From patchwork Thu Oct 13 13:28:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 1689582 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=VDgkA1UL; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=QvN6AmRA; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Mp9mN0sj8z23k1 for ; Fri, 14 Oct 2022 00:46:44 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=B418XGHwjTFGS6mRNwPOskKwrxu7D0RCCg2UMmNgQbQ=; b=VDgkA1ULBvpL+s vFR4aEyO8ahEte4zNI70hTEATjxI7J3/YBeXpsrTb5j7cM4bHILKvNMhTsK43BtW6gh/jb4ZGdk7w PQQ49Q7h6bm7qPLT6e28xlb2STr3XiwdU6rok+xbc+IgyyNkhNkrDxBMJYKJQxysuophfb2MFovYt 1p658rFXJ51lr0fn/DQvwE7oHKCqo5XaawPTkM0/1CRAfa+np1fqsgtpMaqlDMCYzKhTQ8wdiHpP0 OIClRmtm5hnkeOGm4HFi9DdnLjXE2IPnZI10AM39B01KgiXPDt84KbvHP2craozbgRK/U1m6DmJP2 vsLU8KdTx2PUUY/K4IoQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiyXW-00ByKc-JT; Thu, 13 Oct 2022 13:46:23 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiyGO-00BsMd-FH for linux-arm-kernel@lists.infradead.org; Thu, 13 Oct 2022 13:28:42 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A57AA617B0; Thu, 13 Oct 2022 13:28:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 143B6C433D6; Thu, 13 Oct 2022 13:28:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665667719; bh=7qXYLfXPY0mId4qeNUYUUP+ocY1lWzzGimuibv53pf8=; h=From:To:Cc:Subject:Date:From; b=QvN6AmRAzltS5HKUQE0RXOLnSQb7prK5hOldTl9Ue51CAVa3AXFgUbeRlzkbf2FEj FTdrupsmEW426bZ6oKCYzW9cKqjC/ZrfqPUS6y5Zff3+GmUrvDCY5AaxWtC6ufFxA/ hMd/DBSY3MdKoweB8FZcV//s02sQgwRaJ78xbEVGdEKw4Vs14S8g83mB8sPkzpxlNr hG2bgsMM8B7tjcvp3KnGibybQ7SJxFNxeVRlkNve+SkdxvkC1gV5HiRrEUe30+1uru 3bOtwLqu1nnxnxtZw8Q13q0qSrWxVrzIhDXtcmQwN1/Cctrldga+f3BfJAk7SjYhYu Xquq7TnLCkDzQ== 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 1oiyGK-00GJJF-RC; Thu, 13 Oct 2022 14:28:36 +0100 From: Marc Zyngier To: Paolo Bonzini Cc: Gavin Shan , Oliver Upton , Quentin Perret , Vincent Donnefort , Zenghui Yu , James Morse , Suzuki K Poulose , Alexandru Elisei , , , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [GIT PULL] KVM/arm64 fixes for 6.1, take #1 Date: Thu, 13 Oct 2022 14:28:30 +0100 Message-Id: <20221013132830.1304947-1-maz@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: pbonzini@redhat.com, gshan@redhat.com, oliver.upton@linux.dev, qperret@google.com, vdonnefort@google.com, yuzenghui@huawei.com, james.morse@arm.com, suzuki.poulose@arm.com, alexandru.elisei@arm.com, kvmarm@lists.cs.columbia.edu, kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221013_062840_625900_04E30BE2 X-CRM114-Status: GOOD ( 14.07 ) X-Spam-Score: -5.4 (-----) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Paolo, Here's the first set of fixes for 6.1. The most interesting bit is Oliver's fix limiting the S2 invalidation batch size the the largest block mapping, solving (at least for now) the RCU stall problems [...] Content analysis details: (-5.4 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [2604:1380:4641:c500:0:0:0:1 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.2 DKIMWL_WL_HIGH DKIMwl.org - High trust sender 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+incoming-imx=patchwork.ozlabs.org@lists.infradead.org Paolo, Here's the first set of fixes for 6.1. The most interesting bit is Oliver's fix limiting the S2 invalidation batch size the the largest block mapping, solving (at least for now) the RCU stall problems we have been seeing for a while. We may have to find another solution when (and if) we decide to allow 4TB mapping at S2... The rest is a set of minor selftest fixes as well as enabling stack protection and profiling in the VHE code. Please pull, M. The following changes since commit b302ca52ba8235ff0e18c0fa1fa92b51784aef6a: Merge branch kvm-arm64/misc-6.1 into kvmarm-master/next (2022-10-01 10:19:36 +0100) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-6.1-1 for you to fetch changes up to 05c2224d4b049406b0545a10be05280ff4b8ba0a: KVM: selftests: Fix number of pages for memory slot in memslot_modification_stress_test (2022-10-13 11:46:51 +0100) ---------------------------------------------------------------- KVM/arm64 fixes for 6.1, take #1 - Fix for stage-2 invalidation holding the VM MMU lock for too long by limiting the walk to the largest block mapping size - Enable stack protection and branch profiling for VHE - Two selftest fixes ---------------------------------------------------------------- Gavin Shan (1): KVM: selftests: Fix number of pages for memory slot in memslot_modification_stress_test Oliver Upton (2): KVM: arm64: Work out supported block level at compile time KVM: arm64: Limit stage2_apply_range() batch size to largest block Vincent Donnefort (1): KVM: arm64: Enable stack protection and branch profiling for VHE Zenghui Yu (1): KVM: arm64: selftests: Fix multiple versions of GIC creation arch/arm64/include/asm/kvm_pgtable.h | 18 +++++++++++++----- arch/arm64/include/asm/stage2_pgtable.h | 20 -------------------- arch/arm64/kvm/hyp/Makefile | 5 +---- arch/arm64/kvm/hyp/nvhe/Makefile | 3 +++ arch/arm64/kvm/mmu.c | 9 ++++++++- tools/testing/selftests/kvm/aarch64/vgic_init.c | 4 ++-- .../selftests/kvm/memslot_modification_stress_test.c | 2 +- 7 files changed, 28 insertions(+), 33 deletions(-)