Re: [PATCH][next] perf: imx9_perf: make the read-only array mask static const
From: Frank Li <Frank.li@nxp.com>
Date: 2025-06-11 15:25:59
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imx, kernel-janitors, linux-perf-users, lkml
On Wed, Jun 11, 2025 at 02:39:17PM +0100, Colin Ian King wrote:
Don't populate the read-only array mask on the stack at run time, instead make it static const. Signed-off-by: Colin Ian King <redacted>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
quoted hunk ↗ jump to hunk
--- drivers/perf/fsl_imx9_ddr_perf.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)diff --git a/drivers/perf/fsl_imx9_ddr_perf.c b/drivers/perf/fsl_imx9_ddr_perf.c index 843f163e6c33..267754fdf581 100644 --- a/drivers/perf/fsl_imx9_ddr_perf.c +++ b/drivers/perf/fsl_imx9_ddr_perf.c@@ -461,9 +461,11 @@ static void imx93_ddr_perf_monitor_config(struct ddr_pmu *pmu, int event, int counter, int axi_id, int axi_mask) { u32 pmcfg1, pmcfg2; - u32 mask[] = { MX93_PMCFG1_RD_TRANS_FILT_EN, - MX93_PMCFG1_WR_TRANS_FILT_EN, - MX93_PMCFG1_RD_BT_FILT_EN }; + static const u32 mask[] = { + MX93_PMCFG1_RD_TRANS_FILT_EN, + MX93_PMCFG1_WR_TRANS_FILT_EN, + MX93_PMCFG1_RD_BT_FILT_EN + }; pmcfg1 = readl_relaxed(pmu->base + PMCFG1); --2.49.0