Commit-ID:  b3df4ec4424f27e55d754cfe586195fecca1c4e4
Gitweb:     http://git.kernel.org/tip/b3df4ec4424f27e55d754cfe586195fecca1c4e4
Author:     Thomas Gleixner <[email protected]>
AuthorDate: Tue, 19 May 2015 00:00:51 +0000
Committer:  Ingo Molnar <[email protected]>
CommitDate: Wed, 27 May 2015 09:17:39 +0200

perf/x86/intel/cqm: Use proper data types

'int' is really not a proper data type for an MSR. Use u32 to make it
clear that we are dealing with a 32-bit unsigned hardware value.

Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Acked-by: Matt Fleming <[email protected]>
Cc: Kanaka Juvva <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Vikas Shivappa <[email protected]>
Cc: Will Auld <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
---
 arch/x86/kernel/cpu/perf_event_intel_cqm.c | 4 ++--
 include/linux/perf_event.h                 | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_cqm.c 
b/arch/x86/kernel/cpu/perf_event_intel_cqm.c
index 572582e..3e9a7fb 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_cqm.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_cqm.c
@@ -18,7 +18,7 @@ static unsigned int cqm_l3_scale; /* supposedly cacheline 
size */
 
 struct intel_cqm_state {
        raw_spinlock_t          lock;
-       int                     rmid;
+       u32                     rmid;
        int                     cnt;
 };
 
@@ -962,7 +962,7 @@ out:
 static void intel_cqm_event_start(struct perf_event *event, int mode)
 {
        struct intel_cqm_state *state = this_cpu_ptr(&cqm_state);
-       unsigned int rmid = event->hw.cqm_rmid;
+       u32 rmid = event->hw.cqm_rmid;
        unsigned long flags;
 
        if (!(event->hw.cqm_state & PERF_HES_STOPPED))
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 248f782..0658002 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -120,7 +120,7 @@ struct hw_perf_event {
                };
                struct { /* intel_cqm */
                        int                     cqm_state;
-                       int                     cqm_rmid;
+                       u32                     cqm_rmid;
                        struct list_head        cqm_events_entry;
                        struct list_head        cqm_groups_entry;
                        struct list_head        cqm_group_entry;
--
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