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| author | Chris Zankel <chris@zankel.net> | 2012-11-13 23:16:36 (GMT) |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2012-12-19 05:10:20 (GMT) |
| commit | 6550162200b40d1e725167f8a617255c42b57552 (patch) | |
| tree | 072a99de3ab75fe899254bf75d1a704d91f8916f /arch/xtensa/Kconfig.debug | |
| parent | 02b25d811f949fc70badd6535dfaf13a3c5decf9 (diff) | |
| download | linux-6550162200b40d1e725167f8a617255c42b57552.tar.xz | |
xtensa: add config option to disable linker relaxation
The default linker behavior is to optimize identical literal values and
remove unnecessary overhead from assembler-generated "longcall" sequences
to reduce code size. Provide an option to disable this behavior to improve
compile time.
Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa/Kconfig.debug')
| -rw-r--r-- | arch/xtensa/Kconfig.debug | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/xtensa/Kconfig.debug b/arch/xtensa/Kconfig.debug index 11c5852..be5fb4c 100644 --- a/arch/xtensa/Kconfig.debug +++ b/arch/xtensa/Kconfig.debug @@ -2,6 +2,15 @@ menu "Kernel hacking" source "lib/Kconfig.debug" -endmenu - +config LD_NO_RELAX + bool "Disable linker relaxation" + default n + help + Enable this function to disable link-time optimizations. + The default linker behavior is to combine identical literal + values to reduce code size and remove unnecessary overhead from + assembler-generated 'longcall' sequences. + Enabling this option improves the link time but increases the + code size, and possibly execution time. +endmenu |