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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C5AE7E6F06E for ; Fri, 1 Nov 2024 16:40:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=e2aDcjvOVvmje1zY26ZIHZ0u+4oui1JaOZ3+57t9ABA=; b=H7D4pH48TSa1/+M6rhlU8/vQ2x Moe7SDWVSO0G+hpds531KpRX3vjFvRUrYHC8RpHUh03XotAOYtcEOX2QymTy/z3FfUP3NrJ1t3EGn FyQsEwuReHmJc83/Naj6gj5i6bNCsBtB7SrvXaj4RXOPEaFcoGK03SA66ck/aFbv3b3zKKsYm8pSN OS8qQAsdwBQ8cvoPtGQBLTO3qm8SGivDHHPYXWXJwK5HYEQX5gEnz6xfMnMCkziVR0A0NhoCpsptM wsZfBLkcSwUl3A0XEmvwwlYdLVH8Yly5UdBsVBNtGeQ5r+HDRo8K+H62iE+4DemRFUC5KIXuCPPt9 DRV6OSHw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t6ugo-00000007i8o-1I1R; Fri, 01 Nov 2024 16:39:58 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t6uc5-00000007hNn-3tL1 for linux-arm-kernel@lists.infradead.org; Fri, 01 Nov 2024 16:35:07 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 67D17A4455B; Fri, 1 Nov 2024 16:33:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D9EBC4CECD; Fri, 1 Nov 2024 16:35:02 +0000 (UTC) Date: Fri, 1 Nov 2024 16:35:00 +0000 From: Catalin Marinas To: Oliver Upton Cc: Marc Zyngier , kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Will Deacon , Joey Gouly , Suzuki K Poulose , Zenghui Yu Subject: Re: [PATCH] arm64: Expose ID_AA64ISAR1_EL1.XS to sanitised feature consumers Message-ID: References: <20241031083519.364313-1-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241101_093506_056222_281ABCE0 X-CRM114-Status: GOOD ( 17.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Nov 01, 2024 at 08:47:48AM -0700, Oliver Upton wrote: > On Fri, Nov 01, 2024 at 03:35:41PM +0000, Catalin Marinas wrote: > > On Thu, Oct 31, 2024 at 08:35:19AM +0000, Marc Zyngier wrote: > > > Despite KVM now being able to deal with XS-tagged TLBIs, we still don't > > > expose these feature bits to KVM. > > > > > > Plumb in the feature in ID_AA64ISAR1_EL1. > > > > > > Fixes: 0feec7769a63 ("KVM: arm64: nv: Add handling of NXS-flavoured TLBI operations") > > > Signed-off-by: Marc Zyngier > > > > Acked-by: Catalin Marinas > > > > Happy for this to go in as a fix via the kvm tree but let me know if I > > should pick it up instead. > > Thanks Catalin. I think this can wait for 6.13, would you mind grabbing > it? > > If you do: > > Reviewed-by: Oliver Upton I'll pick it up. Thanks. -- Catalin