From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f202.google.com (mail-pg1-f202.google.com [209.85.215.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 037E32EFD9B for ; Thu, 4 Jun 2026 22:58:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780613926; cv=none; b=KbmWHUdsnYc5zOxxzzTJ2mVh/jW6TSuAhGxKO/MRqq2q1ZeAmNFVetMz9L2oSxbj3s2KyLzoGeqi4LYZ9M0falQBERuz02tZeTPaypILO04+98svjjMTUs/F3arPk+hNNMgOasiakos1wOVkZYhMgIx0aVexDhYXcHEEw543AJE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780613926; c=relaxed/simple; bh=FXOn0R6GghyUGhYRAvJfnnVPwuZfBzvJGFehIETMknE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=usXLsjLuMWH2ICwrd8drEnVsqpvzRx0jX0JZ7QgNr0+4BRaChz7V64lRyDKytuyricQsB2TsgvE16apqmSsujObljrdamFWnp+/rRuPmw7pDYG4LiMP6yMGs22Yxu9wuNP+GkWAc0Oh726FNn4TzJNGodRMP3IIWz1jlJeMvWC4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=UgWDCXUY; arc=none smtp.client-ip=209.85.215.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="UgWDCXUY" Received: by mail-pg1-f202.google.com with SMTP id 41be03b00d2f7-c8604fbe71eso577354a12.3 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.linux.dev; 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=UgWDCXUYcjrYr9fzjNlvvzrsFTusTnQRRKzDLdutpaqpxiGnQDzdJG/oau6yw8k/aT +GooIXmThZc46yo6idg8yphEfrflo4UmPYhEQ1oLlfXvmKKKDwgBabjuUfGr/mTneRxQ edMxNawiLR1ulEK+DKxdqxrjG0u5aKLYlYdss1y61HJlvpF1wTrb4tQcNYYOgC6gs4TM Oh/A8w8KnhduJ00yTD2HCSHYdgOV2U5O0V0ekvfUWEjSyqF9LWsyqn+6cwjNvbQTU2jH krSCcArc7eQkIT8nCppPUaatpYpS/+NJtFuJMkiT2OCCb0opg90sPTe7I0ClhxQaQxus x1Ng== 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=j65IbrV6+nsmYHyd5rCR4K+8fNEJr30XGMvc4FxX8Zr49vE34G2ZOpvY3gTPfzeppF taA7MAq8WrenxguwtQ4lj1etmy8z7OAEjiuInnsiXUFg6XpHhI4CiG4ikz90GTWR3w3A IdflXJLuOg0tQUOJITCtICu+ZSQONxDTM00supZT1nDpS3tElprVfnWDlzz7diMalM7J LrgFJ29O2xygao8WXIjcIo8kYeXYBRSfssuIIke6MW3bwrC6vSb7FYe8UpiofTALUp00 67xNBIAFdEZPJxXWAsLB/2jtrFbOTMkzl6JrgdSBgns92TqiXXVdrzQ4VZXhA0p3G/Ar V80g== X-Forwarded-Encrypted: i=1; AFNElJ9G1WtGMjuEmsNUOMBPRfMwDh8Gmblx9Xl8MA9BHSWDqhXcFlB+3hG1n1ncKokRCPC9hIMIQXc=@lists.linux.dev X-Gm-Message-State: AOJu0Yyxl7fnQ6G57XNeadEvlsDjNzpeQZy9UGGMayfcoH5Ouy6vA33Y gguiK/jyV8ruIimXThecW0ivsZ+FKF91xhI3LzFyE0FsCmhc/pexzQQeOtqoxCy5TNE/km+ESL1 iJoJ1xg== 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: Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: 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" 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 :-)