| Message ID | 1448622860-9689-1-git-send-email-riku.voipio@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
On 1 December 2015 at 10:46, Geert Uytterhoeven <geert@linux-m68k.org> wrote: > On Tue, Dec 1, 2015 at 1:31 AM, Andrew Morton <akpm@linux-foundation.org> wrote: >> On Fri, 27 Nov 2015 12:07:10 -0800 Josh Triplett <josh@joshtriplett.org> wrote: >>> IA32_EMULATION depends on X86_64, so doesn't that reduce to: >>> def_bool ALPHA || M68K || SPARC || X86_32 || IA32_EMULATION Ok. looks cleaner to me. >> It's a bit old fashioned to add an expression like this at the >> definition site anyway. The cool new thing is to do >> >> def_bool ARCH_WANT_USELIB >> >> then go off and define ARCH_WANT_USELIB in the appropriate places in >> the per-arch Kconfig files. > > That's useful for new to-be-implemented features, but this dependency list is > (hopefully) cast in stone. No new architecture should need this. > So I see no reason to clutter up more Kconfig files. I agree. Splitting oneline patch to a patch that changes 5 files around kernel tree only risks merge conflicts in this case. Riku -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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
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(-) -- 2.6.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/