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Fri, 29 May 2020 17:01:41 +0100 From: Marc Zyngier To: Paolo Bonzini Subject: [PATCH 02/24] KVM: arm64: Kill off CONFIG_KVM_ARM_HOST Date: Fri, 29 May 2020 17:00:59 +0100 Message-Id: <20200529160121.899083-3-maz@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200529160121.899083-1-maz@kernel.org> References: <20200529160121.899083-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: pbonzini@redhat.com, alexandru.elisei@arm.com, ascull@google.com, ardb@kernel.org, christoffer.dall@arm.com, dbrazdil@google.com, tabba@google.com, james.morse@arm.com, giangyi@amazon.com, zhukeqian1@huawei.com, mark.rutland@arm.com, suzuki.poulose@arm.com, will@kernel.org, yuzenghui@huawei.com, julien.thierry.kdev@gmail.com, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200529_090143_052793_7130450D X-CRM114-Status: GOOD ( 13.24 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, Will Deacon , Suzuki K Poulose , Keqian Zhu , Christoffer Dall , Jiang Yi , James Morse , Andrew Scull , Zenghui Yu , Julien Thierry , David Brazdil , Alexandru Elisei , Ard Biesheuvel , Fuad Tabba , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Will Deacon CONFIG_KVM_ARM_HOST is just a proxy for CONFIG_KVM, so remove it in favour of the latter. Signed-off-by: Will Deacon Signed-off-by: Fuad Tabba Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20200505154520.194120-2-tabba@google.com --- arch/arm64/kernel/asm-offsets.c | 2 +- arch/arm64/kernel/cpu_errata.c | 2 +- arch/arm64/kernel/smp.c | 2 +- arch/arm64/kvm/Kconfig | 6 ---- arch/arm64/kvm/Makefile | 52 ++++++++++++++++----------------- arch/arm64/kvm/hyp/Makefile | 22 +++++++------- 6 files changed, 40 insertions(+), 46 deletions(-) diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c index 9981a0a5a87f..a27e0cd731e9 100644 --- a/arch/arm64/kernel/asm-offsets.c +++ b/arch/arm64/kernel/asm-offsets.c @@ -96,7 +96,7 @@ int main(void) DEFINE(CPU_BOOT_PTRAUTH_KEY, offsetof(struct secondary_data, ptrauth_key)); #endif BLANK(); -#ifdef CONFIG_KVM_ARM_HOST +#ifdef CONFIG_KVM DEFINE(VCPU_CONTEXT, offsetof(struct kvm_vcpu, arch.ctxt)); DEFINE(VCPU_FAULT_DISR, offsetof(struct kvm_vcpu, arch.fault.disr_el1)); DEFINE(VCPU_WORKAROUND_FLAGS, offsetof(struct kvm_vcpu, arch.workaround_flags)); diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index df56d2295d16..a102321fc8a2 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -234,7 +234,7 @@ static int detect_harden_bp_fw(void) smccc_end = NULL; break; -#if IS_ENABLED(CONFIG_KVM_ARM_HOST) +#if IS_ENABLED(CONFIG_KVM) case SMCCC_CONDUIT_SMC: cb = call_smc_arch_workaround_1; smccc_start = __smccc_workaround_1_smc; diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 061f60fe452f..0a3045d9f33f 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -430,7 +430,7 @@ static void __init hyp_mode_check(void) "CPU: CPUs started in inconsistent modes"); else pr_info("CPU: All CPU(s) started at EL1\n"); - if (IS_ENABLED(CONFIG_KVM_ARM_HOST)) + if (IS_ENABLED(CONFIG_KVM)) kvm_compute_layout(); } diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index 449386d76441..ce724e526689 100644 --- a/arch/arm64/kvm/Kconfig +++ b/arch/arm64/kvm/Kconfig @@ -28,7 +28,6 @@ config KVM select HAVE_KVM_CPU_RELAX_INTERCEPT select HAVE_KVM_ARCH_TLB_FLUSH_ALL select KVM_MMIO - select KVM_ARM_HOST select KVM_GENERIC_DIRTYLOG_READ_PROTECT select SRCU select KVM_VFIO @@ -50,11 +49,6 @@ config KVM If unsure, say N. -config KVM_ARM_HOST - bool - ---help--- - Provides host support for ARM processors. - config KVM_ARM_PMU bool ---help--- diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile index 7a3768538343..419696e615b3 100644 --- a/arch/arm64/kvm/Makefile +++ b/arch/arm64/kvm/Makefile @@ -7,33 +7,33 @@ ccflags-y += -I $(srctree)/$(src) KVM=../../../virt/kvm -obj-$(CONFIG_KVM_ARM_HOST) += kvm.o -obj-$(CONFIG_KVM_ARM_HOST) += hyp/ +obj-$(CONFIG_KVM) += kvm.o +obj-$(CONFIG_KVM) += hyp/ -kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o -kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/eventfd.o $(KVM)/vfio.o $(KVM)/irqchip.o -kvm-$(CONFIG_KVM_ARM_HOST) += arm.o mmu.o mmio.o -kvm-$(CONFIG_KVM_ARM_HOST) += psci.o perf.o -kvm-$(CONFIG_KVM_ARM_HOST) += hypercalls.o -kvm-$(CONFIG_KVM_ARM_HOST) += pvtime.o +kvm-$(CONFIG_KVM) += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o +kvm-$(CONFIG_KVM) += $(KVM)/eventfd.o $(KVM)/vfio.o $(KVM)/irqchip.o +kvm-$(CONFIG_KVM) += arm.o mmu.o mmio.o +kvm-$(CONFIG_KVM) += psci.o perf.o +kvm-$(CONFIG_KVM) += hypercalls.o +kvm-$(CONFIG_KVM) += pvtime.o -kvm-$(CONFIG_KVM_ARM_HOST) += inject_fault.o regmap.o va_layout.o -kvm-$(CONFIG_KVM_ARM_HOST) += hyp.o hyp-init.o handle_exit.o -kvm-$(CONFIG_KVM_ARM_HOST) += guest.o debug.o reset.o sys_regs.o sys_regs_generic_v8.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic-sys-reg-v3.o fpsimd.o pmu.o -kvm-$(CONFIG_KVM_ARM_HOST) += aarch32.o -kvm-$(CONFIG_KVM_ARM_HOST) += arch_timer.o +kvm-$(CONFIG_KVM) += inject_fault.o regmap.o va_layout.o +kvm-$(CONFIG_KVM) += hyp.o hyp-init.o handle_exit.o +kvm-$(CONFIG_KVM) += guest.o debug.o reset.o sys_regs.o sys_regs_generic_v8.o +kvm-$(CONFIG_KVM) += vgic-sys-reg-v3.o fpsimd.o pmu.o +kvm-$(CONFIG_KVM) += aarch32.o +kvm-$(CONFIG_KVM) += arch_timer.o kvm-$(CONFIG_KVM_ARM_PMU) += pmu-emul.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-init.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-irqfd.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-v2.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-v3.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-v4.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-mmio.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-mmio-v2.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-mmio-v3.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-kvm-device.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-its.o -kvm-$(CONFIG_KVM_ARM_HOST) += vgic/vgic-debug.o +kvm-$(CONFIG_KVM) += vgic/vgic.o +kvm-$(CONFIG_KVM) += vgic/vgic-init.o +kvm-$(CONFIG_KVM) += vgic/vgic-irqfd.o +kvm-$(CONFIG_KVM) += vgic/vgic-v2.o +kvm-$(CONFIG_KVM) += vgic/vgic-v3.o +kvm-$(CONFIG_KVM) += vgic/vgic-v4.o +kvm-$(CONFIG_KVM) += vgic/vgic-mmio.o +kvm-$(CONFIG_KVM) += vgic/vgic-mmio-v2.o +kvm-$(CONFIG_KVM) += vgic/vgic-mmio-v3.o +kvm-$(CONFIG_KVM) += vgic/vgic-kvm-device.o +kvm-$(CONFIG_KVM) += vgic/vgic-its.o +kvm-$(CONFIG_KVM) += vgic/vgic-debug.o diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile index dc18274a6826..8229e47ba870 100644 --- a/arch/arm64/kvm/hyp/Makefile +++ b/arch/arm64/kvm/hyp/Makefile @@ -6,17 +6,17 @@ ccflags-y += -fno-stack-protector -DDISABLE_BRANCH_PROFILING \ $(DISABLE_STACKLEAK_PLUGIN) -obj-$(CONFIG_KVM_ARM_HOST) += vgic-v3-sr.o -obj-$(CONFIG_KVM_ARM_HOST) += timer-sr.o -obj-$(CONFIG_KVM_ARM_HOST) += aarch32.o -obj-$(CONFIG_KVM_ARM_HOST) += vgic-v2-cpuif-proxy.o -obj-$(CONFIG_KVM_ARM_HOST) += sysreg-sr.o -obj-$(CONFIG_KVM_ARM_HOST) += debug-sr.o -obj-$(CONFIG_KVM_ARM_HOST) += entry.o -obj-$(CONFIG_KVM_ARM_HOST) += switch.o -obj-$(CONFIG_KVM_ARM_HOST) += fpsimd.o -obj-$(CONFIG_KVM_ARM_HOST) += tlb.o -obj-$(CONFIG_KVM_ARM_HOST) += hyp-entry.o +obj-$(CONFIG_KVM) += vgic-v3-sr.o +obj-$(CONFIG_KVM) += timer-sr.o +obj-$(CONFIG_KVM) += aarch32.o +obj-$(CONFIG_KVM) += vgic-v2-cpuif-proxy.o +obj-$(CONFIG_KVM) += sysreg-sr.o +obj-$(CONFIG_KVM) += debug-sr.o +obj-$(CONFIG_KVM) += entry.o +obj-$(CONFIG_KVM) += switch.o +obj-$(CONFIG_KVM) += fpsimd.o +obj-$(CONFIG_KVM) += tlb.o +obj-$(CONFIG_KVM) += hyp-entry.o # KVM code is run at a different exception code with a different map, so # compiler instrumentation that inserts callbacks or checks into the code may