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Date: Mon, 11 Feb 2019 15:15:34 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Babu Moger <babu.moger@....com>,
Borislav Petkov <bp@...e.de>,
Andrew Morton <akpm@...ux-foundation.org>,
Andy Lutomirski <luto@...nel.org>,
Arnd Bergmann <arnd@...db.de>,
Brijesh Singh <brijesh.singh@....com>,
"Chang S. Bae" <chang.seok.bae@...el.com>,
David Miller <davem@...emloft.net>,
David Woodhouse <dwmw2@...radead.org>,
Dmitry Safonov <dima@...sta.com>,
Fenghua Yu <fenghua.yu@...el.com>,
"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
Jann Horn <jannh@...gle.com>, Joerg Roedel <jroedel@...e.de>,
Jonathan Corbet <corbet@....net>,
Josh Poimboeuf <jpoimboe@...hat.com>,
Kate Stewart <kstewart@...uxfoundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
linux-doc@...r.kernel.org,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Paolo Bonzini <pbonzini@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Philippe Ombredanne <pombredanne@...b.com>,
Pu Wen <puwen@...on.cn>, qianyue.zj@...baba-inc.com,
"Rafael J. Wysocki" <rafael@...nel.org>,
Reinette Chatre <reinette.chatre@...el.com>,
Rian Hunter <rian@...m.mit.edu>,
Sherry Hurwitz <sherry.hurwitz@....com>,
Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
Thomas Gleixner <tglx@...utronix.de>,
Thomas Lendacky <Thomas.Lendacky@....com>,
Tony Luck <tony.luck@...el.com>,
Vitaly Kuznetsov <vkuznets@...hat.com>,
xiaochen.shen@...el.com, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 054/313] x86/resctrl: Fixup the user-visible strings
4.19-stable review patch. If anyone has any objections, please let me know.
------------------
[ Upstream commit 723f1a0dd8e26a7523ba068204bee11c95ded38d ]
Fix the messages in rdt_last_cmd_printf() and rdt_last_cmd_puts() to
make them more meaningful and consistent.
[ bp: s/cpu/CPU/; s/mem\W/memory ]
Signed-off-by: Babu Moger <babu.moger@....com>
Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Brijesh Singh <brijesh.singh@....com>
Cc: "Chang S. Bae" <chang.seok.bae@...el.com>
Cc: David Miller <davem@...emloft.net>
Cc: David Woodhouse <dwmw2@...radead.org>
Cc: Dmitry Safonov <dima@...sta.com>
Cc: Fenghua Yu <fenghua.yu@...el.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Jann Horn <jannh@...gle.com>
Cc: Joerg Roedel <jroedel@...e.de>
Cc: Jonathan Corbet <corbet@....net>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Kate Stewart <kstewart@...uxfoundation.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc: <linux-doc@...r.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Cc: Paolo Bonzini <pbonzini@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Philippe Ombredanne <pombredanne@...b.com>
Cc: Pu Wen <puwen@...on.cn>
Cc: <qianyue.zj@...baba-inc.com>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Reinette Chatre <reinette.chatre@...el.com>
Cc: Rian Hunter <rian@...m.mit.edu>
Cc: Sherry Hurwitz <sherry.hurwitz@....com>
Cc: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Thomas Lendacky <Thomas.Lendacky@....com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Vitaly Kuznetsov <vkuznets@...hat.com>
Cc: <xiaochen.shen@...el.com>
Link: https://lkml.kernel.org/r/20181121202811.4492-11-babu.moger@amd.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c | 22 ++++++-------
arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 34 +++++++++----------
arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 36 ++++++++++-----------
3 files changed, 46 insertions(+), 46 deletions(-)
diff --git a/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c b/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c
index 627e5c809b33..79d099538f2e 100644
--- a/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c
+++ b/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c
@@ -71,7 +71,7 @@ int parse_bw(struct rdt_parse_data *data, struct rdt_resource *r,
unsigned long bw_val;
if (d->have_new_ctrl) {
- rdt_last_cmd_printf("duplicate domain %d\n", d->id);
+ rdt_last_cmd_printf("Duplicate domain %d\n", d->id);
return -EINVAL;
}
@@ -97,12 +97,12 @@ static bool cbm_validate(char *buf, u32 *data, struct rdt_resource *r)
ret = kstrtoul(buf, 16, &val);
if (ret) {
- rdt_last_cmd_printf("non-hex character in mask %s\n", buf);
