linux-kernel - [PATCH] KVM: MIPS: Make kvm_mips

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Date:   Fri, 24 Feb 2023 11:28:32 -0800
From:   Sean Christopherson <seanjc@...gle.com>
To:     Huacai Chen <chenhuacai@...nel.org>,
        Aleksandar Markovic <aleksandar.qemu.devel@...il.com>
Cc:     linux-mips@...r.kernel.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Philippe Mathieu-Daudé" <philmd@...aro.org>,
        Sean Christopherson <seanjc@...gle.com>
Subject: [PATCH] KVM: MIPS: Make kvm_mips_callbacks const

Make kvm_mips_callbacks fully const as it's now hardcoded to point at
kvm_vz_callbacks, the only remaining the set of callbacks.

Link: https://lore.kernel.org/all/beb697c2-dfad-780e-4638-76b229f28731@linaro.org
Suggested-by: Philippe Mathieu-Daudé <philmd@...aro.org>
Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 arch/mips/include/asm/kvm_host.h | 2 +-
 arch/mips/kvm/vz.c               | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index 2803c9c21ef9..957121a495f0 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -757,7 +757,7 @@ struct kvm_mips_callbacks {
 	int (*vcpu_run)(struct kvm_vcpu *vcpu);
 	void (*vcpu_reenter)(struct kvm_vcpu *vcpu);
 };
-extern struct kvm_mips_callbacks *kvm_mips_callbacks;
+extern const struct kvm_mips_callbacks * const kvm_mips_callbacks;
 int kvm_mips_emulation_init(void);
 
 /* Debug: dump vcpu state */
diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c
index dafab003ea0d..3d21cbfa7443 100644
--- a/arch/mips/kvm/vz.c
+++ b/arch/mips/kvm/vz.c
@@ -3305,7 +3305,7 @@ static struct kvm_mips_callbacks kvm_vz_callbacks = {
 };
 
 /* FIXME: Get rid of the callbacks now that trap-and-emulate is gone. */
-struct kvm_mips_callbacks *kvm_mips_callbacks = &kvm_vz_callbacks;
+const struct kvm_mips_callbacks * const kvm_mips_callbacks = &kvm_vz_callbacks;
 
 int kvm_mips_emulation_init(void)
 {

base-commit: 3ad108511e1c19ff3a3fcb9a39b3eaebf4dd4054
-- 
2.39.2.722.g9855ee24e9-goog