summaryrefslogtreecommitdiffstats
path: root/drivers/xen
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/biomerge.c2
-rw-r--r--drivers/xen/cpu_hotplug.c3
-rw-r--r--drivers/xen/grant-table.c7
-rw-r--r--drivers/xen/manage.c6
-rw-r--r--drivers/xen/tmem.c10
-rw-r--r--drivers/xen/xen-balloon.c2
-rw-r--r--drivers/xen/xen-pciback/conf_space.c2
-rw-r--r--drivers/xen/xen-pciback/pci_stub.c8
-rw-r--r--drivers/xen/xen-pciback/xenbus.c7
-rw-r--r--drivers/xen/xenbus/xenbus_dev_frontend.c4
10 files changed, 31 insertions, 20 deletions
diff --git a/drivers/xen/biomerge.c b/drivers/xen/biomerge.c
index ba6eda4b5143..0edb91c0de6b 100644
--- a/drivers/xen/biomerge.c
+++ b/drivers/xen/biomerge.c
@@ -1,5 +1,6 @@
#include <linux/bio.h>
#include <linux/io.h>
+#include <linux/export.h>
#include <xen/page.h>
bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
@@ -11,3 +12,4 @@ bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) &&
((mfn1 == mfn2) || ((mfn1+1) == mfn2));
}
+EXPORT_SYMBOL(xen_biovec_phys_mergeable);
diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index 14e2d995e958..4dcfced107f5 100644
--- a/drivers/xen/cpu_hotplug.c
+++ b/drivers/xen/cpu_hotplug.c
@@ -30,7 +30,8 @@ static int vcpu_online(unsigned int cpu)
sprintf(dir, "cpu/%u", cpu);
err = xenbus_scanf(XBT_NIL, dir, "availability", "%s", state);
if (err != 1) {
- printk(KERN_ERR "XENBUS: Unable to read cpu state\n");
+ if (!xen_initial_domain())
+ printk(KERN_ERR "XENBUS: Unable to read cpu state\n");
return err;
}
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index 1cd94daa71db..b4d4eac761db 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -948,9 +948,12 @@ static void gnttab_request_version(void)
int rc;
struct gnttab_set_version gsv;
- gsv.version = 2;
+ if (xen_hvm_domain())
+ gsv.version = 1;
+ else
+ gsv.version = 2;
rc = HYPERVISOR_grant_table_op(GNTTABOP_set_version, &gsv, 1);
- if (rc == 0) {
+ if (rc == 0 && gsv.version == 2) {
grant_table_version = 2;
gnttab_interface = &gnttab_v2_ops;
} else if (grant_table_version == 2) {
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index ce4fa0831860..9e14ae6cd49c 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -129,9 +129,9 @@ static void do_suspend(void)
printk(KERN_DEBUG "suspending xenstore...\n");
xs_suspend();
- err = dpm_suspend_noirq(PMSG_FREEZE);
+ err = dpm_suspend_end(PMSG_FREEZE);
if (err) {
- printk(KERN_ERR "dpm_suspend_noirq failed: %d\n", err);
+ printk(KERN_ERR "dpm_suspend_end failed: %d\n", err);
goto out_resume;
}
@@ -149,7 +149,7 @@ static void do_suspend(void)
err = stop_machine(xen_suspend, &si, cpumask_of(0));
- dpm_resume_noirq(si.cancelled ? PMSG_THAW : PMSG_RESTORE);
+ dpm_resume_start(si.cancelled ? PMSG_THAW : PMSG_RESTORE);
if (err) {
printk(KERN_ERR "failed to start xen_suspend: %d\n", err);
diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c
index d369965e8f8a..17d9e37beba4 100644
--- a/drivers/xen/tmem.c
+++ b/drivers/xen/tmem.c
@@ -242,9 +242,9 @@ __setup("nocleancache", no_cleancache);
static struct cleancache_ops tmem_cleancache_ops = {
.put_page = tmem_cleancache_put_page,
.get_page = tmem_cleancache_get_page,
- .flush_page = tmem_cleancache_flush_page,
- .flush_inode = tmem_cleancache_flush_inode,
- .flush_fs = tmem_cleancache_flush_fs,
+ .invalidate_page = tmem_cleancache_flush_page,
+ .invalidate_inode = tmem_cleancache_flush_inode,
+ .invalidate_fs = tmem_cleancache_flush_fs,
