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OpenRISC fixes for 4.11

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Merge tag 'openrisc-for-linus' of git://github.com/openrisc/linux

Pull OpenRISC fixes from Stafford Horne:
 "OpenRISC fixes for build issues that were exposed by kbuild robots
  after 4.11 merge. All from allmodconfig builds. This includes:

   - bug in the handling of 8-byte get_user() calls

   - module build failure due to multile missing symbol exports"

* tag 'openrisc-for-linus' of git://github.com/openrisc/linux:
  openrisc: Export symbols needed by modules
  openrisc: fix issue handling 8 byte get_user calls
  openrisc: xchg: fix `computed is not used` warning
This commit is contained in:
Linus Torvalds 2017-03-18 15:50:39 -07:00
commit 93afaa4513
4 changed files with 12 additions and 3 deletions
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8
arch/openrisc/include/asm/cmpxchg.h
View File

@ -77,7 +77,11 @@ static inline unsigned long __xchg(unsigned long val, volatile void *ptr,
return val;
}
#define xchg(ptr, with) \
((typeof(*(ptr)))__xchg((unsigned long)(with), (ptr), sizeof(*(ptr))))
#define xchg(ptr, with) \
({ \
(__typeof__(*(ptr))) __xchg((unsigned long)(with), \
(ptr), \
sizeof(*(ptr))); \
})
#endif /* __ASM_OPENRISC_CMPXCHG_H */

2
arch/openrisc/include/asm/uaccess.h
View File

@ -211,7 +211,7 @@ do { \
case 1: __get_user_asm(x, ptr, retval, "l.lbz"); break; \
case 2: __get_user_asm(x, ptr, retval, "l.lhz"); break; \
case 4: __get_user_asm(x, ptr, retval, "l.lwz"); break; \
case 8: __get_user_asm2(x, ptr, retval); \
case 8: __get_user_asm2(x, ptr, retval); break; \
default: (x) = __get_user_bad(); \
} \
} while (0)

4
arch/openrisc/kernel/or32_ksyms.c
View File

@ -30,6 +30,7 @@
#include <asm/hardirq.h>
#include <asm/delay.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#define DECLARE_EXPORT(name) extern void name(void); EXPORT_SYMBOL(name)
@ -42,6 +43,9 @@ DECLARE_EXPORT(__muldi3);
DECLARE_EXPORT(__ashrdi3);
DECLARE_EXPORT(__ashldi3);
DECLARE_EXPORT(__lshrdi3);
DECLARE_EXPORT(__ucmpdi2);
EXPORT_SYMBOL(empty_zero_page);
EXPORT_SYMBOL(__copy_tofrom_user);
EXPORT_SYMBOL(__clear_user);
EXPORT_SYMBOL(memset);

1
arch/openrisc/kernel/process.c
View File

@ -90,6 +90,7 @@ void arch_cpu_idle(void)
}
void (*pm_power_off) (void) = machine_power_off;
EXPORT_SYMBOL(pm_power_off);
/*
* When a process does an "exec", machine state like FPU and debug