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Message-ID: <20130628103605.GE16643@zion.uk.xensource.com>
Date: Fri, 28 Jun 2013 11:36:05 +0100
From: Wei Liu <wei.liu2@...rix.com>
To: Joe Perches <joe@...ches.com>
CC: Wei Liu <wei.liu2@...rix.com>,
Ian Campbell <ian.campbell@...rix.com>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Jeremy Fitzhardinge <jeremy@...p.org>,
<xen-devel@...ts.xensource.com>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
"virtualization@...ts.osdl.org"
<virtualization@...ts.linux-foundation.org>
Subject: Re: [PATCH next] xen: Convert printks to pr_<level>
On Fri, Jun 28, 2013 at 03:21:41AM -0700, Joe Perches wrote:
> Convert printks to pr_<level> (excludes printk(KERN_DEBUG...)
> to be more consistent throughout the xen subsystem.
>
> Add pr_fmt with KBUILD_MODNAME or "xen:" KBUILD_MODNAME
> Coalesce formats and add missing word spaces
> Add missing newlines
> Align arguments and reflow to 80 columns
> Remove DRV_NAME from formats as pr_fmt adds the same content
>
> This does change some of the prefixes of these messages
> but it also does make them more consistent.
>
> Signed-off-by: Joe Perches <joe@...ches.com>
> ---
>
> On Fri, 2013-06-28 at 09:02 +0100, Wei Liu wrote:
> > Do you also need to replace other printk occurences in xen-netback
> > directory, say, interface.c and xenbus.c?
>
> Well, I don't _need_ to but if you want it
> this is what I suggest.
>
Just wanted to make sure the style is consistent within xen-netback. The
change below is good but touches too many other files.
I can clean up the rest in xen-netback after your previous patch goes
in.
Wei.
> drivers/xen/balloon.c | 6 +++--
> drivers/xen/cpu_hotplug.c | 6 +++--
> drivers/xen/events.c | 23 +++++++++---------
> drivers/xen/evtchn.c | 6 +++--
> drivers/xen/gntalloc.c | 6 +++--
> drivers/xen/gntdev.c | 8 ++++---
> drivers/xen/grant-table.c | 17 +++++++-------
> drivers/xen/manage.c | 23 +++++++++---------
> drivers/xen/mcelog.c | 36 +++++++++++------------------
> drivers/xen/pcpu.c | 12 +++++-----
> drivers/xen/privcmd.c | 4 +++-
> drivers/xen/swiotlb-xen.c | 12 ++++++----
> drivers/xen/tmem.c | 10 ++++----
> drivers/xen/xen-acpi-cpuhotplug.c | 2 ++
> drivers/xen/xen-acpi-memhotplug.c | 2 ++
> drivers/xen/xen-acpi-pad.c | 2 ++
> drivers/xen/xen-acpi-processor.c | 25 ++++++++++----------
> drivers/xen/xen-balloon.c | 6 +++--
> drivers/xen/xen-pciback/conf_space_header.c | 16 ++++++-------
> drivers/xen/xen-pciback/pci_stub.c | 25 +++++++++-----------
> drivers/xen/xen-pciback/pciback_ops.c | 9 +++++---
> drivers/xen/xen-pciback/vpci.c | 10 ++++----
> drivers/xen/xen-pciback/xenbus.c | 8 ++++---
> drivers/xen/xen-selfballoon.c | 11 ++++-----
> drivers/xen/xenbus/xenbus_comms.c | 13 ++++++-----
> drivers/xen/xenbus/xenbus_dev_backend.c | 4 +++-
> drivers/xen/xenbus/xenbus_dev_frontend.c | 4 +++-
> drivers/xen/xenbus/xenbus_probe.c | 30 +++++++++++-------------
> drivers/xen/xenbus/xenbus_probe_backend.c | 8 ++++---
> drivers/xen/xenbus/xenbus_probe_frontend.c | 35 ++++++++++++++--------------
> drivers/xen/xenbus/xenbus_xs.c | 22 ++++++++----------
> drivers/xen/xencomm.c | 2 ++
> drivers/xen/xenfs/super.c | 4 +++-
> include/xen/hvm.h | 4 ++--
> 34 files changed, 215 insertions(+), 196 deletions(-)
>
> diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
> index 08e9715..4e43c0e 100644
> --- a/drivers/xen/balloon.c
> +++ b/drivers/xen/balloon.c
> @@ -36,6 +36,8 @@
> * IN THE SOFTWARE.
> */
>
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/sched.h>
> #include <linux/errno.h>
> @@ -231,7 +233,7 @@ static enum bp_state reserve_additional_memory(long credit)
> rc = add_memory(nid, hotplug_start_paddr, balloon_hotplug << PAGE_SHIFT);
>
> if (rc) {
> - pr_info("xen_balloon: %s: add_memory() failed: %i\n", __func__, rc);
> + pr_info("%s: add_memory() failed: %i\n", __func__, rc);
> return BP_EAGAIN;
> }
>
> @@ -582,7 +584,7 @@ static int __init balloon_init(void)
> if (!xen_domain())
> return -ENODEV;
>
> - pr_info("xen/balloon: Initialising balloon driver.\n");
> + pr_info("Initialising balloon driver\n");
>
> balloon_stats.current_pages = xen_pv_domain()
> ? min(xen_start_info->nr_pages - xen_released_pages, max_pfn)
> diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
> index b0b87dd..cbb02af 100644
> --- a/drivers/xen/cpu_hotplug.c
> +++ b/drivers/xen/cpu_hotplug.c
> @@ -1,3 +1,5 @@
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/notifier.h>
>
> #include <xen/xen.h>
> @@ -32,7 +34,7 @@ static int vcpu_online(unsigned int cpu)
> err = xenbus_scanf(XBT_NIL, dir, "availability", "%15s", state);
> if (err != 1) {
> if (!xen_initial_domain())
> - printk(KERN_ERR "XENBUS: Unable to read cpu state\n");
> + pr_err("Unable to read cpu state\n");
> return err;
> }
>
> @@ -41,7 +43,7 @@ static int vcpu_online(unsigned int cpu)
> else if (strcmp(state, "offline") == 0)
> return 0;
>
> - printk(KERN_ERR "XENBUS: unknown state(%s) on CPU%d\n", state, cpu);
> + pr_err("unknown state(%s) on CPU%d\n", state, cpu);
> return -EINVAL;
> }
> static void vcpu_hotplug(unsigned int cpu)
> diff --git a/drivers/xen/events.c b/drivers/xen/events.c
> index 7945f88..ddb9290 100644
> --- a/drivers/xen/events.c
> +++ b/drivers/xen/events.c
> @@ -21,6 +21,8 @@
> * Jeremy Fitzhardinge <jeremy@...source.com>, XenSource Inc, 2007
> */
>
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/linkage.h>
> #include <linux/interrupt.h>
> #include <linux/irq.h>
> @@ -600,8 +602,7 @@ static unsigned int __startup_pirq(unsigned int irq)
> rc = HYPERVISOR_event_channel_op(EVTCHNOP_bind_pirq, &bind_pirq);
> if (rc != 0) {
> if (!probing_irq(irq))
> - printk(KERN_INFO "Failed to obtain physical IRQ %d\n",
> - irq);
> + pr_info("Failed to obtain physical IRQ %d\n", irq);
> return 0;
> }
> evtchn = bind_pirq.port;
> @@ -693,8 +694,8 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi,
>
> irq = xen_irq_from_gsi(gsi);
> if (irq != -1) {
> - printk(KERN_INFO "xen_map_pirq_gsi: returning irq %d for gsi %u\n",
> - irq, gsi);
> + pr_info("%s: returning irq %d for gsi %u\n",
> + __func__, irq, gsi);
> goto out;
> }
>
> @@ -812,10 +813,10 @@ int xen_destroy_irq(int irq)
> * (free_domain_pirqs).