+ rdt_last_cmd_printf("Non-hex character in the mask %s\n", buf);
return false;
}
if (val == 0 || val > r->default_ctrl) {
- rdt_last_cmd_puts("mask out of range\n");
+ rdt_last_cmd_puts("Mask out of range\n");
return false;
}
@@ -110,12 +110,12 @@ static bool cbm_validate(char *buf, u32 *data, struct rdt_resource *r)
zero_bit = find_next_zero_bit(&val, cbm_len, first_bit);
if (find_next_bit(&val, cbm_len, zero_bit) < cbm_len) {
- rdt_last_cmd_printf("mask %lx has non-consecutive 1-bits\n", val);
+ rdt_last_cmd_printf("The mask %lx has non-consecutive 1-bits\n", val);
return false;
}
if ((zero_bit - first_bit) < r->cache.min_cbm_bits) {
- rdt_last_cmd_printf("Need at least %d bits in mask\n",
+ rdt_last_cmd_printf("Need at least %d bits in the mask\n",
r->cache.min_cbm_bits);
return false;
}
@@ -135,7 +135,7 @@ int parse_cbm(struct rdt_parse_data *data, struct rdt_resource *r,
u32 cbm_val;
if (d->have_new_ctrl) {
- rdt_last_cmd_printf("duplicate domain %d\n", d->id);
+ rdt_last_cmd_printf("Duplicate domain %d\n", d->id);
return -EINVAL;
}
@@ -145,7 +145,7 @@ int parse_cbm(struct rdt_parse_data *data, struct rdt_resource *r,
*/
if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP &&
rdtgroup_pseudo_locked_in_hierarchy(d)) {
- rdt_last_cmd_printf("pseudo-locked region in hierarchy\n");
+ rdt_last_cmd_printf("Pseudo-locked region in hierarchy\n");
return -EINVAL;
}
@@ -164,14 +164,14 @@ int parse_cbm(struct rdt_parse_data *data, struct rdt_resource *r,
* either is exclusive.
*/
if (rdtgroup_cbm_overlaps(r, d, cbm_val, rdtgrp->closid, true)) {
- rdt_last_cmd_printf("overlaps with exclusive group\n");
+ rdt_last_cmd_printf("Overlaps with exclusive group\n");
return -EINVAL;
}
if (rdtgroup_cbm_overlaps(r, d, cbm_val, rdtgrp->closid, false)) {
if (rdtgrp->mode == RDT_MODE_EXCLUSIVE ||
rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP) {
- rdt_last_cmd_printf("overlaps with other group\n");
+ rdt_last_cmd_printf("0verlaps with other group\n");
return -EINVAL;
}
}
@@ -293,7 +293,7 @@ static int rdtgroup_parse_resource(char *resname, char *tok,
if (!strcmp(resname, r->name) && rdtgrp->closid < r->num_closid)
return parse_line(tok, r, rdtgrp);
}
- rdt_last_cmd_printf("unknown/unsupported resource name '%s'\n", resname);
+ rdt_last_cmd_printf("Unknown or unsupported resource name '%s'\n", resname);
return -EINVAL;
}
@@ -326,7 +326,7 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of,
*/
if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKED) {
ret = -EINVAL;
- rdt_last_cmd_puts("resource group is pseudo-locked\n");
+ rdt_last_cmd_puts("Resource group is pseudo-locked\n");
goto out;
}
diff --git a/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c b/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c
index f8c260d522ca..caa680fb5680 100644
--- a/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c
+++ b/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c
@@ -221,7 +221,7 @@ static int pseudo_lock_cstates_constrain(struct pseudo_lock_region *plr)
for_each_cpu(cpu, &plr->d->cpu_mask) {
pm_req = kzalloc(sizeof(*pm_req), GFP_KERNEL);
if (!pm_req) {
- rdt_last_cmd_puts("fail allocating mem for PM QoS\n");
+ rdt_last_cmd_puts("Failure to allocate memory for PM QoS\n");
ret = -ENOMEM;
goto out_err;
}
@@ -230,7 +230,7 @@ static int pseudo_lock_cstates_constrain(struct pseudo_lock_region *plr)
DEV_PM_QOS_RESUME_LATENCY,
30);
if (ret < 0) {
- rdt_last_cmd_printf("fail to add latency req cpu%d\n",
+ rdt_last_cmd_printf("Failed to add latency req CPU%d\n",
cpu);
kfree(pm_req);
ret = -1;
@@ -297,7 +297,7 @@ static int pseudo_lock_region_init(struct pseudo_lock_region *plr)
plr->cpu = cpumask_first(&plr->d->cpu_mask);
if (!cpu_online(plr->cpu)) {
- rdt_last_cmd_printf("cpu %u associated with cache not online\n",
+ rdt_last_cmd_printf("CPU %u associated with cache not online\n",
plr->cpu);
ret = -ENODEV;
goto out_region;
@@ -315,7 +315,7 @@ static int pseudo_lock_region_init(struct pseudo_lock_region *plr)
}
ret = -1;
- rdt_last_cmd_puts("unable to determine cache line size\n");
+ rdt_last_cmd_puts("Unable to determine cache line size\n");
out_region:
pseudo_lock_region_clear(plr);
return ret;
@@ -369,14 +369,14 @@ static int pseudo_lock_region_alloc(struct pseudo_lock_region *plr)
* KMALLOC_MAX_SIZE.
