From: Maarten Lankhorst <dev@lankhorst.se>
To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org, Maarten Lankhorst <dev@lankhorst.se>
Subject: [PATCH v9 23/30] PREEMPT_RT injection
Date: Mon, 22 Jun 2026 20:10:36 +0200 [thread overview]
Message-ID: <20260622181044.39335-24-dev@lankhorst.se> (raw)
In-Reply-To: <20260622181044.39335-1-dev@lankhorst.se>
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
---
kernel/Kconfig.preempt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt
index 88c594c6d7fcd..11bec9be95405 100644
--- a/kernel/Kconfig.preempt
+++ b/kernel/Kconfig.preempt
@@ -90,9 +90,9 @@ config PREEMPT_LAZY
endchoice
config PREEMPT_RT
- bool "Fully Preemptible Kernel (Real-Time)"
- depends on EXPERT && ARCH_SUPPORTS_RT && !COMPILE_TEST
+ def_bool y
select PREEMPTION
+ depends on ARCH_SUPPORTS_RT
help
This option turns the kernel into a real-time kernel by replacing
various locking primitives (spinlocks, rwlocks, etc.) with
--
2.53.0
next prev parent reply other threads:[~2026-06-22 18:10 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-22 18:10 [PATCH v9 00/30] drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 01/30] drm/vblank_work: Add methods to schedule vblank_work in 2 stages Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 02/30] drm/vblank: Add a 2-stage version of drm_crtc_arm_vblank_event Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 03/30] drm/intel/display: Make intel_crtc_arm_vblank_event static Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 04/30] drm/intel/display: Convert vblank event handling to 2-stage arming Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 05/30] drm/i915/display: Move vblank put until after critical section Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 06/30] drm/i915/display: Remove locking from intel_vblank_evade " Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 07/30] drm/i915/display: Handle vlv dsi workaround in scanline_in_safe_range too Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 08/30] drm/i915: Use preempt_disable/enable_rt() where recommended Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 09/30] drm/i915/display: Make get_vblank_counter use intel_de_read_fw() Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 10/30] drm/i915/display: Do not take uncore lock in i915_get_vblank_counter Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 11/30] drm/i915/display: Make icl_dsi_frame_update use _fw too Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 12/30] drm/i915/display: Use intel_de_read/write_fw in colorops Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 13/30] drm/i915/display: Use intel_de_write_fw in intel_pipe_fastset Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 14/30] drm/i915/display: Make set_pipeconf use the fw variants Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 15/30] drm/i915/gt: Use spin_lock_irq() instead of local_irq_disable() + spin_lock() Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 16/30] drm/i915: Drop the irqs_disabled() check Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 17/30] drm/i915/guc: Consider also RCU depth in busy loop Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 18/30] drm/i915/gt: Fix selftests on PREEMPT_RT Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 19/30] drm/i915/gt: Set stop_timeout() correctly on PREEMPT-RT Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 20/30] drm/i915/display: Remove uncore lock from vlv_atomic_update_fifo Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 21/30] drm/i915: Use sleeping selftests for igt_atomic on PREEMPT_RT Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 22/30] Revert "drm/i915: Depend on !PREEMPT_RT." Maarten Lankhorst
2026-06-22 18:10 ` Maarten Lankhorst [this message]
2026-06-22 18:10 ` [PATCH v9 24/30] FOR-CI: bump MAX_STACK_TRACE_ENTRIES Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 25/30] drm/i915/gt: Add a spinlock to prevent starvation of irq_work Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 26/30] drm/xe: Avoid using stolen memory for DPT Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 27/30] drm/xe/display: Avoid using stolen memory for framebuffer when media gt exists Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 28/30] drm/xe/display: Do not allocate into stolen for new framebuffers Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 29/30] drm/i915/pmu: Convert to raw spinlock Maarten Lankhorst
2026-06-22 18:10 ` [PATCH v9 30/30] drm/i915/guc: Make timestamp.lock a " Maarten Lankhorst
2026-06-23 12:57 ` [PATCH v9.5] drm/i915: Disable "busy" pmu event on CONFIG_PREEMPT_RT Maarten Lankhorst
2026-06-23 13:27 ` [PATCH v9.6] " Maarten Lankhorst
2026-08-01 1:01 ` kernel test robot
2026-06-22 18:31 ` ✗ CI.checkpatch: warning for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev17) Patchwork
2026-06-22 18:32 ` ✓ CI.KUnit: success " Patchwork
2026-06-22 18:47 ` ✗ CI.checksparse: warning " Patchwork
2026-06-22 19:33 ` ✓ Xe.CI.BAT: success " Patchwork
2026-06-23 0:05 ` ✗ Xe.CI.FULL: failure " Patchwork
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