linux-toradex.git/arch/s390/kernel/early.c, branch v3.0.95

[S390] early: limit savesys cmd string handling

2011-03-23T09:15:14+00:00

Use snprintf() here as well so we won't have to deal with this again.

Signed-off-by: Heiko Carstens 
Signed-off-by: Martin Schwidefsky

[S390] early: Fix possible overlapping data buffer

2011-03-23T09:15:14+00:00

This patch fixed bugzilla #12965:
https://bugzilla.kernel.org/show_bug.cgi?id=12965

The original code contains some inproper use of sprintf
function where a buffer is used both as input string
as well as output string. It should remember the written
bytes in the previous and use that as the offset for
later writing. Also replace sprintf with snprintf.

Signed-off-by: Chen Liu 
Signed-off-by: Martin Schwidefsky

[S390] facility detection: remove unused variable

2010-10-29T14:50:50+00:00

arch/s390/kernel/early.c: In function 'setup_hpage':
arch/s390/kernel/early.c:285:15: warning: unused variable 'facilities'

Signed-off-by: Heiko Carstens 
Signed-off-by: Martin Schwidefsky

[S390] topology: clean up facility detection

2010-10-25T14:10:21+00:00

Move cpu topology facility detection to early setup code where it
should be.

Signed-off-by: Heiko Carstens 
Signed-off-by: Martin Schwidefsky

[S390] cleanup facility list handling

2010-10-25T14:10:21+00:00

Store the facility list once at system startup with stfl/stfle and
reuse the result for all facility tests.

Signed-off-by: Martin Schwidefsky

[S390] add support for nonquiescing sske

2010-10-25T14:10:15+00:00

Improve performance of the sske operation by using the nonquiescing
variant if the affected page has no mappings established. On machines
with no support for the new sske variant the mask bit will be ignored.

Signed-off-by: Martin Schwidefsky

[S390] virtualization aware cpu measurement

2010-05-17T08:00:15+00:00

Use the SPP instruction to set a tag on entry to / exit of the virtual
machine context. This allows the cpu measurement facility to distinguish
the samples from the host and the different guests.

Signed-off-by: Carsten Otte

[S390] nss: add missing .previous statement to asm function

2010-04-09T11:43:02+00:00

The savesys_ipl_nss asm function is put into the .init.text section
however it is missing a ".previous" section which would restore the
previous section.
Luckily all functions in early.c are init functions so it doesn't
matter currently.

Signed-off-by: Heiko Carstens 
Signed-off-by: Martin Schwidefsky

[S390] codepage conversion of kernel parameter line

2010-02-26T21:37:32+00:00

Move the ebcdic to ascii conversion of the kernel parameter line from
head.S to early.c and convert the assembler code to C.

Signed-off-by: Martin Schwidefsky

[S390] add MACHINE_IS_LPAR flag

2010-02-26T21:37:31+00:00

Introduce the MACHINE_IS_LPAR flag for code that should only be
executed if Linux is running in an LPAR.

Signed-off-by: Martin Schwidefsky