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| author | Ingo Molnar | 2016-11-15 10:22:52 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2016-11-15 10:55:03 +0100 |
| commit | 953fee1d82f3454091e9ddc88205136d31f7f212 (patch) | |
| tree | 1a11dcc73d4a5be118f07656f7e587c84906fbcc /arch/x86/Kconfig | |
| parent | x86/kconfig: Clean up IA32_EMULATION select (diff) | |
| download | kernel-qcow2-linux-953fee1d82f3454091e9ddc88205136d31f7f212.tar.gz kernel-qcow2-linux-953fee1d82f3454091e9ddc88205136d31f7f212.tar.xz kernel-qcow2-linux-953fee1d82f3454091e9ddc88205136d31f7f212.zip | |
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@linux-foundation.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 208577cc6d4a..bb62866ddb1f 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 |