From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B7C82C44509 for ; Thu, 9 Jul 2026 08:53:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=kkl9nx5Ma7mfFBEnbOA9d8xUgFxY3S7P0dArYJd1HgA=; b=qtnyTAGQoVFW+6 eUh2B4jcnm47SkasNOzdNCWrNoyGnU1S8OihXIajUqwJoAr58oDwhadhXeivhkstd2MJmOWrRbh/V qYkO1iKTgi8vLr2Zyg0ydvVQrZEA5oKLdOHEVueEgvH/3APFd0L0iOYESXXw5ZghEUMtll9rFMvuJ LJ1HGrAYskp39m1tVSAQEFixyn+5uNIDa44bnB9fzcDIqSs98a9bg4LrbIweSAjnOMrOJs4yi1C4T BOcoZ40vwlj8zTRaIkt0WW1bi62oS5zhkvlPYYCh39nyJBaYZMfIpPqUmTytPFC5RVTnc9W4FEps6 tRWtSy0PqTlrik0E/1NA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1whkVP-00000001aaW-0ToD; Thu, 09 Jul 2026 08:53:15 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wSv21-00000007F6F-2Tg5; Fri, 29 May 2026 11:05:39 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0C4E22103; Fri, 29 May 2026 04:05:28 -0700 (PDT) Received: from [10.57.37.50] (unknown [10.57.37.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0CFF63F905; Fri, 29 May 2026 04:05:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1780052733; bh=d3TvFloVjXp7jxtda0yZHPpM1vpYD1QTXYtlqXtjvGU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=DAsJR0DwEuqwrcbbAhQKfEWRfrKoVIciblB1nygN1dpzf9G6PnfvRYPm32njy+OP1 +a4/D5U4oWBimNcRm+3LXT04e1uGl1FV74M8e3WB+jGsZ/rAkFQC+ccIpiHHWZECuv eOISYfG5dhloA3ifmavJkgdFGKk8EOTtAHiafsYs= Message-ID: <7e980b99-1e4e-408b-8ebd-4d28116e7ad5@arm.com> Date: Fri, 29 May 2026 12:05:08 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 13/16] perf: Use sysfs_emit() for cpumask show callbacks To: Yury Norov , Andrew Morton , Rasmus Villemoes Cc: Russell King , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Thomas Gleixner , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , "Rafael J. Wysocki" , Len Brown , Greg Kroah-Hartman , Danilo Krummrich , Chanwoo Choi , MyungJoo Ham , Kyungmin Park , Heiko Stuebner , Lorenzo Pieralisi , Xu Yilun , Tom Rix , Moritz Fischer , Yicong Yang , Jonathan Cameron , Dennis Dalessandro , Jason Gunthorpe , Leon Romanovsky , Dan Williams , Vishal Verma , Dave Jiang , Ira Weiny , Bjorn Helgaas , Shuai Xue , Will Deacon , Jiucheng Xu , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Jing Zhang , Xu Yang , Linu Cherian , Gowthami Thiagarajan , Ji Sheng Teoh , Khuong Dinh , Daniel Lezcano , Zhang Rui , Lukasz Luba , Yury Norov , Kees Cook , =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Aboorva Devarajan , "Ritesh Harjani (IBM)" , Ilkka Koskinen , Besar Wicaksono , Ma Ke , Chengwen Feng , linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-perf-users@vger.kernel.org, linux-acpi@vger.kernel.org, driver-core@lists.linux.dev, linux-pm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-fpga@vger.kernel.org, linux-rdma@vger.kernel.org, nvdimm@lists.linux.dev, linux-pci@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-cxl@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20260528183625.870813-1-ynorov@nvidia.com> <20260528183625.870813-14-ynorov@nvidia.com> From: Robin Murphy Content-Language: en-GB In-Reply-To: <20260528183625.870813-14-ynorov@nvidia.