> */
> if ((rc == -ESRCH && info->u.pirq.domid != DOMID_SELF))
> - printk(KERN_INFO "domain %d does not have %d anymore\n",
> + pr_info("domain %d does not have %d anymore\n",
> info->u.pirq.domid, info->u.pirq.pirq);
> else if (rc) {
> - printk(KERN_WARNING "unmap irq failed %d\n", rc);
> + pr_warn("unmap irq failed %d\n", rc);
> goto out;
> }
> }
> @@ -1621,8 +1622,8 @@ static void restore_pirqs(void)
>
> rc = HYPERVISOR_physdev_op(PHYSDEVOP_map_pirq, &map_irq);
> if (rc) {
> - printk(KERN_WARNING "xen map irq failed gsi=%d irq=%d pirq=%d rc=%d\n",
> - gsi, irq, pirq, rc);
> + pr_warn("xen map irq failed gsi=%d irq=%d pirq=%d rc=%d\n",
> + gsi, irq, pirq, rc);
> xen_free_irq(irq);
> continue;
> }
> @@ -1844,13 +1845,11 @@ void xen_callback_vector(void)
> callback_via = HVM_CALLBACK_VECTOR(HYPERVISOR_CALLBACK_VECTOR);
> rc = xen_set_callback_via(callback_via);
> if (rc) {
> - printk(KERN_ERR "Request for Xen HVM callback vector"
> - " failed.\n");
> + pr_err("Request for Xen HVM callback vector failed\n");
> xen_have_vector_callback = 0;
> return;
> }
> - printk(KERN_INFO "Xen HVM callback vector for event delivery is "
> - "enabled\n");
> + pr_info("Xen HVM callback vector for event delivery is enabled\n");
> /* in the restore case the vector has already been allocated */
> if (!test_bit(HYPERVISOR_CALLBACK_VECTOR, used_vectors))
> alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR,
> diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
> index 45c8efa..8feecf0 100644
> --- a/drivers/xen/evtchn.c
> +++ b/drivers/xen/evtchn.c
> @@ -31,6 +31,8 @@
> * IN THE SOFTWARE.
> */
>
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/module.h>
> #include <linux/kernel.h>
> #include <linux/sched.h>
> @@ -547,11 +549,11 @@ static int __init evtchn_init(void)
> /* Create '/dev/xen/evtchn'. */
> err = misc_register(&evtchn_miscdev);
> if (err != 0) {
> - printk(KERN_ERR "Could not register /dev/xen/evtchn\n");
> + pr_err("Could not register /dev/xen/evtchn\n");
> return err;
> }
>
> - printk(KERN_INFO "Event-channel device installed.\n");
> + pr_info("Event-channel device installed\n");
>
> return 0;
> }
> diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c
> index 4097987..787d179 100644
> --- a/drivers/xen/gntalloc.c
> +++ b/drivers/xen/gntalloc.c
> @@ -48,6 +48,8 @@
> * grant operation.
> */
>
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/atomic.h>
> #include <linux/module.h>
> #include <linux/miscdevice.h>
> @@ -507,7 +509,7 @@ static int gntalloc_mmap(struct file *filp, struct vm_area_struct *vma)
> int rv, i;
>
> if (!(vma->vm_flags & VM_SHARED)) {
> - printk(KERN_ERR "%s: Mapping must be shared.\n", __func__);
> + pr_err("%s: Mapping must be shared\n", __func__);
> return -EINVAL;
> }
>
> @@ -584,7 +586,7 @@ static int __init gntalloc_init(void)
>
> err = misc_register(&gntalloc_miscdev);
> if (err != 0) {
> - printk(KERN_ERR "Could not register misc gntalloc device\n");
> + pr_err("Could not register misc gntalloc device\n");
> return err;
> }
>
> diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
> index 1112a267..938dcc1 100644
> --- a/drivers/xen/gntdev.c
> +++ b/drivers/xen/gntdev.c
> @@ -19,6 +19,8 @@
>
> #undef DEBUG
>
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/module.h>
> #include <linux/kernel.h>
> #include <linux/init.h>
> @@ -760,7 +762,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
> if (use_ptemod && map->vma)
> goto unlock_out;
> if (use_ptemod && priv->mm != vma->vm_mm) {
> - printk(KERN_WARNING "Huh? Other mm?\n");
> + pr_warn("Huh? Other mm?\n");
> goto unlock_out;
> }
>
> @@ -795,7 +797,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
> vma->vm_end - vma->vm_start,
> find_grant_ptes, map);
> if (err) {
> - printk(KERN_WARNING "find_grant_ptes() failure.\n");
> + pr_warn("find_grant_ptes() failure.\n");
> goto out_put_map;
> }
> }
> @@ -856,7 +858,7 @@ static int __init gntdev_init(void)
>
> err = misc_register(&gntdev_miscdev);
> if (err != 0) {
> - printk(KERN_ERR "Could not register gntdev device\n");
> + pr_err("Could not register gntdev device\n");
> return err;
> }
> return 0;
> diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
> index f4e067b..23533ae 100644
> --- a/drivers/xen/grant-table.c
> +++ b/drivers/xen/grant-table.c
> @@ -31,6 +31,8 @@
> * IN THE SOFTWARE.
> */
>
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/module.h>
> #include <linux/sched.h>
> #include <linux/mm.h>
> @@ -509,8 +511,7 @@ static void gnttab_handle_deferred(unsigned long unused)
> entry = NULL;
> } else {
> if (!--entry->warn_delay)
> - pr_info("g.e. %#x still pending\n",
> - entry->ref);
> + pr_info("g.e. %#x still pending\n", entry->ref);
> if (!first)
> first = entry;
> }
> @@ -839,7 +840,7 @@ gnttab_retry_eagain_gop(unsigned int cmd, void *gop, int16_t *status,
> } while ((*status == GNTST_eagain) && (delay < MAX_DELAY));
>
> if (delay >= MAX_DELAY) {
> - printk(KERN_ERR "%s: %s eagain grant\n", func, current->comm);
> + pr_err("%s: %s eagain grant\n", func, current->comm);
> *status = GNTST_bad_page;
> }
> }
> @@ -1069,8 +1070,8 @@ static int gnttab_map(unsigned int start_idx, unsigned int end_idx)
>
> rc = HYPERVISOR_memory_op(XENMEM_add_to_physmap, &xatp);
> if (rc != 0) {
> - printk(KERN_WARNING
> - "grant table add_to_physmap failed, err=%d\n", rc);
> + pr_warn("grant table add_to_physmap failed, err=%d\n",
> + rc);
> break;
> }
> } while (i-- > start_idx);
> @@ -1152,8 +1153,7 @@ static void gnttab_request_version(void)
> grefs_per_grant_frame = PAGE_SIZE / sizeof(struct grant_entry_v1);
> gnttab_interface = &gnttab_v1_ops;
> }
> - printk(KERN_INFO "Grant tables using version %d layout.\n",
> - grant_table_version);
> + pr_info("Grant tables using version %d layout\n", grant_table_version);
> }
>
> /*
> @@ -1208,8 +1208,7 @@ static int gnttab_setup(void)
> gnttab_shared.addr = xen_remap(xen_hvm_resume_frames,
> PAGE_SIZE * max_nr_gframes);
> if (gnttab_shared.addr == NULL) {
> - printk(KERN_WARNING
> - "Failed to ioremap gnttab share frames!");
> + pr_warn("Failed to ioremap gnttab share frames!\n");
> return -ENOMEM;
> }
> }
> diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
> index 412b96c..8680c48 100644
> --- a/drivers/xen/manage.c
> +++ b/drivers/xen/manage.c
> @@ -1,6 +1,9 @@
> /*
> * Handle extern requests for shutdown, reboot and sysrq
> */
> +
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/err.h>
> #include <linux/slab.h>
