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KVM: arm64: Constify kvm_io_gic_ops

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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 <rikard.falkeborn@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211204213518.83642-1-rikard.falkeborn@gmail.com
This commit is contained in:
Rikard Falkeborn 2021-12-04 22:35:18 +01:00 committed by Marc Zyngier
parent 00e228b315
commit 636dcd0204
2 changed files with 2 additions and 2 deletions
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2
arch/arm64/kvm/vgic/vgic-mmio.c
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@ -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,
};

2
arch/arm64/kvm/vgic/vgic-mmio.h
View File

@ -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