diff options
| author | Riku Voipio <riku.voipio@linaro.org> | 2016-01-15 16:58:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-16 11:17:24 -0800 |
| commit | b2113a417c4f414eb19c11a6a72abedabd81dc1b (patch) | |
| tree | 91f924b7e2a31cf4099ed8cc0884ceff75005b29 /init | |
| parent | dfffa587a6bcd84f2087f88e11600b0e8b0aa1ee (diff) | |
| download | lwn-b2113a417c4f414eb19c11a6a72abedabd81dc1b.tar.gz lwn-b2113a417c4f414eb19c11a6a72abedabd81dc1b.zip | |
uselib: default depending if libc5 was used
uselib hasn't been used since libc5; glibc does not use it. Deprecate
uselib a bit more, by making the default y only if libc5 was widely used
on the plaform.
This makes arm64 kernel built with defconfig slightly smaller
bloat-o-meter:
add/remove: 0/3 grow/shrink: 0/2 up/down: 0/-1390 (-1390)
function old new delta
kernel_config_data 18164 18162 -2
uselib_flags 20 - -20
padzero 216 192 -24
sys_uselib 380 - -380
load_elf_library 964 - -964
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig index 5481b49e8c3f..4644217b2373 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -285,7 +285,7 @@ config FHANDLE config USELIB bool "uselib syscall" - default y + def_bool ALPHA || M68K || SPARC || X86_32 || IA32_EMULATION help This option enables the uselib syscall, a system call used in the dynamic linker from libc5 and earlier. glibc does not use this |