[PATCH 07/10] x86: jailhouse: Silence ACPI warning

From: Jan Kiszka
Date: Thu Nov 16 2017 - 02:48:11 EST


From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>

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@xxxxxxxxxxx>
---
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