*/
if (plr->size > KMALLOC_MAX_SIZE) {
- rdt_last_cmd_puts("requested region exceeds maximum size\n");
+ rdt_last_cmd_puts("Requested region exceeds maximum size\n");
ret = -E2BIG;
goto out_region;
}
plr->kmem = kzalloc(plr->size, GFP_KERNEL);
if (!plr->kmem) {
- rdt_last_cmd_puts("unable to allocate memory\n");
+ rdt_last_cmd_puts("Unable to allocate memory\n");
ret = -ENOMEM;
goto out_region;
}
@@ -673,7 +673,7 @@ int rdtgroup_locksetup_enter(struct rdtgroup *rdtgrp)
* default closid associated with it.
*/
if (rdtgrp == &rdtgroup_default) {
- rdt_last_cmd_puts("cannot pseudo-lock default group\n");
+ rdt_last_cmd_puts("Cannot pseudo-lock default group\n");
return -EINVAL;
}
@@ -715,17 +715,17 @@ int rdtgroup_locksetup_enter(struct rdtgroup *rdtgrp)
*/
prefetch_disable_bits = get_prefetch_disable_bits();
if (prefetch_disable_bits == 0) {
- rdt_last_cmd_puts("pseudo-locking not supported\n");
+ rdt_last_cmd_puts("Pseudo-locking not supported\n");
return -EINVAL;
}
if (rdtgroup_monitor_in_progress(rdtgrp)) {
- rdt_last_cmd_puts("monitoring in progress\n");
+ rdt_last_cmd_puts("Monitoring in progress\n");
return -EINVAL;
}
if (rdtgroup_tasks_assigned(rdtgrp)) {
- rdt_last_cmd_puts("tasks assigned to resource group\n");
+ rdt_last_cmd_puts("Tasks assigned to resource group\n");
return -EINVAL;
}
@@ -735,13 +735,13 @@ int rdtgroup_locksetup_enter(struct rdtgroup *rdtgrp)
}
if (rdtgroup_locksetup_user_restrict(rdtgrp)) {
- rdt_last_cmd_puts("unable to modify resctrl permissions\n");
+ rdt_last_cmd_puts("Unable to modify resctrl permissions\n");
return -EIO;
}
ret = pseudo_lock_init(rdtgrp);
if (ret) {
- rdt_last_cmd_puts("unable to init pseudo-lock region\n");
+ rdt_last_cmd_puts("Unable to init pseudo-lock region\n");
goto out_release;
}
@@ -778,7 +778,7 @@ int rdtgroup_locksetup_exit(struct rdtgroup *rdtgrp)
if (rdt_mon_capable) {
ret = alloc_rmid();
if (ret < 0) {
- rdt_last_cmd_puts("out of RMIDs\n");
+ rdt_last_cmd_puts("Out of RMIDs\n");
return ret;
}
rdtgrp->mon.rmid = ret;
@@ -1234,7 +1234,7 @@ int rdtgroup_pseudo_lock_create(struct rdtgroup *rdtgrp)
"pseudo_lock/%u", plr->cpu);
if (IS_ERR(thread)) {
ret = PTR_ERR(thread);
- rdt_last_cmd_printf("locking thread returned error %d\n", ret);
+ rdt_last_cmd_printf("Locking thread returned error %d\n", ret);
goto out_cstates;
}
@@ -1252,13 +1252,13 @@ int rdtgroup_pseudo_lock_create(struct rdtgroup *rdtgrp)
* the cleared, but not freed, plr struct resulting in an
* empty pseudo-locking loop.
