This patch moves events_sysfs_show outside CONFIG_CPU_SUP_INTEL, because
this interface will be also used in an AMD power reporting PMU driver.
Otherwise, below build error would be encountered:
All error/warnings (new ones prefixed by >>):
In file included from include/linux/kobject.h:21:0,
from include/linux/module.h:17,
from arch/x86/kernel/cpu/perf_event_amd_power.c:13:
>> arch/x86/kernel/cpu/perf_event.h:663:31: error: 'events_sysfs_show' undeclared here (not in a function)
.attr = __ATTR(_name, 0444, events_sysfs_show, NULL), \
^
include/linux/sysfs.h:103:10: note: in definition of macro '__ATTR'
.show = _show, \
^
>> arch/x86/kernel/cpu/perf_event_amd_power.c:244:1: note: in expansion of macro 'EVENT_ATTR_STR'
EVENT_ATTR_STR(power-pkg, power_pkg, "event=0x01");
^
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Reported-by: build test robot <lkp@xxxxxxxxx>
Signed-off-by: Huang Rui <ray.huang@xxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: acme@xxxxxxxxxx
---
Hi Peter, Ingo, Randy,
According to the comments of below thread, I rebased this fix to
latest kernel.
http://lkml.kernel.org/r/56F41E3F.8000407@xxxxxxxxxxxxx
Orignal patch:
https://git.kernel.org/cgit/linux/kernel/git/bp/bp.git/commit/?h=tip-perf&id=f5ba42d22cb478d32363b2b8e92e14b1fd190ce1
Thanks,
Rui
---
arch/x86/events/perf_event.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index ba6ef18..a6771e2 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -795,6 +795,9 @@ ssize_t intel_event_sysfs_show(char *page, u64 config);
struct attribute **merge_attr(struct attribute **a, struct attribute **b);
+ssize_t events_sysfs_show(struct device *dev, struct device_attribute *attr,
+ char *page);
+
#ifdef CONFIG_CPU_SUP_AMD
int amd_pmu_init(void);
@@ -925,9 +928,6 @@ int p6_pmu_init(void);
int knc_pmu_init(void);
-ssize_t events_sysfs_show(struct device *dev, struct device_attribute *attr,
- char *page);
-
static inline int is_ht_workaround_enabled(void)
{
return !!(x86_pmu.flags & PMU_FL_EXCL_ENABLED);
--
1.9.1
--
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