/unistd_o32.h
index 954303ad69..06a2b3b55e 100644
--- a/linux-headers/asm-mips/unistd_o32.h
+++ b/linux-headers/asm-mips/unistd_o32.h
@@ -418,6 +418,7 @@
#define __NR_process_madvise (__NR_Linux + 440)
#define __NR_epoll_pwait2 (__NR_Linux + 441)
#define __NR_mount_setattr (__NR_Linux + 442)
+#define __NR_quotactl_fd (__NR_Linux + 443)
#define __NR_landlock_create_ruleset (__NR_Linux + 444)
#define __NR_landlock_add_rule (__NR_Linux + 445)
#define __NR_landlock_restrict_self (__NR_Linux + 446)
diff --git a/linux-headers/asm-powerpc/unistd_32.h b/linux-headers/asm-powerpc/unistd_32.h
index 9155778c19..cd5a8a41b2 100644
--- a/linux-headers/asm-powerpc/unistd_32.h
+++ b/linux-headers/asm-powerpc/unistd_32.h
@@ -425,6 +425,7 @@
#define __NR_process_madvise 440
#define __NR_epoll_pwait2 441
#define __NR_mount_setattr 442
+#define __NR_quotactl_fd 443
#define __NR_landlock_create_ruleset 444
#define __NR_landlock_add_rule 445
#define __NR_landlock_restrict_self 446
diff --git a/linux-headers/asm-powerpc/unistd_64.h b/linux-headers/asm-powerpc/unistd_64.h
index 3cefa88932..8458effa8d 100644
--- a/linux-headers/asm-powerpc/unistd_64.h
+++ b/linux-headers/asm-powerpc/unistd_64.h
@@ -397,6 +397,7 @@
#define __NR_process_madvise 440
#define __NR_epoll_pwait2 441
#define __NR_mount_setattr 442
+#define __NR_quotactl_fd 443
#define __NR_landlock_create_ruleset 444
#define __NR_landlock_add_rule 445
#define __NR_landlock_restrict_self 446
diff --git a/linux-headers/asm-s390/unistd_32.h b/linux-headers/asm-s390/unistd_32.h
index e8cd34334f..0c3cd299e4 100644
--- a/linux-headers/asm-s390/unistd_32.h
+++ b/linux-headers/asm-s390/unistd_32.h
@@ -415,6 +415,7 @@
#define __NR_process_madvise 440
#define __NR_epoll_pwait2 441
#define __NR_mount_setattr 442
+#define __NR_quotactl_fd 443
#define __NR_landlock_create_ruleset 444
#define __NR_landlock_add_rule 445
#define __NR_landlock_restrict_self 446
diff --git a/linux-headers/asm-s390/unistd_64.h b/linux-headers/asm-s390/unistd_64.h
index 86830e1e83..8dfc08b5e6 100644
--- a/linux-headers/asm-s390/unistd_64.h
+++ b/linux-headers/asm-s390/unistd_64.h
@@ -363,6 +363,7 @@
#define __NR_process_madvise 440
#define __NR_epoll_pwait2 441
#define __NR_mount_setattr 442
+#define __NR_quotactl_fd 443
#define __NR_landlock_create_ruleset 444
#define __NR_landlock_add_rule 445
#define __NR_landlock_restrict_self 446
diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index 0662f644aa..a6c327f8ad 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -159,6 +159,19 @@ struct kvm_sregs {
__u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
};
+struct kvm_sregs2 {
+ /* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */
+ struct kvm_segment cs, ds, es, fs, gs, ss;
+ struct kvm_segment tr, ldt;
+ struct kvm_dtable gdt, idt;
+ __u64 cr0, cr2, cr3, cr4, cr8;
+ __u64 efer;
+ __u64 apic_base;
+ __u64 flags;
+ __u64 pdptrs[4];
+};
+#define KVM_SREGS2_FLAGS_PDPTRS_VALID 1
+
/* for KVM_GET_FPU and KVM_SET_FPU */
struct kvm_fpu {
__u8 fpr[8][16];
diff --git a/linux-headers/asm-x86/unistd_32.h b/linux-headers/asm-x86/unistd_32.h
index 8f6ac8c19f..66e96c0c68 100644
--- a/linux-headers/asm-x86/unistd_32.h
+++ b/linux-headers/asm-x86/unistd_32.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_UNISTD_32_H
-#define _ASM_X86_UNISTD_32_H 1
+#ifndef _ASM_UNISTD_32_H
+#define _ASM_UNISTD_32_H
#define __NR_restart_syscall 0
#define __NR_exit 1
@@ -433,9 +433,10 @@
#define __NR_process_madvise 440
#define __NR_epoll_pwait2 441
#define __NR_mount_setattr 442
+#define __NR_quotactl_fd 443
#define __NR_landlock_create_ruleset 444
#define __NR_landlock_add_rule 445
#define __NR_landlock_restrict_self 446
-#endif /* _ASM_X86_UNISTD_32_H */
+#endif /* _ASM_UNISTD_32_H */
diff --git a/linux-headers/asm-x86/unistd_64.h b/linux-headers/asm-x86/unistd_64.h
index bb187a9268..b8ff6f14ee 100644
--- a/linux-headers/asm-x86/unistd_64.h
+++ b/linux-headers/asm-x86/unistd_64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_UNISTD_64_H
