linux-kernel - [PATCH 3/9] KVM: x86/mmu: Delete the "dbg" module param

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Date:   Thu, 11 May 2023 16:59:11 -0700
From:   Sean Christopherson <seanjc@...gle.com>
To:     Sean Christopherson <seanjc@...gle.com>,
        Paolo Bonzini <pbonzini@...hat.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mingwei Zhang <mizhang@...gle.com>,
        David Matlack <dmatlack@...gle.com>,
        Jim Mattson <jmattson@...gle.com>
Subject: [PATCH 3/9] KVM: x86/mmu: Delete the "dbg" module param

Delete KVM's "dbg" module param now that its usage in KVM is gone (it
used to guard pgprintk() and rmap_printk()).

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 arch/x86/kvm/mmu/mmu.c          | 5 -----
 arch/x86/kvm/mmu/mmu_internal.h | 2 --
 2 files changed, 7 deletions(-)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index f6918c0bb82d..2b65a62fb953 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -112,11 +112,6 @@ static int max_huge_page_level __read_mostly;
 static int tdp_root_level __read_mostly;
 static int max_tdp_level __read_mostly;
 
-#ifdef MMU_DEBUG
-bool dbg = 0;
-module_param(dbg, bool, 0644);
-#endif
-
 #define PTE_PREFETCH_NUM		8
 
 #include <trace/events/kvm.h>
diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h
index 9c9dd9340c63..9ea80e4d463c 100644
--- a/arch/x86/kvm/mmu/mmu_internal.h
+++ b/arch/x86/kvm/mmu/mmu_internal.h
@@ -9,8 +9,6 @@
 #undef MMU_DEBUG
 
 #ifdef MMU_DEBUG
-extern bool dbg;
-
 #define MMU_WARN_ON(x) WARN_ON(x)
 #else
 #define MMU_WARN_ON(x) do { } while (0)
-- 
2.40.1.606.ga4b1b128d6-goog