From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-29.mta1.migadu.com (out-29.mta1.migadu.com [95.215.58.29]) (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 6534C7E for ; Thu, 13 Apr 2023 00:10:52 +0000 (UTC) Date: Thu, 13 Apr 2023 00:10:47 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1681344650; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=HCnXOj3LEZN88jyRNUFFg8GsQnQc0xXS8kokzqYep/c=; b=UpfE94B7TEW3IFsEyeibHj+V01F9ZaA3Vszow+MunLiFWuLApwY/7uwYcpi0WPcctwKCp2 zo2MztaA2oCv0QBufKIMOV3ioHt500hShr2DVaQUS0WK9+h+BjH0NXaqg+xGehcu/bnUbp egFbBsranYjg2oXQuDxLgNXRy1jVA+k= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Oliver Upton To: Marc Zyngier Cc: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, James Morse , Suzuki K Poulose , Zenghui Yu , Will Deacon Subject: Re: [PATCH v2 3/5] KVM: arm64: pkvm: Document the side effects of kvm_flush_dcache_to_poc() Message-ID: References: <20230408160427.10672-1-maz@kernel.org> <20230408160427.10672-4-maz@kernel.org> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230408160427.10672-4-maz@kernel.org> X-Migadu-Flow: FLOW_OUT On Sat, Apr 08, 2023 at 05:04:25PM +0100, Marc Zyngier wrote: > We rely on the presence of a DSB at the end of kvm_flush_dcache_to_poc() > that, on top of ensuring completion of the cache clean, also covers > the speculative page table walk started from EL1. > > Document this dependency. > > Signed-off-by: Marc Zyngier Reviewed-by: Oliver Upton -- Thanks, Oliver