Messages in this thread Patch in this message | | | From | Lai Jiangshan <> | Subject | [PATCH V3 10/12] KVM: X86/MMU: Remove unused INVALID_PAE_ROOT and IS_VALID_PAE_ROOT | Date | Sat, 21 May 2022 21:16:58 +0800 |
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From: Lai Jiangshan <jiangshan.ljs@antgroup.com>
They are unused and replaced with 0ull like other zero sptes and is_shadow_present_pte().
Signed-off-by: Lai Jiangshan <jiangshan.ljs@antgroup.com> --- arch/x86/kvm/mmu/mmu_internal.h | 10 ---------- 1 file changed, 10 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h index bd2a26897b97..4feb1ac2742c 100644 --- a/arch/x86/kvm/mmu/mmu_internal.h +++ b/arch/x86/kvm/mmu/mmu_internal.h @@ -20,16 +20,6 @@ extern bool dbg; #define MMU_WARN_ON(x) do { } while (0) #endif -/* - * Unlike regular MMU roots, PAE "roots", a.k.a. PDPTEs/PDPTRs, have a PRESENT - * bit, and thus are guaranteed to be non-zero when valid. And, when a guest - * PDPTR is !PRESENT, its corresponding PAE root cannot be set to INVALID_PAGE, - * as the CPU would treat that as PRESENT PDPTR with reserved bits set. Use - * '0' instead of INVALID_PAGE to indicate an invalid PAE root. - */ -#define INVALID_PAE_ROOT 0 -#define IS_VALID_PAE_ROOT(x) (!!(x)) - typedef u64 __rcu *tdp_ptep_t; struct kvm_mmu_page { -- 2.19.1.6.gb485710b
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