+ drm-xe-clean-up-fault-injection-usage.patch added to mm-nonmm-unstable branch

+ drm-xe-clean-up-fault-injection-usage.patch added to mm-nonmm-unstable branch

[Andrew Morton]

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The patch titled
     Subject: drm/xe: clean up fault injection usage
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     drm-xe-clean-up-fault-injection-usage.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/drm-xe-clean-up-fault-injection-usage.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Jani Nikula <jani.nikula@intel.com>
Subject: drm/xe: clean up fault injection usage
Date: Tue, 13 Aug 2024 15:12:37 +0300

With the proper stubs in place in linux/fault-inject.h, we can remove a
bunch of conditional compilation for CONFIG_FAULT_INJECTION=n.

Link: https://lkml.kernel.org/r/20240813121237.2382534-3-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Abhinav Kumar <quic_abhinavk@quicinc.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/gpu/drm/xe/xe_debugfs.c |    7 +------
 drivers/gpu/drm/xe/xe_gt.h      |   10 ++--------
 2 files changed, 3 insertions(+), 14 deletions(-)

--- a/drivers/gpu/drm/xe/xe_debugfs.c~drm-xe-clean-up-fault-injection-usage
+++ a/drivers/gpu/drm/xe/xe_debugfs.c
@@ -6,6 +6,7 @@
 #include "xe_debugfs.h"
 
 #include <linux/debugfs.h>
+#include <linux/fault-inject.h>
 #include <linux/string_helpers.h>
 
 #include <drm/drm_debugfs.h>
@@ -26,10 +27,7 @@
 #include "xe_vm.h"
 #endif
 
-#ifdef CONFIG_FAULT_INJECTION
-#include <linux/fault-inject.h> /* XXX: fault-inject.h is broken */
 DECLARE_FAULT_ATTR(gt_reset_failure);
-#endif
 
 static struct xe_device *node_to_xe(struct drm_info_node *node)
 {
@@ -214,8 +212,5 @@ void xe_debugfs_register(struct xe_devic
 	for_each_gt(gt, xe, id)
 		xe_gt_debugfs_register(gt);
 
-#ifdef CONFIG_FAULT_INJECTION
 	fault_create_debugfs_attr("fail_gt_reset", root, &gt_reset_failure);
-#endif
-
 }
--- a/drivers/gpu/drm/xe/xe_gt.h~drm-xe-clean-up-fault-injection-usage
+++ a/drivers/gpu/drm/xe/xe_gt.h
@@ -6,6 +6,8 @@
 #ifndef _XE_GT_H_
 #define _XE_GT_H_
 
+#include <linux/fault-inject.h>
+
 #include <drm/drm_util.h>
 
 #include "xe_device.h"
@@ -19,19 +21,11 @@
 
 #define CCS_MASK(gt) (((gt)->info.engine_mask & XE_HW_ENGINE_CCS_MASK) >> XE_HW_ENGINE_CCS0)
 
-#ifdef CONFIG_FAULT_INJECTION
-#include <linux/fault-inject.h> /* XXX: fault-inject.h is broken */
 extern struct fault_attr gt_reset_failure;
 static inline bool xe_fault_inject_gt_reset(void)
 {
 	return should_fail(&gt_reset_failure, 1);
 }
-#else
-static inline bool xe_fault_inject_gt_reset(void)
-{
-	return false;
-}
-#endif
 
 struct xe_gt *xe_gt_alloc(struct xe_tile *tile);
 int xe_gt_init_hwconfig(struct xe_gt *gt);
_

Patches currently in -mm which might be from jani.nikula@intel.com are

fault-inject-improve-build-for-config_fault_injection=n.patch
drm-msm-clean-up-fault-injection-usage.patch
drm-xe-clean-up-fault-injection-usage.patch