> @@ -73,8 +76,7 @@ static int xen_suspend(void *data)
>
> err = syscore_suspend();
> if (err) {
> - printk(KERN_ERR "xen_suspend: system core suspend failed: %d\n",
> - err);
> + pr_err("%s: system core suspend failed: %d\n", __func__, err);
> return err;
> }
>
> @@ -115,14 +117,14 @@ static void do_suspend(void)
> during suspend. */
> err = freeze_processes();
> if (err) {
> - printk(KERN_ERR "xen suspend: freeze failed %d\n", err);
> + pr_err("%s: freeze failed %d\n", __func__, err);
> goto out;
> }
> #endif
>
> err = dpm_suspend_start(PMSG_FREEZE);
> if (err) {
> - printk(KERN_ERR "xen suspend: dpm_suspend_start %d\n", err);
> + pr_err("%s: dpm_suspend_start %d\n", __func__, err);
> goto out_thaw;
> }
>
> @@ -131,7 +133,7 @@ static void do_suspend(void)
>
> err = dpm_suspend_end(PMSG_FREEZE);
> if (err) {
> - printk(KERN_ERR "dpm_suspend_end failed: %d\n", err);
> + pr_err("dpm_suspend_end failed: %d\n", err);
> si.cancelled = 0;
> goto out_resume;
> }
> @@ -153,7 +155,7 @@ static void do_suspend(void)
> dpm_resume_start(si.cancelled ? PMSG_THAW : PMSG_RESTORE);
>
> if (err) {
> - printk(KERN_ERR "failed to start xen_suspend: %d\n", err);
> + pr_err("failed to start xen_suspend: %d\n", err);
> si.cancelled = 1;
> }
>
> @@ -245,7 +247,7 @@ static void shutdown_handler(struct xenbus_watch *watch,
> if (handler->cb) {
> handler->cb();
> } else {
> - printk(KERN_INFO "Ignoring shutdown request: %s\n", str);
> + pr_info("Ignoring shutdown request: %s\n", str);
> shutting_down = SHUTDOWN_INVALID;
> }
>
> @@ -265,8 +267,7 @@ static void sysrq_handler(struct xenbus_watch *watch, const char **vec,
> if (err)
> return;
> if (!xenbus_scanf(xbt, "control", "sysrq", "%c", &sysrq_key)) {
> - printk(KERN_ERR "Unable to read sysrq code in "
> - "control/sysrq\n");
> + pr_err("Unable to read sysrq code in control/sysrq\n");
> xenbus_transaction_end(xbt, 1);
> return;
> }
> @@ -299,14 +300,14 @@ static int setup_shutdown_watcher(void)
>
> err = register_xenbus_watch(&shutdown_watch);
> if (err) {
> - printk(KERN_ERR "Failed to set shutdown watcher\n");
> + pr_err("Failed to set shutdown watcher\n");
> return err;
> }
>
> #ifdef CONFIG_MAGIC_SYSRQ
> err = register_xenbus_watch(&sysrq_watch);
> if (err) {
> - printk(KERN_ERR "Failed to set sysrq watcher\n");
> + pr_err("Failed to set sysrq watcher\n");
> return err;
> }
> #endif
> diff --git a/drivers/xen/mcelog.c b/drivers/xen/mcelog.c
> index 8feee08..6ab6a79 100644
> --- a/drivers/xen/mcelog.c
> +++ b/drivers/xen/mcelog.c
> @@ -32,6 +32,8 @@
> * IN THE SOFTWARE.
> */
>
> +#define pr_fmt(fmt) "xen_mcelog: " fmt
> +
> #include <linux/init.h>
> #include <linux/types.h>
> #include <linux/kernel.h>
> @@ -51,8 +53,6 @@
> #include <asm/xen/hypercall.h>
> #include <asm/xen/hypervisor.h>
>
> -#define XEN_MCELOG "xen_mcelog: "
> -
> static struct mc_info g_mi;
> static struct mcinfo_logical_cpu *g_physinfo;
> static uint32_t ncpus;
> @@ -227,7 +227,7 @@ static int convert_log(struct mc_info *mi)
> mic = NULL;
> x86_mcinfo_lookup(&mic, mi, MC_TYPE_GLOBAL);
> if (unlikely(!mic)) {
> - pr_warning(XEN_MCELOG "Failed to find global error info\n");
> + pr_warn("Failed to find global error info\n");
> return -ENODEV;
> }
>
> @@ -241,8 +241,7 @@ static int convert_log(struct mc_info *mi)
> if (g_physinfo[i].mc_apicid == m.apicid)
> break;
> if (unlikely(i == ncpus)) {
> - pr_warning(XEN_MCELOG "Failed to match cpu with apicid %d\n",
> - m.apicid);
> + pr_warn("Failed to match cpu with apicid %d\n", m.apicid);
> return -ENODEV;
> }
>
> @@ -254,7 +253,7 @@ static int convert_log(struct mc_info *mi)
> mic = NULL;
> x86_mcinfo_lookup(&mic, mi, MC_TYPE_BANK);
> if (unlikely(!mic)) {
> - pr_warning(XEN_MCELOG "Fail to find bank error info\n");
> + pr_warn("Fail to find bank error info\n");
> return -ENODEV;
> }
>
> @@ -295,9 +294,8 @@ static int mc_queue_handle(uint32_t flags)
> mc_op.u.mc_fetch.flags = flags;
> ret = HYPERVISOR_mca(&mc_op);
> if (ret) {
> - pr_err(XEN_MCELOG "Failed to fetch %s error log\n",
> - (flags == XEN_MC_URGENT) ?
> - "urgnet" : "nonurgent");
> + pr_err("Failed to fetch %surgent error log\n",
> + flags == XEN_MC_URGENT ? "" : "non");
> break;
> }
>
> @@ -307,15 +305,12 @@ static int mc_queue_handle(uint32_t flags)
> else {
> ret = convert_log(&g_mi);
> if (ret)
> - pr_warning(XEN_MCELOG
> - "Failed to convert this error log, "
> - "continue acking it anyway\n");
> + pr_warn("Failed to convert this error log, continue acking it anyway\n");
>
> mc_op.u.mc_fetch.flags = flags | XEN_MC_ACK;
> ret = HYPERVISOR_mca(&mc_op);
> if (ret) {
> - pr_err(XEN_MCELOG
> - "Failed to ack previous error log\n");
> + pr_err("Failed to ack previous error log\n");
> break;
> }
> }
> @@ -334,15 +329,12 @@ static void xen_mce_work_fn(struct work_struct *work)
> /* urgent mc_info */
> err = mc_queue_handle(XEN_MC_URGENT);
> if (err)
> - pr_err(XEN_MCELOG
> - "Failed to handle urgent mc_info queue, "
> - "continue handling nonurgent mc_info queue anyway.\n");
> + pr_err("Failed to handle urgent mc_info queue, continue handling nonurgent mc_info queue anyway\n");
>
> /* nonurgent mc_info */
> err = mc_queue_handle(XEN_MC_NONURGENT);
> if (err)
> - pr_err(XEN_MCELOG
> - "Failed to handle nonurgent mc_info queue.\n");
> + pr_err("Failed to handle nonurgent mc_info queue\n");
>
> /* wake processes polling /dev/mcelog */
> wake_up_interruptible(&xen_mce_chrdev_wait);
> @@ -370,7 +362,7 @@ static int bind_virq_for_mce(void)
> set_xen_guest_handle(mc_op.u.mc_physcpuinfo.info, g_physinfo);
> ret = HYPERVISOR_mca(&mc_op);
> if (ret) {
> - pr_err(XEN_MCELOG "Failed to get CPU numbers\n");
> + pr_err("Failed to get CPU numbers\n");
> return ret;
> }
>
> @@ -383,7 +375,7 @@ static int bind_virq_for_mce(void)
> set_xen_guest_handle(mc_op.u.mc_physcpuinfo.info, g_physinfo);
> ret = HYPERVISOR_mca(&mc_op);
> if (ret) {
> - pr_err(XEN_MCELOG "Failed to get CPU info\n");
> + pr_err("Failed to get CPU info\n");
> kfree(g_physinfo);
> return ret;
> }
> @@ -391,7 +383,7 @@ static int bind_virq_for_mce(void)
> ret = bind_virq_to_irqhandler(VIRQ_MCA, 0,
> xen_mce_interrupt, 0, "mce", NULL);
> if (ret < 0) {
> - pr_err(XEN_MCELOG "Failed to bind virq\n");
> + pr_err("Failed to bind virq\n");
> kfree(g_physinfo);
> return ret;
> }
> diff --git a/drivers/xen/pcpu.c b/drivers/xen/pcpu.c
> index 6536d5a..79e1dff 100644
> --- a/drivers/xen/pcpu.c
> +++ b/drivers/xen/pcpu.c
> @@ -31,6 +31,8 @@
> * IN THE SOFTWARE.
> */
>
> +#define pr_fmt(fmt) "xen_cpu: " fmt
> +
> #include <linux/interrupt.h>
> #include <linux/spinlock.h>
> #include <linux/cpu.h>
> @@ -44,7 +46,6 @@
> #include <asm/xen/hypervisor.h>
> #include <asm/xen/hypercall.h>
>
> -#define XEN_PCPU "xen_cpu: "
>
> /*
> * @cpu_id: Xen physical cpu logic number
> @@ -242,8 +243,7 @@ static struct pcpu *create_and_register_pcpu(struct xenpf_pcpuinfo *info)
>
> err = register_pcpu(pcpu);
> if (err) {
> - pr_warning(XEN_PCPU "Failed to register pcpu%u\n",
> - info->xen_cpuid);
> + pr_warn("Failed to register pcpu%u\n", info->xen_cpuid);
> return ERR_PTR(-ENOENT);
> }
>
> @@ -378,19 +378,19 @@ static int __init xen_pcpu_init(void)
> xen_pcpu_interrupt, 0,
> "xen-pcpu", NULL);
> if (irq < 0) {
> - pr_warning(XEN_PCPU "Failed to bind pcpu virq\n");
> + pr_warn("Failed to bind pcpu virq\n");
> return irq;
> }
>
> ret = subsys_system_register(&xen_pcpu_subsys, NULL);
> if (ret) {
> - pr_warning(XEN_PCPU "Failed to register pcpu subsys\n");
> + pr_warn("Failed to register pcpu subsys\n");
> goto err1;
> }
>
> ret = xen_sync_pcpus();
> if (ret) {
> - pr_warning(XEN_PCPU "Failed to sync pcpu info\n");
> + pr_warn("Failed to sync pcpu info\n");
> goto err2;
> }
>
> diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
> index 2cfc24d..f8e5dd7 100644
> --- a/drivers/xen/privcmd.c
> +++ b/drivers/xen/privcmd.c
> @@ -6,6 +6,8 @@
> * Copyright (c) 2002-2004, K A Fraser, B Dragovic
> */
>
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/module.h>
> #include <linux/sched.h>
> @@ -565,7 +567,7 @@ static int __init privcmd_init(void)
>
> err = misc_register(&privcmd_dev);
> if (err != 0) {
> - printk(KERN_ERR "Could not register Xen privcmd device\n");
> + pr_err("Could not register Xen privcmd device\n");
> return err;
> }
> return 0;
> diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
> index 1d94316..aadffcf 100644
> --- a/drivers/xen/swiotlb-xen.c
> +++ b/drivers/xen/swiotlb-xen.c
> @@ -33,6 +33,8 @@
> *
> */
>
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/bootmem.h>
> #include <linux/dma-mapping.h>
> #include <linux/export.h>
> @@ -202,8 +204,8 @@ retry:
> order--;
> }
> if (order != get_order(bytes)) {
> - pr_warn("Warning: only able to allocate %ld MB "
> - "for software IO TLB\n", (PAGE_SIZE << order) >> 20);
> + pr_warn("Warning: only able to allocate %ld MB for software IO TLB\n",
> + (PAGE_SIZE << order) >> 20);
> xen_io_tlb_nslabs = SLABS_PER_PAGE << order;
> bytes = xen_io_tlb_nslabs << IO_TLB_SHIFT;
> }
> @@ -242,11 +244,11 @@ error:
> if (repeat--) {
> xen_io_tlb_nslabs = max(1024UL, /* Min is 2MB */
> (xen_io_tlb_nslabs >> 1));
> - printk(KERN_INFO "Xen-SWIOTLB: Lowering to %luMB\n",
> - (xen_io_tlb_nslabs << IO_TLB_SHIFT) >> 20);
> + pr_info("Lowering to %luMB\n",
> + (xen_io_tlb_nslabs << IO_TLB_SHIFT) >> 20);
> goto retry;
> }
> - pr_err("%s (rc:%d)", xen_swiotlb_error(m_ret), rc);
> + pr_err("%s (rc:%d)\n", xen_swiotlb_error(m_ret), rc);
> if (early)
> panic("%s (rc:%d)", xen_swiotlb_error(m_ret), rc);
> else
> diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c
> index 0f0493c..83b5c53 100644
> --- a/drivers/xen/tmem.c
> +++ b/drivers/xen/tmem.c
> @@ -5,6 +5,8 @@
> * Author: Dan Magenheimer
> */
>
> +#define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
> +
> #include <linux/module.h>
> #include <linux/kernel.h>
> #include <linux/types.h>
> @@ -388,8 +390,8 @@ static int xen_tmem_init(void)
> return PTR_ERR(old_ops);
> s = " (WARNING: frontswap_ops overridden)";
> }
> - printk(KERN_INFO "frontswap enabled, RAM provided by "
> - "Xen Transcendent Memory%s\n", s);
> + pr_info("frontswap enabled, RAM provided by Xen Transcendent Memory%s\n",
> + s);
> }
> #endif
> #ifdef CONFIG_CLEANCACHE
> @@ -400,8 +402,8 @@ static int xen_tmem_init(void)
> cleancache_register_ops(&tmem_cleancache_ops);
> if (old_ops)
> s = " (WARNING: cleancache_ops overridden)";
> - printk(KERN_INFO "cleancache enabled, RAM provided by "
> - "Xen Transcendent Memory%s\n", s);
> + pr_info("cleancache enabled, RAM provided by Xen Transcendent Memory%s\n",
> + s);
> }
> #endif
> #ifdef CONFIG_XEN_SELFBALLOONING
> diff --git a/drivers/xen/xen-acpi-cpuhotplug.c b/drivers/xen/xen-acpi-cpuhotplug.c
> index b7d5d95..8dae6c1 100644
> --- a/drivers/xen/xen-acpi-cpuhotplug.c
> +++ b/drivers/xen/xen-acpi-cpuhotplug.c
> @@ -15,6 +15,8 @@
> * details.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/module.h>
> #include <linux/init.h>
> diff --git a/drivers/xen/xen-acpi-memhotplug.c b/drivers/xen/xen-acpi-memhotplug.c
> index faef5b3..9083f1e 100644
> --- a/drivers/xen/xen-acpi-memhotplug.c
> +++ b/drivers/xen/xen-acpi-memhotplug.c
> @@ -15,6 +15,8 @@
> * details.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/module.h>
> #include <linux/init.h>
> diff --git a/drivers/xen/xen-acpi-pad.c b/drivers/xen/xen-acpi-pad.c
> index c763479..59708fd 100644
> --- a/drivers/xen/xen-acpi-pad.c
> +++ b/drivers/xen/xen-acpi-pad.c
> @@ -14,6 +14,8 @@
> * more details.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/types.h>
> #include <acpi/acpi_bus.h>
> diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
> index 8abd7d5..13bc6c3 100644
> --- a/drivers/xen/xen-acpi-processor.c
> +++ b/drivers/xen/xen-acpi-processor.c
> @@ -17,6 +17,8 @@
> *
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/cpumask.h>
> #include <linux/cpufreq.h>
> #include <linux/freezer.h>
> @@ -34,8 +36,6 @@
> #include <xen/interface/platform.h>
> #include <asm/xen/hypercall.h>
>
> -#define DRV_NAME "xen-acpi-processor: "
> -
> static int no_hypercall;
> MODULE_PARM_DESC(off, "Inhibit the hypercall.");
> module_param_named(off, no_hypercall, int, 0400);
> @@ -104,7 +104,7 @@ static int push_cxx_to_hypervisor(struct acpi_processor *_pr)
> set_xen_guest_handle(dst_cx->dp, NULL);
> }
> if (!ok) {
> - pr_debug(DRV_NAME "No _Cx for ACPI CPU %u\n", _pr->acpi_id);
> + pr_debug("No _Cx for ACPI CPU %u\n", _pr->acpi_id);
> kfree(dst_cx_states);
> return -EINVAL;
> }
> @@ -133,7 +133,7 @@ static int push_cxx_to_hypervisor(struct acpi_processor *_pr)
> /* EINVAL means the ACPI ID is incorrect - meaning the ACPI
> * table is referencing a non-existing CPU - which can happen
> * with broken ACPI tables. */
> - pr_err(DRV_NAME "(CX): Hypervisor error (%d) for ACPI CPU%u\n",
> + pr_err("(CX): Hypervisor error (%d) for ACPI CPU%u\n",
> ret, _pr->acpi_id);
>
> kfree(dst_cx_states);
> @@ -239,7 +239,7 @@ static int push_pxx_to_hypervisor(struct acpi_processor *_pr)
> dst_perf->flags |= XEN_PX_PSD;
>
> if (dst_perf->flags != (XEN_PX_PSD | XEN_PX_PSS | XEN_PX_PCT | XEN_PX_PPC)) {
> - pr_warn(DRV_NAME "ACPI CPU%u missing some P-state data (%x), skipping.\n",
> + pr_warn("ACPI CPU%u missing some P-state data (%x), skipping\n",
> _pr->acpi_id, dst_perf->flags);
> ret = -ENODEV;
> goto err_free;
> @@ -265,8 +265,8 @@ static int push_pxx_to_hypervisor(struct acpi_processor *_pr)
> /* EINVAL means the ACPI ID is incorrect - meaning the ACPI
> * table is referencing a non-existing CPU - which can happen
> * with broken ACPI tables. */
> - pr_warn(DRV_NAME "(_PXX): Hypervisor error (%d) for ACPI CPU%u\n",
> - ret, _pr->acpi_id);
> + pr_warn("(_PXX): Hypervisor error (%d) for ACPI CPU%u\n",
> + ret, _pr->acpi_id);
> err_free:
> if (!IS_ERR_OR_NULL(dst_states))
> kfree(dst_states);
> @@ -318,7 +318,7 @@ static unsigned int __init get_max_acpi_id(void)
> max_acpi_id = max(info->acpi_id, max_acpi_id);
> }
> max_acpi_id *= 2; /* Slack for CPU hotplug support. */
> - pr_debug(DRV_NAME "Max ACPI ID: %u\n", max_acpi_id);
> + pr_debug("Max ACPI ID: %u\n", max_acpi_id);
> return max_acpi_id;
> }
> /*
> @@ -365,15 +365,14 @@ read_acpi_id(acpi_handle handle, u32 lvl, void *context, void **rv)
> /* There are more ACPI Processor objects than in x2APIC or MADT.
