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GET /api/1.0/patches/2198466/?format=api
{ "id": 2198466, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2198466/?format=api", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.0/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/" }, "msgid": "<20260219181407.290201-2-ynorov@nvidia.com>", "date": "2026-02-19T18:13:53", "name": "[01/12] powerpc/xive: simplify xive_spapr_debug_show()", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "d6bd36b1a2603e0d4ab8645f15c4a28b59c058c2", "submitter": { "id": 92516, "url": "http://patchwork.ozlabs.org/api/1.0/people/92516/?format=api", "name": "Yury Norov", "email": "ynorov@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260219181407.290201-2-ynorov@nvidia.com/mbox/", "series": [ { "id": 492727, "url": "http://patchwork.ozlabs.org/api/1.0/series/492727/?format=api", "date": "2026-02-19T18:13:52", "name": "cleanup bitmaps printing in sysfs", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492727/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2198466/checks/", "tags": {}, "headers": { "Return-Path": "\n <linuxppc-dev+bounces-16961-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=pQM+TWIq;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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mx.microsoft.com 1; spf=pass\n smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com;\n dkim=pass header.d=nvidia.com; arc=none" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com;\n s=selector2;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=CxZHoCvUFEvKXE89GHy7RIyPqC6Llv2ihBtEsUX3bI0=;\n b=pQM+TWIq7IPkvCjJDmczw2OPtp9qVGcthcY20avttU+mjl5lgNnEuFwCNjQzw67UjfjcK8t+ISg4+R0pmQF7MWx9MLjLNFSy3pXZZXtCDNjcM7uEvUAQHMFKY57/TGcbvq+8ch9qbFfokqQz24lSQ31/MQ5eEEcwrokU3QemZhIgGbvZfxCJygRWPqfGmbjZzp0LZ/sxF49IVuJjZJvMpG2v1S5ujT4tampMJ0N7RMejIpGRG58RXtyyb1RDeoE00SxDswM6+zO+/FwhJR/+C+FdCoA8Vecn1K+adbBb8KoMs+T1+5BmNO84N89tMGfjFhYODkjgzw/7dy66CxzStQ==", "From": "Yury Norov <ynorov@nvidia.com>", "To": "linux-kernel@vger.kernel.org,\n\t\"Christophe Leroy (CS GROUP)\" <chleroy@kernel.org>,\n\t\"David S. Miller\" <davem@davemloft.net>,\n\t\"Peter Zijlstra (Intel)\" <peterz@infradead.org>,\n\t\"Rafael J. Wysocki\" <rafael@kernel.org>,\n\tAlexander Shishkin <alexander.shishkin@linux.intel.com>,\n\tAndrew Lunn <andrew+netdev@lunn.ch>,\n\tAndrew Morton <akpm@linux-foundation.org>,\n\tAntoine Tenart <atenart@kernel.org>,\n\tChristian Brauner <brauner@kernel.org>,\n\tDaniel Lezcano <daniel.lezcano@linaro.org>,\n\tEric Dumazet <edumazet@google.com>,\n\tGeetha sowjanya <gakula@marvell.com>,\n\tIngo Molnar <mingo@kernel.org>,\n\tJakub Kicinski <kuba@kernel.org>,\n\tJames Clark <james.clark@linaro.org>,\n\tJerin Jacob <jerinj@marvell.com>,\n\tLinu Cherian <lcherian@marvell.com>,\n\tLukasz Luba <lukasz.luba@arm.com>,\n\tMadhavan Srinivasan <maddy@linux.ibm.com>,\n\tMichael Ellerman <mpe@ellerman.id.au>,\n\tMike Leach <mike.leach@linaro.org>,\n\tMoritz Fischer <mdf@kernel.org>,\n\tNicholas Piggin <npiggin@gmail.com>,\n\tPaolo Abeni <pabeni@redhat.com>,\n\tRasmus Villemoes <linux@rasmusvillemoes.dk>,\n\tSimon Horman <horms@kernel.org>,\n\tStanislav Fomichev <sdf@fomichev.me>,\n\tSubbaraya Sundeep <sbhatta@marvell.com>,\n\tSunil Goutham <sgoutham@marvell.com>,\n\tSuzuki K Poulose <suzuki.poulose@arm.com>,\n\tTom Rix <trix@redhat.com>,\n\tXu Yilun <yilun.xu@intel.com>,\n\tYajun Deng <yajun.deng@linux.dev>,\n\tYury Norov <yury.norov@gmail.com>,\n\tZhang Rui <rui.zhang@intel.com>,\n\thariprasad <hkelam@marvell.com>,\n\tcoresight@lists.linaro.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinux-fpga@vger.kernel.org,\n\tlinux-pm@vger.kernel.org,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tnetdev@vger.kernel.org", "Cc": "Yury Norov <ynorov@nvidia.com>", "Subject": "[PATCH 01/12] powerpc/xive: simplify xive_spapr_debug_show()", "Date": "Thu, 19 Feb 2026 13:13:53 -0500", "Message-ID": "<20260219181407.290201-2-ynorov@nvidia.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260219181407.290201-1-ynorov@nvidia.com>", "References": "<20260219181407.290201-1-ynorov@nvidia.com>", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": 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(2024-03-25) on lists.ozlabs.org" }, "content": "The function creates temporary buffer to convert xibm->bitmap to a\nhuman-readable list before passing it to seq_printf. Drop it and print\nthe list in seq_printf() directly with the \"%*pbl\" specifier.\n\nSigned-off-by: Yury Norov <ynorov@nvidia.com>\n---\n arch/powerpc/sysdev/xive/spapr.c | 12 ++----------\n 1 file changed, 2 insertions(+), 10 deletions(-)", "diff": "diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c\nindex 5aedbe3e8e6a..f818299579b1 100644\n--- a/arch/powerpc/sysdev/xive/spapr.c\n+++ b/arch/powerpc/sysdev/xive/spapr.c\n@@ -667,17 +667,9 @@ static void xive_spapr_sync_source(u32 hw_irq)\n static int xive_spapr_debug_show(struct seq_file *m, void *private)\n {\n \tstruct xive_irq_bitmap *xibm;\n-\tchar *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);\n \n-\tif (!buf)\n-\t\treturn -ENOMEM;\n-\n-\tlist_for_each_entry(xibm, &xive_irq_bitmaps, list) {\n-\t\tmemset(buf, 0, PAGE_SIZE);\n-\t\tbitmap_print_to_pagebuf(true, buf, xibm->bitmap, xibm->count);\n-\t\tseq_printf(m, \"bitmap #%d: %s\", xibm->count, buf);\n-\t}\n-\tkfree(buf);\n+\tlist_for_each_entry(xibm, &xive_irq_bitmaps, list)\n+\t\tseq_printf(m, \"bitmap #%d: %*pbl\\n\", xibm->count, xibm->count, xibm->bitmap);\n \n \treturn 0;\n }\n", "prefixes": [ "01/12" ] }