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Merge tag 'kvmarm-6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

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KVM/arm64 updates for 6.19

 - Support for userspace handling of synchronous external aborts (SEAs),
   allowing the VMM to potentially handle the abort in a non-fatal
   manner.

 - Large rework of the VGIC's list register handling with the goal of
   supporting more active/pending IRQs than available list registers in
   hardware. In addition, the VGIC now supports EOImode==1 style
   deactivations for IRQs which may occur on a separate vCPU than the
   one that acked the IRQ.

 - Support for FEAT_XNX (user / privileged execute permissions) and
   FEAT_HAF (hardware update to the Access Flag) in the software page
   table walkers and shadow MMU.

 - Allow page table destruction to reschedule, fixing long need_resched
   latencies observed when destroying a large VM.

 - Minor fixes to KVM and selftests
This commit is contained in:
Paolo Bonzini
2025-12-02 18:36:26 +01:00
parent 63a9b0bc65 3eef0c83c3
commit f58e70cc31
55 changed files with 2586 additions and 542 deletions
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11
tools/testing/selftests/kvm/lib/kvm_util.c
View File

@@ -1184,6 +1184,16 @@ void vm_mem_region_set_flags(struct kvm_vm *vm, uint32_t slot, uint32_t flags)
ret, errno, slot, flags);
}
void vm_mem_region_reload(struct kvm_vm *vm, uint32_t slot)
{
struct userspace_mem_region *region = memslot2region(vm, slot);
struct kvm_userspace_memory_region2 tmp = region->region;
tmp.memory_size = 0;
vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION2, &tmp);
vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION2, &region->region);
}
/*
* VM Memory Region Move
*
@@ -2005,6 +2015,7 @@ static struct exit_reason {
KVM_EXIT_STRING(NOTIFY),
KVM_EXIT_STRING(LOONGARCH_IOCSR),
KVM_EXIT_STRING(MEMORY_FAULT),
KVM_EXIT_STRING(ARM_SEA),
};
/*