[GIT pull] locking/urgent for v5.10-rc7

From: Thomas Gleixner
Date: Sun Dec 06 2020 - 08:14:18 EST


Linus,

please pull the latest locking/urgent branch from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-urgent-2020-12-06

up to: 4d916140bf28: intel_idle: Build fix


A tiny build fix for a recent change in the intel_idle driver which missed
a CONFIG dependency and broke the build for certain configurations.


Thanks,

tglx

------------------>
Peter Zijlstra (1):
intel_idle: Build fix


drivers/idle/intel_idle.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 7ee7ffe22ae3..d79335506ecd 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -1140,6 +1140,20 @@ static bool __init intel_idle_max_cstate_reached(int cstate)
return false;
}

+static bool __init intel_idle_state_needs_timer_stop(struct cpuidle_state *state)
+{
+ unsigned long eax = flg2MWAIT(state->flags);
+
+ if (boot_cpu_has(X86_FEATURE_ARAT))
+ return false;
+
+ /*
+ * Switch over to one-shot tick broadcast if the target C-state
+ * is deeper than C1.
+ */
+ return !!((eax >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK);
+}
+
#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
#include <acpi/processor.h>

@@ -1210,20 +1224,6 @@ static bool __init intel_idle_acpi_cst_extract(void)
return false;
}

-static bool __init intel_idle_state_needs_timer_stop(struct cpuidle_state *state)
-{
- unsigned long eax = flg2MWAIT(state->flags);
-
- if (boot_cpu_has(X86_FEATURE_ARAT))
- return false;
-
- /*
- * Switch over to one-shot tick broadcast if the target C-state
- * is deeper than C1.
- */
- return !!((eax >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK);
-}
-
static void __init intel_idle_init_cstates_acpi(struct cpuidle_driver *drv)
{
int cstate, limit = min_t(int, CPUIDLE_STATE_MAX, acpi_state_table.count);