linux-kernel - [PATCH v2 20/24] KVM: x86/mmu: Export kvm_tdp_map

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Message-ID: <20241112073827.22270-1-yan.y.zhao@intel.com>
Date: Tue, 12 Nov 2024 15:38:27 +0800
From: Yan Zhao <yan.y.zhao@...el.com>
To: pbonzini@...hat.com,
	seanjc@...gle.com,
	kvm@...r.kernel.org,
	dave.hansen@...ux.intel.com
Cc: rick.p.edgecombe@...el.com,
	kai.huang@...el.com,
	adrian.hunter@...el.com,
	reinette.chatre@...el.com,
	xiaoyao.li@...el.com,
	tony.lindgren@...el.com,
	binbin.wu@...ux.intel.com,
	dmatlack@...gle.com,
	isaku.yamahata@...el.com,
	isaku.yamahata@...il.com,
	nik.borisov@...e.com,
	linux-kernel@...r.kernel.org,
	x86@...nel.org
Subject: [PATCH v2 20/24] KVM: x86/mmu: Export kvm_tdp_map_page()

From: Rick Edgecombe <rick.p.edgecombe@...el.com>

In future changes coco specific code will need to call kvm_tdp_map_page()
from within their respective gmem_post_populate() callbacks. Export it
so this can be done from vendor specific code. Since kvm_mmu_reload()
will be needed for this operation, export its callee kvm_mmu_load() as
well.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@...el.com>
Signed-off-by: Yan Zhao <yan.y.zhao@...el.com>
---
TDX MMU part 2 v2:
 - Updated patch msg to mention kvm_mmu_load() is kvm_mmu_reload()'s callee
   (Paolo)

TDX MMU part 2 v1:
 - New patch
---
 arch/x86/kvm/mmu/mmu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index e2f75c8145fd..7157e87c5e07 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4782,6 +4782,7 @@ int kvm_tdp_map_page(struct kvm_vcpu *vcpu, gpa_t gpa, u64 error_code, u8 *level
 		return -EIO;
 	}
 }
+EXPORT_SYMBOL_GPL(kvm_tdp_map_page);
 
 long kvm_arch_vcpu_pre_fault_memory(struct kvm_vcpu *vcpu,
 				    struct kvm_pre_fault_memory *range)
@@ -5805,6 +5806,7 @@ int kvm_mmu_load(struct kvm_vcpu *vcpu)
 out:
 	return r;
 }
+EXPORT_SYMBOL_GPL(kvm_mmu_load);
 
 void kvm_mmu_unload(struct kvm_vcpu *vcpu)
 {
-- 
2.43.2