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Message-ID: <160153665673.4398.6268028176406103680@jlahtine-mobl.ger.corp.intel.com>
Date: Thu, 01 Oct 2020 10:17:37 +0300
From: Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
To: paulmck@...nel.org, rcu@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org,
jiangshanlai@...il.com, akpm@...ux-foundation.org,
mathieu.desnoyers@...icios.com, josh@...htriplett.org,
tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com,
oleg@...hat.com, joel@...lfernandes.org, mhocko@...nel.org,
mgorman@...hsingularity.net, torvalds@...ux-foundation.org,
Jani Nikula <jani.nikula@...ux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@...el.com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
"Paul E . McKenney" <paulmck@...nel.org>
Subject: Re: [PATCH tip/core/rcu 11/15] drm/i915: Cleanup PREEMPT_COUNT leftovers
Quoting paulmck@...nel.org (2020-09-29 02:30:58)
> From: Thomas Gleixner <tglx@...utronix.de>
>
> CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be
> removed. Cleanup the leftovers before doing so.
Change looks fine:
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
Are you looking for us to merge or merge through another tree?
If us, did the base patch always enabling PREEMPT_COUNT go into 5.9 or is
it heading to 5.10? We can queue this earliest for 5.11 as drm-next closed
for 5.10 at week of -rc5.
Regards, Joonas
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Cc: Jani Nikula <jani.nikula@...ux.intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi@...el.com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: intel-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
> ---
> drivers/gpu/drm/i915/Kconfig.debug | 1 -
> drivers/gpu/drm/i915/i915_utils.h | 3 +--
> 2 files changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
> index 1cb28c2..17d9b00 100644
> --- a/drivers/gpu/drm/i915/Kconfig.debug
> +++ b/drivers/gpu/drm/i915/Kconfig.debug
> @@ -20,7 +20,6 @@ config DRM_I915_DEBUG
> bool "Enable additional driver debugging"
> depends on DRM_I915
> select DEBUG_FS
> - select PREEMPT_COUNT
> select I2C_CHARDEV
> select STACKDEPOT
> select DRM_DP_AUX_CHARDEV
> diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
> index 5477337..ecfed86 100644
> --- a/drivers/gpu/drm/i915/i915_utils.h
> +++ b/drivers/gpu/drm/i915/i915_utils.h
> @@ -337,8 +337,7 @@ wait_remaining_ms_from_jiffies(unsigned long timestamp_jiffies, int to_wait_ms)
> (Wmax))
> #define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 10, 1000)
>
> -/* If CONFIG_PREEMPT_COUNT is disabled, in_atomic() always reports false. */
> -#if defined(CONFIG_DRM_I915_DEBUG) && defined(CONFIG_PREEMPT_COUNT)
> +#ifdef CONFIG_DRM_I915_DEBUG
> # define _WAIT_FOR_ATOMIC_CHECK(ATOMIC) WARN_ON_ONCE((ATOMIC) && !in_atomic())
> #else
> # define _WAIT_FOR_ATOMIC_CHECK(ATOMIC) do { } while (0)
> --
> 2.9.5
>
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