diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-29 11:30:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-29 11:30:45 -0700 |
| commit | 4d3ce21fa9d2eaeda113aa2f9c2da80d972bef64 (patch) | |
| tree | 9ffa5af467d6e9f6f6c8eb496489bf882613a459 /include/asm-parisc/uaccess.h | |
| parent | b026188e8214ce87790730a56f3017d0bd222751 (diff) | |
| parent | c1a7a755be26f68d7f21ee769584149a96185ea8 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6: (23 commits)
[PARISC] Move os_id_to_string() inside #ifndef __ASSEMBLY__
[PARISC] Fix do_gettimeofday() hang
[PARISC] Fix PCREL22F relocation problem for most modules
[PARISC] Refactor show_regs in traps.c
[PARISC] Add os_id_to_string helper
[PARISC] OS_ID_LINUX == 0x0006
[PARISC] Ensure Space ID hashing is turned off
[PARISC] Match show_cache_info with reality
[PARISC] Remove unused macro fixup_branch in syscall.S
[PARISC] Add is_compat_task() helper
[PARISC] Update Thibaut Varene's CREDITS entry
[PARISC] Reduce data footprint in pdc_stable.c
[PARISC] pdc_stable version 0.30
[PARISC] Work around machines which do not support chassis warnings
[PARISC] PDC_CHASSIS is implemented on all machines
[PARISC] Remove unconditional #define PIC in syscall macros
[PARISC] Use MFIA in current_text_addr on pa2.0 processors
[PARISC] Remove dead function pc_in_user_space
[PARISC] Test ioc_needs_fdc variable instead of open coding
[PARISC] Fix gcc 4.1 warnings in sba_iommu.c
...
Diffstat (limited to 'include/asm-parisc/uaccess.h')
| -rw-r--r-- | include/asm-parisc/uaccess.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/asm-parisc/uaccess.h b/include/asm-parisc/uaccess.h index f6c417c8c48..d973e8b3466 100644 --- a/include/asm-parisc/uaccess.h +++ b/include/asm-parisc/uaccess.h @@ -172,7 +172,11 @@ struct exception_data { /* * The "__put_user/kernel_asm()" macros tell gcc they read from memory * instead of writing. This is because they do not write to any memory - * gcc knows about, so there are no aliasing issues. + * gcc knows about, so there are no aliasing issues. These macros must + * also be aware that "fixup_put_user_skip_[12]" are executed in the + * context of the fault, and any registers used there must be listed + * as clobbers. In this case only "r1" is used by the current routines. + * r8/r9 are already listed as err/val. */ #ifdef __LP64__ @@ -183,7 +187,8 @@ struct exception_data { "\t.dword\t1b,fixup_put_user_skip_1\n" \ "\t.previous" \ : "=r"(__pu_err) \ - : "r"(ptr), "r"(x), "0"(__pu_err)) + : "r"(ptr), "r"(x), "0"(__pu_err) \ + : "r1") #define __put_user_asm(stx,x,ptr) \ __asm__ __volatile__ ( \ |