mirror of
https://github.com/adulau/aha.git
synced 2024-12-29 12:16:20 +00:00
42fda66387
This patchset throws out tt mode, which has been non-functional for a while. This is done in phases, interspersed with code cleanups on the affected files. The removal is done as follows: remove all code, config options, and files which depend on CONFIG_MODE_TT get rid of the CHOOSE_MODE macro, which decided whether to call tt-mode or skas-mode code, and replace invocations with their skas portions replace all now-trivial procedures with their skas equivalents There are now a bunch of now-redundant pieces of data structures, including mode-specific pieces of the thread structure, pt_regs, and mm_context. These are all replaced with their skas-specific contents. As part of the ongoing style compliance project, I made a style pass over all files that were changed. There are three such patches, one for each phase, covering the files affected by that phase but no later ones. I noticed that we weren't freeing the LDT state associated with a process when it exited, so that's fixed in one of the later patches. The last patch is a tidying patch which I've had for a while, but which caused inexplicable crashes under tt mode. Since that is no longer a problem, this can now go in. This patch: Start getting rid of tt mode support. This patch throws out CONFIG_MODE_TT and all config options, code, and files which depend on it. CONFIG_MODE_SKAS is gone and everything that depends on it is included unconditionally. The few changed lines are in re-written Kconfig help, lines which needed something skas-related removed from them, and a few more which weren't strictly deletions. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
40 lines
1.1 KiB
Text
40 lines
1.1 KiB
Text
menu "Kernel hacking"
|
|
|
|
source "lib/Kconfig.debug"
|
|
|
|
config GPROF
|
|
bool "Enable gprof support"
|
|
depends on DEBUG_INFO
|
|
help
|
|
This allows profiling of a User-Mode Linux kernel with the gprof
|
|
utility.
|
|
|
|
See <http://user-mode-linux.sourceforge.net/gprof.html> for more
|
|
details.
|
|
|
|
If you're involved in UML kernel development and want to use gprof,
|
|
say Y. If you're unsure, say N.
|
|
|
|
config GCOV
|
|
bool "Enable gcov support"
|
|
depends on DEBUG_INFO
|
|
help
|
|
This option allows developers to retrieve coverage data from a UML
|
|
session.
|
|
|
|
See <http://user-mode-linux.sourceforge.net/gprof.html> for more
|
|
details.
|
|
|
|
If you're involved in UML kernel development and want to use gcov,
|
|
say Y. If you're unsure, say N.
|
|
|
|
config DEBUG_STACK_USAGE
|
|
bool "Stack utilization instrumentation"
|
|
default N
|
|
help
|
|
Track the maximum kernel stack usage - this will look at each
|
|
kernel stack at process exit and log it if it's the deepest
|
|
stack seen so far.
|
|
|
|
This option will slow down process creation and destruction somewhat.
|
|
endmenu
|