From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5318C43464 for ; Fri, 18 Sep 2020 16:50:54 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 101FC20789 for ; Fri, 18 Sep 2020 16:50:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FGCeW9mo"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="1HkIj6Jq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 101FC20789 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=cNjOdnaCsCI1AN99MJfk4HfVqte0/8L2Etp3veulGK8=; b=FGCeW9mopzt3Vj0boXUZKw63Y SIsAOve9TOZAByFPYehfJg7XCTDnGU4Y4i+nwO9VHGmNfOAxXIFGPuWX9ybxWo0086wcBOgCOzQW3 ipBF7yraG/WFMRSKq2EWk20AaywyVwLIoWIfnihcUQ5PahEx4ytY1Zgfj6nUdmOWrmnEas700JN73 ECUjuMDtIvEg1EDcUKXwJwuiMX6OzE7X0mLvWCymoc+F98I7L2pkHj0Jm4o2E5e+0lgWDYgmuU0KU 2moeK11kF50YT6ZU9ZEeeeVpkiOMioq8/9N+kjSFuLeFH2lMA5FK6v2e2xcuAOlit5HkETGzcKNZd MEZnBvI6g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kJJZH-0007Sj-Mj; Fri, 18 Sep 2020 16:49:03 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kJJY5-0006yH-7a for linux-arm-kernel@lists.infradead.org; Fri, 18 Sep 2020 16:47:52 +0000 Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6C97520872; Fri, 18 Sep 2020 16:47:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600447668; bh=oY1Fd1YhIZvxflix8rUCSe7fy1Guq2koRnV2Zp+++DE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1HkIj6JqGIbbml8+NfktKIWV4U2K1ZJwX58C6pHyxMtAV0h6e90UU8JzNNGj4ru0R dpIExDJ/5NYZIpFyWDeDCy2HS31o9obUG/NAE29F5flnvQ6wlaKKulx+z14nHF5eor g4OdltYRt9NWWR54H7qvcBFBmiVv2Ekk4NwO+uZU= From: Will Deacon To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 05/19] KVM: arm64: Replace CONFIG_KVM_INDIRECT_VECTORS with CONFIG_RANDOMIZE_BASE Date: Fri, 18 Sep 2020 17:47:15 +0100 Message-Id: <20200918164729.31994-6-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200918164729.31994-1-will@kernel.org> References: <20200918164729.31994-1-will@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200918_124749_483492_2FBAAAAF X-CRM114-Status: GOOD ( 16.96 ) 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: Catalin Marinas , David Brazdil , Will Deacon , Suzuki K Poulose Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The removal of CONFIG_HARDEN_BRANCH_PREDICTOR means that CONFIG_KVM_INDIRECT_VECTORS is synonymous with CONFIG_RANDOMIZE_BASE, so replace it. Signed-off-by: Will Deacon --- arch/arm64/include/asm/kvm_asm.h | 2 +- arch/arm64/include/asm/kvm_mmu.h | 2 +- arch/arm64/kernel/cpu_errata.c | 4 ++-- arch/arm64/kvm/Kconfig | 3 --- arch/arm64/kvm/hyp/Makefile | 2 +- arch/arm64/kvm/hyp/hyp-entry.S | 2 +- 6 files changed, 6 insertions(+), 9 deletions(-) diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 6f98fbd0ac81..e9378cc8049d 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -102,7 +102,7 @@ DECLARE_KVM_HYP_SYM(__kvm_hyp_vector); #define __kvm_hyp_init CHOOSE_NVHE_SYM(__kvm_hyp_init) #define __kvm_hyp_vector CHOOSE_HYP_SYM(__kvm_hyp_vector) -#ifdef CONFIG_KVM_INDIRECT_VECTORS +#ifdef CONFIG_RANDOMIZE_BASE extern atomic_t arm64_el2_vector_last_slot; DECLARE_KVM_HYP_SYM(__bp_harden_hyp_vecs); #define __bp_harden_hyp_vecs CHOOSE_HYP_SYM(__bp_harden_hyp_vecs) diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index 1df85a3ddb9b..dfd176b0642e 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -430,7 +430,7 @@ static inline int kvm_write_guest_lock(struct kvm *kvm, gpa_t gpa, return ret; } -#ifdef CONFIG_KVM_INDIRECT_VECTORS +#ifdef CONFIG_RANDOMIZE_BASE /* * EL2 vectors can be mapped and rerouted in a number of ways, * depending on the kernel configuration and CPU present: diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index dd9103915f1e..135bf7f92d4a 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -113,7 +113,7 @@ atomic_t arm64_el2_vector_last_slot = ATOMIC_INIT(-1); DEFINE_PER_CPU_READ_MOSTLY(struct bp_hardening_data, bp_hardening_data); -#ifdef CONFIG_KVM_INDIRECT_VECTORS +#ifdef CONFIG_RANDOMIZE_BASE static void __copy_hyp_vect_bpi(int slot, const char *hyp_vecs_start, const char *hyp_vecs_end) { @@ -167,7 +167,7 @@ static void install_bp_hardening_cb(bp_hardening_cb_t fn, { __this_cpu_write(bp_hardening_data.fn, fn); } -#endif /* CONFIG_KVM_INDIRECT_VECTORS */ +#endif /* CONFIG_RANDOMIZE_BASE */ #include diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index 42e5895763b3..043756db8f6e 100644 --- a/arch/arm64/kvm/Kconfig +++ b/arch/arm64/kvm/Kconfig @@ -57,9 +57,6 @@ config KVM_ARM_PMU Adds support for a virtual Performance Monitoring Unit (PMU) in virtual machines. -config KVM_INDIRECT_VECTORS - def_bool RANDOMIZE_BASE - endif # KVM endif # VIRTUALIZATION diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile index f54f0e89a71c..89d2bf73acb5 100644 --- a/arch/arm64/kvm/hyp/Makefile +++ b/arch/arm64/kvm/hyp/Makefile @@ -11,4 +11,4 @@ subdir-ccflags-y := -I$(incdir) \ $(DISABLE_STACKLEAK_PLUGIN) obj-$(CONFIG_KVM) += vhe/ nvhe/ -obj-$(CONFIG_KVM_INDIRECT_VECTORS) += smccc_wa.o +obj-$(CONFIG_RANDOMIZE_BASE) += smccc_wa.o diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S index 41698bae5d5d..db2dd7500617 100644 --- a/arch/arm64/kvm/hyp/hyp-entry.S +++ b/arch/arm64/kvm/hyp/hyp-entry.S @@ -286,7 +286,7 @@ SYM_CODE_START(__kvm_hyp_vector) valid_vect el1_error // Error 32-bit EL1 SYM_CODE_END(__kvm_hyp_vector) -#ifdef CONFIG_KVM_INDIRECT_VECTORS +#ifdef CONFIG_RANDOMIZE_BASE .macro hyp_ventry .align 7 1: esb -- 2.28.0.681.g6f77f65b4e-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel