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charset="utf-8" The function creates temporary buffer to convert xibm->bitmap to a human-readable list before passing it to seq_printf. Drop it and print the list by seq_printf() directly with the "%*pbl" specifier. Reviewed-by: Shrikanth Hegde Signed-off-by: Yury Norov Acked-by: Madhavan Srinivasan for powerpc patch --- arch/powerpc/sysdev/xive/spapr.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/sp= apr.c index 61f8a8acf81f..fdf52c78ac02 100644 --- a/arch/powerpc/sysdev/xive/spapr.c +++ b/arch/powerpc/sysdev/xive/spapr.c @@ -667,17 +667,9 @@ static void xive_spapr_sync_source(u32 hw_irq) static int xive_spapr_debug_show(struct seq_file *m, void *private) { struct xive_irq_bitmap *xibm; - char *buf =3D kmalloc(PAGE_SIZE, GFP_KERNEL); =20 - if (!buf) - return -ENOMEM; - - list_for_each_entry(xibm, &xive_irq_bitmaps, list) { - memset(buf, 0, PAGE_SIZE); - bitmap_print_to_pagebuf(true, buf, xibm->bitmap, xibm->count); - seq_printf(m, "bitmap #%d: %s", xibm->count, buf); - } - kfree(buf); + list_for_each_entry(xibm, &xive_irq_bitmaps, list) + seq_printf(m, "bitmap #%d: %*pbl\n", xibm->count, xibm->count, xibm->bit= map); 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Wysocki" , Alexander Shishkin , Daniel Lezcano , Ingo Molnar , James Clark , Kees Cook , Lukasz Luba , Madhavan Srinivasan , Michael Ellerman , Mike Leach , Moritz Fischer , Nicholas Piggin , Russ Weight , Shrikanth Hegde , Suki K Poulose , Tom Rix , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , Xu Yilun , Yury Norov , Zhang Rui , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-fpga@vger.kernel.org, linux-pm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Yury Norov Cc: Jakub Kicinski Subject: [PATCH 2/5] thermal: intel: switch cpumask_get() to using cpumask_print_to_pagebuf() Date: Tue, 3 Mar 2026 15:08:38 -0500 Message-ID: <20260303200842.124996-3-ynorov@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260303200842.124996-1-ynorov@nvidia.com> References: <20260303200842.124996-1-ynorov@nvidia.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: BN0PR03CA0017.namprd03.prod.outlook.com (2603:10b6:408:e6::22) To PH0PR12MB8800.namprd12.prod.outlook.com (2603:10b6:510:26f::12) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR12MB8800:EE_|CH1PR12MB9574:EE_ X-MS-Office365-Filtering-Correlation-Id: 25863316-a59f-4fc1-b004-08de7960aefd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|7416014|10070799003|376014|921020; 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charset="utf-8" The function opencodes cpumask_print_to_pagebuf() with more generic bitmap_print_to_pagebuf(). Switch to using the proper API. Signed-off-by: Yury Norov Acked-by: Madhavan Srinivasan for powerpc patch --- drivers/thermal/intel/intel_powerclamp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/int= el/intel_powerclamp.c index 9a4cec000910..ccf380da12f2 100644 --- a/drivers/thermal/intel/intel_powerclamp.c +++ b/drivers/thermal/intel/intel_powerclamp.c @@ -200,8 +200,7 @@ static int cpumask_get(char *buf, const struct kernel_p= aram *kp) if (!cpumask_available(idle_injection_cpu_mask)) return -ENODEV; =20 - return bitmap_print_to_pagebuf(false, buf, cpumask_bits(idle_injection_cp= u_mask), - nr_cpumask_bits); + return cpumap_print_to_pagebuf(false, buf, idle_injection_cpu_mask); } =20 static const struct kernel_param_ops cpumask_ops =3D { --=20 2.43.0 From nobody Thu Apr 9 18:03:28 2026 Received: from CO1PR03CU002.outbound.protection.outlook.com (mail-westus2azon11010066.outbound.protection.outlook.com [52.101.46.