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260529_040537_823838_6B5ED644 X-CRM114-Status: GOOD ( 20.21 ) X-Mailman-Approved-At: Thu, 09 Jul 2026 01:48:24 -0700 X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On 2026-05-28 7:36 pm, Yury Norov wrote: > These callbacks are sysfs show paths. > > Use sysfs_emit() and cpumask_pr_args() to emit the masks. > > This prepares for removing cpumap_print_to_pagebuf(). TBH, looking at this diff I think it only shows the value of having a helper to abstract the boilerplate... I'm not sure I agree with the argument of removing something entirely just because it may occasionally be misused, but could we at least have something like: #define sysfs_emit_cpumask(buf, mask) \ sysfs_emit((buf), "%*pbl\n", cpumask_pr_args(mask)) to save the mess in all the many places where the current cpumap_print_to_pagebuf() usage _is_ entirely appropriate? Thansk, Robin. > Signed-off-by: Yury Norov > --- > drivers/perf/alibaba_uncore_drw_pmu.c | 2 +- > drivers/perf/amlogic/meson_ddr_pmu_core.c | 2 +- > drivers/perf/arm-cci.c | 2 +- > drivers/perf/arm-ccn.c | 2 +- > drivers/perf/arm-cmn.c | 2 +- > drivers/perf/arm-ni.c | 2 +- > drivers/perf/arm_cspmu/arm_cspmu.c | 2 +- > drivers/perf/arm_dmc620_pmu.c | 4 ++-- > drivers/perf/arm_dsu_pmu.c | 2 +- > drivers/perf/arm_pmu.c | 2 +- > drivers/perf/arm_smmuv3_pmu.c | 2 +- > drivers/perf/arm_spe_pmu.c | 2 +- > drivers/perf/cxl_pmu.c | 2 +- > drivers/perf/dwc_pcie_pmu.c | 2 +- > drivers/perf/fsl_imx8_ddr_perf.c | 2 +- > drivers/perf/fsl_imx9_ddr_perf.c | 2 +- > drivers/perf/fujitsu_uncore_pmu.c | 2 +- > drivers/perf/hisilicon/hisi_pcie_pmu.c | 2 +- > drivers/perf/hisilicon/hisi_uncore_pmu.c | 2 +- > drivers/perf/marvell_cn10k_ddr_pmu.c | 2 +- > drivers/perf/marvell_cn10k_tad_pmu.c | 2 +- > drivers/perf/marvell_pem_pmu.c | 2 +- > drivers/perf/nvidia_t410_c2c_pmu.c | 2 +- > drivers/perf/nvidia_t410_cmem_latency_pmu.c | 2 +- > drivers/perf/qcom_l2_pmu.c | 2 +- > drivers/perf/qcom_l3_pmu.c | 2 +- > drivers/perf/starfive_starlink_pmu.c | 2 +- > drivers/perf/thunderx2_pmu.c | 2 +- > drivers/perf/xgene_pmu.c | 2 +- > kernel/events/core.c | 2 +- > 30 files changed, 31 insertions(+), 31 deletions(-) > > diff --git a/drivers/perf/alibaba_uncore_drw_pmu.c b/drivers/perf/alibaba_uncore_drw_pmu.c > index ac49d3b2dad6..74786a5dd6a2 100644 > --- a/drivers/perf/alibaba_uncore_drw_pmu.c > +++ b/drivers/perf/alibaba_uncore_drw_pmu.c > @@ -221,7 +221,7 @@ static ssize_t ali_drw_pmu_cpumask_show(struct device *dev, > { > struct ali_drw_pmu *drw_pmu = to_ali_drw_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(drw_pmu->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(drw_pmu->cpu))); > } > > static struct device_attribute ali_drw_pmu_cpumask_attr = > diff --git a/drivers/perf/amlogic/meson_ddr_pmu_core.c b/drivers/perf/amlogic/meson_ddr_pmu_core.c > index c1e755c356a3..f614aa3434a5 100644 > --- a/drivers/perf/amlogic/meson_ddr_pmu_core.c > +++ b/drivers/perf/amlogic/meson_ddr_pmu_core.c > @@ -191,7 +191,7 @@ static ssize_t meson_ddr_perf_cpumask_show(struct device *dev, > { > struct ddr_pmu *pmu = dev_get_drvdata(dev); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(pmu->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(pmu->cpu))); > } > > static struct device_attribute meson_ddr_perf_cpumask_attr = > diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c > index 1cc3214d6b6d..f0ef0a679e74 100644 > --- a/drivers/perf/arm-cci.c > +++ b/drivers/perf/arm-cci.c > @@ -1351,7 +1351,7 @@ static ssize_t pmu_cpumask_attr_show(struct device *dev, > struct pmu *pmu = dev_get_drvdata(dev); > struct cci_pmu *cci_pmu = to_cci_pmu(pmu); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(cci_pmu->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(cci_pmu->cpu))); > } > > static struct device_attribute pmu_cpumask_attr = > diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c > index 8af3563fdf60..d5dcb4280434 100644 > --- a/drivers/perf/arm-ccn.c > +++ b/drivers/perf/arm-ccn.c > @@ -538,7 +538,7 @@ static ssize_t arm_ccn_pmu_cpumask_show(struct device *dev, > { > struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(ccn->dt.cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(ccn->dt.cpu))); > } > > static struct device_attribute arm_ccn_pmu_cpumask_attr = > diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c > index f5305c8fdca4..2187ba763b72 100644 > --- a/drivers/perf/arm-cmn.c > +++ b/drivers/perf/arm-cmn.c > @@ -1326,7 +1326,7 @@ static ssize_t arm_cmn_cpumask_show(struct device *dev, > { > struct arm_cmn *cmn = to_cmn(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(cmn->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(cmn->cpu))); > } > > static struct device_attribute arm_cmn_cpumask_attr = > diff --git a/drivers/perf/arm-ni.c b/drivers/perf/arm-ni.c > index 66858c65215d..03a1c6bf9223 100644 > --- a/drivers/perf/arm-ni.c > +++ b/drivers/perf/arm-ni.c > @@ -239,7 +239,7 @@ static ssize_t arm_ni_cpumask_show(struct device *dev, > { > struct arm_ni *ni = cd_to_ni(pmu_to_cd(dev_get_drvdata(dev))); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(ni->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(ni->cpu))); > } > > static struct device_attribute arm_ni_cpumask_attr = > diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c > index 80fb314d5135..e6292021f653 100644 > --- a/drivers/perf/arm_cspmu/arm_cspmu.c > +++ b/drivers/perf/arm_cspmu/arm_cspmu.c > @@ -305,7 +305,7 @@ static ssize_t arm_cspmu_cpumask_show(struct device *dev, > default: > return 0; > } > - return cpumap_print_to_pagebuf(true, buf, cpumask); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask)); > } > > static struct attribute *arm_cspmu_cpumask_attrs[] = { > diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c > index 4f6b196160f8..467147a05eec 100644 > --- a/drivers/perf/arm_dmc620_pmu.c > +++ b/drivers/perf/arm_dmc620_pmu.c > @@ -237,8 +237,8 @@ static ssize_t dmc620_pmu_cpumask_show(struct device *dev, > { > struct dmc620_pmu *dmc620_pmu = to_dmc620_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, > - cpumask_of(dmc620_pmu->irq->cpu)); > + return sysfs_emit(buf, "%*pbl\n", > + cpumask_pr_args(cpumask_of(dmc620_pmu->irq->cpu))); > } > > static struct device_attribute dmc620_pmu_cpumask_attr = > diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c > index 32b0dd7c693b..bcbd19e075a5 100644 > --- a/drivers/perf/arm_dsu_pmu.c > +++ b/drivers/perf/arm_dsu_pmu.c > @@ -157,7 +157,7 @@ static ssize_t dsu_pmu_cpumask_show(struct device *dev, > default: > return 0; > } > - return cpumap_print_to_pagebuf(true, buf, cpumask); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask)); > } > > static struct attribute *dsu_pmu_format_attrs[] = { > diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c > index 939bcbd433aa..51ab6cc52ca0 100644 > --- a/drivers/perf/arm_pmu.c > +++ b/drivers/perf/arm_pmu.c > @@ -570,7 +570,7 @@ static ssize_t cpus_show(struct device *dev, > struct device_attribute *attr, char *buf) > { > struct arm_pmu *armpmu = to_arm_pmu(dev_get_drvdata(dev)); > - return cpumap_print_to_pagebuf(true, buf, &armpmu->supported_cpus); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&armpmu->supported_cpus)); > } > > static DEVICE_ATTR_RO(cpus); > diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c > index 621f02a7f43b..8ce34e6bb82b 