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    Subject[PATCH 5.10 112/545] ACPI: processor/idle: Annotate more functions to live in cpuidle section
    Date
    From: Guilherme G. Piccoli <gpiccoli@igalia.com>

    [ Upstream commit 409dfdcaffb266acfc1f33529a26b1443c9332d4 ]

    Commit 6727ad9e206c ("nmi_backtrace: generate one-line reports for idle cpus")
    introduced a new text section called cpuidle; with that, we have a mechanism
    to add idling functions in such section and skip them from nmi_backtrace
    output, since they're useless and potentially flooding for such report.

    Happens that inlining might cause some real idle functions to end-up
    outside of such section; this is currently the case of ACPI processor_idle
    driver; the functions acpi_idle_enter_* do inline acpi_idle_do_entry(),
    hence they stay out of the cpuidle section.
    Fix that by marking such functions to also live in the cpuidle section.

    Fixes: 6727ad9e206c ("nmi_backtrace: generate one-line reports for idle cpus")
    Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
    Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/acpi/processor_idle.c | 6 +++---
    1 file changed, 3 insertions(+), 3 deletions(-)

    diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
    index 9921b481c7ee..e5dd87ddc6b3 100644
    --- a/drivers/acpi/processor_idle.c
    +++ b/drivers/acpi/processor_idle.c
    @@ -609,7 +609,7 @@ static DEFINE_RAW_SPINLOCK(c3_lock);
    * @cx: Target state context
    * @index: index of target state
    */
    -static int acpi_idle_enter_bm(struct cpuidle_driver *drv,
    +static int __cpuidle acpi_idle_enter_bm(struct cpuidle_driver *drv,
    struct acpi_processor *pr,
    struct acpi_processor_cx *cx,
    int index)
    @@ -666,7 +666,7 @@ static int acpi_idle_enter_bm(struct cpuidle_driver *drv,
    return index;
    }

    -static int acpi_idle_enter(struct cpuidle_device *dev,
    +static int __cpuidle acpi_idle_enter(struct cpuidle_device *dev,
    struct cpuidle_driver *drv, int index)
    {
    struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu);
    @@ -695,7 +695,7 @@ static int acpi_idle_enter(struct cpuidle_device *dev,
    return index;
    }

    -static int acpi_idle_enter_s2idle(struct cpuidle_device *dev,
    +static int __cpuidle acpi_idle_enter_s2idle(struct cpuidle_device *dev,
    struct cpuidle_driver *drv, int index)
    {
    struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu);
    --
    2.35.1


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