{"id":2228573,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2228573/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260427044715.559137-3-sshegde@linux.ibm.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/1.2/projects/2/?format=json","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/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<20260427044715.559137-3-sshegde@linux.ibm.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20260427044715.559137-3-sshegde@linux.ibm.com/","date":"2026-04-27T04:47:13","name":"[v2,2/4] powerpc: Simplify cpumask api usage for cpuinfo display","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5aa4a0dd4553d543581a41a6fda04f06729377ac","submitter":{"id":87866,"url":"http://patchwork.ozlabs.org/api/1.2/people/87866/?format=json","name":"Shrikanth Hegde","email":"sshegde@linux.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260427044715.559137-3-sshegde@linux.ibm.com/mbox/","series":[{"id":501570,"url":"http://patchwork.ozlabs.org/api/1.2/series/501570/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=501570","date":"2026-04-27T04:47:11","name":"powerpc: A few misc cpumask changes","version":2,"mbox":"http://patchwork.ozlabs.org/series/501570/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2228573/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2228573/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","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=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=j9vDzH0F;\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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So simplify cpuinfo\n iterator.\n\n- Use cpumask_last to find if this_cpu is last online CPU.\n\n/proc/cpuinfo shows same info with patch.\n\nReviewed-by: Yury Norov \nSigned-off-by: Shrikanth Hegde \n---\n arch/powerpc/kernel/setup-common.c | 7 ++-----\n 1 file changed, 2 insertions(+), 5 deletions(-)","diff":"diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c\nindex 8a86b0efcb1c..aecabe9cf139 100644\n--- a/arch/powerpc/kernel/setup-common.c\n+++ b/arch/powerpc/kernel/setup-common.c\n@@ -323,7 +323,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)\n \tseq_putc(m, '\\n');\n \n \t/* If this is the last cpu, print the summary */\n-\tif (cpumask_next(cpu_id, cpu_online_mask) >= nr_cpu_ids)\n+\tif (cpu_id == cpumask_last(cpu_online_mask))\n \t\tshow_cpuinfo_summary(m);\n \n \treturn 0;\n@@ -331,10 +331,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)\n \n static void *c_start(struct seq_file *m, loff_t *pos)\n {\n-\tif (*pos == 0)\t/* just in case, cpu 0 is not the first */\n-\t\t*pos = cpumask_first(cpu_online_mask);\n-\telse\n-\t\t*pos = cpumask_next(*pos - 1, cpu_online_mask);\n+\t*pos = cpumask_next(*pos - 1, cpu_online_mask);\n \tif ((*pos) < nr_cpu_ids)\n \t\treturn (void *)(unsigned long)(*pos + 1);\n \treturn NULL;\n","prefixes":["v2","2/4"]}