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GET /api/1.2/patches/2221854/?format=api
{ "id": 2221854, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2221854/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260410120318.253872322@kernel.org/", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/1.2/projects/8/?format=api", "name": "Linux ext4 filesystem development", "link_name": "linux-ext4", "list_id": "linux-ext4.vger.kernel.org", "list_email": "linux-ext4@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260410120318.253872322@kernel.org>", "list_archive_url": null, "date": "2026-04-10T12:19:16", "name": "[10/38] arcnet: Remove function timing code", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "dca83b82784e99b7550ec862290f0e06b3cf3725", "submitter": { "id": 92397, "url": "http://patchwork.ozlabs.org/api/1.2/people/92397/?format=api", "name": "Thomas Gleixner", "email": "tglx@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260410120318.253872322@kernel.org/mbox/", "series": [ { "id": 499451, "url": "http://patchwork.ozlabs.org/api/1.2/series/499451/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=499451", "date": "2026-04-10T12:18:27", "name": "treewide: Cleanup LATCH, CLOCK_TICK_RATE and get_cycles() [ab]use", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499451/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2221854/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221854/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <SRS0=K4il=CJ=vger.kernel.org=linux-ext4+bounces-15745-patchwork-incoming=ozlabs.org@ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-ext4@vger.kernel.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "patchwork-incoming@ozlabs.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=VM13lKS0;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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arc=none smtp.client-ip=10.30.226.201" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1775823559;\n\tbh=p4ul6fecafqSjuz/HWiW1SqReHpNi3SQC1heaf7AtH8=;\n\th=Date:From:To:Cc:Subject:References:From;\n\tb=VM13lKS0vi1Fampzs2SOJUSl5pFNtZPRrbRXrfYUkEg7syYn7CVko7c7egIdexCfj\n\t MaRLNlopnK85+N7I7i3OZHuHcMdHWNGNdlJV5bSYYI//COctIU1M1ukOOe7R86fGRN\n\t QQ/j+jjVi+CYY1R1j+UlDL84K4FAOhCbq1OrkH36o+f5XviRftg90dsfUTYhZvjNV5\n\t hk3/t6EuYClXGdWJA1CVm0r4gv7+Uuy+bWtd/uVuLx4/iO4+bV/Z+fKbXLcG7tmKkB\n\t b/7xC9trAvx6oz1zNsW6Ny9Eav33gyvB9AokHXFATxUfQATArxGnp5TkYcwejIeG8o\n\t hkZquPfDoH+3g==", "Date": "Fri, 10 Apr 2026 14:19:16 +0200", "Message-ID": "<20260410120318.253872322@kernel.org>", "User-Agent": "quilt/0.68", "From": "Thomas Gleixner <tglx@kernel.org>", "To": "LKML <linux-kernel@vger.kernel.org>", "Cc": "Michael Grzeschik <m.grzeschik@pengutronix.de>,\n netdev@vger.kernel.org,\n Arnd Bergmann <arnd@arndb.de>,\n x86@kernel.org,\n Lu Baolu <baolu.lu@linux.intel.com>,\n iommu@lists.linux.dev,\n linux-wireless@vger.kernel.org,\n Herbert Xu <herbert@gondor.apana.org.au>,\n linux-crypto@vger.kernel.org,\n Vlastimil Babka <vbabka@kernel.org>,\n linux-mm@kvack.org,\n David Woodhouse <dwmw2@infradead.org>,\n Bernie Thompson <bernie@plugable.com>,\n linux-fbdev@vger.kernel.org,\n \"Theodore Tso\" <tytso@mit.edu>,\n linux-ext4@vger.kernel.org,\n Andrew Morton <akpm@linux-foundation.org>,\n Uladzislau Rezki <urezki@gmail.com>,\n Marco Elver <elver@google.com>,\n Dmitry Vyukov <dvyukov@google.com>,\n