From mboxrd@z Thu Jan 1 00:00:00 1970 From: christoffer.dall@linaro.org (Christoffer Dall) Date: Fri, 23 Sep 2016 11:25:50 +0200 Subject: [PATCH] arm/arm64: KVM: Add support for ARMv8 AArch32 execution state In-Reply-To: <1474614805-18629-1-git-send-email-b18965@freescale.com> References: <1474614805-18629-1-git-send-email-b18965@freescale.com> Message-ID: <20160923092550.GG9101@cbox> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Sep 23, 2016 at 03:13:25PM +0800, Alison Wang wrote: > The ARMv8 architecture supports two execution state, AArch64 and > AArch32. To support KVM in AArch32 execution state for ARMv8, Cortex-A53 > and Cortex-A72 need to be added for target-specific checks. > > Signed-off-by: Alison Wang > --- > arch/arm/include/asm/cputype.h | 2 ++ > arch/arm/kvm/guest.c | 2 ++ > 2 files changed, 4 insertions(+) > > diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h > index 754f86f..4f8c632 100644 > --- a/arch/arm/include/asm/cputype.h > +++ b/arch/arm/include/asm/cputype.h > @@ -75,6 +75,8 @@ > #define ARM_CPU_PART_CORTEX_A12 0x4100c0d0 > #define ARM_CPU_PART_CORTEX_A17 0x4100c0e0 > #define ARM_CPU_PART_CORTEX_A15 0x4100c0f0 > +#define ARM_CPU_PART_CORTEX_A53_AARCH32 0x4100d030 > +#define ARM_CPU_PART_CORTEX_A72_AARCH32 0x4100d080 > #define ARM_CPU_PART_MASK 0xff00fff0 > > /* DEC implemented cores */ > diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c > index 9aca920..462a099 100644 > --- a/arch/arm/kvm/guest.c > +++ b/arch/arm/kvm/guest.c > @@ -252,6 +252,8 @@ int __attribute_const__ kvm_target_cpu(void) > { > switch (read_cpuid_part()) { > case ARM_CPU_PART_CORTEX_A7: > + case ARM_CPU_PART_CORTEX_A53_AARCH32: > + case ARM_CPU_PART_CORTEX_A72_AARCH32: huh? why are we mapping A53 and A72 cores to an A7 core? -Christoffer