Commit-ID: 953fee1d82f3454091e9ddc88205136d31f7f212 Gitweb: http://git.kernel.org/tip/953fee1d82f3454091e9ddc88205136d31f7f212 Author: Ingo Molnar <mingo@xxxxxxxxxx> AuthorDate: Tue, 15 Nov 2016 10:22:52 +0100 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Tue, 15 Nov 2016 10:55:03 +0100 x86/kconfig: Clean up 32-bit compat options Introduce a 'COMPAT_32' helper config value for 'X86_32 || IA32_EMULATION' and use it. Also move some selects to this new option, to remove more selects from the generic X86 section. Reported-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/x86/Kconfig | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 208577c..bb62866 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -153,11 +153,9 @@ config X86 select HAVE_PERF_USER_STACK_DUMP select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_SYSCALL_TRACEPOINTS - select HAVE_UID16 if X86_32 || IA32_EMULATION select HAVE_UNSTABLE_SCHED_CLOCK select HAVE_USER_RETURN_NOTIFIER select IRQ_FORCED_THREADING - select OLD_SIGSUSPEND3 if X86_32 || IA32_EMULATION select PERF_EVENTS select RTC_LIB select RTC_MC146818_LIB @@ -2098,7 +2096,7 @@ config DEBUG_HOTPLUG_CPU0 config COMPAT_VDSO def_bool n prompt "Disable the 32-bit vDSO (needed for glibc 2.3.3)" - depends on X86_32 || IA32_EMULATION + depends on COMPAT_32 ---help--- Certain buggy versions of glibc will crash if they are presented with a 32-bit vDSO that is not mapped at the address @@ -2728,6 +2726,12 @@ config X86_X32 elf32_x86_64 support enabled to compile a kernel with this option set. +config COMPAT_32 + def_bool y + depends on IA32_EMULATION || X86_32 + select HAVE_UID16 + select OLD_SIGSUSPEND3 + config COMPAT def_bool y depends on IA32_EMULATION || X86_X32 -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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