> * This can happen with incorrect ACPI SSDT declerations. */
> if (acpi_id > nr_acpi_bits) {
> - pr_debug(DRV_NAME "We only have %u, trying to set %u\n",
> + pr_debug("We only have %u, trying to set %u\n",
> nr_acpi_bits, acpi_id);
> return AE_OK;
> }
> /* OK, There is a ACPI Processor object */
> __set_bit(acpi_id, acpi_id_present);
>
> - pr_debug(DRV_NAME "ACPI CPU%u w/ PBLK:0x%lx\n", acpi_id,
> - (unsigned long)pblk);
> + pr_debug("ACPI CPU%u w/ PBLK:0x%lx\n", acpi_id, (unsigned long)pblk);
>
> status = acpi_evaluate_object(handle, "_CST", NULL, &buffer);
> if (ACPI_FAILURE(status)) {
> @@ -476,7 +475,7 @@ static int xen_upload_processor_pm_data(void)
> unsigned int i;
> int rc = 0;
>
> - pr_info(DRV_NAME "Uploading Xen processor PM info\n");
> + pr_info("Uploading Xen processor PM info\n");
>
> for_each_possible_cpu(i) {
> struct acpi_processor *_pr;
> @@ -523,7 +522,7 @@ static int __init xen_acpi_processor_init(void)
>
> acpi_perf_data = alloc_percpu(struct acpi_processor_performance);
> if (!acpi_perf_data) {
> - pr_debug(DRV_NAME "Memory allocation error for acpi_perf_data.\n");
> + pr_debug("Memory allocation error for acpi_perf_data\n");
> kfree(acpi_ids_done);
> return -ENOMEM;
> }
> diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c
> index 8f37e23..e555845 100644
> --- a/drivers/xen/xen-balloon.c
> +++ b/drivers/xen/xen-balloon.c
> @@ -30,6 +30,8 @@
> * IN THE SOFTWARE.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/module.h>
> #include <linux/capability.h>
> @@ -81,7 +83,7 @@ static int balloon_init_watcher(struct notifier_block *notifier,
>
> err = register_xenbus_watch(&target_watch);
> if (err)
> - printk(KERN_ERR "Failed to set balloon watcher\n");
> + pr_err("Failed to set balloon watcher\n");
>
> return NOTIFY_DONE;
> }
> @@ -95,7 +97,7 @@ static int __init balloon_init(void)
> if (!xen_domain())
> return -ENODEV;
>
> - pr_info("xen-balloon: Initialising balloon driver.\n");
> + pr_info("Initialising balloon driver\n");
>
> register_balloon(&balloon_dev);
>
> diff --git a/drivers/xen/xen-pciback/conf_space_header.c b/drivers/xen/xen-pciback/conf_space_header.c
> index 3daf862..c5ee825 100644
> --- a/drivers/xen/xen-pciback/conf_space_header.c
> +++ b/drivers/xen/xen-pciback/conf_space_header.c
> @@ -4,6 +4,8 @@
> * Author: Ryan Wilson <hap9@...ch.ncsc.mil>
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/pci.h>
> #include "pciback.h"
> @@ -75,10 +77,8 @@ static int command_write(struct pci_dev *dev, int offset, u16 value, void *data)
> pci_name(dev));
> err = pci_set_mwi(dev);
> if (err) {
> - printk(KERN_WARNING
> - DRV_NAME ": %s: cannot enable "
> - "memory-write-invalidate (%d)\n",
> - pci_name(dev), err);
> + pr_warn("%s: cannot enable memory-write-invalidate (%d)\n",
> + pci_name(dev), err);
> value &= ~PCI_COMMAND_INVALIDATE;
> }
> }
> @@ -91,7 +91,7 @@ static int rom_write(struct pci_dev *dev, int offset, u32 value, void *data)
> struct pci_bar_info *bar = data;
>
> if (unlikely(!bar)) {
> - printk(KERN_WARNING DRV_NAME ": driver data not found for %s\n",
> + pr_warn(DRV_NAME ": driver data not found for %s\n",
> pci_name(dev));
> return XEN_PCI_ERR_op_failed;
> }
> @@ -125,7 +125,7 @@ static int bar_write(struct pci_dev *dev, int offset, u32 value, void *data)
> struct pci_bar_info *bar = data;
>
> if (unlikely(!bar)) {
> - printk(KERN_WARNING DRV_NAME ": driver data not found for %s\n",
> + pr_warn(DRV_NAME ": driver data not found for %s\n",
> pci_name(dev));
> return XEN_PCI_ERR_op_failed;
> }
> @@ -153,7 +153,7 @@ static int bar_read(struct pci_dev *dev, int offset, u32 * value, void *data)
> struct pci_bar_info *bar = data;
>
> if (unlikely(!bar)) {
> - printk(KERN_WARNING DRV_NAME ": driver data not found for %s\n",
> + pr_warn(DRV_NAME ": driver data not found for %s\n",
> pci_name(dev));
> return XEN_PCI_ERR_op_failed;
> }
> @@ -375,7 +375,7 @@ int xen_pcibk_config_header_add_fields(struct pci_dev *dev)
>
> default:
> err = -EINVAL;
> - printk(KERN_ERR DRV_NAME ": %s: Unsupported header type %d!\n",
> + pr_err("%s: Unsupported header type %d!\n",
> pci_name(dev), dev->hdr_type);
> break;
> }
> diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c
> index 0020899..62fcd48 100644
> --- a/drivers/xen/xen-pciback/pci_stub.c
> +++ b/drivers/xen/xen-pciback/pci_stub.c
> @@ -4,6 +4,9 @@
> * Ryan Wilson <hap9@...ch.ncsc.mil>
> * Chris Bookholt <hap10@...ch.ncsc.mil>
> */
> +
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/module.h>
> #include <linux/init.h>
> #include <linux/rwsem.h>
> @@ -425,8 +428,6 @@ static int __init pcistub_init_devices_late(void)
> unsigned long flags;
> int err = 0;
>
> - pr_debug(DRV_NAME ": pcistub_init_devices_late\n");
> -
> spin_lock_irqsave(&pcistub_devices_lock, flags);
>
> while (!list_empty(&seized_devices)) {
> @@ -544,15 +545,11 @@ static void pcistub_remove(struct pci_dev *dev)
> found_psdev->pdev);
>
> if (found_psdev->pdev) {
> - printk(KERN_WARNING DRV_NAME ": ****** removing device "
> - "%s while still in-use! ******\n",
> + pr_warn("****** removing device %s while still in-use! ******\n",
> pci_name(found_psdev->dev));
> - printk(KERN_WARNING DRV_NAME ": ****** driver domain may"
> - " still access this device's i/o resources!\n");
> - printk(KERN_WARNING DRV_NAME ": ****** shutdown driver "
> - "domain before binding device\n");
> - printk(KERN_WARNING DRV_NAME ": ****** to other drivers "
> - "or domains\n");
> + pr_warn("****** driver domain may still access this device's i/o resources!\n");
> + pr_warn("****** shutdown driver domain before binding device\n");
> + pr_warn("****** to other drivers or domains\n");
>
> xen_pcibk_release_pci_dev(found_psdev->pdev,
> found_psdev->dev);
