[PATCH 02/17] powerpc/lpar: Reorder steal accounting calculation
Srikar Dronamraju
srikar at linux.ibm.com
Fri Dec 5 04:53:50 AEDT 2025
There is no functional change. Calculated steal could be used in the
subsequent changes. Hence reordering the function.
Signed-off-by: Srikar Dronamraju <srikar at linux.ibm.com>
---
arch/powerpc/platforms/pseries/lpar.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 6a415febc53b..dde12b27ba60 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -662,15 +662,20 @@ machine_device_initcall(pseries, vcpudispatch_stats_procfs_init);
u64 pseries_paravirt_steal_clock(int cpu)
{
struct lppaca *lppaca = &lppaca_of(cpu);
+ unsigned long steal;
+
+ steal = be64_to_cpu(READ_ONCE(lppaca->ready_enqueue_tb));
+ steal += be64_to_cpu(READ_ONCE(lppaca->enqueue_dispatch_tb));
/*
* VPA steal time counters are reported at TB frequency. Hence do a
- * conversion to ns before returning
+ * conversion to ns before using.
*/
- return tb_to_ns(be64_to_cpu(READ_ONCE(lppaca->enqueue_dispatch_tb)) +
- be64_to_cpu(READ_ONCE(lppaca->ready_enqueue_tb)));
+ steal = tb_to_ns(steal);
+
+ return steal;
}
-#endif
+#endif /* CONFIG_PARAVIRT_TIME_ACCOUNTING */
#endif /* CONFIG_PPC_SPLPAR */
--
2.43.7
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