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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F0CAC41513 for ; Thu, 27 Jul 2023 12:48:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233367AbjG0MsT (ORCPT ); Thu, 27 Jul 2023 08:48:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231533AbjG0MsP (ORCPT ); Thu, 27 Jul 2023 08:48:15 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22DE01737; Thu, 27 Jul 2023 05:48:15 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id ADAB261E46; Thu, 27 Jul 2023 12:48:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 202DFC433C7; Thu, 27 Jul 2023 12:48:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1690462094; bh=Pu9LHy5Agl5sYHbCRsbjf8k1I59T+epDRHYNCSx4JE0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=rn6scYsMbV5/hnnmtH8oiCUC5rXbFb89YKEg3KCSLdeCqTZUujSry/ysohED3t+2u cdfOKE6NXYMs1bFJof86Rn5DZA/mfyKpSQ88AN44Iccn1W80m0+AnBT2B/pbUJxK1H MGHOEF471C9WrJUb0oEtOee5FsAhQmy0iXfcg0zEM72UwbCzP1tir6jqOchmmXqdVF VGNx/XrxqZH8KLaTgJNBT0yvwJ2DvfvphuGCIcCyEskOlYPsDcgZvYb37uNuF58D5c etiPcMpzK00oopTRBCOQaNOwSJcEJFmnXOhwLnSLJyv3a/+qFDR9oYMWCAdnAh7AmC u7xA8rkxb3xRA== Received: from [104.132.45.102] (helo=wait-a-minute.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1qP0Pb-00HMJJ-W9; Thu, 27 Jul 2023 13:48:12 +0100 Date: Thu, 27 Jul 2023 13:48:11 +0100 Message-ID: <87mszhr050.wl-maz@kernel.org> From: Marc Zyngier To: Raghavendra Rao Ananta Cc: Oliver Upton , James Morse , Suzuki K Poulose , Paolo Bonzini , Sean Christopherson , Huacai Chen , Zenghui Yu , Anup Patel , Atish Patra , Jing Zhang , Reiji Watanabe , Colton Lewis , 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 , Shaoqin Huang Subject: Re: [PATCH v7 09/12] KVM: arm64: Implement kvm_arch_flush_remote_tlbs_range() In-Reply-To: <20230722022251.3446223-10-rananta@google.com> References: <20230722022251.3446223-1-rananta@google.com> <20230722022251.3446223-10-rananta@google.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/28.2 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 104.132.45.102 X-SA-Exim-Rcpt-To: rananta@google.com, oliver.upton@linux.dev, james.morse@arm.com, suzuki.poulose@arm.com, pbonzini@redhat.com, seanjc@google.com, chenhuacai@kernel.org, yuzenghui@huawei.com, anup@brainfault.org, atishp@atishpatra.org, jingzhangos@google.com, reijiw@google.com, coltonlewis@google.com, dmatlack@google.com, 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, gshan@redhat.com, shahuang@redhat.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Sat, 22 Jul 2023 03:22:48 +0100, Raghavendra Rao Ananta wrote: > > 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 > Reviewed-by: Shaoqin Huang > --- > 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); As per the other patches, these prototypes should be global and not arch-specific. M. -- Without deviation from the norm, progress is not possible.