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ctrlmondata.c

Native buffer comparison callAssigns a negative errno constant

SHA-256a30b37cbc4b5e7798ce85c33d323e5a50cd1689ad4a2784d14db913a766746dd

Evidence

imports internal.h lines 10–33

10:36… m>
11 *
12 * More information about RDT be found in the Intel (R) x86 Architecture
13 * Software Developer Manual June 2016, volume 3, section 17.17.
14 */
15
16#define pr_fmt(fmt)	KBUILD_MODNAME ": " fmt
17
18#include <linux/cpu.h>
19#include <linux/kernfs.h>
20#include <linux/math.h>
21#include <linux/seq_file.h>
22#include <linux/slab.h>
23#include <linux/tick.h>
24
25#include "internal.h"
26
27struct rdt_parse_data {
⋯6 lines

Kernel error code return lines 87–97

87:25…  {
88		rdt_last_cmd_printf("Duplicate domain %d\n", d->hdr.id);
89		return -EINVAL;
90	}
91
⋯6 lines

Assigns a negative errno constant lines 329–349

17… ed instead.
*/
if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKED) {
ret = -EINVAL;
rdt_last_cmd_puts("Resource group is pseudo-locked\n");
goto out;
⋯6 lines
if (!tok) {
	rdt_last_cmd_puts("Missing ':'\n");
	ret = -EINVAL;
	goto out;
}
⋯4 lines

Native buffer comparison call lines 475–482

18… ock(of->kn);
return -ENOENT;
}
rdt_last_cmd_clear();
479
if (!strcmp(buf, "mbm_local_bytes")) {
if (resctrl_is_mon_event_enabled(QOS_L3_MBM_LOCAL_EVENT_ID))
	rdtgrp->mba_mbps_event = QOS_L3_MBM_LO …

Copies bytes with native memcpy lines 819–826

45… );
list_for_each_entry(d, &s->res->ctrl_domains, hdr.list)
	memcpy(&d->staged_config[peer_type],
	       &d->staged_config[s->conf_type],
	       sizeof(d->staged_config[0]));
}
825
ret = res …