-#define _ASM_X86_UNISTD_64_H 1
+#ifndef _ASM_UNISTD_64_H
+#define _ASM_UNISTD_64_H
#define __NR_read 0
#define __NR_write 1
@@ -355,9 +355,10 @@
#define __NR_process_madvise 440
#define __NR_epoll_pwait2 441
#define __NR_mount_setattr 442
+#define __NR_quotactl_fd 443
#define __NR_landlock_create_ruleset 444
#define __NR_landlock_add_rule 445
#define __NR_landlock_restrict_self 446
-#endif /* _ASM_X86_UNISTD_64_H */
+#endif /* _ASM_UNISTD_64_H */
diff --git a/linux-headers/asm-x86/unistd_x32.h b/linux-headers/asm-x86/unistd_x32.h
index 4edd0103ac..06a1097c15 100644
--- a/linux-headers/asm-x86/unistd_x32.h
+++ b/linux-headers/asm-x86/unistd_x32.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_UNISTD_X32_H
-#define _ASM_X86_UNISTD_X32_H 1
+#ifndef _ASM_UNISTD_X32_H
+#define _ASM_UNISTD_X32_H
#define __NR_read (__X32_SYSCALL_BIT + 0)
#define __NR_write (__X32_SYSCALL_BIT + 1)
@@ -308,6 +308,7 @@
#define __NR_process_madvise (__X32_SYSCALL_BIT + 440)
#define __NR_epoll_pwait2 (__X32_SYSCALL_BIT + 441)
#define __NR_mount_setattr (__X32_SYSCALL_BIT + 442)
+#define __NR_quotactl_fd (__X32_SYSCALL_BIT + 443)
#define __NR_landlock_create_ruleset (__X32_SYSCALL_BIT + 444)
#define __NR_landlock_add_rule (__X32_SYSCALL_BIT + 445)
#define __NR_landlock_restrict_self (__X32_SYSCALL_BIT + 446)
@@ -349,4 +350,4 @@
#define __NR_pwritev2 (__X32_SYSCALL_BIT + 547)
-#endif /* _ASM_X86_UNISTD_X32_H */
+#endif /* _ASM_UNISTD_X32_H */
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 20d6a263bb..bcaf66cc4d 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -280,6 +280,9 @@ struct kvm_xen_exit {
/* Encounter unexpected vm-exit reason */
#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
+/* Flags that describe what fields in emulation_failure hold valid data. */
+#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
+
/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
struct kvm_run {
/* in */
@@ -383,6 +386,25 @@ struct kvm_run {
__u32 ndata;
__u64 data[16];
} internal;
+ /*
+ * KVM_INTERNAL_ERROR_EMULATION
+ *
+ * "struct emulation_failure" is an overlay of "struct internal"
+ * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
+ * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
+ * sub-types, this struct is ABI! It also needs to be backwards
+ * compatible with "struct internal". Take special care that
+ * "ndata" is correct, that new fields are enumerated in "flags",
+ * and that each flag enumerates fields that are 64-bit aligned
+ * and sized (so that ndata+internal.data[] is valid/accurate).
+ */
+ struct {
+ __u32 suberror;
+ __u32 ndata;
+ __u64 flags;
+ __u8 insn_size;
+ __u8 insn_bytes[15];
+ } emulation_failure;
/* KVM_EXIT_OSI */
struct {
__u64 gprs[32];
@@ -1083,6 +1105,13 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_SGX_ATTRIBUTE 196
#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
#define KVM_CAP_PTP_KVM 198
+#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
+#define KVM_CAP_SREGS2 200
+#define KVM_CAP_EXIT_HYPERCALL 201
+#define KVM_CAP_PPC_RPT_INVALIDATE 202
+#define KVM_CAP_BINARY_STATS_FD 203
+#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
+#define KVM_CAP_ARM_MTE 205
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1428,6 +1457,7 @@ struct kvm_s390_ucas_mapping {
/* Available with KVM_CAP_PMU_EVENT_FILTER */
#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)
/* ioctl for vm fd */
#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
@@ -1621,6 +1651,9 @@ struct kvm_xen_hvm_attr {
#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
+#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
+#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
+
struct kvm_xen_vcpu_attr {
__u16 type;
__u16 pad[3];
@@ -1899,4 +1932,76 @@ struct kvm_dirty_gfn {
#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
+/**
+ * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
+ * @flags: Some extra information for header, always 0 for now.
