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32 results

processor.h

Blame
    • Qing Zhang's avatar
      93a4fa62
      LoongArch: Add STACKTRACE support · 93a4fa62
      Qing Zhang authored
      
      1. Use common arch_stack_walk() infrastructure to avoid duplicated code
         and avoid taking care of the stack storage and filtering.
      2. Add sched_ra (means sched return address) and sched_cfa (means sched
         call frame address) to thread_info, and store them in switch_to().
      3. Add __get_wchan() implementation.
      
      Now we can print the process stack and wait channel by cat /proc/*/stack
      and /proc/*/wchan.
      
      Signed-off-by: default avatarQing Zhang <zhangqing@loongson.cn>
      Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
      93a4fa62
      History
      LoongArch: Add STACKTRACE support
      Qing Zhang authored
      
      1. Use common arch_stack_walk() infrastructure to avoid duplicated code
         and avoid taking care of the stack storage and filtering.
      2. Add sched_ra (means sched return address) and sched_cfa (means sched
         call frame address) to thread_info, and store them in switch_to().
      3. Add __get_wchan() implementation.
      
      Now we can print the process stack and wait channel by cat /proc/*/stack
      and /proc/*/wchan.
      
      Signed-off-by: default avatarQing Zhang <zhangqing@loongson.cn>
      Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
    intel-gtt.h 941 B
    /* Common header for intel-gtt.ko and i915.ko */
    
    #ifndef _DRM_INTEL_GTT_H
    #define	_DRM_INTEL_GTT_H
    
    void intel_gtt_get(u64 *gtt_total, size_t *stolen_size,
    		   phys_addr_t *mappable_base, u64 *mappable_end);
    
    int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
    		     struct agp_bridge_data *bridge);
    void intel_gmch_remove(void);
    
    bool intel_enable_gtt(void);
    
    void intel_gtt_chipset_flush(void);
    void intel_gtt_insert_page(dma_addr_t addr,
    			   unsigned int pg,
    			   unsigned int flags);
    void intel_gtt_insert_sg_entries(struct sg_table *st,
    				 unsigned int pg_start,
    				 unsigned int flags);
    void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
    
    /* Special gtt memory types */
    #define AGP_DCACHE_MEMORY	1
    #define AGP_PHYS_MEMORY		2
    
    /* flag for GFDT type */
    #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
    
    #ifdef CONFIG_INTEL_IOMMU
    extern int intel_iommu_gfx_mapped;
    #endif
    
    #endif