> @@ -1018,7 +1015,7 @@ static int pcistub_device_id_add(int domain, int bus, int slot, int func)
> pci_dev_id->bus = bus;
> pci_dev_id->devfn = devfn;
>
> - pr_debug(DRV_NAME ": wants to seize %04x:%02x:%02x.%d\n",
> + pr_debug("wants to seize %04x:%02x:%02x.%d\n",
> domain, bus, slot, func);
>
> spin_lock_irqsave(&device_ids_lock, flags);
> @@ -1048,8 +1045,8 @@ static int pcistub_device_id_remove(int domain, int bus, int slot, int func)
>
> err = 0;
>
> - pr_debug(DRV_NAME ": removed %04x:%02x:%02x.%d from "
> - "seize list\n", domain, bus, slot, func);
> + pr_debug("removed %04x:%02x:%02x.%d from seize list\n",
> + domain, bus, slot, func);
> }
> }
> spin_unlock_irqrestore(&device_ids_lock, flags);
> @@ -1474,7 +1471,7 @@ out:
> return err;
>
> parse_error:
> - printk(KERN_ERR DRV_NAME ": Error parsing pci_devs_to_hide at \"%s\"\n",
> + pr_err("Error parsing pci_devs_to_hide at \"%s\"\n",
> pci_devs_to_hide + pos);
> return -EINVAL;
> }
> diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c
> index b98cf0c..64eb0cd 100644
> --- a/drivers/xen/xen-pciback/pciback_ops.c
> +++ b/drivers/xen/xen-pciback/pciback_ops.c
> @@ -3,6 +3,9 @@
> *
> * Author: Ryan Wilson <hap9@...ch.ncsc.mil>
> */
> +
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/module.h>
> #include <linux/wait.h>
> #include <linux/bitops.h>
> @@ -144,7 +147,7 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev,
> status = pci_enable_msi(dev);
>
> if (status) {
> - pr_warn_ratelimited(DRV_NAME ": %s: error enabling MSI for guest %u: err %d\n",
> + pr_warn_ratelimited("%s: error enabling MSI for guest %u: err %d\n",
> pci_name(dev), pdev->xdev->otherend_id,
> status);
> op->value = 0;
> @@ -225,7 +228,7 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev,
> op->msix_entries[i].vector);
> }
> } else
> - pr_warn_ratelimited(DRV_NAME ": %s: error enabling MSI-X for guest %u: err %d!\n",
> + pr_warn_ratelimited("%s: error enabling MSI-X for guest %u: err %d!\n",
> pci_name(dev), pdev->xdev->otherend_id,
> result);
> kfree(entries);
> @@ -372,7 +375,7 @@ static irqreturn_t xen_pcibk_guest_interrupt(int irq, void *dev_id)
> dev_data->handled++;
> if ((dev_data->handled % 1000) == 0) {
> if (xen_test_irq_shared(irq)) {
> - printk(KERN_INFO "%s IRQ line is not shared "
> + pr_info("%s IRQ line is not shared "
> "with other domains. Turning ISR off\n",
> dev_data->irq_name);
> dev_data->ack_intr = 0;
> diff --git a/drivers/xen/xen-pciback/vpci.c b/drivers/xen/xen-pciback/vpci.c
> index 0f478ac..3165ce3 100644
> --- a/drivers/xen/xen-pciback/vpci.c
> +++ b/drivers/xen/xen-pciback/vpci.c
> @@ -5,6 +5,8 @@
> * Author: Ryan Wilson <hap9@...ch.ncsc.mil>
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/list.h>
> #include <linux/slab.h>
> #include <linux/pci.h>
> @@ -102,8 +104,7 @@ static int __xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev,
> struct pci_dev_entry, list);
>
> if (match_slot(dev, t->dev)) {
> - pr_info(DRV_NAME ": vpci: %s: "
> - "assign to virtual slot %d func %d\n",
> + pr_info("vpci: %s: assign to virtual slot %d func %d\n",
> pci_name(dev), slot,
> PCI_FUNC(dev->devfn));
> list_add_tail(&dev_entry->list,
> @@ -117,9 +118,8 @@ static int __xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev,
> /* Assign to a new slot on the virtual PCI bus */
> for (slot = 0; slot < PCI_SLOT_MAX; slot++) {
> if (list_empty(&vpci_dev->dev_list[slot])) {
> - printk(KERN_INFO DRV_NAME
> - ": vpci: %s: assign to virtual slot %d\n",
> - pci_name(dev), slot);
> + pr_info("vpci: %s: assign to virtual slot %d\n",
> + pci_name(dev), slot);
> list_add_tail(&dev_entry->list,
> &vpci_dev->dev_list[slot]);
> func = dev->is_virtfn ? 0 : PCI_FUNC(dev->devfn);
> diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
> index 64b11f9..a9ed867 100644
> --- a/drivers/xen/xen-pciback/xenbus.c
> +++ b/drivers/xen/xen-pciback/xenbus.c
> @@ -3,6 +3,9 @@
> *
> * Author: Ryan Wilson <hap9@...ch.ncsc.mil>
> */
> +
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/module.h>
> #include <linux/init.h>
> #include <linux/list.h>
> @@ -723,14 +726,13 @@ int __init xen_pcibk_xenbus_register(void)
> {
> xen_pcibk_wq = create_workqueue("xen_pciback_workqueue");
> if (!xen_pcibk_wq) {
> - printk(KERN_ERR "%s: create"
> - "xen_pciback_workqueue failed\n", __func__);
> + pr_err("%s: create xen_pciback_workqueue failed\n", __func__);
> return -EFAULT;
> }
> xen_pcibk_backend = &xen_pcibk_vpci_backend;
> if (passthrough)
> xen_pcibk_backend = &xen_pcibk_passthrough_backend;
> - pr_info(DRV_NAME ": backend is %s\n", xen_pcibk_backend->name);
> + pr_info("backend is %s\n", xen_pcibk_backend->name);
> return xenbus_register_backend(&xen_pcibk_driver);
> }
>
> diff --git a/drivers/xen/xen-selfballoon.c b/drivers/xen/xen-selfballoon.c
> index f70984a8..02817a8 100644
> --- a/drivers/xen/xen-selfballoon.c
> +++ b/drivers/xen/xen-selfballoon.c
> @@ -64,6 +64,8 @@
> *
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/bootmem.h>
> #include <linux/swap.h>
> @@ -510,22 +512,19 @@ int xen_selfballoon_init(bool use_selfballooning, bool use_frontswap_selfshrink)
> return -ENODEV;
>
> if (xen_initial_domain()) {
> - pr_info("xen/balloon: Xen selfballooning driver "
> - "disabled for domain0.\n");
> + pr_info("Xen selfballooning driver disabled for domain0\n");
> return -ENODEV;
> }
>
> xen_selfballooning_enabled = tmem_enabled && use_selfballooning;
> if (xen_selfballooning_enabled) {
> - pr_info("xen/balloon: Initializing Xen "
> - "selfballooning driver.\n");
> + pr_info("Initializing Xen selfballooning driver\n");
> enable = true;
> }
> #ifdef CONFIG_FRONTSWAP
> frontswap_selfshrinking = tmem_enabled && use_frontswap_selfshrink;
