From 6ce2082fd3a25d5a8c756120959237cace0379f1 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Tue, 13 Aug 2024 15:12:35 +0300 Subject: fault-inject: improve build for CONFIG_FAULT_INJECTION=n MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The fault-inject.h users across the kernel need to add a lot of #ifdef CONFIG_FAULT_INJECTION to cater for shortcomings in the header. Make fault-inject.h self-contained for CONFIG_FAULT_INJECTION=n, and add stubs for DECLARE_FAULT_ATTR(), setup_fault_attr(), should_fail_ex(), and should_fail() to allow removal of conditional compilation. [akpm@linux-foundation.org: repair fallout from no longer including debugfs.h into fault-inject.h] [akpm@linux-foundation.org: fix drivers/misc/xilinx_tmr_inject.c] [akpm@linux-foundation.org: Add debugfs.h inclusion to more files, per Stephen] Link: https://lkml.kernel.org/r/20240813121237.2382534-1-jani.nikula@intel.com Fixes: 6ff1cb355e62 ("[PATCH] fault-injection capabilities infrastructure") Signed-off-by: Jani Nikula Cc: Akinobu Mita Cc: Abhinav Kumar Cc: Dmitry Baryshkov Cc: Himal Prasad Ghimiray Cc: Lucas De Marchi Cc: Rob Clark Cc: Rodrigo Vivi Cc: Thomas Hellström Cc: Stephen Rothwell Signed-off-by: Andrew Morton --- drivers/gpu/drm/msm/msm_drv.c | 1 + drivers/iommu/iommufd/selftest.c | 1 + drivers/misc/xilinx_tmr_inject.c | 1 + drivers/nvme/host/fault_inject.c | 1 + drivers/ufs/core/ufs-fault-injection.c | 1 + 5 files changed, 5 insertions(+) (limited to 'drivers') diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 9c33f4e3f822..e018bc79e188 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -7,6 +7,7 @@ #include #include +#include #include #include diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index 222cfc11ebfd..db4032feccee 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/misc/xilinx_tmr_inject.c b/drivers/misc/xilinx_tmr_inject.c index 73c6da7d0963..734fdfac19ef 100644 --- a/drivers/misc/xilinx_tmr_inject.c +++ b/drivers/misc/xilinx_tmr_inject.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include diff --git a/drivers/nvme/host/fault_inject.c b/drivers/nvme/host/fault_inject.c index 1d1b6441a339..105d6cb41c72 100644 --- a/drivers/nvme/host/fault_inject.c +++ b/drivers/nvme/host/fault_inject.c @@ -6,6 +6,7 @@ */ #include +#include #include "nvme.h" static DECLARE_FAULT_ATTR(fail_default_attr); diff --git a/drivers/ufs/core/ufs-fault-injection.c b/drivers/ufs/core/ufs-fault-injection.c index 169540417079..55db38e75cc4 100644 --- a/drivers/ufs/core/ufs-fault-injection.c +++ b/drivers/ufs/core/ufs-fault-injection.c @@ -3,6 +3,7 @@ #include #include #include +#include #include #include #include "ufs-fault-injection.h" -- cgit v1.2.3 From f161cdd91b2a68ed846ecaac43b2f01af0ea61c8 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Tue, 13 Aug 2024 15:12:36 +0300 Subject: drm/msm: clean up fault injection usage MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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/20240813121237.2382534-2-jani.nikula@intel.com Signed-off-by: Jani Nikula Reviewed-by: Thomas Hellström Reviewed-by: Himal Prasad Ghimiray Reviewed-by: Abhinav Kumar Cc: Akinobu Mita Cc: Rob Clark Cc: Dmitry Baryshkov Cc: Lucas De Marchi Cc: Rodrigo Vivi Signed-off-by: Andrew Morton --- drivers/gpu/drm/msm/msm_debugfs.c | 2 -- drivers/gpu/drm/msm/msm_drv.c | 2 -- drivers/gpu/drm/msm/msm_drv.h | 4 ---- 3 files changed, 8 deletions(-) (limited to 'drivers') diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c index 4494f6d1c7cb..7ab607252d18 100644 --- a/drivers/gpu/drm/msm/msm_debugfs.c +++ b/drivers/gpu/drm/msm/msm_debugfs.c @@ -357,12 +357,10 @@ void msm_debugfs_init(struct drm_minor *minor) if (priv->kms && priv->kms->funcs->debugfs_init) priv->kms->funcs->debugfs_init(priv->kms, minor); -#ifdef CONFIG_FAULT_INJECTION fault_create_debugfs_attr("fail_gem_alloc", minor->debugfs_root, &fail_gem_alloc); fault_create_debugfs_attr("fail_gem_iova", minor->debugfs_root, &fail_gem_iova); -#endif } #endif diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index e018bc79e188..8c13b08708d2 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -59,10 +59,8 @@ static bool modeset = true; MODULE_PARM_DESC(modeset, "Use kernel modesetting [KMS] (1=on (default), 0=disable)"); module_param(modeset, bool, 0600); -#ifdef CONFIG_FAULT_INJECTION DECLARE_FAULT_ATTR(fail_gem_alloc); DECLARE_FAULT_ATTR(fail_gem_iova); -#endif static int msm_drm_uninit(struct device *dev) { diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index be016d7b4ef1..9b953860131b 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -33,12 +33,8 @@ #include #include -#ifdef CONFIG_FAULT_INJECTION extern struct fault_attr fail_gem_alloc; extern struct fault_attr fail_gem_iova; -#else -# define should_fail(attr, size) 0 -#endif struct msm_kms; struct msm_gpu; -- cgit v1.2.3 From ccbfd2df3018e2694f750abe5e93b647a4eef5b1 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Tue, 13 Aug 2024 15:12:37 +0300 Subject: drm/xe: clean up fault injection usage MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Thomas Hellström Reviewed-by: Himal Prasad Ghimiray Cc: Akinobu Mita Cc: Lucas De Marchi Cc: Rodrigo Vivi Cc: Abhinav Kumar Cc: Dmitry Baryshkov Cc: Rob Clark Signed-off-by: Andrew Morton --- drivers/gpu/drm/xe/xe_debugfs.c | 7 +------ drivers/gpu/drm/xe/xe_gt.h | 10 ++-------- 2 files changed, 3 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/gpu/drm/xe/xe_debugfs.c b/drivers/gpu/drm/xe/xe_debugfs.c index 1011e5d281fa..b381bfb634f7 100644 --- a/drivers/gpu/drm/xe/xe_debugfs.c +++ b/drivers/gpu/drm/xe/xe_debugfs.c @@ -6,6 +6,7 @@ #include "xe_debugfs.h" #include +#include #include #include @@ -26,10 +27,7 @@ #include "xe_vm.h" #endif -#ifdef CONFIG_FAULT_INJECTION -#include /* 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_device *xe) for_each_gt(gt, xe, id) xe_gt_debugfs_register(gt); -#ifdef CONFIG_FAULT_INJECTION fault_create_debugfs_attr("fail_gt_reset", root, >_reset_failure); -#endif - } diff --git a/drivers/gpu/drm/xe/xe_gt.h b/drivers/gpu/drm/xe/xe_gt.h index 8b1a5027dcf2..ee138e9768a2 100644 --- a/drivers/gpu/drm/xe/xe_gt.h +++ b/drivers/gpu/drm/xe/xe_gt.h @@ -6,6 +6,8 @@ #ifndef _XE_GT_H_ #define _XE_GT_H_ +#include + #include #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 /* 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(>_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); -- cgit v1.2.3 From dab2214fec6057d2ba816bba1d30aca73c08ad68 Mon Sep 17 00:00:00 2001 From: WangYuli Date: Fri, 6 Sep 2024 13:40:08 +0800 Subject: treewide: correct the typo 'retun' There are some spelling mistakes of 'retun' in comments which should be instead of 'return'. Link: https://lkml.kernel.org/r/63D0F870EE8E87A0+20240906054008.390188-1-wangyuli@uniontech.com Signed-off-by: WangYuli Signed-off-by: Andrew Morton --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h | 2 +- drivers/infiniband/core/sa_query.c | 2 +- drivers/input/misc/wistron_btns.c | 2 +- drivers/mtd/nand/raw/nandsim.c | 2 +- drivers/scsi/bfa/bfa_fcs.c | 2 +- drivers/scsi/pmcraid.c | 2 +- 6 files changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h index b26d5fe40c72..febc3e764a63 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h @@ -231,7 +231,7 @@ struct dpu_crtc_state { container_of(x, struct dpu_crtc_state, base) /** - * dpu_crtc_frame_pending - retun the number of pending frames + * dpu_crtc_frame_pending - return the number of pending frames * @crtc: Pointer to drm crtc object */ static inline int dpu_crtc_frame_pending(struct drm_crtc *crtc) diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 8175dde60b0a..53571e6b3162 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -1420,7 +1420,7 @@ enum opa_pr_supported { /* * opa_pr_query_possible - Check if current PR query can be an OPA query. * - * Retuns PR_NOT_SUPPORTED if a path record query is not + * Returns PR_NOT_SUPPORTED if a path record query is not * possible, PR_OPA_SUPPORTED if an OPA path record query * is possible and PR_IB_SUPPORTED if an IB path record * query is possible. diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c index 5c4956678cd0..39d6f642cd19 100644 --- a/drivers/input/misc/wistron_btns.c +++ b/drivers/input/misc/wistron_btns.c @@ -1075,7 +1075,7 @@ static void wistron_led_init(struct device *parent) } if (leds_present & FE_MAIL_LED) { - /* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */ + /* bios_get_default_setting(MAIL) always returns 0, so just turn the led off */ wistron_mail_led.brightness = LED_OFF; if (led_classdev_register(parent, &wistron_mail_led)) leds_present &= ~FE_MAIL_LED; diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c index 179b28459b4b..df48b7d01d16 100644 --- a/drivers/mtd/nand/raw/nandsim.c +++ b/drivers/mtd/nand/raw/nandsim.c @@ -1381,7 +1381,7 @@ static inline union ns_mem *NS_GET_PAGE(struct nandsim *ns) } /* - * Retuns a pointer to the current byte, within the current page. + * Returns a pointer to the current byte, within the current page. */ static inline u_char *NS_PAGE_BYTE_OFF(struct nandsim *ns) { diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c index 5023c0ab4277..e52ce9b01f49 100644 --- a/drivers/scsi/bfa/bfa_fcs.c +++ b/drivers/scsi/bfa/bfa_fcs.c @@ -1431,7 +1431,7 @@ bfa_cb_lps_flogo_comp(void *bfad, void *uarg) * param[in] vf_id - VF_ID * * return - * If lookup succeeds, retuns fcs vf object, otherwise returns NULL + * If lookup succeeds, returns fcs vf object, otherwise returns NULL */ bfa_fcs_vf_t * bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id) diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index a2a084c8075e..72a4c6e3d0c8 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -4009,7 +4009,7 @@ static void pmcraid_tasklet_function(unsigned long instance) * This routine un-registers registered interrupt handler and * also frees irqs/vectors. * - * Retun Value + * Return Value * None */ static -- cgit v1.2.3