100644 > --- a/drivers/perf/arm_smmuv3_pmu.c > +++ b/drivers/perf/arm_smmuv3_pmu.c > @@ -537,7 +537,7 @@ static ssize_t smmu_pmu_cpumask_show(struct device *dev, > { > struct smmu_pmu *smmu_pmu = to_smmu_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(smmu_pmu->on_cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(smmu_pmu->on_cpu))); > } > > static struct device_attribute smmu_pmu_cpumask_attr = > diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c > index dbd0da111639..9f786fd48cdd 100644 > --- a/drivers/perf/arm_spe_pmu.c > +++ b/drivers/perf/arm_spe_pmu.c > @@ -343,7 +343,7 @@ static ssize_t cpumask_show(struct device *dev, > { > struct arm_spe_pmu *spe_pmu = dev_get_drvdata(dev); > > - return cpumap_print_to_pagebuf(true, buf, &spe_pmu->supported_cpus); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&spe_pmu->supported_cpus)); > } > static DEVICE_ATTR_RO(cpumask); > > diff --git a/drivers/perf/cxl_pmu.c b/drivers/perf/cxl_pmu.c > index 68a54d97d2a8..0735eb33f5f3 100644 > --- a/drivers/perf/cxl_pmu.c > +++ b/drivers/perf/cxl_pmu.c > @@ -493,7 +493,7 @@ static ssize_t cpumask_show(struct device *dev, struct device_attribute *attr, > { > struct cxl_pmu_info *info = dev_get_drvdata(dev); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(info->on_cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(info->on_cpu))); > } > static DEVICE_ATTR_RO(cpumask); > > diff --git a/drivers/perf/dwc_pcie_pmu.c b/drivers/perf/dwc_pcie_pmu.c > index 5385401fa9cf..291e776d6f6a 100644 > --- a/drivers/perf/dwc_pcie_pmu.c > +++ b/drivers/perf/dwc_pcie_pmu.c > @@ -117,7 +117,7 @@ static ssize_t cpumask_show(struct device *dev, > { > struct dwc_pcie_pmu *pcie_pmu = to_dwc_pcie_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(pcie_pmu->on_cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(pcie_pmu->on_cpu))); > } > static DEVICE_ATTR_RO(cpumask); > > diff --git a/drivers/perf/fsl_imx8_ddr_perf.c b/drivers/perf/fsl_imx8_ddr_perf.c > index bcdf5575d71c..3760ebe02674 100644 > --- a/drivers/perf/fsl_imx8_ddr_perf.c > +++ b/drivers/perf/fsl_imx8_ddr_perf.c > @@ -237,7 +237,7 @@ static ssize_t ddr_perf_cpumask_show(struct device *dev, > { > struct ddr_pmu *pmu = dev_get_drvdata(dev); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(pmu->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(pmu->cpu))); > } > > static struct device_attribute ddr_perf_cpumask_attr = > diff --git a/drivers/perf/fsl_imx9_ddr_perf.c b/drivers/perf/fsl_imx9_ddr_perf.c > index 7050b48c0467..6fee5eb5087a 100644 > --- a/drivers/perf/fsl_imx9_ddr_perf.c > +++ b/drivers/perf/fsl_imx9_ddr_perf.c > @@ -159,7 +159,7 @@ static ssize_t ddr_perf_cpumask_show(struct device *dev, > { > struct ddr_pmu *pmu = dev_get_drvdata(dev); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(pmu->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(pmu->cpu))); > } > > static struct device_attribute ddr_perf_cpumask_attr = > diff --git a/drivers/perf/fujitsu_uncore_pmu.c b/drivers/perf/fujitsu_uncore_pmu.c > index c3c6f56474ad..a07877632d53 100644 > --- a/drivers/perf/fujitsu_uncore_pmu.c > +++ b/drivers/perf/fujitsu_uncore_pmu.c > @@ -374,7 +374,7 @@ static ssize_t cpumask_show(struct device *dev, > { > struct uncore_pmu *uncorepmu = to_uncore_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(uncorepmu->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(uncorepmu->cpu))); > } > static DEVICE_ATTR_RO(cpumask); > > diff --git