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charset="utf-8" The driver uses bitmap_print_to_pagebuf() to store human-readable bitmaps representations in a temporary buffers; and then feed seq_printf() with it. Switch to using seq_printf("%*pb") directly and drop intermediate buffer. Signed-off-by: Yury Norov Reviewed-by: Simon Horman --- .../marvell/octeontx2/af/rvu_debugfs.c | 28 ++++--------------- 1 file changed, 5 insertions(+), 23 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/driv= ers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c index 15d3cb0b9da6..9e5a85998ccc 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c @@ -960,30 +960,21 @@ static bool rvu_dbg_is_valid_lf(struct rvu *rvu, int = blkaddr, int lf, =20 static void print_npa_qsize(struct seq_file *m, struct rvu_pfvf *pfvf) { - char *buf; - - buf =3D kmalloc(PAGE_SIZE, GFP_KERNEL); - if (!buf) - return; - if (!pfvf->aura_ctx) { seq_puts(m, "Aura context is not initialized\n"); } else { - bitmap_print_to_pagebuf(false, buf, pfvf->aura_bmap, - pfvf->aura_ctx->qsize); seq_printf(m, "Aura count : %d\n", pfvf->aura_ctx->qsize); - seq_printf(m, "Aura context ena/dis bitmap : %s\n", buf); + seq_printf(m, "Aura context ena/dis bitmap : %*pb\n", + pfvf->aura_ctx->qsize, pfvf->aura_bmap); } =20 if (!pfvf->pool_ctx) { seq_puts(m, "Pool context is not initialized\n"); } else { - bitmap_print_to_pagebuf(false, buf, pfvf->pool_bmap, - pfvf->pool_ctx->qsize); seq_printf(m, "Pool count : %d\n", pfvf->pool_ctx->qsize); - seq_printf(m, "Pool context ena/dis bitmap : %s\n", buf); + seq_printf(m, "Pool context ena/dis bitmap : %*pb\n", + pfvf->pool_ctx->qsize, pfvf->pool_bmap); } - kfree(buf); } =20 /* The 'qsize' entry dumps current Aura/Pool context Qsize @@ -2545,17 +2536,8 @@ RVU_DEBUG_SEQ_FOPS(nix_cq_ctx, nix_cq_ctx_display, n= ix_cq_ctx_write); static void print_nix_qctx_qsize(struct seq_file *filp, int qsize, unsigned long *bmap, char *qtype) { - char *buf; - - buf =3D kmalloc(PAGE_SIZE, GFP_KERNEL); - if (!buf) - return; - - bitmap_print_to_pagebuf(false, buf, bmap, qsize); seq_printf(filp, "%s context count : %d\n", qtype, qsize); - seq_printf(filp, "%s context ena/dis bitmap : %s\n", - qtype, buf); - kfree(buf); + seq_printf(filp, "%s context ena/dis bitmap : %*pb\n", qtype, qsize, bmap= ); 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Miller" , Eric Dumazet , Andrew Lunn , Simon Horman , Sunil Goutham , Linu Cherian , Geetha sowjanya , Jerin Jacob , Subbaraya Sundeep , Stanislav Fomichev , Kuniyuki Iwashima , Christian Brauner , Yajun Deng , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Yury Norov , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , Yury Norov Subject: [PATCH 2/2] net-sysfs: switch xps_queue_show() to sysfs_emit() Date: Thu, 19 Mar 2026 16:17:11 -0400 Message-ID: <20260319201713.941956-3-ynorov@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260319201713.941956-1-ynorov@nvidia.com> References: <20260319201713.941956-1-ynorov@nvidia.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: BN0PR02CA0033.namprd02.prod.outlook.com (2603:10b6:408:e5::8) 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_|DS5PPFFF21E27DC:EE_ X-MS-Office365-Filtering-Correlation-Id: 9d5a6bc6-c46f-4cca-da59-08de85f485f3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|10070799003|376014|366016|7416014|1800799024|921020|22082099003|56012099003|18002099003; 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Suggested-by: Thomas Wei=C3=9Fschuh Reviewed-by: Thomas Wei=C3=9Fschuh Signed-off-by: Yury Norov Reviewed-by: Simon Horman --- net/core/net-sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 07624b682b08..a260f8b4d5c6 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -1754,7 +1754,7 @@ static ssize_t xps_queue_show(struct net_device *dev,= unsigned int index, out_no_maps: rcu_read_unlock(); =20 - len =3D bitmap_print_to_pagebuf(false, buf, mask, nr_ids); + len =3D sysfs_emit(buf, "%*pb\n", nr_ids, mask); bitmap_free(mask); =20 return len < PAGE_SIZE ? len : -EINVAL; --=20 2.43.0