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authorOlivier Certner <olce@FreeBSD.org>2026-06-26 14:40:50 +0000
committerOlivier Certner <olce@FreeBSD.org>2026-07-24 04:33:35 +0000
commitec59a50a60a3aade4921c80cfcd060a09596ec93 (patch)
treea1ef17b6caf2264bd508bc62f393b983b8a28650
parentd0fc89b3ba933100dbf8e22b5e94363d6ec88847 (diff)
acpi_cpu(4): Remove unused 'acpi_cpu_disabled' boolean
It is not used anywhere. Disabling acpi_cpu(4) can be done through the regular ACPI disable mechanism (using the 'debug.acpi.disabled' tunable, see acpi_disabled()). Reviewed by: emaste, obiwac Fixes: ac3ede5371af ("x86/xen: remove PVHv1 code") MFC after: 3 days Event: Halifax Hackathon 202606 Location: Dalhousie CS Faculty building Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D57888 (cherry picked from commit 98a77972381c6bb5ceda375fd1db7dccb3a1c89e)
-rw-r--r--sys/dev/acpica/acpi_cpu.c5
-rw-r--r--sys/x86/include/init.h3
2 files changed, 1 insertions, 7 deletions
diff --git a/sys/dev/acpica/acpi_cpu.c b/sys/dev/acpica/acpi_cpu.c
index f9b9a386c0c5..51a7e513f649 100644
--- a/sys/dev/acpica/acpi_cpu.c
+++ b/sys/dev/acpica/acpi_cpu.c
@@ -139,9 +139,6 @@ struct acpi_cpu_device {
#define CPUDEV_DEVICE_ID "ACPI0007"
-/* Knob to disable acpi_cpu devices */
-bool acpi_cpu_disabled = false;
-
/* Platform hardware resource information. */
static uint32_t cpu_smi_cmd; /* Value to write to SMI_CMD. */
static uint8_t cpu_cst_cnt; /* Indicate we are _CST aware. */
@@ -237,7 +234,7 @@ acpi_cpu_probe(device_t dev)
ACPI_STATUS status;
ACPI_OBJECT_TYPE type;
- if (acpi_disabled("cpu") || acpi_cpu_disabled)
+ if (acpi_disabled("cpu"))
return (ENXIO);
type = acpi_get_type(dev);
if (type != ACPI_TYPE_PROCESSOR && type != ACPI_TYPE_DEVICE)
diff --git a/sys/x86/include/init.h b/sys/x86/include/init.h
index f8979ca74d7f..1977f4729487 100644
--- a/sys/x86/include/init.h
+++ b/sys/x86/include/init.h
@@ -43,9 +43,6 @@ struct init_ops {
extern struct init_ops init_ops;
-/* Knob to disable acpi_cpu devices */
-extern bool acpi_cpu_disabled;
-
/* Knob to disable acpi_hpet device */
extern bool acpi_hpet_disabled;