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KVM: x86/mmu: Collapse kvm_flush_remote_tlbs_with_{range,address}() together

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Collapse kvm_flush_remote_tlbs_with_range() and
kvm_flush_remote_tlbs_with_address() into a single function. This
eliminates some lines of code and a useless NULL check on the range
struct.

Opportunistically switch from ENOTSUPP to EOPNOTSUPP to make checkpatch
happy.

Signed-off-by: David Matlack <dmatlack@google.com>
Link: https://lore.kernel.org/r/20230126184025.2294823-4-dmatlack@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
David Matlack 2023-01-26 10:40:21 -08:00 committed by Sean Christopherson
parent 141705b783
commit 28e4b4597d
1 changed files with 6 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
arch/x86/kvm/mmu/mmu.c
View File

@ -261,27 +261,20 @@ static inline bool kvm_available_flush_tlb_with_range(void)
return kvm_x86_ops.tlb_remote_flush_with_range;
}
static void kvm_flush_remote_tlbs_with_range(struct kvm *kvm,
struct kvm_tlb_range *range)
{
int ret = -ENOTSUPP;
if (range && kvm_x86_ops.tlb_remote_flush_with_range)
ret = static_call(kvm_x86_tlb_remote_flush_with_range)(kvm, range);
if (ret)
kvm_flush_remote_tlbs(kvm);
}
void kvm_flush_remote_tlbs_with_address(struct kvm *kvm,
u64 start_gfn, u64 pages)
{
struct kvm_tlb_range range;
int ret = -EOPNOTSUPP;
range.start_gfn = start_gfn;
range.pages = pages;
kvm_flush_remote_tlbs_with_range(kvm, &range);
if (kvm_x86_ops.tlb_remote_flush_with_range)
ret = static_call(kvm_x86_tlb_remote_flush_with_range)(kvm, &range);
if (ret)
kvm_flush_remote_tlbs(kvm);
}
static gfn_t kvm_mmu_page_get_gfn(struct kvm_mmu_page *sp, int index);