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| author | David S. Miller <davem@sunset.davemloft.net> | 2005-09-28 20:21:11 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-09-28 20:21:11 -0700 |
| commit | 8cf14af0a740fb7e9f94a203b5a989beb875d58f (patch) | |
| tree | a7bec4d60c352e780d6a2b75e9b95e637e3a14f7 /include/asm-sparc64 | |
| parent | 705747ab87c96f1b4b8e73ba617c323d9087f6ac (diff) | |
| download | linux-8cf14af0a740fb7e9f94a203b5a989beb875d58f.tar.bz2 | |
[SPARC64]: Convert to use generic exception table support.
The funny "range" exception table entries we had were only
used by the compat layer socketcall assembly, and it wasn't
even needed there.
For free we now get proper exception table sorting and fast
binary searching.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64')
| -rw-r--r-- | include/asm-sparc64/uaccess.h | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/include/asm-sparc64/uaccess.h b/include/asm-sparc64/uaccess.h index 80a65d7e3dbf..c099aa339784 100644 --- a/include/asm-sparc64/uaccess.h +++ b/include/asm-sparc64/uaccess.h @@ -70,25 +70,12 @@ static inline int access_ok(int type, const void __user * addr, unsigned long si * with the main instruction path. This means when everything is well, * we don't even have to jump over them. Further, they do not intrude * on our cache or tlb entries. - * - * There is a special way how to put a range of potentially faulting - * insns (like twenty ldd/std's with now intervening other instructions) - * You specify address of first in insn and 0 in fixup and in the next - * exception_table_entry you specify last potentially faulting insn + 1 - * and in fixup the routine which should handle the fault. - * That fixup code will get - * (faulting_insn_address - first_insn_in_the_range_address)/4 - * in %g2 (ie. index of the faulting instruction in the range). */ -struct exception_table_entry -{ - unsigned insn, fixup; +struct exception_table_entry { + unsigned int insn, fixup; }; -/* Special exable search, which handles ranges. Returns fixup */ -unsigned long search_extables_range(unsigned long addr, unsigned long *g2); - extern void __ret_efault(void); /* Uh, these should become the main single-value transfer routines.. |