diff options
| author | Greg Kroah-Hartman <[email protected]> | 2024-08-19 06:24:50 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2024-08-19 06:24:50 +0200 |
| commit | ebbe30f4bba127505c5664dd67f519e5e06d16be (patch) | |
| tree | 7285f44ba6e74a25876982cb50f9a430169cc42e /tools/include/uapi/linux/kvm.h | |
| parent | 1241b384efa53f4b7a95fe2b34d69359bb3ae1b5 (diff) | |
| parent | 47ac09b91befbb6a235ab620c32af719f8208399 (diff) | |
Merge 6.11-rc4 into tty-next
We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'tools/include/uapi/linux/kvm.h')
| -rw-r--r-- | tools/include/uapi/linux/kvm.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h index e5af8c692dc0..637efc055145 100644 --- a/tools/include/uapi/linux/kvm.h +++ b/tools/include/uapi/linux/kvm.h @@ -192,11 +192,24 @@ struct kvm_xen_exit { /* Flags that describe what fields in emulation_failure hold valid data. */ #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) +/* + * struct kvm_run can be modified by userspace at any time, so KVM must be + * careful to avoid TOCTOU bugs. In order to protect KVM, HINT_UNSAFE_IN_KVM() + * renames fields in struct kvm_run from <symbol> to <symbol>__unsafe when + * compiled into the kernel, ensuring that any use within KVM is obvious and + * gets extra scrutiny. + */ +#ifdef __KERNEL__ +#define HINT_UNSAFE_IN_KVM(_symbol) _symbol##__unsafe +#else +#define HINT_UNSAFE_IN_KVM(_symbol) _symbol +#endif + /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ struct kvm_run { /* in */ __u8 request_interrupt_window; - __u8 immediate_exit; + __u8 HINT_UNSAFE_IN_KVM(immediate_exit); __u8 padding1[6]; /* out */ @@ -918,6 +931,8 @@ struct kvm_enable_cap { #define KVM_CAP_GUEST_MEMFD 234 #define KVM_CAP_VM_TYPES 235 #define KVM_CAP_PRE_FAULT_MEMORY 236 +#define KVM_CAP_X86_APIC_BUS_CYCLES_NS 237 +#define KVM_CAP_X86_GUEST_MODE 238 struct kvm_irq_routing_irqchip { __u32 irqchip; |