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 70A0F15358B; Fri, 3 May 2024 13:35:30 +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=1714743331; cv=none; b=sUcWXf2LrTrAnW4vkBTTASDY+u0Bel0c/SxOTZKD/1peoMPqbHM9pyoDNgldBVB9ny4BdlD21ufvfGC7JIp3Pv5La7D8BzKn+Qjr4soBpBcZN2nO5MfTvlLnQKK/pwIHpoocMJP7wRRWnsadUdGymtMzyUzaB1eEnoO6d5XPzDU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714743331; c=relaxed/simple; bh=m6+m273WWYM3xRKmtCMagMXcmqCj9wNVbU5LpE90Nlg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=D79BYr358lNt/9GavXkS9RY0drD615yjhnKgth63IsEWlkO8yPWjXKqt14xl0WzDKHaUtWZRTjbcpK/pJqrYQDMASSaY40xcbYq+ahP3INcVmLpsxwoV4UkpeSRJYB2yTVC9VLCouX5CeZJVB93wyD98WppecVluysd7kwiiDT0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pLIBVXiM; 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="pLIBVXiM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17485C4AF14; Fri, 3 May 2024 13:35:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714743330; bh=m6+m273WWYM3xRKmtCMagMXcmqCj9wNVbU5LpE90Nlg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pLIBVXiM1aEQebyjHN++XMdSyNat2XxcKgHa5x3UvMTSgMwvgBC7nA52GwUutwLEm B/xjgf8jFa9gmv2nMUozvph+UzzPQwFr8r3CFtELx6qtNsPPFJg2Qa7k/WLfCL7Ahz ixlcZAk/v5XdTVRfPQJyMUIXaEztEZ/4Mi/iPQ2XQUEtHtfmzZDksREtDS0HlzwZJy 7RM47SYFcnSrWQP+woGbiruaxLNBcq4NmlzKwsZnDd4Z0taGDWVaERDkAY2AfPzN2V i6qqD63u2DCwpoHdsjHnpvwyrE1GLycQ2eTKAQzdDK1miVXd+fhddLeShUlYhHSuFA geECfKPm3Es7A== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1s2t4S-00AKZC-3Q; Fri, 03 May 2024 14:35:28 +0100 From: Marc Zyngier To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Marc Zyngier Cc: James Morse , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Fuad Tabba Subject: Re: [PATCH] KVM: arm64: Move management of __hyp_running_vcpu to load/put on VHE Date: Fri, 3 May 2024 14:35:16 +0100 Message-Id: <171474325428.3225213.18323755309626244103.b4-ty@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240502154030.3011995-1-maz@kernel.org> References: <20240502154030.3011995-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, maz@kernel.org, james.morse@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.com, tabba@google.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Thu, 02 May 2024 16:40:30 +0100, Marc Zyngier wrote: > The per-CPU host context structure contains a __hyp_running_vcpu that > serves as a replacement for kvm_get_current_vcpu() in contexts where > we cannot make direct use of it (such as in the nVHE hypervisor). > Since there is a lot of common code between nVHE and VHE, the latter > also populates this field even if kvm_get_running_vcpu() always works. > > We currently pretty inconsistent when populating __hyp_running_vcpu > to point to the currently running vcpu: > > [...] Applied to next, thanks! [1/1] KVM: arm64: Move management of __hyp_running_vcpu to load/put on VHE commit: 9a39359903fea9c354d89dce81ffd952859c90dc Cheers, M. -- Without deviation from the norm, progress is not possible.