Ping ! /me only hears back empty cave echoes ... On Wed, 6 Apr 2016, Nicolas Pitre wrote: > > Gentle ping... > > If possible, I'd like for those patches to be sorted out before the > opening of the merge window gets too close like last time. > > > On Tue, 29 Mar 2016, Nicolas Pitre wrote: > > > This patch series provides the option to omit exported symbols from > > the kernel and modules that are never referenced by any of the selected > > modules in the current kernel configuration. this allows for optimizing > > the compiled code and reducing final binaries' size. When using LTO the > > binary size reduction is even more effective. It could also be argued > > that this could bring some security advantages. > > > > The original cover letter with lots of test results can be found here: > > > > https://lkml.org/lkml/2016/2/8/813 > > > > Please consider for merging into your tree. > > > > Alternately, the following branch can be pulled: > > > > http://git.linaro.org/people/nicolas.pitre/linux.git autoksyms > > > > Thanks. > > > > Changes from v6: > > > > - Rebased on v4.6-rc1, including adjustments to the recently introduced > > rule_as_o_S. > > > > - Explicitly ignored more if_changed_dep callers for which no EXPORT_SYMBOL > > can be parsed. > > > > Changes from v5: > > > > - Disable automatic dependency file generation during the preprocessor > > pass when gathering exported symbol names. Not only it is redundant > > but in some conditions this crashes fixdep that might be reading the > > previous dependency file at the same time. Reported by Michal Marek. > > > > - Redirect error messages to stderr rather than pass it as a symbol name > > dependency. > > > > Changes from v4: > > > > - Correctness changes plus small cleanup to adjust_autoksyms.sh as > > suggested by Michal Marek. > > > > - Changed ksym build dependency generation by re-running the preprocessor > > rather than collecting those dependencies as warnings through stderr > > which was too fragile. > > > > Changes from v3: > > > > - Shell portability changes to adjust_autoksyms.sh, partly from > > suggestions by Zev Weiss. > > > > - Fix sample modules by building them before adjust_autoksyms.sh is run. > > > > Changes from v2: > > > > - Generating the build dependencies by parsing the source with fixdep > > turned out to be unreliable due to all the EXPORT_SYMBOL() variants, > > and especially their use within macros where the actual symbol name > > is known only after running the preprocessor. This list of symbol names > > is now obtained from the preprocessor directly, fixing allmodconfig > > builds. > > > > Changes from v1: > > > > - Replaced "exp" that doesn't convey the right meaning as noted by > > Sam Ravnborg. The "ksym" identifier is actually what the kernel > > already uses for this. Therefore: > > - CONFIG_TRIM_UNUSED_EXPSYMS --> CONFIG_TRIM_UNUSED_KSYMS > > - include/generated/expsyms.h --> include/generated/autoksyms.h > > - #define __EXPSYM_* --> #define __KSYM_* > > > > - Some sed regexp improvements as suggested by Al Viro. > > > > - Renamed vmlinux_recursive target to autoksyms_recursive. > > > > - Accept EXPORT_SYMBOL variants with a prefix, e.g. ACPI_EXPORT_SYMBOL. > > > > - Minor commit log clarifications. > > > > - Added Rusty's ACK. > > > > diffstat: > > > > Makefile | 23 +++++++-- > > include/linux/export.h | 33 ++++++++++++- > > init/Kconfig | 16 ++++++ > > scripts/Kbuild.include | 32 +++++++++++- > > scripts/Makefile.build | 32 ++++++------ > > scripts/adjust_autoksyms.sh | 101 ++++++++++++++++++++++++++++++++++++++ > > scripts/basic/fixdep.c | 61 +++++++++++++++++------ > > 7 files changed, 261 insertions(+), 37 deletions(-) > > > > > > -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
