Thread (79 messages) 79 messages, 10 authors, 2025-10-07

Re: [PATCH 22/34] KVM: selftests: Drop unused kvm_userspace_memory_region_find() helper

From: Fuad Tabba <hidden>
Date: 2023-11-06 11:03:18
Also in: kvm, kvm-riscv, kvmarm, linux-arm-kernel, linux-fsdevel, linux-mips, linux-mm, linux-riscv, lkml

On Sun, Nov 5, 2023 at 4:33 PM Paolo Bonzini [off-list ref] wrote:
From: Sean Christopherson <seanjc@google.com>

Drop kvm_userspace_memory_region_find(), it's unused and a terrible API
(probably why it's unused).  If anything outside of kvm_util.c needs to
get at the memslot, userspace_mem_region_find() can be exposed to give
others full access to all memory region/slot information.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: [ref]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
Reviewed-by: Fuad Tabba <redacted>
Tested-by: Fuad Tabba <redacted>

Cheers,
/fuad
quoted hunk ↗ jump to hunk
 .../selftests/kvm/include/kvm_util_base.h     |  4 ---
 tools/testing/selftests/kvm/lib/kvm_util.c    | 29 -------------------
 2 files changed, 33 deletions(-)
diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index a18db6a7b3cf..967eaaeacd75 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -776,10 +776,6 @@ vm_adjust_num_guest_pages(enum vm_guest_mode mode, unsigned int num_guest_pages)
        return n;
 }

-struct kvm_userspace_memory_region *
-kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start,
-                                uint64_t end);
-
 #define sync_global_to_guest(vm, g) ({                         \
        typeof(g) *_p = addr_gva2hva(vm, (vm_vaddr_t)&(g));     \
        memcpy(_p, &(g), sizeof(g));                            \
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 7a8af1821f5d..f09295d56c23 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -590,35 +590,6 @@ userspace_mem_region_find(struct kvm_vm *vm, uint64_t start, uint64_t end)
        return NULL;
 }

-/*
- * KVM Userspace Memory Region Find
- *
- * Input Args:
- *   vm - Virtual Machine
- *   start - Starting VM physical address
- *   end - Ending VM physical address, inclusive.
- *
- * Output Args: None
- *
- * Return:
- *   Pointer to overlapping region, NULL if no such region.
- *
- * Public interface to userspace_mem_region_find. Allows tests to look up
- * the memslot datastructure for a given range of guest physical memory.
- */
-struct kvm_userspace_memory_region *
-kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start,
-                                uint64_t end)
-{
-       struct userspace_mem_region *region;
-
-       region = userspace_mem_region_find(vm, start, end);
-       if (!region)
-               return NULL;
-
-       return &region->region;
-}
-
 __weak void vcpu_arch_free(struct kvm_vcpu *vcpu)
 {

--
2.39.1
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help