+ * @name_size: The size in bytes of the memory which contains statistics
+ * name string including trailing '\0'. The memory is allocated
+ * at the send of statistics descriptor.
+ * @num_desc: The number of statistics the vm or vcpu has.
+ * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
+ * by vm/vcpu stats fd.
+ * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
+ * pointd by vm/vcpu stats fd.
+ * @data_offset: The offset of the vm/vcpu stats' data block in the file
+ * pointed by vm/vcpu stats fd.
+ *
+ * This is the header userspace needs to read from stats fd before any other
+ * readings. It is used by userspace to discover all the information about the
+ * vm/vcpu's binary statistics.
+ * Userspace reads this header from the start of the vm/vcpu's stats fd.
+ */
+struct kvm_stats_header {
+ __u32 flags;
+ __u32 name_size;
+ __u32 num_desc;
+ __u32 id_offset;
+ __u32 desc_offset;
+ __u32 data_offset;
+};
+
+#define KVM_STATS_TYPE_SHIFT 0
+#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
+#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
+#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
+#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
+#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_PEAK
+
+#define KVM_STATS_UNIT_SHIFT 4
+#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
+#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
+#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
+#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
+#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
+#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
+
+#define KVM_STATS_BASE_SHIFT 8
+#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
+#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
+#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
+#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
+
+/**
+ * struct kvm_stats_desc - Descriptor of a KVM statistics.
+ * @flags: Annotations of the stats, like type, unit, etc.
+ * @exponent: Used together with @flags to determine the unit.
+ * @size: The number of data items for this stats.
+ * Every data item is of type __u64.
+ * @offset: The offset of the stats to the start of stat structure in
+ * struture kvm or kvm_vcpu.
+ * @unused: Unused field for future usage. Always 0 for now.
+ * @name: The name string for the stats. Its size is indicated by the
+ * &kvm_stats_header->name_size.
+ */
+struct kvm_stats_desc {
+ __u32 flags;
+ __s16 exponent;
+ __u16 size;
+ __u32 offset;
+ __u32 unused;
+ char name[];
+};
+
+#define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
+
#endif /* __LINUX_KVM_H */
diff --git a/linux-headers/linux/userfaultfd.h b/linux-headers/linux/userfaultfd.h
index b9ac97b70f..8479af5f4c 100644
--- a/linux-headers/linux/userfaultfd.h
+++ b/linux-headers/linux/userfaultfd.h
@@ -31,7 +31,8 @@
UFFD_FEATURE_MISSING_SHMEM | \
UFFD_FEATURE_SIGBUS | \
UFFD_FEATURE_THREAD_ID | \
- UFFD_FEATURE_MINOR_HUGETLBFS)
+ UFFD_FEATURE_MINOR_HUGETLBFS | \
+ UFFD_FEATURE_MINOR_SHMEM)
#define UFFD_API_IOCTLS \
((__u64)1 << _UFFDIO_REGISTER | \
(__u64)1 << _UFFDIO_UNREGISTER | \
@@ -80,8 +81,8 @@
struct uffdio_zeropage)
#define UFFDIO_WRITEPROTECT _IOWR(UFFDIO, _UFFDIO_WRITEPROTECT, \
struct uffdio_writeprotect)
-#define UFFDIO_CONTINUE _IOR(UFFDIO, _UFFDIO_CONTINUE, \
- struct uffdio_continue)
+#define UFFDIO_CONTINUE _IOWR(UFFDIO, _UFFDIO_CONTINUE, \
+ struct uffdio_continue)
/* read() structure */
struct uffd_msg {
@@ -185,6 +186,9 @@ struct uffdio_api {
* UFFD_FEATURE_MINOR_HUGETLBFS indicates that minor faults
* can be intercepted (via REGISTER_MODE_MINOR) for
* hugetlbfs-backed pages.
+ *
+ * UFFD_FEATURE_MINOR_SHMEM indicates the same support as
+ * UFFD_FEATURE_MINOR_HUGETLBFS, but for shmem-backed pages instead.
*/
#define UFFD_FEATURE_PAGEFAULT_FLAG_WP (1<<0)
#define UFFD_FEATURE_EVENT_FORK (1<<1)
@@ -196,6 +200,7 @@ struct uffdio_api {
#define UFFD_FEATURE_SIGBUS (1<<7)
#define UFFD_FEATURE_THREAD_ID (1<<8)
#define UFFD_FEATURE_MINOR_HUGETLBFS (1<<9)
+#define UFFD_FEATURE_MINOR_SHMEM (1<<10)
__u64 features;
__u64 ioctls;