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drivers/perf: riscv: Remove redundant macro check
The macro CONFIG_RISCV_PMU must have been defined when riscv_pmu.c gets compiled, so this patch removes the redundant check. Signed-off-by: Xiao Wang <xiao.w.wang@intel.com> Reviewed-by: Atish Patra <atishp@rivosinc.com> Link: https://lore.kernel.org/r/20240708121224.1148154-1-xiao.w.wang@intel.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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@ -39,7 +39,6 @@ void arch_perf_update_userpage(struct perf_event *event,
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userpg->cap_user_time_short = 0;
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userpg->cap_user_rdpmc = riscv_perf_user_access(event);
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#ifdef CONFIG_RISCV_PMU
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/*
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* The counters are 64-bit but the priv spec doesn't mandate all the
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* bits to be implemented: that's why, counter width can vary based on
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@ -47,7 +46,6 @@ void arch_perf_update_userpage(struct perf_event *event,
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*/
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if (userpg->cap_user_rdpmc)
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userpg->pmc_width = to_riscv_pmu(event->pmu)->ctr_get_width(event->hw.idx) + 1;
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#endif
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do {
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rd = sched_clock_read_begin(&seq);
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