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Commit 76ae054c authored by Shaohua Li's avatar Shaohua Li Committed by Thomas Gleixner
Browse files

x86/intel_rdt: Implement show_options() for resctrlfs 



Implement show_options() callback for intel resource control filesystem
to expose the active mount options in /proc/

Signed-off-by: default avatarShaohua Li <shli@fb.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/7dce7c1886ac9289442d254ea18322c92bd968da.1480717072.git.shli@fb.com


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 74fcdae1

arch/x86/kernel/cpu/intel_rdt_rdtgroup.c

+10 −2
Original line number Diff line number Diff line
@@ -1036,9 +1036,17 @@ static int rdtgroup_rmdir(struct kernfs_node *kn) 
	return ret;

}



static int rdtgroup_show_options(struct seq_file *seq, struct kernfs_root *kf)

{

	if (rdt_resources_all[RDT_RESOURCE_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)