On Mon, Jun 12, 2017 at 09:58:32AM +1000, Nicholas Piggin wrote:
> Ensure these don't get put into bouncing cachelines.
>
> Signed-off-by: Nicholas Piggin <npig...@gmail.com>
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
> ---
> drivers/cpuidle/cpuidle-powernv.c | 10 +++++-----
> drivers/cpuidle/cpuidle-pseries.c | 8 ++++----
> 2 files changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/cpuidle/cpuidle-powernv.c
> b/drivers/cpuidle/cpuidle-powernv.c
> index 50b3c2e0306f..9d03326ac05e 100644
> --- a/drivers/cpuidle/cpuidle-powernv.c
> +++ b/drivers/cpuidle/cpuidle-powernv.c
> @@ -32,18 +32,18 @@ static struct cpuidle_driver powernv_idle_driver = {
> .owner = THIS_MODULE,
> };
>
> -static int max_idle_state;
> -static struct cpuidle_state *cpuidle_state_table;
> +static int max_idle_state __read_mostly;
> +static struct cpuidle_state *cpuidle_state_table __read_mostly;
>
> struct stop_psscr_table {
> u64 val;
> u64 mask;
> };
>
> -static struct stop_psscr_table stop_psscr_table[CPUIDLE_STATE_MAX];
> +static struct stop_psscr_table stop_psscr_table[CPUIDLE_STATE_MAX]
> __read_mostly;
>
> -static u64 snooze_timeout;
> -static bool snooze_timeout_en;
> +static u64 snooze_timeout __read_mostly;
> +static bool snooze_timeout_en __read_mostly;
>
> static int snooze_loop(struct cpuidle_device *dev,
> struct cpuidle_driver *drv,
> diff --git a/drivers/cpuidle/cpuidle-pseries.c
> b/drivers/cpuidle/cpuidle-pseries.c
> index 7b12bb2ea70f..a404f352d284 100644
> --- a/drivers/cpuidle/cpuidle-pseries.c
> +++ b/drivers/cpuidle/cpuidle-pseries.c
> @@ -25,10 +25,10 @@ struct cpuidle_driver pseries_idle_driver = {
> .owner = THIS_MODULE,
> };
>
> -static int max_idle_state;
> -static struct cpuidle_state *cpuidle_state_table;
> -static u64 snooze_timeout;
> -static bool snooze_timeout_en;
> +static int max_idle_state __read_mostly;
> +static struct cpuidle_state *cpuidle_state_table __read_mostly;
> +static u64 snooze_timeout __read_mostly;
> +static bool snooze_timeout_en __read_mostly;
>
> static inline void idle_loop_prolog(unsigned long *in_purr)
> {
> --
> 2.11.0
>
