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authorliguang <lig.fnst@cn.fujitsu.com>2013-05-30 14:47:53 +0800
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-06-20 17:04:23 +1000
commita5b45ded097908d40803b5c2770259398811b24e (patch)
tree702a5cd163ed1b416511a1d0834a28e67b42bcca /arch/powerpc
parentpowerpc: Restore dbcr0 on user space exit (diff)
downloadlinux-dev-a5b45ded097908d40803b5c2770259398811b24e.tar.xz
linux-dev-a5b45ded097908d40803b5c2770259398811b24e.zip
powerpc/smp: Use '==' instead of '<' for system_state
'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@cn.fujitsu.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/cell/smp.c2
-rw-r--r--arch/powerpc/platforms/powernv/smp.c2
-rw-r--r--arch/powerpc/platforms/pseries/smp.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/cell/smp.c b/arch/powerpc/platforms/cell/smp.c
index d35dbbc8ec79..f75f6fcac729 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 88c9459c3e07..77784aead1c2 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 12bc8c3663ad..306643cc9dbc 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