original_kernel/arch/s390
Heiko Carstens 504e75d0ed [S390] futex: let futex_atomic_cmpxchg_pt survive early functional tests.
a0c1e9073e "futex: runtime enable pi and
robust functionality" introduces a test wether futex in atomic stuff
works or not.
It does that by writing to address 0 of the kernel address space. This
will crash on older machines where addressing mode switching is enabled
but where the mvcos instruction is not available. Page table walking is
done by hand and therefore the code tries to access current->mm which
is NULL.
Therefore add an extra check, so we survive the early test.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-03-20 17:33:46 +01:00
..
appldata
boot
crypto
hypfs
kernel [S390] incorrect reipl nss name. 2008-03-05 12:37:20 +01:00
lib [S390] futex: let futex_atomic_cmpxchg_pt survive early functional tests. 2008-03-20 17:33:46 +01:00
math-emu
mm
oprofile
Kconfig [S390] Fix IPL from NSS. 2008-03-05 12:37:19 +01:00
Kconfig.debug
Makefile
defconfig [S390] Update default configuration. 2008-03-05 12:37:16 +01:00