On Thu, Feb 25, 2016 at 09:49:43AM +0100, Heiko Carstens wrote:

On Wed, Feb 24, 2016 at 09:34:11PM +0300, Yury Norov wrote:

quoted

Signed-off-by: Yury Norov <redacted>
---
 arch/Kconfig      | 4 ++++
 arch/s390/Kconfig | 1 +
 2 files changed, 5 insertions(+)

diff --git a/arch/Kconfig b/arch/Kconfig
index f6b649d..6393093 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig

@@ -583,6 +583,10 @@ config HAVE_COPY_THREAD_TLS
 	  normal C parameter passing, rather than extracting the syscall
 	  argument from pt_regs.

+config COMPAT_WRAPPER
+	bool
+	depends on COMPAT
+
 #
 # ABI hall of shame
 #

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 3be9c83..082b861 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig

@@ -333,6 +333,7 @@ config COMPAT
 	select COMPAT_BINFMT_ELF if BINFMT_ELF
 	select ARCH_WANT_OLD_COMPAT_IPC
 	select COMPAT_OLD_SIGACTION
+	select COMPAT_WRAPPER
 	depends on MULTIUSER
 	help
 	  Select this option if you want to enable your system kernel to

Maybe merge this into patch 4/5?

Then bisectability will suffer, as next patch needs COMPAT_WRAPPER
enabled.

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