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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39BB9C04A68 for ; Wed, 27 Jul 2022 14:29:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233847AbiG0O3b (ORCPT ); Wed, 27 Jul 2022 10:29:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233779AbiG0O32 (ORCPT ); Wed, 27 Jul 2022 10:29:28 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD1182DAB5 for ; Wed, 27 Jul 2022 07:29:27 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id 8CA26B82184 for ; Wed, 27 Jul 2022 14:29:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30D94C4347C; Wed, 27 Jul 2022 14:29:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658932165; bh=HWhdK2O+6AF6A5Z3TJcDil6OutGoVo/EptFSn8Y2FSA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=el3k/1HUEhRVl3SHY43exUG7A4KSXpJrVQ1TGBfHxmHaiFGZBeSKrTn13m27WFPtC XPXwFk0JOrITMmB4/DU9iBsB9DPcZM3wdzx0Plwy2ppVwaFUpO9eQqKJB5hvxLsO4u iW315W08OhyfYTdMxCSn2ad3+aBo/GE01keJ55ZfY13sQfNEoQhu/59OXnKl98EHw+ uREaVOZwfLt882k7+ZHWEA6S0emzeNkY88clUmcYT1ww+kb0bOPSih742XzMt9Ms7q 6MU5W19pWLPQra44g11DiWv70Uo6/4+HrsdeelSgeZv0R+iacXbLkfewg5bpuD2aBk cfBfqyDIDJ/xw== Received: from sofa.misterjones.org ([185.219.108.64] helo=why.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 1oGi2N-00APjL-3R; Wed, 27 Jul 2022 15:29:23 +0100 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Cc: mark.rutland@arm.com, broonie@kernel.org, madvenka@linux.microsoft.com, tabba@google.com, oliver.upton@linux.dev, qperret@google.com, kaleshsingh@google.com, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, catalin.marinas@arm.com, andreyknvl@gmail.com, vincenzo.frascino@arm.com, mhiramat@kernel.org, ast@kernel.org, wangkefeng.wang@huawei.com, elver@google.com, keirf@google.com, yuzenghui@huawei.com, ardb@kernel.org, oupton@google.com, kernel-team@android.com Subject: [PATCH 1/6] KVM: arm64: Move PROTECTED_NVHE_STACKTRACE around Date: Wed, 27 Jul 2022 15:29:01 +0100 Message-Id: <20220727142906.1856759-2-maz@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220727142906.1856759-1-maz@kernel.org> References: <20220726073750.3219117-18-kaleshsingh@google.com> <20220727142906.1856759-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, mark.rutland@arm.com, broonie@kernel.org, madvenka@linux.microsoft.com, tabba@google.com, oliver.upton@linux.dev, qperret@google.com, kaleshsingh@google.com, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, catalin.marinas@arm.com, andreyknvl@gmail.com, vincenzo.frascino@arm.com, mhiramat@kernel.org, ast@kernel.org, wangkefeng.wang@huawei.com, elver@google.com, keirf@google.com, yuzenghui@huawei.com, ardb@kernel.org, oupton@google.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Make the dependency with EL2_DEBUG more obvious by moving the stacktrace configurtion *after* it. Signed-off-by: Marc Zyngier --- arch/arm64/kvm/Kconfig | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index 09c995869916..815cc118c675 100644 --- a/arch/arm64/kvm/Kconfig +++ b/arch/arm64/kvm/Kconfig @@ -46,6 +46,16 @@ menuconfig KVM If unsure, say N. +config NVHE_EL2_DEBUG + bool "Debug mode for non-VHE EL2 object" + depends on KVM + help + Say Y here to enable the debug mode for the non-VHE KVM EL2 object. + Failure reports will BUG() in the hypervisor. This is intended for + local EL2 hypervisor development. + + If unsure, say N. + config PROTECTED_NVHE_STACKTRACE bool "Protected KVM hypervisor stacktraces" depends on NVHE_EL2_DEBUG @@ -53,22 +63,10 @@ config PROTECTED_NVHE_STACKTRACE help Say Y here to enable pKVM hypervisor stacktraces on hyp_panic() - If you are not using protected nVHE (pKVM), say N. - If using protected nVHE mode, but cannot afford the associated memory cost (less than 0.75 page per CPU) of pKVM stacktraces, say N. - If unsure, say N. - -config NVHE_EL2_DEBUG - bool "Debug mode for non-VHE EL2 object" - depends on KVM - help - Say Y here to enable the debug mode for the non-VHE KVM EL2 object. - Failure reports will BUG() in the hypervisor. This is intended for - local EL2 hypervisor development. - - If unsure, say N. + If unsure, or not using protected nVHE (pKVM), say N. endif # VIRTUALIZATION -- 2.34.1