From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f73.google.com (mail-oo1-f73.google.com [209.85.161.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 18917EBB for ; Sat, 15 Jul 2023 00:54:19 +0000 (UTC) Received: by mail-oo1-f73.google.com with SMTP id 006d021491bc7-5666dcb7d74so3319282eaf.2 for ; Fri, 14 Jul 2023 17:54:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1689382459; x=1689987259; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=E8/SKuTbF1S2hgzgftCz+xbv+GwRa24E0ShAGUklW+4=; b=hrja88/7wxXiKsBqU4+BG+pM3MGM1S9DOyuubBS6zRCvIJ5eqNbAcqAnTdgYLBUU+G Xw+Q5KoogRXe6+j6MLR2KwqS39EPOItOND2hac4t/iid35aWJyaibOjPEAQmdMwYmjfh VzbdHI6TI0GOlWQpr7ND4xoMQoOV3vp6+LinZ0mxaFOfj8s73O11srFhZJK0pIAlsFoL P4nRJGXix8N2JZo0MJURuNa3SeLrZLgRbyyEKe5e1sT6jjEyyH20skLSiG1kT2BH+lWW M2jwktjB/uvksSymt5eF0yyQ/JrIKi5z5nYd8WpKGE+ItYKnNyJygjYrNRNPHTh4T2bz A4rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689382459; x=1689987259; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=E8/SKuTbF1S2hgzgftCz+xbv+GwRa24E0ShAGUklW+4=; b=EFc4LYSsf3T049nju17ZMlO1V6hL0frXfBgGGIUUEvktOYHfDsqV0dxWvbdTpkk8+e yqOoJfcWagpCobAzTaHbUjJq05qTsWHioQqwPohGaXVUBFqJ+I1bbmHQTSdQ58oQRXM5 iYGNYPUZ2tFyNStfoNZkKOur6HEJ6LVA7XzJYT+6xerFFs1OIPPCznxmpaNT+cay7KxV Z4V1k2j/RccLVyaNh726hUcbbWVSSyuT4xwPPRWtNKyNbSiHJKimN7ARJAvwqJi2FYer k7T4J16DwHsDculBHJrmlQmnZuqHGxUoSBQ+SbuuuypkQtuWW71SYVVih2RhLpFIcovO xzWg== X-Gm-Message-State: ABy/qLYkACQ2grb2CB6Ni5hcQfkXR+2VjS/cFb7XM51wGiNO0GkyANrv EbDLM4uEkVSGr95YupAxetHgKfFCnAER X-Google-Smtp-Source: APBJJlGuVOPdQOdSPn66tc6hZHiX5voXQ8Bd1Pq3KdWw9uZBWmzdkmlscTzl3Cyfs81jovCUQVWibJUVXGKq X-Received: from rananta-linux.c.googlers.com ([fda3:e722:ac3:cc00:2b:ff92:c0a8:22b5]) (user=rananta job=sendgmr) by 2002:a4a:5213:0:b0:55e:38ef:109b with SMTP id d19-20020a4a5213000000b0055e38ef109bmr445620oob.1.1689382459192; Fri, 14 Jul 2023 17:54:19 -0700 (PDT) Date: Sat, 15 Jul 2023 00:54:02 +0000 In-Reply-To: <20230715005405.3689586-1-rananta@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20230715005405.3689586-1-rananta@google.com> X-Mailer: git-send-email 2.41.0.455.g037347b96a-goog Message-ID: <20230715005405.3689586-9-rananta@google.com> Subject: [PATCH v6 08/11] KVM: arm64: Implement kvm_arch_flush_remote_tlbs_range() From: Raghavendra Rao Ananta To: Oliver Upton , Marc Zyngier , James Morse , Suzuki K Poulose Cc: Paolo Bonzini , Sean Christopherson , Huacai Chen , Zenghui Yu , Anup Patel , Atish Patra , Jing Zhang , Colton Lewis , Raghavendra Rao Anata , David Matlack , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Gavin Shan Content-Type: text/plain; charset="UTF-8" Implement kvm_arch_flush_remote_tlbs_range() for arm64 to invalidate the given range in the TLB. Signed-off-by: Raghavendra Rao Ananta Reviewed-by: Gavin Shan --- arch/arm64/include/asm/kvm_host.h | 3 +++ arch/arm64/kvm/mmu.c | 7 +++++++ 2 files changed, 10 insertions(+) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 7281222f24ef..52d3ed918893 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -1114,6 +1114,9 @@ struct kvm *kvm_arch_alloc_vm(void); #define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS int kvm_arch_flush_remote_tlbs(struct kvm *kvm); +#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS_RANGE +int kvm_arch_flush_remote_tlbs_range(struct kvm *kvm, gfn_t start_gfn, u64 pages); + static inline bool kvm_vm_is_protected(struct kvm *kvm) { return false; diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 0ac721fa27f1..387f2215fde7 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -172,6 +172,13 @@ int kvm_arch_flush_remote_tlbs(struct kvm *kvm) return 0; } +int kvm_arch_flush_remote_tlbs_range(struct kvm *kvm, gfn_t start_gfn, u64 pages) +{ + kvm_tlb_flush_vmid_range(&kvm->arch.mmu, + start_gfn << PAGE_SHIFT, pages << PAGE_SHIFT); + return 0; +} + static bool kvm_is_device_pfn(unsigned long pfn) { return !pfn_is_map_memory(pfn); -- 2.41.0.455.g037347b96a-goog