> if (frontswap_selfshrinking) {
> - pr_info("xen/balloon: Initializing frontswap "
> - "selfshrinking driver.\n");
> + pr_info("Initializing frontswap selfshrinking driver\n");
> enable = true;
> }
> #endif
> diff --git a/drivers/xen/xenbus/xenbus_comms.c b/drivers/xen/xenbus/xenbus_comms.c
> index c5aa55c..fdb0f33 100644
> --- a/drivers/xen/xenbus/xenbus_comms.c
> +++ b/drivers/xen/xenbus/xenbus_comms.c
> @@ -30,6 +30,8 @@
> * IN THE SOFTWARE.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/wait.h>
> #include <linux/interrupt.h>
> #include <linux/sched.h>
> @@ -205,13 +207,12 @@ int xb_init_comms(void)
> struct xenstore_domain_interface *intf = xen_store_interface;
>
> if (intf->req_prod != intf->req_cons)
> - printk(KERN_ERR "XENBUS request ring is not quiescent "
> - "(%08x:%08x)!\n", intf->req_cons, intf->req_prod);
> + pr_err("request ring is not quiescent (%08x:%08x)!\n",
> + intf->req_cons, intf->req_prod);
>
> if (intf->rsp_prod != intf->rsp_cons) {
> - printk(KERN_WARNING "XENBUS response ring is not quiescent "
> - "(%08x:%08x): fixing up\n",
> - intf->rsp_cons, intf->rsp_prod);
> + pr_warn("response ring is not quiescent (%08x:%08x): fixing up\n",
> + intf->rsp_cons, intf->rsp_prod);
> /* breaks kdump */
> if (!reset_devices)
> intf->rsp_cons = intf->rsp_prod;
> @@ -225,7 +226,7 @@ int xb_init_comms(void)
> err = bind_evtchn_to_irqhandler(xen_store_evtchn, wake_waiting,
> 0, "xenbus", &xb_waitq);
> if (err < 0) {
> - printk(KERN_ERR "XENBUS request irq failed %i\n", err);
> + pr_err("request irq failed %i\n", err);
> return err;
> }
>
> diff --git a/drivers/xen/xenbus/xenbus_dev_backend.c b/drivers/xen/xenbus/xenbus_dev_backend.c
> index a6f42fc0..b17707e 100644
> --- a/drivers/xen/xenbus/xenbus_dev_backend.c
> +++ b/drivers/xen/xenbus/xenbus_dev_backend.c
> @@ -1,3 +1,5 @@
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/slab.h>
> #include <linux/types.h>
> #include <linux/mm.h>
> @@ -127,7 +129,7 @@ static int __init xenbus_backend_init(void)
>
> err = misc_register(&xenbus_backend_dev);
> if (err)
> - printk(KERN_ERR "Could not register xenbus backend device\n");
> + pr_err("Could not register xenbus backend device\n");
> return err;
> }
>
> diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
> index ac72702..85534ea 100644
> --- a/drivers/xen/xenbus/xenbus_dev_frontend.c
> +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
> @@ -35,6 +35,8 @@
> * Turned xenfs into a loadable module.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/errno.h>
> #include <linux/uio.h>
> @@ -616,7 +618,7 @@ static int __init xenbus_init(void)
>
> err = misc_register(&xenbus_dev);
> if (err)
> - printk(KERN_ERR "Could not register xenbus frontend device\n");
> + pr_err("Could not register xenbus frontend device\n");
> return err;
> }
>
> diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
> index 8c9db16..38e92b7 100644
> --- a/drivers/xen/xenbus/xenbus_probe.c
> +++ b/drivers/xen/xenbus/xenbus_probe.c
> @@ -30,6 +30,8 @@
> * IN THE SOFTWARE.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #define DPRINTK(fmt, args...) \
> pr_debug("xenbus_probe (%s:%d) " fmt ".\n", \
> __func__, __LINE__, ##args)
> @@ -280,15 +282,15 @@ void xenbus_dev_shutdown(struct device *_dev)
>
> get_device(&dev->dev);
> if (dev->state != XenbusStateConnected) {
> - printk(KERN_INFO "%s: %s: %s != Connected, skipping\n", __func__,
> - dev->nodename, xenbus_strstate(dev->state));
> + pr_info("%s: %s: %s != Connected, skipping\n",
> + __func__, dev->nodename, xenbus_strstate(dev->state));
> goto out;
> }
> xenbus_switch_state(dev, XenbusStateClosing);
> timeout = wait_for_completion_timeout(&dev->down, timeout);
> if (!timeout)
> - printk(KERN_INFO "%s: %s timeout closing device\n",
> - __func__, dev->nodename);
> + pr_info("%s: %s timeout closing device\n",
> + __func__, dev->nodename);
> out:
> put_device(&dev->dev);
> }
> @@ -579,8 +581,7 @@ int xenbus_dev_suspend(struct device *dev)
> if (drv->suspend)
> err = drv->suspend(xdev);
> if (err)
> - printk(KERN_WARNING
> - "xenbus: suspend %s failed: %i\n", dev_name(dev), err);
> + pr_warn("suspend %s failed: %i\n", dev_name(dev), err);
> return 0;
> }
> EXPORT_SYMBOL_GPL(xenbus_dev_suspend);
> @@ -599,9 +600,8 @@ int xenbus_dev_resume(struct device *dev)
> drv = to_xenbus_driver(dev->driver);
> err = talk_to_otherend(xdev);
> if (err) {
> - printk(KERN_WARNING
> - "xenbus: resume (talk_to_otherend) %s failed: %i\n",
> - dev_name(dev), err);
> + pr_warn("resume (talk_to_otherend) %s failed: %i\n",
> + dev_name(dev), err);
> return err;
> }
>
> @@ -610,18 +610,15 @@ int xenbus_dev_resume(struct device *dev)
> if (drv->resume) {
> err = drv->resume(xdev);
> if (err) {
> - printk(KERN_WARNING
> - "xenbus: resume %s failed: %i\n",
> - dev_name(dev), err);
> + pr_warn("resume %s failed: %i\n", dev_name(dev), err);
> return err;
> }
> }
>
> err = watch_otherend(xdev);
> if (err) {
> - printk(KERN_WARNING
> - "xenbus_probe: resume (watch_otherend) %s failed: "
> - "%d.\n", dev_name(dev), err);
> + pr_warn("resume (watch_otherend) %s failed: %d.\n",
> + dev_name(dev), err);
> return err;
> }
>
> @@ -776,8 +773,7 @@ static int __init xenbus_init(void)
> /* Initialize the interface to xenstore. */
> err = xs_init();
> if (err) {
> - printk(KERN_WARNING
> - "XENBUS: Error initializing xenstore comms: %i\n", err);
> + pr_warn("Error initializing xenstore comms: %i\n", err);
> goto out_error;
> }
>
> diff --git a/drivers/xen/xenbus/xenbus_probe_backend.c b/drivers/xen/xenbus/xenbus_probe_backend.c
> index 257be37..998bbba 100644
> --- a/drivers/xen/xenbus/xenbus_probe_backend.c
> +++ b/drivers/xen/xenbus/xenbus_probe_backend.c
> @@ -31,9 +31,11 @@
> * IN THE SOFTWARE.
