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Message-Id: <20210226010329.1766033-5-seanjc@google.com>
Date: Thu, 25 Feb 2021 17:03:28 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Paolo Bonzini <pbonzini@...hat.com>
Cc: Sean Christopherson <seanjc@...gle.com>,
Vitaly Kuznetsov <vkuznets@...hat.com>,
Wanpeng Li <wanpengli@...cent.com>,
Jim Mattson <jmattson@...gle.com>,
Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org, Ben Gardon <bgardon@...gle.com>
Subject: [PATCH 4/5] KVM: x86/mmu: Add typedefs for rmap/iter handlers
Add typedefs for the MMU handlers that are invoked when walking the MMU
SPTEs (rmaps in legacy MMU) to act on a host virtual address range.
No functional change intended.
Cc: Ben Gardon <bgardon@...gle.com>
Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
arch/x86/kvm/mmu/mmu.c | 27 ++++++++++-----------------
arch/x86/kvm/mmu/tdp_mmu.c | 20 +++++++++-----------
2 files changed, 19 insertions(+), 28 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index d75524bc8423..1ee01ca196bd 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -1424,17 +1424,15 @@ static void slot_rmap_walk_next(struct slot_rmap_walk_iterator *iterator)
slot_rmap_walk_okay(_iter_); \
slot_rmap_walk_next(_iter_))
-static __always_inline int
-kvm_handle_hva_range(struct kvm *kvm,
- unsigned long start,
- unsigned long end,
- unsigned long data,
- int (*handler)(struct kvm *kvm,
- struct kvm_rmap_head *rmap_head,
- struct kvm_memory_slot *slot,
- gfn_t gfn,
- int level,
- unsigned long data))
+typedef int (*rmap_handler_t)(struct kvm *kvm, struct kvm_rmap_head *rmap_head,
+ struct kvm_memory_slot *slot, gfn_t gfn,
+ int level, unsigned long data);
+
+static __always_inline int kvm_handle_hva_range(struct kvm *kvm,
+ unsigned long start,
+ unsigned long end,
+ unsigned long data,
+ rmap_handler_t handler)
{
struct kvm_memslots *slots;
struct kvm_memory_slot *memslot;
@@ -1473,12 +1471,7 @@ kvm_handle_hva_range(struct kvm *kvm,
}
static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
- unsigned long data,
- int (*handler)(struct kvm *kvm,
- struct kvm_rmap_head *rmap_head,
- struct kvm_memory_slot *slot,
- gfn_t gfn, int level,
- unsigned long data))
+ unsigned long data, rmap_handler_t handler)
{
return kvm_handle_hva_range(kvm, hva, hva + 1, data, handler);
}
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 9ce8d226b621..b6f829b58e67 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -879,17 +879,15 @@ int kvm_tdp_mmu_map(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code,
return ret;
}
-static __always_inline int
-kvm_tdp_mmu_handle_hva_range(struct kvm *kvm,
- unsigned long start,
- unsigned long end,
- unsigned long data,
- int (*handler)(struct kvm *kvm,
- struct kvm_memory_slot *slot,
- struct kvm_mmu_page *root,
- gfn_t start,
- gfn_t end,
- unsigned long data))
+typedef int (*tdp_handler_t)(struct kvm *kvm, struct kvm_memory_slot *slot,
+ struct kvm_mmu_page *root, gfn_t start, gfn_t end,
+ unsigned long data);
+
+static __always_inline int kvm_tdp_mmu_handle_hva_range(struct kvm *kvm,
+ unsigned long start,
+ unsigned long end,
+ unsigned long data,
+ tdp_handler_t handler)
{
struct kvm_memslots *slots;
struct kvm_memory_slot *memslot;
--
2.30.1.766.gb4fecdf3b7-goog
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