[PATCH 7.2.y 2/7] KVM: x86: Move eager_page_split to mmu.{c,h}

[Sasha Levin <sashal@kernel.org>]

From: Sean Christopherson <seanjc@google.com>

[ Upstream commit cde542b6526639571a848e1d70f8ff6817e40e4e ]

Move KVM's eager_page_split module param to the MMU, as it is very much an
MMU knob.

No functional change intended.

Reviewed-by: Kai Huang <kai.huang@intel.com>
Reviewed-by: Yosry Ahmed <yosry@kernel.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Binbin Wu <binbin.wu@linux.intel.com>
Message-ID: <20260613000329.732085-10-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Stable-dep-of: a4b8acd428ba ("KVM: x86: Always initialize EFER reserved bits on vendor initialization")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/kvm/mmu.h     | 1 +
 arch/x86/kvm/mmu/mmu.c | 3 +++
 arch/x86/kvm/x86.c     | 3 ---
 arch/x86/kvm/x86.h     | 2 --
 4 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index 016a9fe60222e..d2721d79dc448 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -14,6 +14,7 @@ extern bool tdp_mmu_enabled;
 #define tdp_mmu_enabled false
 #endif
 extern bool __read_mostly enable_mmio_caching;
+extern bool eager_page_split;
 
 #define PT_WRITABLE_SHIFT 1
 #define PT_USER_SHIFT 2
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index a61750f8e1e37..d479fe7d423d2 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -115,6 +115,9 @@ module_param_named(tdp_mmu, tdp_mmu_enabled, bool, 0444);
 EXPORT_SYMBOL_FOR_KVM_INTERNAL(tdp_mmu_enabled);
 #endif
 
+bool __read_mostly eager_page_split = true;
+module_param(eager_page_split, bool, 0644);
+
 static int max_huge_page_level __read_mostly;
 static int tdp_root_level __read_mostly;
 static int max_tdp_level __read_mostly;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 47cb9eba113b1..5cec74e1afc86 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -181,9 +181,6 @@ module_param(force_emulation_prefix, int, 0644);
 int __read_mostly pi_inject_timer = -1;
 module_param(pi_inject_timer, bint, 0644);
 
-bool __read_mostly eager_page_split = true;
-module_param(eager_page_split, bool, 0644);
-
 /* Enable/disable SMT_RSB bug mitigation */
 static bool __read_mostly mitigate_smt_rsb;
 module_param(mitigate_smt_rsb, bool, 0444);
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 9de577ef9c974..65003b2dd1b19 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -463,8 +463,6 @@ extern int pi_inject_timer;
 
 extern bool report_ignored_msrs;
 
-extern bool eager_page_split;
-
 static inline void kvm_pr_unimpl_wrmsr(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 {
 	if (report_ignored_msrs)
-- 
2.53.0