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s390/ctl_reg: mark __ctl_set_bit and __ctl_clear_bit as __always_inline

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s390:tinyconfig fails to build with gcc 8.3.0.

arch/s390/include/asm/ctl_reg.h:52:2: error: impossible constraint in 'asm'
  asm volatile(       \
  ^~~
arch/s390/include/asm/ctl_reg.h:62:2: note: in expansion of macro '__ctl_store'
  __ctl_store(reg, cr, cr);
  ^~~~~~~~~~~
s390/include/asm/ctl_reg.h:41:2: error: impossible constraint in 'asm'
  asm volatile(       \
  ^~~
arch/s390/include/asm/ctl_reg.h:64:2:
note: in expansion of macro '__ctl_load'
  __ctl_load(reg, cr, cr);
  ^~~~~~~~~~

Marking __ctl_set_bit and __ctl_clear_bit as __always_inline fixes the
problem.

Fixes: 9012d011660e ("compiler: allow all arches to enable CONFIG_OPTIMIZE_INLINING")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Guenter Roeck 2019-06-09 13:35:44 -07:00 committed by Heiko Carstens
parent f9364df304
commit 93c2f55ffc
1 changed files with 2 additions and 2 deletions
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4
arch/s390/include/asm/ctl_reg.h
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@ -55,7 +55,7 @@
: "i" (low), "i" (high)); \
} while (0)
static inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
static __always_inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
{
unsigned long reg;
@ -64,7 +64,7 @@ static inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
__ctl_load(reg, cr, cr);
}
static inline void __ctl_clear_bit(unsigned int cr, unsigned int bit)
static __always_inline void __ctl_clear_bit(unsigned int cr, unsigned int bit)
{
unsigned long reg;