From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 561F386623; Wed, 14 Feb 2024 17:43:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707932597; cv=none; b=XNzt1QIYB6U1n5IxR84PpkU9ME1ccHyd8Fo1JwrkIoUa6d0ljTJwhAu2R5bgf3qTnKLKMqnADZv1j/8bBBZajbL2GDbvS59J4BPM9w9ETbJLJTuGxkfNf5TKH1MOPc1iok6PztYnB+whyLvVPi/Xh/bl2k+TJOJy4v2Z8iVMu3w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707932597; c=relaxed/simple; bh=CnAXnu5VnB9LwAFNLBVLg4a6KL+KuWUqjUuHxsXMCHQ=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=cFo/kmvxBzEUUeFvQmo+lfMqwjD8Ui5NBQKL1F0VhyLGaIpm1kyVDARkLVcfa6EcREMHB2jNvdVLnBmWX6qtNZimwa5rri4fNHLGGRUXSj35H3N2W8W5bFeta8GdkeerYlJMwsBfM5kpY7vaGKMwjob59zhUTzW3PH2JMPJCybI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UfJaA1FA; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UfJaA1FA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EE3EBC433F1; Wed, 14 Feb 2024 17:43:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707932597; bh=CnAXnu5VnB9LwAFNLBVLg4a6KL+KuWUqjUuHxsXMCHQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=UfJaA1FAWYOlMmKksb8/MhNnJFe4WRfjn3KZPgjPy7vdGOTIjsdRv6BDGspS6piCa wMjJpjUDSvHBtG/QBW737oXink0k7GaUuRuzdlz33Q2kFjKsOkPF4BteQHlyyDJrYN X4cMIMMqVqHdgjjpcPiZeLyz1gNh0pmkcvpeTauVuaEDf5mtsjI/9J5e9H/O3+vM8i wEEKRHrjCQQXT5k7XZvidpfBXvKh2RrVjVX3/cc0QyFJYCrd1DeMXMhsoJwzOVcwhF b80BY9sM2N55B112xOTpuz0VHDVp51/tlEpmpziR1xXEMJX53pRY9nv+hh7yIxgZ9F jmPh6fkNslKZA== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.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 1raJHu-003Dy5-Lj; Wed, 14 Feb 2024 17:43:14 +0000 Date: Wed, 14 Feb 2024 17:43:13 +0000 Message-ID: <86y1bn3pse.wl-maz@kernel.org> From: Marc Zyngier To: Oliver Upton Cc: kvmarm@lists.linux.dev, kvm@vger.kernel.org, James Morse , Suzuki K Poulose , Zenghui Yu , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 00/23] KVM: arm64: Improvements to LPI injection In-Reply-To: <20240213093250.3960069-1-oliver.upton@linux.dev> References: <20240213093250.3960069-1-oliver.upton@linux.dev> 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/29.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: oliver.upton@linux.dev, kvmarm@lists.linux.dev, kvm@vger.kernel.org, james.morse@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Tue, 13 Feb 2024 09:32:37 +0000, Oliver Upton wrote: > > For full details on the what/why, please see the cover letter in v1. > > Apologies for the delay on v2, I wanted to spend some time to get a > microbenchmark in place to slam the ITS code pretty hard, and based on > the results I'm glad I did. [...] Buglets and potential improvements aside, I like the smell of this. At least the first handful of patches could easily be taken as a separate improvement series. Let me know how you'd like to play this. Thanks, M. -- Without deviation from the norm, progress is not possible.