linux/arch/s390/lib
Martin Schwidefsky e4d82692f4 [S390] missing sacf in uaccess
The uaccess functions copy_in_user_std and clear_user_std fail to
switch back from secondary space mode to primary space mode with sacf
in case of an unresolvable page fault. We need to make sure that the
switch back to primary mode is done in all cases, otherwise the code
following the uaccess inline assembly will crash.

Reported-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2011-01-31 11:30:20 +01:00
..
delay.c [S390] time: let local_tick_enable/disable() reprogram the clock comparator 2011-01-05 12:47:25 +01:00
div64.c [S390] __div64_31 broken for CONFIG_MARCH_G5 2009-03-18 13:28:12 +01:00
Makefile [S390] uaccess: make sure copy_from_user_overflow is builtin 2010-03-08 12:25:29 +01:00
qrnnd.S
spinlock.c [S390] spinlock: check virtual cpu running status 2010-02-26 22:37:31 +01:00
string.c [S390] use compiler builtin versions of strlen/strcpy/strcat 2009-03-26 15:24:24 +01:00
uaccess_mvcos.c [S390] Improve address space mode selection. 2009-12-07 12:51:33 +01:00
uaccess_pt.c [S390] Use do_exception() in pagetable walk usercopy functions. 2009-12-07 12:51:34 +01:00
uaccess_std.c [S390] missing sacf in uaccess 2011-01-31 11:30:20 +01:00
uaccess.h
ucmpdi2.c [S390] add __ucmpdi2() helper function 2009-07-07 16:37:53 +02:00
usercopy.c [S390] uaccess: implement strict user copy checks 2010-02-26 22:37:29 +01:00