s390/spinlock: Remove condition code clobber from arch_spin_unlock()

hcahca · hcahca · commit 2c3bc137f1e3 · 2024-11-28T14:12:04.000+01:00
Both instructions in arch_spin_unlock() do not clobber the condition
code. Therefore remove the condition code clobber from the inline assembly.

Signed-off-by: Heiko Carstens &lt;hca@linux.ibm.com&gt;
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
@@ -85,7 +85,7 @@ static inline void arch_spin_unlock(arch_spinlock_t *lp)
 		"	sth	%[zero],%[lock]\n"
 		: [lock] "=R" (((unsigned short *)&lp->lock)[1])
 		: [zero] "d" (0)
-		: "cc", "memory");
+		: "memory");
 }
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -85,7 +85,7 @@ static inline void arch_spin_unlock(arch_spinlock_t *lp)`
`85`	`85`	`" sth %[zero],%[lock]\n"`
`86`	`86`	`: [lock] "=R" (((unsigned short *)&lp->lock)[1])`
`87`	`87`	`: [zero] "d" (0)`
`88`		`- : "cc", "memory");`
	`88`	`+ : "memory");`
`89`	`89`	`}`
`90`	`90`
`91`	`91`	`/*`