> */
>
> -#define DPRINTK(fmt, args...) \
> - pr_debug("xenbus_probe (%s:%d) " fmt ".\n", \
> - __func__, __LINE__, ##args)
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> +#define DPRINTK(fmt, ...) \
> + pr_debug("(%s:%d) " fmt "\n", \
> + __func__, __LINE__, ##__VA_ARGS__)
>
> #include <linux/kernel.h>
> #include <linux/err.h>
> diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c
> index a7e2507..6ed8a9d 100644
> --- a/drivers/xen/xenbus/xenbus_probe_frontend.c
> +++ b/drivers/xen/xenbus/xenbus_probe_frontend.c
> @@ -1,6 +1,8 @@
> -#define DPRINTK(fmt, args...) \
> - pr_debug("xenbus_probe (%s:%d) " fmt ".\n", \
> - __func__, __LINE__, ##args)
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> +#define DPRINTK(fmt, ...) \
> + pr_debug("(%s:%d) " fmt "\n", \
> + __func__, __LINE__, ##__VA_ARGS__)
>
> #include <linux/kernel.h>
> #include <linux/err.h>
> @@ -36,13 +38,13 @@ static int frontend_bus_id(char bus_id[XEN_BUS_ID_SIZE], const char *nodename)
> {
> nodename = strchr(nodename, '/');
> if (!nodename || strlen(nodename + 1) >= XEN_BUS_ID_SIZE) {
> - printk(KERN_WARNING "XENBUS: bad frontend %s\n", nodename);
> + pr_warn("bad frontend %s\n", nodename);
> return -EINVAL;
> }
>
> strlcpy(bus_id, nodename + 1, XEN_BUS_ID_SIZE);
> if (!strchr(bus_id, '/')) {
> - printk(KERN_WARNING "XENBUS: bus_id %s no slash\n", bus_id);
> + pr_warn("bus_id %s no slash\n", bus_id);
> return -EINVAL;
> }
> *strchr(bus_id, '/') = '-';
> @@ -234,15 +236,13 @@ static int print_device_status(struct device *dev, void *data)
>
> if (!dev->driver) {
> /* Information only: is this too noisy? */
> - printk(KERN_INFO "XENBUS: Device with no driver: %s\n",
> - xendev->nodename);
> + pr_info("Device with no driver: %s\n", xendev->nodename);
> } else if (xendev->state < XenbusStateConnected) {
> enum xenbus_state rstate = XenbusStateUnknown;
> if (xendev->otherend)
> rstate = xenbus_read_driver_state(xendev->otherend);
> - printk(KERN_WARNING "XENBUS: Timeout connecting "
> - "to device: %s (local state %d, remote state %d)\n",
> - xendev->nodename, xendev->state, rstate);
> + pr_warn("Timeout connecting to device: %s (local state %d, remote state %d)\n",
> + xendev->nodename, xendev->state, rstate);
> }
>
> return 0;
> @@ -256,12 +256,13 @@ static bool wait_loop(unsigned long start, unsigned int max_delay,
> {
> if (time_after(jiffies, start + (*seconds_waited+5)*HZ)) {
> if (!*seconds_waited)
> - printk(KERN_WARNING "XENBUS: Waiting for "
> - "devices to initialise: ");
> + pr_warn("Waiting for devices to initialise: ");
> *seconds_waited += 5;
> - printk("%us...", max_delay - *seconds_waited);
> - if (*seconds_waited == max_delay)
> + pr_cont("%us...", max_delay - *seconds_waited);
> + if (*seconds_waited == max_delay) {
> + pr_cont("\n");
> return true;
> + }
> }
>
> schedule_timeout_interruptible(HZ/10);
> @@ -342,7 +343,7 @@ static void xenbus_reset_wait_for_backend(char *be, int expected)
> timeout = wait_event_interruptible_timeout(backend_state_wq,
> backend_state == expected, 5 * HZ);
> if (timeout <= 0)
> - printk(KERN_INFO "XENBUS: backend %s timed out.\n", be);
> + pr_info("backend %s timed out\n", be);
> }
>
> /*
> @@ -365,7 +366,7 @@ static void xenbus_reset_frontend(char *fe, char *be, int be_state)
> be_watch.callback = xenbus_reset_backend_state_changed;
> backend_state = XenbusStateUnknown;
>
> - printk(KERN_INFO "XENBUS: triggering reconnect on %s\n", be);
> + pr_info("triggering reconnect on %s\n", be);
> register_xenbus_watch(&be_watch);
>
> /* fall through to forward backend to state XenbusStateInitialising */
> @@ -384,7 +385,7 @@ static void xenbus_reset_frontend(char *fe, char *be, int be_state)
> }
>
> unregister_xenbus_watch(&be_watch);
> - printk(KERN_INFO "XENBUS: reconnect done on %s\n", be);
> + pr_info("reconnect done on %s\n", be);
> kfree(be_watch.node);
> }
>
> diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
> index 88e677b..b6d5fff 100644
> --- a/drivers/xen/xenbus/xenbus_xs.c
> +++ b/drivers/xen/xenbus/xenbus_xs.c
> @@ -31,6 +31,8 @@
> * IN THE SOFTWARE.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/unistd.h>
> #include <linux/errno.h>
> #include <linux/types.h>
> @@ -129,9 +131,8 @@ static int get_error(const char *errorstring)
>
> for (i = 0; strcmp(errorstring, xsd_errors[i].errstring) != 0; i++) {
> if (i == ARRAY_SIZE(xsd_errors) - 1) {
> - printk(KERN_WARNING
> - "XENBUS xen store gave: unknown error %s",
> - errorstring);
> + pr_warn("xen store gave: unknown error %s\n",
> + errorstring);
> return EINVAL;
> }
> }
> @@ -272,10 +273,8 @@ static void *xs_talkv(struct xenbus_transaction t,
> }
>
> if (msg.type != type) {
> - if (printk_ratelimit())
> - printk(KERN_WARNING
> - "XENBUS unexpected type [%d], expected [%d]\n",
> - msg.type, type);
> + pr_warn_ratelimited("unexpected type [%d], expected [%d]\n",
> + msg.type, type);
> kfree(ret);
> return ERR_PTR(-EINVAL);
> }
> @@ -655,7 +654,7 @@ static void xs_reset_watches(void)
>
> err = xs_error(xs_single(XBT_NIL, XS_RESET_WATCHES, "", NULL));
> if (err && err != -EEXIST)
> - printk(KERN_WARNING "xs_reset_watches failed: %d\n", err);
> + pr_warn("xs_reset_watches failed: %d\n", err);
> }
>
> /* Register callback to watch this node. */
> @@ -705,9 +704,7 @@ void unregister_xenbus_watch(struct xenbus_watch *watch)
>
> err = xs_unwatch(watch->node, token);
> if (err)
> - printk(KERN_WARNING
> - "XENBUS Failed to release watch %s: %i\n",
> - watch->node, err);
> + pr_warn("Failed to release watch %s: %i\n", watch->node, err);
>
> up_read(&xs_state.watch_mutex);
>
> @@ -901,8 +898,7 @@ static int xenbus_thread(void *unused)
> for (;;) {
> err = process_msg();
> if (err)
> - printk(KERN_WARNING "XENBUS error %d while reading "
> - "message\n", err);
> + pr_warn("error %d while reading message\n", err);
> if (kthread_should_stop())
> break;
> }
> diff --git a/drivers/xen/xencomm.c b/drivers/xen/xencomm.c
> index b91f8ff..4793fc5 100644
> --- a/drivers/xen/xencomm.c
> +++ b/drivers/xen/xencomm.c
> @@ -18,6 +18,8 @@
> * Authors: Hollis Blanchard <hollisb@...ibm.com>
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/mm.h>
> #include <linux/slab.h>
> #include <asm/page.h>
> diff --git a/drivers/xen/xenfs/super.c b/drivers/xen/xenfs/super.c
> index 7167987..06092e0 100644
> --- a/drivers/xen/xenfs/super.c
> +++ b/drivers/xen/xenfs/super.c
> @@ -7,6 +7,8 @@
> * Turned xenfs into a loadable module.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/kernel.h>
> #include <linux/errno.h>
> #include <linux/module.h>
> @@ -82,7 +84,7 @@ static int __init xenfs_init(void)
> if (xen_domain())
> return register_filesystem(&xenfs_type);
>
> - printk(KERN_INFO "XENFS: not registering filesystem on non-xen platform\n");
> + pr_info("not registering filesystem on non-xen platform\n");
> return 0;
> }
>
> diff --git a/include/xen/hvm.h b/include/xen/hvm.h
> index 13e43e4..63917a8 100644
> --- a/include/xen/hvm.h
> +++ b/include/xen/hvm.h
> @@ -44,8 +44,8 @@ static inline int hvm_get_parameter(int idx, uint64_t *value)
> xhv.index = idx;
> r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv);
> if (r < 0) {
> - printk(KERN_ERR "Cannot get hvm parameter %s (%d): %d!\n",
> - param_name(idx), idx, r);
> + pr_err("Cannot get hvm parameter %s (%d): %d!\n",
> + param_name(idx), idx, r);
> return r;
> }
> *value = xhv.value;
>
--
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