xtensa: SMP: mark each possible CPU as present

jcmvbkbc · jcmvbkbc · commit 8b1c42cdd718 · 2019-01-26T02:02:14.000-08:00
Otherwise it is impossible to enable CPUs after booting with 'maxcpus'
parameter.

Signed-off-by: Max Filippov &lt;jcmvbkbc@gmail.com&gt;
diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c
@@ -83,7 +83,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 {
 	unsigned i;
 
-	for (i = 0; i < max_cpus; ++i)
+	for_each_possible_cpu(i)
 		set_cpu_present(i, true);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -83,7 +83,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)`
`83`	`83`	`{`
`84`	`84`	`unsigned i;`
`85`	`85`
`86`		`- for (i = 0; i < max_cpus; ++i)`
	`86`	`+ for_each_possible_cpu(i)`
`87`	`87`	`set_cpu_present(i, true);`
`88`	`88`	`}`
`89`	`89`