Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Jan Kiszka <jan.kiszka@siemens.com>
To:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "H . Peter Anvin" <hpa@zytor.com>
Cc:     x86@kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        jailhouse-dev@googlegroups.com
Subject: [PATCH 07/10] x86: jailhouse: Silence ACPI warning
Date:   Thu, 16 Nov 2017 08:26:49 +0100
Message-Id: <35a86d075c7235cad96bb2cc8b40e8dd89ceb9b9.1510817211.git.jan.kiszka@siemens.com>
In-Reply-To: <cover.1510817211.git.jan.kiszka@siemens.com>
References: <cover.1510817211.git.jan.kiszka@siemens.com>
In-Reply-To: <cover.1510817211.git.jan.kiszka@siemens.com>
References: <cover.1510817211.git.jan.kiszka@siemens.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

From: Jan Kiszka <jan.kiszka@siemens.com>

Jailhouse support does not depend on ACPI, and does not even use it. But
if it should be enabled, avoid warning about its absence in the
platform.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 arch/x86/kernel/jailhouse.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/x86/kernel/jailhouse.c b/arch/x86/kernel/jailhouse.c
index cfe8ae0c33a2..c1ed7fcd7bfa 100644
--- a/arch/x86/kernel/jailhouse.c
+++ b/arch/x86/kernel/jailhouse.c
@@ -180,6 +180,12 @@ static void __init jailhouse_init_platform(void)
 	smp_found_config = 1;
 
 	early_memunmap(data, sizeof(*data));
+
+	/*
+	 * Avoid that the kernel complains about missing ACPI tables - there
+	 * are none in a non-root cell.
+	 */
+	disable_acpi();
 }
 
 bool jailhouse_paravirt(void)
-- 
2.12.3


From 1584190889777553464@xxx Thu Nov 16 03:16:03 +0000 2017
X-GM-THRID: 1584190889777553464
X-Gmail-Labels: Inbox,Category Forums,HistoricalUnread