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 E189FEC874D for ; Thu, 7 Sep 2023 18:17:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231429AbjIGSR4 (ORCPT ); Thu, 7 Sep 2023 14:17:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343725AbjIGSRn (ORCPT ); Thu, 7 Sep 2023 14:17:43 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A308FA8 for ; Thu, 7 Sep 2023 11:17:14 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 58A2FC433C8; Thu, 7 Sep 2023 18:16:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694110619; bh=pgPQZpPdSxYb4vyanAX9ByOxUGHPSY4LDmwB3+rSqAQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=cPSBRph7tlBskH77ZtFKAfdtabVJ1ZNxIbDWBowLvLxegBfA55FwpkQ6DiOsur7e7 PxCwpoUjHx/qPXLeajoHCXaxp8LGdPx63jjZNq3TrFeZVgZJTIm+KI1WaWaU6RTLz5 bITlscIpmkA0xyd289Skgpb93y8MXBEGyaf0szIsCHK1MA5Q2B405GEnD1YiYWncBv RLM72p0Gd4jMvv+nUbd8ptVaT2i5+c+bf2DvtHptL1ihi2+SYs4KTQJ+JJg1hqQNqV bhhcUqYjOjaqgjMKbqe8jyN38JrImo46RHlYBx/iPKynpIjCd9OF22KbJaTX2E9xEU lzyOnyViSAWug== Received: from [82.132.186.150] (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 1qeJYm-00BAq7-K8; Thu, 07 Sep 2023 19:16:56 +0100 Date: Thu, 07 Sep 2023 19:17:03 +0100 Message-ID: <871qf9q25c.wl-maz@kernel.org> From: Marc Zyngier To: Joey Gouly Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, James Morse , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Xu Zhao Subject: Re: [PATCH 0/5] KVM: arm64: Accelerate lookup of vcpus by MPIDR values In-Reply-To: <20230907153052.GD69899@e124191.cambridge.arm.com> References: <20230907100931.1186690-1-maz@kernel.org> <20230907153052.GD69899@e124191.cambridge.arm.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: 82.132.186.150 X-SA-Exim-Rcpt-To: joey.gouly@arm.com, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, james.morse@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.com, zhaoxu.35@bytedance.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 Thu, 07 Sep 2023 16:30:52 +0100, Joey Gouly wrote: [...] > Got a roughly similar perf improvement (about 28%). Out of curiosity, on which HW? > Tested-by: Joey Gouly Thanks! M. -- Without deviation from the norm, progress is not possible.