git: eee0f7aea425 - main - acpi: Put CPPC workaround behind i386/amd64 if def
Date: Tue, 11 Oct 2022 08:32:49 UTC
The branch main has been updated by thj: URL: https://cgit.FreeBSD.org/src/commit/?id=eee0f7aea42564fe005c74f004d63f8cc170ef59 commit eee0f7aea42564fe005c74f004d63f8cc170ef59 Author: Tom Jones <thj@FreeBSD.org> AuthorDate: 2022-10-11 08:30:34 +0000 Commit: Tom Jones <thj@FreeBSD.org> CommitDate: 2022-10-11 08:31:22 +0000 acpi: Put CPPC workaround behind i386/amd64 if def While CPPC is available on arm64 platforms with ACPI we don't know if we need to work around issues with firmware there. --- sys/dev/acpica/acpi_cpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/dev/acpica/acpi_cpu.c b/sys/dev/acpica/acpi_cpu.c index 49d2bd11fdaa..ea99cfdeb90f 100644 --- a/sys/dev/acpica/acpi_cpu.c +++ b/sys/dev/acpica/acpi_cpu.c @@ -153,7 +153,9 @@ static struct sysctl_ctx_list cpu_sysctl_ctx; static struct sysctl_oid *cpu_sysctl_tree; static int cpu_cx_generic; static int cpu_cx_lowest_lim; +#if defined(__i386__) || defined(__amd64__) static bool cppc_notify; +#endif static struct acpi_cpu_softc **cpu_softc; ACPI_SERIAL_DECL(cpu, "ACPI CPU"); @@ -985,11 +987,13 @@ acpi_cpu_startup(void *arg) NULL, 0, acpi_cpu_global_cx_lowest_sysctl, "A", "Global lowest Cx sleep state to use"); +#if defined(__i386__) || defined(__amd64__) /* Add sysctl handler to control registering for CPPC notifications */ cppc_notify = 1; SYSCTL_ADD_BOOL(&cpu_sysctl_ctx, SYSCTL_CHILDREN(cpu_sysctl_tree), OID_AUTO, "cppc_notify", CTLFLAG_RDTUN | CTLFLAG_MPSAFE, &cppc_notify, 0, "Register for CPPC Notifications"); +#endif /* Take over idling from cpu_idle_default(). */ cpu_cx_lowest_lim = 0;