a/drivers/perf/hisilicon/hisi_pcie_pmu.c b/drivers/perf/hisilicon/hisi_pcie_pmu.c > index c5394d007b61..0f55d871c67e 100644 > --- a/drivers/perf/hisilicon/hisi_pcie_pmu.c > +++ b/drivers/perf/hisilicon/hisi_pcie_pmu.c > @@ -121,7 +121,7 @@ static ssize_t cpumask_show(struct device *dev, struct device_attribute *attr, c > { > struct hisi_pcie_pmu *pcie_pmu = to_pcie_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(pcie_pmu->on_cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(pcie_pmu->on_cpu))); > } > static DEVICE_ATTR_RO(cpumask); > > diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c > index de71dcf11653..0ff2fdf4b3e2 100644 > --- a/drivers/perf/hisilicon/hisi_uncore_pmu.c > +++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c > @@ -56,7 +56,7 @@ static ssize_t hisi_associated_cpus_sysfs_show(struct device *dev, > { > struct hisi_pmu *hisi_pmu = to_hisi_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, &hisi_pmu->associated_cpus); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&hisi_pmu->associated_cpus)); > } > static DEVICE_ATTR(associated_cpus, 0444, hisi_associated_cpus_sysfs_show, NULL); > > diff --git a/drivers/perf/marvell_cn10k_ddr_pmu.c b/drivers/perf/marvell_cn10k_ddr_pmu.c > index 72ac17efd846..8681e8715cb3 100644 > --- a/drivers/perf/marvell_cn10k_ddr_pmu.c > +++ b/drivers/perf/marvell_cn10k_ddr_pmu.c > @@ -364,7 +364,7 @@ static ssize_t cn10k_ddr_perf_cpumask_show(struct device *dev, > { > struct cn10k_ddr_pmu *pmu = dev_get_drvdata(dev); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(pmu->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(pmu->cpu))); > } > > static struct device_attribute cn10k_ddr_perf_cpumask_attr = > diff --git a/drivers/perf/marvell_cn10k_tad_pmu.c b/drivers/perf/marvell_cn10k_tad_pmu.c > index 51ccb0befa05..54909d0031b7 100644 > --- a/drivers/perf/marvell_cn10k_tad_pmu.c > +++ b/drivers/perf/marvell_cn10k_tad_pmu.c > @@ -258,7 +258,7 @@ static ssize_t tad_pmu_cpumask_show(struct device *dev, > { > struct tad_pmu *tad_pmu = to_tad_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(tad_pmu->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(tad_pmu->cpu))); > } > > static DEVICE_ATTR(cpumask, 0444, tad_pmu_cpumask_show, NULL); > diff --git a/drivers/perf/marvell_pem_pmu.c b/drivers/perf/marvell_pem_pmu.c > index 29fbcd1848e4..cf1d8cdb1318 100644 > --- a/drivers/perf/marvell_pem_pmu.c > +++ b/drivers/perf/marvell_pem_pmu.c > @@ -164,7 +164,7 @@ static ssize_t pem_perf_cpumask_show(struct device *dev, > { > struct pem_pmu *pmu = dev_get_drvdata(dev); > > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(pmu->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(pmu->cpu))); > } > > static struct device_attribute pem_perf_cpumask_attr = > diff --git a/drivers/perf/nvidia_t410_c2c_pmu.c b/drivers/perf/nvidia_t410_c2c_pmu.c > index 411987153ff3..bff875f4f625 100644 > --- a/drivers/perf/nvidia_t410_c2c_pmu.c > +++ b/drivers/perf/nvidia_t410_c2c_pmu.c > @@ -658,7 +658,7 @@ static ssize_t nv_c2c_pmu_cpumask_show(struct device *dev, > default: > return 0; > } > - return cpumap_print_to_pagebuf(true, buf, cpumask); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask)); > } > > #define NV_C2C_PMU_CPUMASK_ATTR(_name, _config) \ > diff --git a/drivers/perf/nvidia_t410_cmem_latency_pmu.c b/drivers/perf/nvidia_t410_cmem_latency_pmu.c > index acb8f5571522..6c8e41598ec1 100644 > --- a/drivers/perf/nvidia_t410_cmem_latency_pmu.c > +++ b/drivers/perf/nvidia_t410_cmem_latency_pmu.c > @@ -501,7 +501,7 @@ static ssize_t cmem_lat_pmu_cpumask_show(struct device *dev, > default: > return 0; > } > - return cpumap_print_to_pagebuf(true, buf, cpumask); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask)); > } > > #define NV_PMU_CPUMASK_ATTR(_name, _config) \ > diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c > index ea8c85729937..c0c522b10b72 100644 > --- a/drivers/perf/qcom_l2_pmu.c > +++ b/drivers/perf/qcom_l2_pmu.c > @@ -638,7 +638,7 @@ static ssize_t l2_cache_pmu_cpumask_show(struct device *dev, > { > struct l2cache_pmu *l2cache_pmu = to_l2cache_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, &l2cache_pmu->cpumask); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&l2cache_pmu->cpumask)); > } > > static struct device_attribute l2_cache_pmu_cpumask_attr = > diff --git a/drivers/perf/qcom_l3_pmu.c b/drivers/perf/qcom_l3_pmu.c > index 66e6cabd6fff..c8d259dd1f80 100644 > --- a/drivers/perf/qcom_l3_pmu.c > +++ b/drivers/perf/qcom_l3_pmu.c > @@ -663,7 +663,7 @@ static ssize_t cpumask_show(struct device *dev, > { > struct l3cache_pmu *l3pmu = to_l3cache_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, &l3pmu->cpumask); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&l3pmu->cpumask)); > } > > static DEVICE_ATTR_RO(cpumask); > diff --git a/drivers/perf/starfive_starlink_pmu.c b/drivers/perf/starfive_starlink_pmu.c > index 964897c2baa9..222a0a34e211 100644 > --- a/drivers/perf/starfive_starlink_pmu.c > +++ b/drivers/perf/starfive_starlink_pmu.c > @@ -131,7 +131,7 @@ cpumask_show(struct device *dev, struct device_attribute *attr, char *buf) > { > struct starlink_pmu *starlink_pmu = to_starlink_pmu(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, &starlink_pmu->cpumask); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&starlink_pmu->cpumask)); > } > > static DEVICE_ATTR_RO(cpumask); > diff --git a/drivers/perf/thunderx2_pmu.c b/drivers/perf/thunderx2_pmu.c > index 6ed4707bd6bb..a69c02d2d874 100644 > --- a/drivers/perf/thunderx2_pmu.c > +++ b/drivers/perf/thunderx2_pmu.c > @@ -254,7 +254,7 @@ static ssize_t cpumask_show(struct device *dev, struct device_attribute *attr, > struct tx2_uncore_pmu *tx2_pmu; > > tx2_pmu = pmu_to_tx2_pmu(dev_get_drvdata(dev)); > - return cpumap_print_to_pagebuf(true, buf, cpumask_of(tx2_pmu->cpu)); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(cpumask_of(tx2_pmu->cpu))); > } > static DEVICE_ATTR_RO(cpumask); > > diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c > index 33b5497bdc06..e9e4871db08d 100644 > --- a/drivers/perf/xgene_pmu.c > +++ b/drivers/perf/xgene_pmu.c > @@ -595,7 +595,7 @@ static ssize_t cpumask_show(struct device *dev, > { > struct xgene_pmu_dev *pmu_dev = to_pmu_dev(dev_get_drvdata(dev)); > > - return cpumap_print_to_pagebuf(true, buf, &pmu_dev->parent->cpu); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&pmu_dev->parent->cpu)); > } > > static DEVICE_ATTR_RO(cpumask); > diff --git a/kernel/events/core.c b/kernel/events/core.c > index 7935d5663944..61689d348abd 100644 > --- a/kernel/events/core.c > +++ b/kernel/events/core.c > @@ -12657,7 +12657,7 @@ static ssize_t cpumask_show(struct device *dev, struct device_attribute *attr, > struct cpumask *mask = perf_scope_cpumask(pmu->scope); > > if (mask) > - return cpumap_print_to_pagebuf(true, buf, mask); > + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(mask)); > return 0; > } > _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip