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Date: Tue, 30 Nov 2021 22:41:25 +0100
From: "Maciej S. Szmigiero" <mail@...iej.szmigiero.name>
To: Paolo Bonzini <pbonzini@...hat.com>,
Sean Christopherson <seanjc@...gle.com>
Cc: Vitaly Kuznetsov <vkuznets@...hat.com>,
Wanpeng Li <wanpengli@...cent.com>,
Jim Mattson <jmattson@...gle.com>,
Joerg Roedel <joro@...tes.org>,
Igor Mammedov <imammedo@...hat.com>,
Marc Zyngier <maz@...nel.org>,
James Morse <james.morse@....com>,
Julien Thierry <julien.thierry.kdev@...il.com>,
Suzuki K Poulose <suzuki.poulose@....com>,
Huacai Chen <chenhuacai@...nel.org>,
Aleksandar Markovic <aleksandar.qemu.devel@...il.com>,
Paul Mackerras <paulus@...abs.org>,
Christian Borntraeger <borntraeger@...ibm.com>,
Janosch Frank <frankja@...ux.ibm.com>,
David Hildenbrand <david@...hat.com>,
Cornelia Huck <cohuck@...hat.com>,
Claudio Imbrenda <imbrenda@...ux.ibm.com>,
Anup Patel <anup.patel@....com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Alexandru Elisei <alexandru.elisei@....com>,
Atish Patra <atish.patra@....com>,
Ben Gardon <bgardon@...gle.com>, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v6 12/29] KVM: Stop passing kvm_userspace_memory_region to arch memslot hooks
From: Sean Christopherson <seanjc@...gle.com>
Drop the @mem param from kvm_arch_{prepare,commit}_memory_region() now
that its use has been removed in all architectures.
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@...gle.com>
Reviewed-by: Maciej S. Szmigiero <maciej.szmigiero@...cle.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@...cle.com>
---
arch/arm64/kvm/mmu.c | 2 --
arch/mips/kvm/mips.c | 2 --
arch/powerpc/kvm/powerpc.c | 2 --
arch/riscv/kvm/mmu.c | 2 --
arch/s390/kvm/kvm-s390.c | 2 --
arch/x86/kvm/x86.c | 2 --
include/linux/kvm_host.h | 2 --
virt/kvm/kvm_main.c | 9 ++++-----
8 files changed, 4 insertions(+), 19 deletions(-)
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index dd95350ea15d..9b2d881ccf49 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -1463,7 +1463,6 @@ int kvm_mmu_init(u32 *hyp_va_bits)
}
void kvm_arch_commit_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
@@ -1486,7 +1485,6 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
}
int kvm_arch_prepare_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *new,
enum kvm_mr_change change)
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index bda717301db8..e59cb6246f76 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -214,7 +214,6 @@ void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
}
int kvm_arch_prepare_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *new,
enum kvm_mr_change change)
@@ -223,7 +222,6 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
}
void kvm_arch_commit_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index e207de17958d..2ad0ccd202d5 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -698,7 +698,6 @@ void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot)
}
int kvm_arch_prepare_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *new,
enum kvm_mr_change change)
@@ -707,7 +706,6 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
}
void kvm_arch_commit_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
diff --git a/arch/riscv/kvm/mmu.c b/arch/riscv/kvm/mmu.c
index 573ade138204..7d884b15cf5e 100644
--- a/arch/riscv/kvm/mmu.c
+++ b/arch/riscv/kvm/mmu.c
@@ -462,7 +462,6 @@ void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
}
void kvm_arch_commit_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
@@ -477,7 +476,6 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
}
int kvm_arch_prepare_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *new,
enum kvm_mr_change change)
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 6947edf3da60..481789873c81 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -5007,7 +5007,6 @@ vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf)
/* Section: memory related */
int kvm_arch_prepare_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *new,
enum kvm_mr_change change)
@@ -5035,7 +5034,6 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
}
void kvm_arch_commit_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index e657c238b642..1a598b0c3e36 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -11723,7 +11723,6 @@ void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen)
}
int kvm_arch_prepare_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *new,
enum kvm_mr_change change)
@@ -11827,7 +11826,6 @@ static void kvm_mmu_slot_apply_flags(struct kvm *kvm,
}
void kvm_arch_commit_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 1024b40b1567..9f984867c297 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -835,12 +835,10 @@ int __kvm_set_memory_region(struct kvm *kvm,
void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot);
void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen);
int kvm_arch_prepare_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *new,
enum kvm_mr_change change);
void kvm_arch_commit_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 67b081d477d8..b778b8ab1885 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1552,7 +1552,6 @@ static void kvm_copy_memslots_arch(struct kvm_memslots *to,
}
static int kvm_set_memslot(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot *new,
enum kvm_mr_change change)
{
@@ -1638,7 +1637,7 @@ static int kvm_set_memslot(struct kvm *kvm,
old.as_id = new->as_id;
}
- r = kvm_arch_prepare_memory_region(kvm, mem, &old, new, change);
+ r = kvm_arch_prepare_memory_region(kvm, &old, new, change);
if (r)
goto out_slots;
@@ -1654,7 +1653,7 @@ static int kvm_set_memslot(struct kvm *kvm,
else if (change == KVM_MR_CREATE)
kvm->nr_memslot_pages += new->npages;
- kvm_arch_commit_memory_region(kvm, mem, &old, new, change);
+ kvm_arch_commit_memory_region(kvm, &old, new, change);
/* Free the old memslot's metadata. Note, this is the full copy!!! */
if (change == KVM_MR_DELETE)
@@ -1739,7 +1738,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
new.id = id;
new.as_id = as_id;
- return kvm_set_memslot(kvm, mem, &new, KVM_MR_DELETE);
+ return kvm_set_memslot(kvm, &new, KVM_MR_DELETE);
}
new.as_id = as_id;
@@ -1802,7 +1801,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
bitmap_set(new.dirty_bitmap, 0, new.npages);
}
- r = kvm_set_memslot(kvm, mem, &new, change);
+ r = kvm_set_memslot(kvm, &new, change);
if (r)
goto out_bitmap;
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