kasan-dev@googlegroups.com,\n Andrey Ryabinin <ryabinin.a.a@gmail.com>,\n Thomas Sailer <t.sailer@alumni.ethz.ch>,\n linux-hams@vger.kernel.org,\n \"Jason A. Donenfeld\" <Jason@zx2c4.com>,\n Richard Henderson <richard.henderson@linaro.org>,\n linux-alpha@vger.kernel.org,\n Russell King <linux@armlinux.org.uk>,\n linux-arm-kernel@lists.infradead.org,\n Catalin Marinas <catalin.marinas@arm.com>,\n Huacai Chen <chenhuacai@kernel.org>,\n loongarch@lists.linux.dev,\n Geert Uytterhoeven <geert@linux-m68k.org>,\n linux-m68k@lists.linux-m68k.org,\n Dinh Nguyen <dinguyen@kernel.org>,\n Jonas Bonn <jonas@southpole.se>,\n linux-openrisc@vger.kernel.org,\n Helge Deller <deller@gmx.de>,\n linux-parisc@vger.kernel.org,\n Michael Ellerman <mpe@ellerman.id.au>,\n linuxppc-dev@lists.ozlabs.org,\n Paul Walmsley <pjw@kernel.org>,\n linux-riscv@lists.infradead.org,\n Heiko Carstens <hca@linux.ibm.com>,\n linux-s390@vger.kernel.org,\n \"David S. Miller\" <davem@davemloft.net>,\n sparclinux@vger.kernel.org", "Subject": "[patch 10/38] arcnet: Remove function timing code", "References": "<20260410120044.031381086@kernel.org>", "Precedence": "bulk", "X-Mailing-List": "linux-ext4@vger.kernel.org", "List-Id": "<linux-ext4.vger.kernel.org>", "List-Subscribe": "<mailto:linux-ext4+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-ext4+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "X-Spam-Status": "No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org" }, "content": "ARCNET is a museums piece and the function timing can be done with\nftrace. Remove the cruft.\n\nSigned-off-by: Thomas Gleixner <tglx@kernel.org>\nCc: Michael Grzeschik <m.grzeschik@pengutronix.de>\nCc: netdev@vger.kernel.org\n---\n drivers/net/arcnet/arc-rimi.c | 4 ++--\n drivers/net/arcnet/arcdevice.h | 20 +-------------------\n drivers/net/arcnet/com20020.c | 6 ++----\n drivers/net/arcnet/com90io.c | 6 ++----\n drivers/net/arcnet/com90xx.c | 4 ++--\n 5 files changed, 9 insertions(+), 31 deletions(-)", "diff": "--- a/drivers/net/arcnet/arc-rimi.c\n+++ b/drivers/net/arcnet/arc-rimi.c\n@@ -291,7 +291,7 @@ static void arcrimi_copy_to_card(struct\n \tstruct arcnet_local *lp = netdev_priv(dev);\n \tvoid __iomem *memaddr = lp->mem_start + 0x800 + bufnum * 512 + offset;\n \n-\tTIME(dev, \"memcpy_toio\", count, memcpy_toio(memaddr, buf, count));\n+\tmemcpy_toio(memaddr, buf, count);\n }\n \n static void arcrimi_copy_from_card(struct net_device *dev, int bufnum,\n@@ -300,7 +300,7 @@ static void arcrimi_copy_from_card(struc\n \tstruct arcnet_local *lp = netdev_priv(dev);\n \tvoid __iomem *memaddr = lp->mem_start + 0x800 + bufnum * 512 + offset;\n \n-\tTIME(dev, \"memcpy_fromio\", count, memcpy_fromio(buf, memaddr, count));\n+\tmemcpy_fromio(buf, memaddr, count);\n }\n \n static int node;\n--- a/drivers/net/arcnet/arcdevice.h\n+++ b/drivers/net/arcnet/arcdevice.h\n@@ -11,7 +11,6 @@\n #ifndef _LINUX_ARCDEVICE_H\n #define _LINUX_ARCDEVICE_H\n \n-#include <asm/timex.h>\n #include <linux/if_arcnet.h>\n \n #ifdef __KERNEL__\n@@ -62,7 +61,7 @@\n #define D_RX\t\t512\t/* show rx packets */\n #define D_SKB\t\t1024\t/* show skb's */\n #define D_SKB_SIZE\t2048\t/* show skb sizes\t\t\t */\n-#define D_TIMING\t4096\t/* show time needed to copy buffers to card */\n+#define D_TIMING\t4096\t/* Not longer supported. Use tracing instead */\n #define D_DEBUG 8192 /* Very detailed debug line for line */\n \n #ifndef