From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754748AbbAXOF4 (ORCPT ); Sat, 24 Jan 2015 09:05:56 -0500 Received: from mail-qa0-f49.google.com ([209.85.216.49]:47016 "EHLO mail-qa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754130AbbAXOEe (ORCPT ); Sat, 24 Jan 2015 09:04:34 -0500 From: Tejun Heo To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Tejun Heo , Thomas Gleixner Subject: [PATCH 30/32] irq: use %*pb[l] to print bitmaps including cpumasks and nodemasks Date: Sat, 24 Jan 2015 09:03:36 -0500 Message-Id: <1422108218-25398-31-git-send-email-tj@kernel.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1422108218-25398-1-git-send-email-tj@kernel.org> References: <1422108218-25398-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org printk and friends can now formap bitmaps using '%*pb[l]'. cpumask and nodemask also provide cpumask_pr_args() and nodemask_pr_args() respectively which can be used to generate the two printf arguments necessary to format the specified cpu/nodemask. This patch is dependent on the following two patches. lib/vsprintf: implement bitmap printing through '%*pb[l]' cpumask, nodemask: implement cpumask/nodemask_pr_args() Please wait till the forementioned patches are merged to mainline before applying to subsystem trees. Signed-off-by: Tejun Heo Cc: Andrew Morton Cc: Thomas Gleixner --- kernel/irq/proc.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 9dc9bfd..df2f464 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -46,10 +46,9 @@ static int show_irq_affinity(int type, struct seq_file *m, void *v) mask = desc->pending_mask; #endif if (type) - seq_cpumask_list(m, mask); + seq_printf(m, "%*pbl\n", cpumask_pr_args(mask)); else - seq_cpumask(m, mask); - seq_putc(m, '\n'); + seq_printf(m, "%*pb\n", cpumask_pr_args(mask)); return 0; } @@ -67,8 +66,7 @@ static int irq_affinity_hint_proc_show(struct seq_file *m, void *v) cpumask_copy(mask, desc->affinity_hint); raw_spin_unlock_irqrestore(&desc->lock, flags); - seq_cpumask(m, mask); - seq_putc(m, '\n'); + seq_printf(m, "%*pb\n", cpumask_pr_args(mask)); free_cpumask_var(mask); return 0; @@ -186,8 +184,7 @@ static const struct file_operations irq_affinity_list_proc_fops = { static int default_affinity_show(struct seq_file *m, void *v) { - seq_cpumask(m, irq_default_affinity); - seq_putc(m, '\n'); + seq_printf(m, "%*pb\n", cpumask_pr_args(irq_default_affinity)); return 0; } -- 2.1.0