From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756724AbbAXOKW (ORCPT ); Sat, 24 Jan 2015 09:10:22 -0500 Received: from mail-qg0-f53.google.com ([209.85.192.53]:39353 "EHLO mail-qg0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753642AbbAXOEG (ORCPT ); Sat, 24 Jan 2015 09:04:06 -0500 From: Tejun Heo To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Tejun Heo , Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org Subject: [PATCH 11/32] xtensa: use %*pb[l] to print bitmaps including cpumasks and nodemasks Date: Sat, 24 Jan 2015 09:03:17 -0500 Message-Id: <1422108218-25398-12-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: Chris Zankel Cc: Max Filippov Cc: linux-xtensa@linux-xtensa.org --- arch/xtensa/kernel/setup.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index 06370cc..28fc57e 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -574,12 +574,9 @@ void machine_power_off(void) static int c_show(struct seq_file *f, void *slot) { - char buf[NR_CPUS * 5]; - - cpulist_scnprintf(buf, sizeof(buf), cpu_online_mask); /* high-level stuff */ seq_printf(f, "CPU count\t: %u\n" - "CPU list\t: %s\n" + "CPU list\t: %*pbl\n" "vendor_id\t: Tensilica\n" "model\t\t: Xtensa " XCHAL_HW_VERSION_NAME "\n" "core ID\t\t: " XCHAL_CORE_ID "\n" @@ -588,7 +585,7 @@ c_show(struct seq_file *f, void *slot) "cpu MHz\t\t: %lu.%02lu\n" "bogomips\t: %lu.%02lu\n", num_online_cpus(), - buf, + cpumask_pr_args(cpu_online_mask), XCHAL_BUILD_UNIQUE_ID, XCHAL_HAVE_BE ? "big" : "little", ccount_freq/1000000, -- 2.1.0