ARCNET_DEBUG_MAX\n@@ -95,23 +94,6 @@ do {\t\t\t\t\t\t\t\t\t\\\n \t\tpr_cont(fmt, ##__VA_ARGS__);\t\t\t\t\\\n } while (0)\n \n-/* see how long a function call takes to run, expressed in CPU cycles */\n-#define TIME(dev, name, bytes, call)\t\t\t\t\t\\\n-do {\t\t\t\t\t\t\t\t\t\\\n-\tif (BUGLVL(D_TIMING)) {\t\t\t\t\t\t\\\n-\t\tunsigned long _x, _y;\t\t\t\t\t\\\n-\t\t_x = get_cycles();\t\t\t\t\t\\\n-\t\tcall;\t\t\t\t\t\t\t\\\n-\t\t_y = get_cycles();\t\t\t\t\t\\\n-\t\tarc_printk(D_TIMING, dev,\t\t\t\t\\\n-\t\t\t \"%s: %d bytes in %lu cycles == %lu Kbytes/100Mcycle\\n\", \\\n-\t\t\t name, bytes, _y - _x,\t\t\t\\\n-\t\t\t 100000000 / 1024 * bytes / (_y - _x + 1));\t\\\n-\t} else {\t\t\t\t\t\t\t\\\n-\t\tcall;\t\t\t\t\t\t\t\\\n-\t}\t\t\t\t\t\t\t\t\\\n-} while (0)\n-\n /*\n * Time needed to reset the card - in ms (milliseconds). This works on my\n * SMC PC100. I can't find a reference that tells me just how long I\n--- a/drivers/net/arcnet/com20020.c\n+++ b/drivers/net/arcnet/com20020.c\n@@ -70,8 +70,7 @@ static void com20020_copy_from_card(stru\n \tarcnet_outb(ofs & 0xff, ioaddr, COM20020_REG_W_ADDR_LO);\n \n \t/* copy the data */\n-\tTIME(dev, \"insb\", count,\n-\t arcnet_insb(ioaddr, COM20020_REG_RW_MEMDATA, buf, count));\n+\tarcnet_insb(ioaddr, COM20020_REG_RW_MEMDATA, buf, count);\n }\n \n static void com20020_copy_to_card(struct net_device *dev, int bufnum,\n@@ -84,8 +83,7 @@ static void com20020_copy_to_card(struct\n \tarcnet_outb(ofs & 0xff, ioaddr, COM20020_REG_W_ADDR_LO);\n \n \t/* copy the data */\n-\tTIME(dev, \"outsb\", count,\n-\t arcnet_outsb(ioaddr, COM20020_REG_RW_MEMDATA, buf, count));\n+\tarcnet_outsb(ioaddr, COM20020_REG_RW_MEMDATA, buf, count);\n }\n \n /* Reset the card and check some basic stuff during the detection stage. */\n--- a/drivers/net/arcnet/com90io.c\n+++ b/drivers/net/arcnet/com90io.c\n@@ -332,15 +332,13 @@ static void com90io_setmask(struct net_d\n static void com90io_copy_to_card(struct net_device *dev, int bufnum,\n \t\t\t\t int offset, void *buf, int count)\n {\n-\tTIME(dev, \"put_whole_buffer\", count,\n-\t put_whole_buffer(dev, bufnum * 512 + offset, count, buf));\n+\tput_whole_buffer(dev, bufnum * 512 + offset, count, buf);\n }\n \n static void com90io_copy_from_card(struct net_device *dev, int bufnum,\n \t\t\t\t int offset, void *buf, int count)\n {\n-\tTIME(dev, \"get_whole_buffer\", count,\n-\t get_whole_buffer(dev, bufnum * 512 + offset, count, buf));\n+\tget_whole_buffer(dev, bufnum * 512 + offset, count, buf);\n }\n \n static int io;\t\t\t/* use the insmod io= irq= shmem= options */\n--- a/drivers/net/arcnet/com90xx.c\n+++ b/drivers/net/arcnet/com90xx.c\n@@ -633,7 +633,7 @@ static void com90xx_copy_to_card(struct\n \tstruct arcnet_local *lp = netdev_priv(dev);\n \tvoid __iomem *memaddr = lp->mem_start + bufnum * 512 + offset;\n \n-\tTIME(dev, \"memcpy_toio\", count, memcpy_toio(memaddr, buf, count));\n+\tmemcpy_toio(memaddr, buf, count);\n }\n \n static void com90xx_copy_from_card(struct net_device *dev, int bufnum,\n@@ -642,7 +642,7 @@ static void com90xx_copy_from_card(struc\n \tstruct arcnet_local *lp = netdev_priv(dev);\n \tvoid __iomem *memaddr = lp->mem_start + bufnum * 512 + offset;\n \n-\tTIME(dev, \"memcpy_fromio\", count, memcpy_fromio(buf, memaddr, count));\n+\tmemcpy_fromio(buf, memaddr, count);\n }\n \n MODULE_DESCRIPTION(\"ARCnet COM90xx normal chipset driver\");\n", "prefixes": [ "10/38" ] }