Martin Schwidefsky 7aa0055e06 s390: fine-tune stack switch helper ... The CALL_ON_STACK helper currently does not work with clang and for calls without arguments. It does not initialize r2 although the constraint is "+&d". Rework the CALL_FMT_x and the CALL_ON_STACK macros to work with clang and produce optimal code in all cases. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		2019-04-11 13:36:45 +02:00
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asm	s390: fine-tune stack switch helper	2019-04-11 13:36:45 +02:00
uapi/asm	kbuild: force all architectures except um to include mandatory-y	2019-03-17 12:56:32 +09:00