If the 'old' operand to cmpxchg() is a constant wider than 21 bits, linking fails with a "relocation truncated to fit: R_AVR32_21S" error.
Fix this by replacing the "i" constraint with "Ks21" which makes the compiler use a temporary register for out of range constants. Signed-off-by: Mans Rullgard <[email protected]> --- This fixes link errors in linux-next with CONFIG_AIO_THREAD enabled. --- arch/avr32/include/asm/cmpxchg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/avr32/include/asm/cmpxchg.h b/arch/avr32/include/asm/cmpxchg.h index 366bbeaeb405..572739b4c4b4 100644 --- a/arch/avr32/include/asm/cmpxchg.h +++ b/arch/avr32/include/asm/cmpxchg.h @@ -57,7 +57,7 @@ static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old, " brne 1b\n" "2:\n" : [ret] "=&r"(ret), [m] "=m"(*m) - : "m"(m), [old] "ir"(old), [new] "r"(new) + : "m"(m), [old] "Ks21r"(old), [new] "r"(new) : "memory", "cc"); return ret; } -- 2.7.2
