arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c

Source file repositories/reference/linux-study-clean/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c

File Facts

System
Linux kernel
Corpus path
arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c
Extension
.c
Size
2200 bytes
Lines
94
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

if (__is_be(vcpu)) {
			/* guest pre-swabbed data, undo this for writel() */
			data = __kvm_swab32(data);
		}
		writel_relaxed(data, addr);
	} else {
		u32 data = readl_relaxed(addr);
		if (__is_be(vcpu)) {
			/* guest expects swabbed data */
			data = __kvm_swab32(data);
		}
		vcpu_set_reg(vcpu, rd, data);
	}

	__kvm_skip_instr(vcpu);

	return 1;
}

Annotation

Implementation Notes