From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Mon, 8 Apr 2013 16:47:18 +0100 Subject: [PATCH 1/2] ARM: KVM: add architecture specific hook for capabilities In-Reply-To: <1365436039-29564-1-git-send-email-marc.zyngier@arm.com> References: <1365436039-29564-1-git-send-email-marc.zyngier@arm.com> Message-ID: <1365436039-29564-2-git-send-email-marc.zyngier@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Most of the capabilities are common to both arm and arm64, but we still need to handle the exceptions. Introduce kvm_arch_dev_ioctl_check_extention, which both architectures implement (in the 32bit case, it just returns 0). Signed-off-by: Marc Zyngier --- arch/arm/include/asm/kvm_host.h | 5 +++++ arch/arm/kvm/arm.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 78813b8..a81480c 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -207,6 +207,11 @@ static inline void __cpu_init_hyp_mode(unsigned long long pgd_ptr, kvm_call_hyp((void *)pgd_low, pgd_high, hyp_stack_ptr, vector_ptr); } +static inline int kvm_arch_dev_ioctl_check_extention(long ext) +{ + return 0; +} + int kvm_perf_init(void); int kvm_perf_teardown(void); diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 61f7394..ed7b1e3 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -206,7 +206,7 @@ int kvm_dev_ioctl_check_extension(long ext) r = KVM_MAX_VCPUS; break; default: - r = 0; + r = kvm_arch_dev_ioctl_check_extention(ext); break; } return r; -- 1.8.1.4