On Mon, Sep 12, 2016 at 03:49:19PM +0100, Vladimir Murzin wrote: > Well, this patch is looking ahead of time, but we'll get following > compiler warnings as soon as we introduce vgic-v3 to 32-bit world > > CC arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-mmio-v3.o > arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-mmio-v3.c: In function 'vgic_mmio_read_v3r_typer': > arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-mmio-v3.c:184:35: warning: left shift count >= width of type [-Wshift-count-overflow] > value = (mpidr & GENMASK(23, 0)) << 32; > ^ > In file included from ./include/linux/kernel.h:10:0, > from ./include/asm-generic/bug.h:13, > from ./arch/arm/include/asm/bug.h:59, > from ./include/linux/bug.h:4, > from ./include/linux/io.h:23, > from ./arch/arm/include/asm/arch_gicv3.h:23, > from ./include/linux/irqchip/arm-gic-v3.h:411, > from arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-mmio-v3.c:14: > arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-mmio-v3.c: In function 'vgic_v3_dispatch_sgi': > ./include/linux/bitops.h:6:24: warning: left shift count >= width of type [-Wshift-count-overflow] > #define BIT(nr) (1UL << (nr)) > ^ > arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-mmio-v3.c:614:20: note: in expansion of macro 'BIT' > broadcast = reg & BIT(ICC_SGI1R_IRQ_ROUTING_MODE_BIT); > ^ > Let's fix them now. > > Signed-off-by: Vladimir Murzin <vladimir.murzin@xxxxxxx> Acked-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
