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 7133BCD6E6E for ; Thu, 4 Jun 2026 22:58:56 +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:Content-Type:Cc:To:From: Subject:Message-ID:References:Mime-Version:In-Reply-To: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=0t+VBqFHEPHbmxYITXwen7bG3EAMYQHm1cDflplkJjE=; b=ik6Q7xq9ZxBXuN+NQn7ZVwqfh3 bo+YgxOf3mjDo+NErJmCvGGUQp+EBWef78kWu4UoVHLKWoU5A2B0xe6XE8DaNE6tjwa+ug+z/1r4I RH7v8CYONcxpab0Dnvnh6KogQjbeAwnQ+O0sGAps5mEaC9gFGS4JBFtkqX0+W43NwRK9iXK042ggH pHuW/hFa3CXfcsT/5up75BeRV7SyFJPFro/01Vr7VYnlTS0Ee/xFKoUAw6Qq6G1ScLJc5vUc1+2EC WjCl9qdspDS+qcUMNUkIeRTD15XjR2c+1KFyMRHz8IB9EcJyAebbcZqAPzOGwiiVKtfm9u/KXyBsn cjq8DELQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wVH1U-0000000HQMh-3Fcs; Thu, 04 Jun 2026 22:58:48 +0000 Received: from mail-pg1-x54a.google.com ([2607:f8b0:4864:20::54a]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wVH1S-0000000HQMN-0QF4 for linux-arm-kernel@lists.infradead.org; Thu, 04 Jun 2026 22:58:47 +0000 Received: by mail-pg1-x54a.google.com with SMTP id 41be03b00d2f7-c8604fbe71eso577358a12.3 for ; Thu, 04 Jun 2026 15:58:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1780613924; x=1781218724; darn=lists.infradead.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=0t+VBqFHEPHbmxYITXwen7bG3EAMYQHm1cDflplkJjE=; b=bWI9uZhpsiCGvedgd/reF3M3xwlO0Xwg5IeFNEcSRjEkFsQ3mLEiTC8hNPmYax37n1 gq8F+mUg9Ajh3jv9d+svgrBXU13RtWBFA1qkzgY1+SCNVjYIXFEADDinCq376594yPqp h+JUZRe3dpBOKjoxyXKWYus/svpT7fFkBt3L9P4ocb8Debb4VcSrWrvGWaYwrNXAPrVu XGjRWWkQm04uMtAqv/60MSRfRA9ZdQPTPx83vQqGEmJzMjx5uW0fzPc2LoG43kTnbpUh oZBeTpbPGcdJW6308aJabdzfqORrlsHm0Pk9/SFGp45JR5noIis7fXqeGTjzyTl1Ti8o xJog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780613924; x=1781218724; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=0t+VBqFHEPHbmxYITXwen7bG3EAMYQHm1cDflplkJjE=; b=bow+F1tQXeTitekFLDdevi7/uH50FOJH9oWfiFQRgwdDeaZsCkZrWeJnAdkLMbp/uK HUD5v5jjRcrZcOBGSlrJJCrEMK+4AdR6ROsUDyTZXXWcWHZrVwbSrxVMe2OmeCCrltWT WnTOrg/GNVddygQksnkWy9Ht1ez3ifl5nStMIDBbrqI3fxW0oz/CR9ovKcLNNAfq23Xz KS0DnSN458q71wYp1qbx8VdBuihBBXQC055WUz66CmNiyjG2osPRsd7CCIW5G2JDq1Nn uLqT9IwyATFe1p6q3yU7qLVO2OsHyS6FLtfrrchv3CQfviqpS5Ri6J0zU8z3PTJ31e+y tN9Q== X-Forwarded-Encrypted: i=1; AFNElJ8S8MC9HVJd922ZdjwRWREpKem4wvOSw5NV/Am03AHrPAESedmvTwSsXsAT5NzPNlIrmRGA/bE+FX49t/vLmwbd@lists.infradead.org X-Gm-Message-State: AOJu0YwAPJhfMzopfts1MBSZmJj0CP3/CEklcmKDJjOX/FnYjzUYQzAh 8cfYxX2lXIvSVoSWwTRyePcbH7n+3KBMwBYu9cxeUvYuiXYOXqFasaGm+7tUs/uok/Z+4DVkk+V 5jz0HdA== X-Received: from pgbfq7.prod.google.com ([2002:a05:6a02:2987:b0:c85:69da:2c03]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:a07:b0:3b4:85db:1bdb with SMTP id adf61e73a8af0-3b4cd0801bfmr1026910637.44.1780613923842; Thu, 04 Jun 2026 15:58:43 -0700 (PDT) Date: Thu, 4 Jun 2026 15:58:43 -0700 In-Reply-To: Mime-Version: 1.0 References: Message-ID: Subject: Re: [PATCH] KVM: arm64: Reallocate the nested_mmus array under the mmu_lock From: Sean Christopherson To: Oliver Upton Cc: Hyunwoo Kim , maz@kernel.org, joey.gouly@arm.com, seiden@linux.ibm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org, christoffer.dall@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev Content-Type: text/plain; charset="us-ascii" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260604_155846_138264_FBE9888D X-CRM114-Status: UNSURE ( 7.20 ) X-CRM114-Notice: Please train this message. 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 Thu, Jun 04, 2026, Oliver Upton wrote: > The shortlog is very confusing, since "allocate behind $LOCK" is usually > something alarming. Maybe instead: > > KVM: arm64: Reassign nested_mmus array behind mmu_lock +1 from the peanut gallery. After reading the shortlog, I was about to grab my pitchfork :-)