summaryrefslogtreecommitdiffstats
path: root/drivers/perf
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/perf')
-rw-r--r--drivers/perf/Kconfig1
-rw-r--r--drivers/perf/arm_pmu.c1
-rw-r--r--drivers/perf/arm_spe_pmu.c10
-rw-r--r--drivers/perf/hisilicon/Makefile1
-rw-r--r--drivers/perf/xgene_pmu.c14
5 files changed, 5 insertions, 22 deletions
diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig
index a94e586a58b2..e4221a107dca 100644
--- a/drivers/perf/Kconfig
+++ b/drivers/perf/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Performance Monitor Drivers
#
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index eec75b97e7ea..2d06b8095a19 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#undef DEBUG
/*
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 7cb766dafe85..e120f933412a 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -855,16 +855,8 @@ static void *arm_spe_pmu_setup_aux(struct perf_event *event, void **pages,
if (!pglist)
goto out_free_buf;
- for (i = 0; i < nr_pages; ++i) {
- struct page *page = virt_to_page(pages[i]);
-
- if (PagePrivate(page)) {
- pr_warn("unexpected high-order page for auxbuf!");
- goto out_free_pglist;
- }
-
+ for (i = 0; i < nr_pages; ++i)
pglist[i] = virt_to_page(pages[i]);
- }
buf->base = vmap(pglist, nr_pages, VM_MAP, PAGE_KERNEL);
if (!buf->base)
diff --git a/drivers/perf/hisilicon/Makefile b/drivers/perf/hisilicon/Makefile
index 2621d51ae87a..c3a96ec2bf66 100644
--- a/drivers/perf/hisilicon/Makefile
+++ b/drivers/perf/hisilicon/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_HISI_PMU) += hisi_uncore_pmu.o hisi_uncore_l3c_pmu.o hisi_uncore_hha_pmu.o hisi_uncore_ddrc_pmu.o
diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 27574e85f351..3259e2ebeb39 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -1,22 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* APM X-Gene SoC PMU (Performance Monitor Unit)
*
* Copyright (c) 2016, Applied Micro Circuits Corporation
* Author: Hoan Tran <hotran@apm.com>
* Tai Nguyen <ttnguyen@apm.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/acpi.h>