From 409533c911b1d037697b83a926cd877b6b037643 Mon Sep 17 00:00:00 2001
From: "Lance R. Vick" <lance@lrvick.net>
Date: Tue, 17 Sep 2024 12:39:03 -0700
Subject: [PATCH] feat: KVM support in linux-guest

---
 packages/linux-guest/linux.config | 38 ++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/packages/linux-guest/linux.config b/packages/linux-guest/linux.config
index 3a5c159..9d40f89 100644
--- a/packages/linux-guest/linux.config
+++ b/packages/linux-guest/linux.config
@@ -92,11 +92,12 @@ CONFIG_CONTEXT_TRACKING_IDLE=y
 #
 # Timers subsystem
 #
+CONFIG_TICK_ONESHOT=y
 CONFIG_HZ_PERIODIC=y
 # CONFIG_NO_HZ_IDLE is not set
 # CONFIG_NO_HZ_FULL is not set
 # CONFIG_NO_HZ is not set
-# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_HIGH_RES_TIMERS=y
 CONFIG_CLOCKSOURCE_WATCHDOG_MAX_SKEW_US=125
 # end of Timers subsystem
 
@@ -256,6 +257,7 @@ CONFIG_RSEQ=y
 CONFIG_CACHESTAT_SYSCALL=y
 # CONFIG_DEBUG_RSEQ is not set
 CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_GUEST_PERF_EVENTS=y
 # CONFIG_PC104 is not set
 
 #
@@ -404,6 +406,7 @@ CONFIG_X86_INTEL_TSX_MODE_OFF=y
 # CONFIG_X86_INTEL_TSX_MODE_AUTO is not set
 # CONFIG_X86_SGX is not set
 # CONFIG_X86_USER_SHADOW_STACK is not set
+# CONFIG_INTEL_TDX_HOST is not set
 CONFIG_EFI=y
 CONFIG_EFI_STUB=y
 CONFIG_EFI_HANDOVER_PROTOCOL=y
@@ -415,6 +418,7 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+CONFIG_SCHED_HRTICK=y
 CONFIG_ARCH_SUPPORTS_KEXEC=y
 CONFIG_ARCH_SUPPORTS_KEXEC_FILE=y
 CONFIG_ARCH_SUPPORTS_KEXEC_PURGATORY=y
@@ -592,7 +596,34 @@ CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
 # end of Binary Emulations
 
 CONFIG_HAVE_KVM=y
+CONFIG_HAVE_KVM_PFNCACHE=y
+CONFIG_HAVE_KVM_IRQCHIP=y
+CONFIG_HAVE_KVM_IRQFD=y
+CONFIG_HAVE_KVM_IRQ_ROUTING=y
+CONFIG_HAVE_KVM_DIRTY_RING=y
+CONFIG_HAVE_KVM_DIRTY_RING_TSO=y
+CONFIG_HAVE_KVM_DIRTY_RING_ACQ_REL=y
+CONFIG_HAVE_KVM_EVENTFD=y
+CONFIG_KVM_MMIO=y
+CONFIG_KVM_ASYNC_PF=y
+CONFIG_HAVE_KVM_MSI=y
+CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT=y
+CONFIG_KVM_VFIO=y
+CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y
+CONFIG_KVM_COMPAT=y
+CONFIG_HAVE_KVM_IRQ_BYPASS=y
+CONFIG_HAVE_KVM_NO_POLL=y
+CONFIG_KVM_XFER_TO_GUEST_WORK=y
+CONFIG_KVM_GENERIC_HARDWARE_ENABLING=y
 CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=y
+CONFIG_KVM_WERROR=y
+CONFIG_KVM_INTEL=y
+CONFIG_KVM_AMD=y
+CONFIG_KVM_SMM=y
+# CONFIG_KVM_XEN is not set
+# CONFIG_KVM_PROVE_MMU is not set
+CONFIG_KVM_MAX_NR_VCPUS=1024
 CONFIG_AS_AVX512=y
 CONFIG_AS_SHA1_NI=y
 CONFIG_AS_SHA256_NI=y
@@ -615,6 +646,7 @@ CONFIG_JUMP_LABEL=y
 # CONFIG_STATIC_CALL_SELFTEST is not set
 CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
 CONFIG_ARCH_USE_BUILTIN_BSWAP=y
+CONFIG_USER_RETURN_NOTIFIER=y
 CONFIG_HAVE_IOREMAP_PROT=y
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
@@ -786,6 +818,7 @@ CONFIG_BFQ_GROUP_IOSCHED=y
 # CONFIG_BFQ_CGROUP_DEBUG is not set
 # end of IO Schedulers
 
+CONFIG_PREEMPT_NOTIFIERS=y
 CONFIG_ASN1=y
 CONFIG_UNINLINE_SPIN_UNLOCK=y
 CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
@@ -859,6 +892,7 @@ CONFIG_ARCH_ENABLE_THP_MIGRATION=y
 CONFIG_CONTIG_ALLOC=y
 CONFIG_PCP_BATCH_SCALE_MAX=5
 CONFIG_PHYS_ADDR_T_64BIT=y
+CONFIG_MMU_NOTIFIER=y
 CONFIG_KSM=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
@@ -3222,6 +3256,7 @@ CONFIG_RTC_MC146818_LIB=y
 
 # CONFIG_UIO is not set
 # CONFIG_VFIO is not set
+CONFIG_IRQ_BYPASS_MANAGER=y
 # CONFIG_VIRT_DRIVERS is not set
 CONFIG_VIRTIO_ANCHOR=y
 CONFIG_VIRTIO=y
@@ -3975,6 +4010,7 @@ CONFIG_TEXTSEARCH=y
 CONFIG_TEXTSEARCH_KMP=y
 CONFIG_TEXTSEARCH_BM=y
 CONFIG_TEXTSEARCH_FSM=y
+CONFIG_INTERVAL_TREE=y
 CONFIG_XARRAY_MULTI=y
 CONFIG_ASSOCIATIVE_ARRAY=y
 CONFIG_HAS_IOMEM=y