*/
- rdt_last_cmd_puts("locking thread interrupted\n");
+ rdt_last_cmd_puts("Locking thread interrupted\n");
goto out_cstates;
}
ret = pseudo_lock_minor_get(&new_minor);
if (ret < 0) {
- rdt_last_cmd_puts("unable to obtain a new minor number\n");
+ rdt_last_cmd_puts("Unable to obtain a new minor number\n");
goto out_cstates;
}
@@ -1290,7 +1290,7 @@ int rdtgroup_pseudo_lock_create(struct rdtgroup *rdtgrp)
if (IS_ERR(dev)) {
ret = PTR_ERR(dev);
- rdt_last_cmd_printf("failed to create character device: %d\n",
+ rdt_last_cmd_printf("Failed to create character device: %d\n",
ret);
goto out_debugfs;
}
diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
index 643670fb8943..49ebefde9349 100644
--- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
+++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
@@ -335,7 +335,7 @@ static int cpus_mon_write(struct rdtgroup *rdtgrp, cpumask_var_t newmask,
/* Check whether cpus belong to parent ctrl group */
cpumask_andnot(tmpmask, newmask, &prgrp->cpu_mask);
if (cpumask_weight(tmpmask)) {
- rdt_last_cmd_puts("can only add CPUs to mongroup that belong to parent\n");
+ rdt_last_cmd_puts("Can only add CPUs to mongroup that belong to parent\n");
return -EINVAL;
}
@@ -460,14 +460,14 @@ static ssize_t rdtgroup_cpus_write(struct kernfs_open_file *of,
rdt_last_cmd_clear();
if (!rdtgrp) {
ret = -ENOENT;
- rdt_last_cmd_puts("directory was removed\n");
+ rdt_last_cmd_puts("Directory was removed\n");
goto unlock;
}
if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKED ||
rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP) {
ret = -EINVAL;
- rdt_last_cmd_puts("pseudo-locking in progress\n");
+ rdt_last_cmd_puts("Pseudo-locking in progress\n");
goto unlock;
}
@@ -477,7 +477,7 @@ static ssize_t rdtgroup_cpus_write(struct kernfs_open_file *of,
ret = cpumask_parse(buf, newmask);
if (ret) {
- rdt_last_cmd_puts("bad cpu list/mask\n");
+ rdt_last_cmd_puts("Bad CPU list/mask\n");
goto unlock;
}
@@ -485,7 +485,7 @@ static ssize_t rdtgroup_cpus_write(struct kernfs_open_file *of,
cpumask_andnot(tmpmask, newmask, cpu_online_mask);
if (cpumask_weight(tmpmask)) {
ret = -EINVAL;
- rdt_last_cmd_puts("can only assign online cpus\n");
+ rdt_last_cmd_puts("Can only assign online CPUs\n");
goto unlock;
}
@@ -564,7 +564,7 @@ static int __rdtgroup_move_task(struct task_struct *tsk,
*/
atomic_dec(&rdtgrp->waitcount);
kfree(callback);
- rdt_last_cmd_puts("task exited\n");
+ rdt_last_cmd_puts("Task exited\n");
} else {
/*
* For ctrl_mon groups move both closid and rmid.