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5572139098C; 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Suggested-by: Thomas Wei=C3=9Fschuh Signed-off-by: Yury Norov Acked-by: Madhavan Srinivasan for powerpc patch --- .../hwtracing/coresight/coresight-cti-sysfs.c | 32 ++++++++----------- 1 file changed, 14 insertions(+), 18 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-cti-sysfs.c b/drivers/hw= tracing/coresight/coresight-cti-sysfs.c index 572b80ee96fb..26ec0d8ed181 100644 --- a/drivers/hwtracing/coresight/coresight-cti-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-cti-sysfs.c @@ -606,14 +606,11 @@ static ssize_t chan_gate_enable_show(struct device *d= ev, struct cti_drvdata *drvdata =3D dev_get_drvdata(dev->parent); struct cti_config *cfg =3D &drvdata->config; unsigned long ctigate_bitmask =3D cfg->ctigate; - int size =3D 0; =20 if (cfg->ctigate =3D=3D 0) - size =3D sprintf(buf, "\n"); - else - size =3D bitmap_print_to_pagebuf(true, buf, &ctigate_bitmask, - cfg->nr_ctm_channels); - return size; + return sprintf(buf, "\n"); + + return sysfs_emit(buf, "%*pbl\n", cfg->nr_ctm_channels, &ctigate_bitmask); } static DEVICE_ATTR_RW(chan_gate_enable); =20 @@ -710,12 +707,13 @@ static ssize_t trigout_filtered_show(struct device *d= ev, { struct cti_drvdata *drvdata =3D dev_get_drvdata(dev->parent); struct cti_config *cfg =3D &drvdata->config; - int size =3D 0, nr_trig_max =3D cfg->nr_trig_max; + int nr_trig_max =3D cfg->nr_trig_max; unsigned long mask =3D cfg->trig_out_filter; =20 - if (mask) - size =3D bitmap_print_to_pagebuf(true, buf, &mask, nr_trig_max); - return size; + if (mask =3D=3D 0) + return 0; + + return sysfs_emit(buf, "%*pbl\n", nr_trig_max, &mask); } static DEVICE_ATTR_RO(trigout_filtered); =20 @@ -834,7 +832,7 @@ static ssize_t print_chan_list(struct device *dev, { struct cti_drvdata *drvdata =3D dev_get_drvdata(dev->parent); struct cti_config *config =3D &drvdata->config; - int size, i; + int i; unsigned long inuse_bits =3D 0, chan_mask; =20 /* scan regs to get bitmap of channels in use. */ @@ -852,11 +850,9 @@ static ssize_t print_chan_list(struct device *dev, /* list of channels, or 'none' */ chan_mask =3D GENMASK(config->nr_ctm_channels - 1, 0); if (inuse_bits & chan_mask) - size =3D bitmap_print_to_pagebuf(true, buf, &inuse_bits, - config->nr_ctm_channels); - else - size =3D sprintf(buf, "\n"); - return size; + return sysfs_emit(buf, "%*pbl\n", config->nr_ctm_channels, &inuse_bits); + + return sprintf(buf, "\n"); } =20 static ssize_t chan_inuse_show(struct device *dev, @@ -928,7 +924,7 @@ static ssize_t trigin_sig_show(struct device *dev, struct cti_config *cfg =3D &drvdata->config; unsigned long mask =3D con->con_in->used_mask; =20 - return bitmap_print_to_pagebuf(true, buf, &mask, cfg->nr_trig_max); + return sysfs_emit(buf, "%*pbl\n", cfg->nr_trig_max, &mask); } =20 static ssize_t trigout_sig_show(struct device *dev, @@ -942,7 +938,7 @@ static ssize_t trigout_sig_show(struct device *dev, struct cti_config *cfg =3D &drvdata->config; unsigned long mask =3D con->con_out->used_mask; =20 - return bitmap_print_to_pagebuf(true, buf, &mask, cfg->nr_trig_max); + return sysfs_emit(buf, "%*pbl\n", cfg->nr_trig_max, &mask); } =20 /* convert a sig type id to a name */ --=20 2.43.0 From nobody Thu Apr 9 18:03:28 2026 Received: from CO1PR03CU002.outbound.protection.outlook.com (mail-westus2azon11010066.outbound.protection.outlook.com [52.101.46.