[PATCH] x86/events/amd/iommu: make iommu_pmu const and __initconst

[PATCH] x86/events/amd/iommu: make iommu_pmu const and __initconst

[Bhumika Goyal]

Make this const as it is only used during a copy operation. Also, make
it __initconst as it is only used during the init phase and after this
it is not referenced anywhere.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
---
 arch/x86/events/amd/iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c
index 3641e24..38b5d41 100644
--- a/arch/x86/events/amd/iommu.c
+++ b/arch/x86/events/amd/iommu.c
@@ -405,7 +405,7 @@ static __init int _init_events_attrs(void)
 	NULL,
 };
 
-static struct pmu iommu_pmu = {
+static const struct pmu iommu_pmu __initconst = {
 	.event_init	= perf_iommu_event_init,
 	.add		= perf_iommu_add,
 	.del		= perf_iommu_del,
-- 
1.9.1

[tip:x86/cleanups] x86/events/amd/iommu: Make iommu_pmu const and __initconst

[tip-bot for Bhumika Goyal]

Commit-ID:  642e641cbea57e559720b9df09889ffcf525cf04
Gitweb:     https://git.kernel.org/tip/642e641cbea57e559720b9df09889ffcf525cf04
Author:     Bhumika Goyal <bhumirks@gmail.com>
AuthorDate: Tue, 19 Sep 2017 16:40:43 +0530
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 19 Oct 2017 16:15:47 +0200

x86/events/amd/iommu: Make iommu_pmu const and __initconst

iommu_pmu is only used as source for a copy operation in the init code
path.

Mark it const and __initconst.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: julia.lawall@lip6.fr
Link: https://lkml.kernel.org/r/1505819443-670-1-git-send-email-bhumirks@gmail.com

---
 arch/x86/events/amd/iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c
index 3641e24..38b5d41 100644
--- a/arch/x86/events/amd/iommu.c
+++ b/arch/x86/events/amd/iommu.c
@@ -405,7 +405,7 @@ const struct attribute_group *amd_iommu_attr_groups[] = {
 	NULL,
 };
 
-static struct pmu iommu_pmu = {
+static const struct pmu iommu_pmu __initconst = {
 	.event_init	= perf_iommu_event_init,
 	.add		= perf_iommu_add,
 	.del		= perf_iommu_del,