Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758880AbcK3UgG (ORCPT ); Wed, 30 Nov 2016 15:36:06 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:38468 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758474AbcK3UfH (ORCPT ); Wed, 30 Nov 2016 15:35:07 -0500 Smtp-Origin-Hostprefix: devbig From: Shaohua Li Smtp-Origin-Hostname: devbig638.prn2.facebook.com To: CC: Fenghua Yu , Thomas Gleixner Smtp-Origin-Cluster: prn2c22 Subject: [PATCH] intel-rdt: show mount options Date: Wed, 30 Nov 2016 12:31:42 -0800 Message-ID: <9892546694d8a9d5fad52c64fe5f16485198c38a.1480537792.git.shli@fb.com> X-Mailer: git-send-email 2.9.3 X-FB-Internal: Safe MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-11-30_15:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1020 Lines: 35 Show mount options when cdp is enabled Cc: Fenghua Yu Cc: Thomas Gleixner Signed-off-by: Shaohua Li --- arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c index fb8e03e..49438b0 100644 --- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c +++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c @@ -1034,9 +1034,19 @@ static int rdtgroup_rmdir(struct kernfs_node *kn) return ret; } +static int rdtgroup_show_options(struct seq_file *seq, + struct kernfs_root *kf_root) +{ + struct rdt_resource *r_l3data = &rdt_resources_all[RDT_RESOURCE_L3DATA]; + if (r_l3data->enabled) + seq_puts(seq, ",cdp"); + return 0; +} + static struct kernfs_syscall_ops rdtgroup_kf_syscall_ops = { .mkdir = rdtgroup_mkdir, .rmdir = rdtgroup_rmdir, + .show_options = rdtgroup_show_options, }; static int __init rdtgroup_setup_root(void) -- 2.9.3