[PATCH] x86: fix typos in comments

[Hemanth Selam <hemanth.selam@gmail.com>]

Fix typos in comments, reported by scripts/checkpatch.pl using the
misspelling list in scripts/spelling.txt.  Only touches comments, no code
changes.

Assisted-by: Cursor:claude-opus-5
Signed-off-by: Hemanth Selam <hemanth.selam@gmail.com>
---
 arch/x86/include/uapi/asm/kvm.h | 2 +-
 arch/x86/kvm/lapic.c            | 2 +-
 include/linux/kvm_host.h        | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
index 1585ec804066..79bfd945e5c4 100644
--- a/arch/x86/include/uapi/asm/kvm.h
+++ b/arch/x86/include/uapi/asm/kvm.h
@@ -551,7 +551,7 @@ struct kvm_nested_state {
 	} hdr;
 
 	/*
-	 * Define data region as 0 bytes to preserve backwards-compatability
+	 * Define data region as 0 bytes to preserve backwards-compatibility
 	 * to old definition of kvm_nested_state in order to avoid changing
 	 * KVM_{GET,PUT}_NESTED_STATE ioctl values.
 	 */
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index e1f3cea14765..d48615a1a275 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2699,7 +2699,7 @@ void kvm_apic_write_nodecode(struct kvm_vcpu *vcpu, u32 offset)
 	 * virtual APIC state, but KVM needs to conditionally modify the value
 	 * in certain cases, e.g. to clear the ICR busy bit.  The cost of extra
 	 * conditional branches is likely a wash relative to the cost of the
-	 * maybe-unecessary write, and both are in the noise anyways.
+	 * maybe-unnecessary write, and both are in the noise anyways.
 	 */
 	if (apic_x2apic_mode(apic) && offset == APIC_ICR)
 		WARN_ON_ONCE(kvm_x2apic_icr_write(apic, kvm_x2apic_icr_read(apic)));
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 03bfc92864b6..b9d3ce31a9ab 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -101,7 +101,7 @@
 #define KVM_PFN_ERR_NEEDS_IO	(KVM_PFN_ERR_MASK + 4)
 
 /*
- * error pfns indicate that the gfn is in slot but faild to
+ * error pfns indicate that the gfn is in slot but failed to
  * translate it to pfn on host.
  */
 static inline bool is_error_pfn(kvm_pfn_t pfn)
@@ -2461,7 +2461,7 @@ void kvm_arch_update_irqfd_routing(struct kvm_kernel_irqfd *irqfd,
 #endif /* CONFIG_HAVE_KVM_IRQ_BYPASS */
 
 #ifdef CONFIG_HAVE_KVM_INVALID_WAKEUPS
-/* If we wakeup during the poll time, was it a sucessful poll? */
+/* If we wakeup during the poll time, was it a successful poll? */
 static inline bool vcpu_valid_wakeup(struct kvm_vcpu *vcpu)
 {
 	return vcpu->valid_wakeup;
-- 
2.48.1