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gru: generic infrastructure for context options

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Change the user GRU request for specifying the "task_slice" option to use
a generic infrastructure that can be expanded in the future to include
additional context options.  No new capabilities are added with this
patch.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jack Steiner
2009-06-17 16:28:32 -07:00
committed by Linus Torvalds
parent 9f2501142b
commit 92b39388ee
5 changed files with 35 additions and 13 deletions
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4
drivers/misc/sgi-gru/grutables.h
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@@ -198,7 +198,7 @@ struct gru_stats_s {
atomic_long_t user_flush_tlb;
atomic_long_t user_unload_context;
atomic_long_t user_exception;
atomic_long_t set_task_slice;
atomic_long_t set_context_option;
atomic_long_t migrate_check;
atomic_long_t migrated_retarget;
atomic_long_t migrated_unload;
@@ -649,7 +649,7 @@ extern int gru_handle_user_call_os(unsigned long address);
extern int gru_user_flush_tlb(unsigned long arg);
extern int gru_user_unload_context(unsigned long arg);
extern int gru_get_exception_detail(unsigned long arg);
extern int gru_set_task_slice(long address);
extern int gru_set_context_option(unsigned long address);
extern int gru_cpu_fault_map_id(void);
extern struct vm_area_struct *gru_find_vma(unsigned long vaddr);
extern void gru_flush_all_tlb(struct gru_state *gru);