On Sat, Mar 22, 2014 at 09:54:55AM +0530, Anup Patel wrote: > On 22 March 2014 04:57, Christoffer Dall <christoffer.dall@xxxxxxxxxx> wrote: > > On Fri, Mar 21, 2014 at 06:23:25PM +0530, Anup Patel wrote: > >> Currently, the in-kernel PSCI emulation provides PSCI v0.1 interface to > >> VCPUs. This patch extends current in-kernel PSCI emulation to provide > >> PSCI v0.2 interface to VCPUs. > >> > >> By default, ARM/ARM64 KVM will always provide PSCI v0.1 interface for > >> keeping the ABI backward-compatible. > >> > >> To select PSCI v0.2 interface for VCPUs, the user space (i.e. QEMU or > >> KVMTOOL) will have to set KVM_ARM_VCPU_PSCI_0_2 feature when doing VCPU > >> init using KVM_ARM_VCPU_INIT ioctl. > >> > >> Signed-off-by: Anup Patel <anup.patel@xxxxxxxxxx> > >> Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@xxxxxxxxxx> > > > > The content here can carry my Reviewed-by tag, but I think Rob's point > > about sharing this code between KVM arm/arm64 and the PSCI code itself > > it important, see: > > > > http://lists.infradead.org/pipermail/linux-arm-kernel/2014-March/241792.html > > My apologies, I totally missed Rob's comment. No worries at all. > > My suggestion would be to have: > arch/arm/include/uapi/asm/psci.h > arch/arm64/include/uapi/asm/psci.h I think the suggestion was to move all this to include/uapi/linux/psci.h or something equivalent so also arm and arm64 can share these defines, but maybe I read too much into it. Rob? _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
