From fe7296e19221c6dc125a06b52e28ccbdb76d9b58 Mon Sep 17 00:00:00 2001 From: Shaokun Zhang Date: Wed, 24 May 2017 15:43:18 +0800 Subject: arm64: perf: Extend event config for ARMv8.1 Perf has supported ARMv8.1 feature with 16-bit evtCount filed [see c210ae8 arm64: perf: Extend event mask for ARMv8.1], event config should be extended to 16-bit too, otherwise, if use -e event_name whose event_code is more than 0x3ff, pmu_config_term will return -EINVAL because function pmu_format_max_value depends on event config. This patch extends event config to 16-bit. Signed-off-by: Shaokun Zhang Signed-off-by: Will Deacon --- arch/arm64/kernel/perf_event.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 83a1b1ad189f..b5798ba21189 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -529,7 +529,7 @@ static struct attribute_group armv8_pmuv3_events_attr_group = { .is_visible = armv8pmu_event_attr_is_visible, }; -PMU_FORMAT_ATTR(event, "config:0-9"); +PMU_FORMAT_ATTR(event, "config:0-15"); static struct attribute *armv8_pmuv3_format_attrs[] = { &format_attr_event.attr, -- cgit v1.2.3 From d5f7b828ffab28e5684913e76697e94e2442d164 Mon Sep 17 00:00:00 2001 From: Arvind Yadav Date: Thu, 15 Jun 2017 14:55:37 +0530 Subject: arm: perf: make of_device_ids const of_device_ids are not supposed to change at runtime. All functions working with of_device_ids provided by work with const of_device_ids. So mark the non-const structs as const. Signed-off-by: Arvind Yadav Signed-off-by: Will Deacon --- arch/arm/kernel/perf_event_v6.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c index 96b7a477a8db..8226d0b71fd3 100644 --- a/arch/arm/kernel/perf_event_v6.c +++ b/arch/arm/kernel/perf_event_v6.c @@ -552,7 +552,7 @@ static int armv6mpcore_pmu_init(struct arm_pmu *cpu_pmu) return 0; } -static struct of_device_id armv6_pmu_of_device_ids[] = { +static const struct of_device_id armv6_pmu_of_device_ids[] = { {.compatible = "arm,arm11mpcore-pmu", .data = armv6mpcore_pmu_init}, {.compatible = "arm,arm1176-pmu", .data = armv6_1176_pmu_init}, {.compatible = "arm,arm1136-pmu", .data = armv6_1136_pmu_init}, -- cgit v1.2.3