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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 1/5] powerpc/xive: simplify xive_spapr_debug_show() Date: Tue, 3 Mar 2026 15:08:37 -0500 Message-ID: <20260303200842.124996-2-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: 8bit Content-Type: text/plain X-ClientProxiedBy: BN1PR10CA0012.namprd10.prod.outlook.com (2603:10b6:408:e0::17) To PH0PR12MB8800.namprd12.prod.outlook.com (2603:10b6:510:26f::12) Precedence: bulk X-Mailing-List: linux-pm@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: 1ab6d317-6d60-402a-66d2-08de7960addd 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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Drop it and print the list by seq_printf() directly with the "%*pbl" specifier. Reviewed-by: Shrikanth Hegde Signed-off-by: Yury Norov --- 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/spapr.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 = kmalloc(PAGE_SIZE, GFP_KERNEL); - 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->bitmap); return 0; } -- 2.43.0