tree: git://git.cmpxchg.org/linux-mmotm.git master
head: f6bf2766c2091cbf8ffcc2c5009875dbdb678282
commit: 8fe1e4640220f24ca6d7c040d4849a8988ababf7 [441/471] x86: change __get_cpu_var calls introduced in 3.14
reproduce: make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
>> arch/x86/kernel/cpu/perf_event_intel_rapl.c:132:27: sparse: incorrect type in initializer (different address spaces)
arch/x86/kernel/cpu/perf_event_intel_rapl.c:132:27: expected void const [noderef] <asn:3>*__vpp_verify
arch/x86/kernel/cpu/perf_event_intel_rapl.c:132:27: got int *<noident>
>> arch/x86/kernel/cpu/perf_event_intel_rapl.c:444:30: sparse: symbol 'rapl_attr_groups' was not declared. Should it be static?
--
>> kernel/sched/deadline.c:1144:38: sparse: incorrect type in initializer (different address spaces)
kernel/sched/deadline.c:1144:38: expected void const [noderef] <asn:3>*__vpp_verify
kernel/sched/deadline.c:1144:38: got struct cpumask *<noident>
kernel/sched/deadline.c:1183:9: sparse: incompatible types in comparison expression (different address spaces)
Please consider folding the attached diff :-)
vim +132 arch/x86/kernel/cpu/perf_event_intel_rapl.c
116
117 static inline u64 rapl_read_counter(struct perf_event *event)
118 {
119 u64 raw;
120 rdmsrl(event->hw.event_base, raw);
121 return raw;
122 }
123
124 static inline u64 rapl_scale(u64 v)
125 {
126 /*
127 * scale delta to smallest unit (1/2^32)
128 * users must then scale back: count * 1/(1e9*2^32) to get Joules
129 * or use ldexp(count, -32).
130 * Watts = Joules/Time delta
131 */
> 132 return v << (32 - __this_cpu_read(rapl_pmu->hw_unit));
133 }
134
135 static u64 rapl_event_update(struct perf_event *event)
136 {
137 struct hw_perf_event *hwc = &event->hw;
138 u64 prev_raw_count, new_raw_count;
139 s64 delta, sdelta;
140 int shift = RAPL_CNTR_WIDTH;
---
0-DAY kernel build testing backend Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild Intel Corporation
From: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Subject: [PATCH mmotm] x86: rapl_attr_groups[] can be static
TO: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
CC: Johannes Weiner <hannes@xxxxxxxxxxx>
CC: linux-kernel@xxxxxxxxxxxxxxx
CC: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
CC: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
perf_event_intel_rapl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
index d0dbcdf..cf4aaf3 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -441,7 +441,7 @@ static struct attribute_group rapl_pmu_format_group = {
.attrs = rapl_formats_attr,
};
-const struct attribute_group *rapl_attr_groups[] = {
+static const struct attribute_group *rapl_attr_groups[] = {
&rapl_pmu_attr_group,
&rapl_pmu_format_group,
&rapl_pmu_events_group,