@@ -682,7 +682,7 @@ static ssize_t rdtgroup_tasks_write(struct kernfs_open_file *of,
if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKED ||
rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP) {
ret = -EINVAL;
- rdt_last_cmd_puts("pseudo-locking in progress\n");
+ rdt_last_cmd_puts("Pseudo-locking in progress\n");
goto unlock;
}
@@ -1042,14 +1042,14 @@ static bool rdtgroup_mode_test_exclusive(struct rdtgroup *rdtgrp)
list_for_each_entry(d, &r->domains, list) {
if (rdtgroup_cbm_overlaps(r, d, d->ctrl_val[closid],
rdtgrp->closid, false)) {
- rdt_last_cmd_puts("schemata overlaps\n");
+ rdt_last_cmd_puts("Schemata overlaps\n");
return false;
}
}
}
if (!has_cache) {
- rdt_last_cmd_puts("cannot be exclusive without CAT/CDP\n");
+ rdt_last_cmd_puts("Cannot be exclusive without CAT/CDP\n");
return false;
}
@@ -1090,7 +1090,7 @@ static ssize_t rdtgroup_mode_write(struct kernfs_open_file *of,
goto out;
if (mode == RDT_MODE_PSEUDO_LOCKED) {
- rdt_last_cmd_printf("cannot change pseudo-locked group\n");
+ rdt_last_cmd_printf("Cannot change pseudo-locked group\n");
ret = -EINVAL;
goto out;
}
@@ -1119,7 +1119,7 @@ static ssize_t rdtgroup_mode_write(struct kernfs_open_file *of,
goto out;
rdtgrp->mode = RDT_MODE_PSEUDO_LOCKSETUP;
} else {
- rdt_last_cmd_printf("unknown/unsupported mode\n");
+ rdt_last_cmd_printf("Unknown orunsupported mode\n");
ret = -EINVAL;
}
@@ -2403,7 +2403,7 @@ static int rdtgroup_init_alloc(struct rdtgroup *rdtgrp)
tmp_cbm = d->new_ctrl;
if (bitmap_weight(&tmp_cbm, r->cache.cbm_len) <
r->cache.min_cbm_bits) {
- rdt_last_cmd_printf("no space on %s:%d\n",
+ rdt_last_cmd_printf("No space on %s:%d\n",
r->name, d->id);
return -ENOSPC;
}
@@ -2420,7 +2420,7 @@ static int rdtgroup_init_alloc(struct rdtgroup *rdtgrp)
continue;
ret = update_domains(r, rdtgrp->closid);
if (ret < 0) {
- rdt_last_cmd_puts("failed to initialize allocations\n");
+ rdt_last_cmd_puts("Failed to initialize allocations\n");
return ret;
}
rdtgrp->mode = RDT_MODE_SHAREABLE;
@@ -2443,7 +2443,7 @@ static int mkdir_rdt_prepare(struct kernfs_node *parent_kn,
rdt_last_cmd_clear();
if (!prdtgrp) {
ret = -ENODEV;
- rdt_last_cmd_puts("directory was removed\n");
+ rdt_last_cmd_puts("Directory was removed\n");
goto out_unlock;
}
@@ -2451,7 +2451,7 @@ static int mkdir_rdt_prepare(struct kernfs_node *parent_kn,
(prdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP ||
prdtgrp->mode == RDT_MODE_PSEUDO_LOCKED)) {
ret = -EINVAL;
- rdt_last_cmd_puts("pseudo-locking in progress\n");
+ rdt_last_cmd_puts("Pseudo-locking in progress\n");
goto out_unlock;
}
@@ -2459,7 +2459,7 @@ static int mkdir_rdt_prepare(struct kernfs_node *parent_kn,
rdtgrp = kzalloc(sizeof(*rdtgrp), GFP_KERNEL);
if (!rdtgrp) {
ret = -ENOSPC;
- rdt_last_cmd_puts("kernel out of memory\n");
+ rdt_last_cmd_puts("Kernel out of memory\n");
goto out_unlock;
}
*r = rdtgrp;
@@ -2500,7 +2500,7 @@ static int mkdir_rdt_prepare(struct kernfs_node *parent_kn,
if (rdt_mon_capable) {
ret = alloc_rmid();
if (ret < 0) {
- rdt_last_cmd_puts("out of RMIDs\n");
+ rdt_last_cmd_puts("Out of RMIDs\n");
goto out_destroy;
}
rdtgrp->mon.rmid = ret;
@@ -2588,7 +2588,7 @@ static int rdtgroup_mkdir_ctrl_mon(struct kernfs_node *parent_kn,
kn = rdtgrp->kn;
ret = closid_alloc();
if (ret < 0) {
- rdt_last_cmd_puts("out of CLOSIDs\n");
+ rdt_last_cmd_puts("Out of CLOSIDs\n");
goto out_common_fail;
}
closid = ret;
--
2.19.1
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