[PATCH] powerpc/smp: use '==' instead of '<' for system_state

[liguang]

'system_state < SYSTEM_RUNNING' will have same effect
with 'system_state == SYSTEM_BOOTING', but the later
one is more clearer.

Signed-off-by: liguang <lig.fnst@xxxxxxxxxxxxxx>
---
 arch/powerpc/platforms/cell/smp.c    |    2 +-
 arch/powerpc/platforms/powernv/smp.c |    2 +-
 arch/powerpc/platforms/pseries/smp.c |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/cell/smp.c b/arch/powerpc/platforms/cell/smp.c
index d35dbbc..f75f6fc 100644
--- a/arch/powerpc/platforms/cell/smp.c
+++ b/arch/powerpc/platforms/cell/smp.c
@@ -142,7 +142,7 @@ static int smp_cell_cpu_bootable(unsigned int nr)
 	 * during boot if the user requests it.  Odd-numbered
 	 * cpus are assumed to be secondary threads.
 	 */
-	if (system_state < SYSTEM_RUNNING &&
+	if (system_state == SYSTEM_BOOTING &&
 	    cpu_has_feature(CPU_FTR_SMT) &&
 	    !smt_enabled_at_boot && cpu_thread_in_core(nr) != 0)
 		return 0;
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
index 88c9459..77784ae 100644
--- a/arch/powerpc/platforms/powernv/smp.c
+++ b/arch/powerpc/platforms/powernv/smp.c
@@ -51,7 +51,7 @@ static int pnv_smp_cpu_bootable(unsigned int nr)
 	/* Special case - we inhibit secondary thread startup
 	 * during boot if the user requests it.
 	 */
-	if (system_state < SYSTEM_RUNNING && cpu_has_feature(CPU_FTR_SMT)) {
+	if (system_state == SYSTEM_BOOTING && cpu_has_feature(CPU_FTR_SMT)) {
 		if (!smt_enabled_at_boot && cpu_thread_in_core(nr) != 0)
 			return 0;
 		if (smt_enabled_at_boot
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 12bc8c3..306643c 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -192,7 +192,7 @@ static int smp_pSeries_cpu_bootable(unsigned int nr)
 	/* Special case - we inhibit secondary thread startup
 	 * during boot if the user requests it.
 	 */
-	if (system_state < SYSTEM_RUNNING && cpu_has_feature(CPU_FTR_SMT)) {
+	if (system_state == SYSTEM_BOOTING && cpu_has_feature(CPU_FTR_SMT)) {
 		if (!smt_enabled_at_boot && cpu_thread_in_core(nr) != 0)
 			return 0;
 		if (smt_enabled_at_boot
-- 
1.7.2.5

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