lkml.org 
[lkml]   [2021]   [Dec]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] KVM: arm64: Constify kvm_io_gic_ops
Date
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>
---
arch/arm64/kvm/vgic/vgic-mmio.c | 2 +-
arch/arm64/kvm/vgic/vgic-mmio.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kvm/vgic/vgic-mmio.c b/arch/arm64/kvm/vgic/vgic-mmio.c
index 48c6067fc5ec..7068da080799 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 fefcca2b14dc..3fa696f198a3 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
--
2.34.1
\
 
 \ /
  Last update: 2021-12-04 22:35    [W:0.050 / U:3.784 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site