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D42D83B3BEC; 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charset="utf-8" The function uses temporary buffer to convert primes bitmap into human readable format. Switch to using kunit_info("%*pbl")", and drop the buffer. Signed-off-by: Yury Norov Acked-by: Madhavan Srinivasan for powerpc patch --- lib/math/tests/prime_numbers_kunit.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/lib/math/tests/prime_numbers_kunit.c b/lib/math/tests/prime_nu= mbers_kunit.c index 2f1643208c66..55ac160c6dfa 100644 --- a/lib/math/tests/prime_numbers_kunit.c +++ b/lib/math/tests/prime_numbers_kunit.c @@ -8,12 +8,10 @@ =20 static void dump_primes(void *ctx, const struct primes *p) { - static char buf[PAGE_SIZE]; struct kunit_suite *suite =3D ctx; =20 - bitmap_print_to_pagebuf(true, buf, p->primes, p->sz); - kunit_info(suite, "primes.{last=3D%lu, .sz=3D%lu, .primes[]=3D...x%lx} = =3D %s", - p->last, p->sz, p->primes[BITS_TO_LONGS(p->sz) - 1], buf); + kunit_info(suite, "primes.{last=3D%lu, .sz=3D%lu, .primes[]=3D...x%lx} = =3D %*pbl", + p->last, p->sz, p->primes[BITS_TO_LONGS(p->sz) - 1], (int)p->sz, p->p= rimes); } =20 static void prime_numbers_test(struct kunit *test) --=20 2.43.0 From nobody Thu Apr 9 18:03:28 2026 Received: from CO1PR03CU002.outbound.protection.outlook.com (mail-westus2azon11010066.outbound.protection.outlook.com [52.101.46.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 337E839D6F5; 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Wysocki" , Alexander Shishkin , Daniel Lezcano , Ingo Molnar , James Clark , Kees Cook , Lukasz Luba , Madhavan Srinivasan , Michael Ellerman , Mike Leach , Moritz Fischer , Nicholas Piggin , Russ Weight , Shrikanth Hegde , Suki K Poulose , Tom Rix , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , Xu Yilun , Yury Norov , Zhang Rui , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-fpga@vger.kernel.org, linux-pm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: Yury Norov , Jakub Kicinski Subject: [PATCH 5/5] fpga: m10bmc-sec: switch show_canceled_csk() to using sysfs_emit() Date: Tue, 3 Mar 2026 15:08:41 -0500 Message-ID: <20260303200842.124996-6-ynorov@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260303200842.124996-1-ynorov@nvidia.com> References: <20260303200842.124996-1-ynorov@nvidia.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: BN9PR03CA0179.namprd03.prod.outlook.com (2603:10b6:408:f4::34) To PH0PR12MB8800.namprd12.prod.outlook.com (2603:10b6:510:26f::12) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR12MB8800:EE_|CH1PR12MB9574:EE_ X-MS-Office365-Filtering-Correlation-Id: 858e782d-c9f7-43eb-2f0f-08de7960b2d7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|7416014|10070799003|376014|921020; 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Reviewed-by: Russ Weight Suggested-by: Thomas Wei=C3=9Fschuh Signed-off-by: Yury Norov Acked-by: Madhavan Srinivasan for powerpc patch Reviewed-by: Xu Yilun --- drivers/fpga/intel-m10-bmc-sec-update.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/fpga/intel-m10-bmc-sec-update.c b/drivers/fpga/intel-m= 10-bmc-sec-update.c index 10f678b9ed36..ae364c6636eb 100644 --- a/drivers/fpga/intel-m10-bmc-sec-update.c +++ b/drivers/fpga/intel-m10-bmc-sec-update.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -183,7 +184,7 @@ show_canceled_csk(struct device *dev, u32 addr, char *b= uf) =20 bitmap_from_arr32(csk_map, csk32, CSK_BIT_LEN); bitmap_complement(csk_map, csk_map, CSK_BIT_LEN); - return bitmap_print_to_pagebuf(1, buf, csk_map, CSK_BIT_LEN); + return sysfs_emit(buf, "%*pbl\n", CSK_BIT_LEN, csk_map); } =20 #define DEVICE_ATTR_SEC_CSK_RO(_name) \ --=20 2.43.0