perf/x86: Remove unused variable in nhmex_rbox_alter_er()

The variable port is initialized but never used
otherwise, so remove the unused variable.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: Yan, Zheng <zheng.z.yan@intel.com>
Cc: a.p.zijlstra@chello.nl
Cc: paulus@samba.org
Cc: acme@ghostprotocols.net
Link: http://lkml.kernel.org/r/CAPgLHd8NZkYSkZm22FpZxiEh6HcA0q-V%3D29vdnheiDhgrJZ%2Byw@mail.gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 6f874771ee659fea16e79a6036fff92d158190a9..3cf3d97cce3a7ab0b02c678f2535dc5ec03d09bb 100644 (file)
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -1558,7 +1558,6 @@ void nhmex_rbox_alter_er(struct intel_uncore_box *box, struct perf_event *event)
 {
        struct hw_perf_event *hwc = &event->hw;
        struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
-       int port;
 
        /* adjust the main event selector and extra register index */
        if (reg1->idx % 2) {
@@ -1570,7 +1569,6 @@ void nhmex_rbox_alter_er(struct intel_uncore_box *box, struct perf_event *event)
        }
 
        /* adjust extra register config */
-       port = reg1->idx / 6 + box->pmu->pmu_idx * 4;
        switch (reg1->idx % 6) {
        case 2:
                /* shift the 8~15 bits to the 0~7 bits */