From: Rikard Falkeborn Date: Sat, 4 Dec 2021 21:35:18 +0000 (+0100) Subject: KVM: arm64: Constify kvm_io_gic_ops X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=636dcd0204599f94680f8f87b46cef7c66034ac0;p=linux.git KVM: arm64: Constify kvm_io_gic_ops The only usage of kvm_io_gic_ops is to make a comparison with its address and to pass its address to kvm_iodevice_init() which takes a pointer to const kvm_io_device_ops as input. Make it const to allow the compiler to put it in read-only memory. Signed-off-by: Rikard Falkeborn Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20211204213518.83642-1-rikard.falkeborn@gmail.com --- diff --git a/arch/arm64/kvm/vgic/vgic-mmio.c b/arch/arm64/kvm/vgic/vgic-mmio.c index 48c6067fc5ecb..7068da080799c 100644 --- a/arch/arm64/kvm/vgic/vgic-mmio.c +++ b/arch/arm64/kvm/vgic/vgic-mmio.c @@ -1050,7 +1050,7 @@ static int dispatch_mmio_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, return 0; } -struct kvm_io_device_ops kvm_io_gic_ops = { +const struct kvm_io_device_ops kvm_io_gic_ops = { .read = dispatch_mmio_read, .write = dispatch_mmio_write, }; diff --git a/arch/arm64/kvm/vgic/vgic-mmio.h b/arch/arm64/kvm/vgic/vgic-mmio.h index fefcca2b14dc7..3fa696f198a37 100644 --- a/arch/arm64/kvm/vgic/vgic-mmio.h +++ b/arch/arm64/kvm/vgic/vgic-mmio.h @@ -34,7 +34,7 @@ struct vgic_register_region { }; }; -extern struct kvm_io_device_ops kvm_io_gic_ops; +extern const struct kvm_io_device_ops kvm_io_gic_ops; #define VGIC_ACCESS_8bit 1 #define VGIC_ACCESS_32bit 2