Messages in this thread Patch in this message | | | From | Riku Voipio <> | Subject | [PATCH v2] uselib: default depending if libc5 was used | Date | Fri, 27 Nov 2015 13:14:20 +0200 |
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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 slighly 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> Cc: Josh Triplett <josh@joshtriplett.org> --- v2: Disable on X86_64 if no 32bit support init/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/init/Kconfig b/init/Kconfig index c24b6f7..a4bc657 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 || (X86_64 && 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 -- 2.6.2
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