.init_shared_fs = tmem_cleancache_init_shared_fs,
.init_fs = tmem_cleancache_init_fs
};
@@ -369,8 +369,8 @@ __setup("nofrontswap", no_frontswap);
static struct frontswap_ops tmem_frontswap_ops = {
.put_page = tmem_frontswap_put_page,
.get_page = tmem_frontswap_get_page,
- .flush_page = tmem_frontswap_flush_page,
- .flush_area = tmem_frontswap_flush_area,
+ .invalidate_page = tmem_frontswap_flush_page,
+ .invalidate_area = tmem_frontswap_flush_area,
.init = tmem_frontswap_init
};
#endif
diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c
index 3f7922ec13e3..8f37e23f6d13 100644
--- a/drivers/xen/xen-balloon.c
+++ b/drivers/xen/xen-balloon.c
@@ -221,7 +221,7 @@ static int register_balloon(struct device *dev)
{
int i, error;
- error = bus_register(&balloon_subsys);
+ error = subsys_system_register(&balloon_subsys, NULL);
if (error)
return error;
diff --git a/drivers/xen/xen-pciback/conf_space.c b/drivers/xen/xen-pciback/conf_space.c
index 52fed16d8701..30d7be026c18 100644
--- a/drivers/xen/xen-pciback/conf_space.c
+++ b/drivers/xen/xen-pciback/conf_space.c
@@ -16,7 +16,7 @@
#include "conf_space.h"
#include "conf_space_quirks.h"
-static int permissive;
+static bool permissive;
module_param(permissive, bool, 0644);
/* This is where xen_pcibk_read_config_byte, xen_pcibk_read_config_word,
diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c
index 6f63b9d954fb..097e536e8672 100644
--- a/drivers/xen/xen-pciback/pci_stub.c
+++ b/drivers/xen/xen-pciback/pci_stub.c
@@ -919,7 +919,7 @@ static inline int str_to_quirk(const char *buf, int *domain, int *bus, int
int err;
err =
- sscanf(buf, " %04x:%02x:%02x.%1x-%08x:%1x:%08x", domain, bus, slot,
+ sscanf(buf, " %04x:%02x:%02x.%d-%08x:%1x:%08x", domain, bus, slot,
func, reg, size, mask);
if (err == 7)
return 0;
@@ -939,7 +939,7 @@ static int pcistub_device_id_add(int domain, int bus, int slot, int func)
pci_dev_id->bus = bus;
pci_dev_id->devfn = PCI_DEVFN(slot, func);
- pr_debug(DRV_NAME ": wants to seize %04x:%02x:%02x.%01x\n",
+ pr_debug(DRV_NAME ": wants to seize %04x:%02x:%02x.%d\n",
domain, bus, slot, func);
spin_lock_irqsave(&device_ids_lock, flags);
@@ -969,7 +969,7 @@ static int pcistub_device_id_remove(int domain, int bus, int slot, int func)
err = 0;
- pr_debug(DRV_NAME ": removed %04x:%02x:%02x.%01x from "
+ pr_debug(DRV_NAME ": removed %04x:%02x:%02x.%d from "
"seize list\n", domain, bus, slot, func);
}
}
@@ -1064,7 +1064,7 @@ static ssize_t pcistub_slot_show(struct device_driver *drv, char *buf)
break;
count += scnprintf(buf + count, PAGE_SIZE - count,
- "%04x:%02x:%02x.%01x\n",
+ "%04x:%02x:%02x.%d\n",
pci_dev_id->domain, pci_dev_id->bus,
PCI_SLOT(pci_dev_id->devfn),
PCI_FUNC(pci_dev_id->devfn));
diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index 8e1c44d8ab46..64b11f99eacc 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -16,7 +16,7 @@
#define INVALID_EVTCHN_IRQ (-1)
struct workqueue_struct *xen_pcibk_wq;
-static int __read_mostly passthrough;
+static bool __read_mostly passthrough;
module_param(passthrough, bool, S_IRUGO);
MODULE_PARM_DESC(passthrough,
"Option to specify how to export PCI topology to guest:\n"\
@@ -206,6 +206,7 @@ static int xen_pcibk_publish_pci_dev(struct xen_pcibk_device *pdev,
goto out;
}
+ /* Note: The PV protocol uses %02x, don't change it */
err = xenbus_printf(XBT_NIL, pdev->xdev->nodename, str,
"%04x:%02x:%02x.%02x", domain, bus,
PCI_SLOT(devfn), PCI_FUNC(devfn));
@@ -229,7 +230,7 @@ static int xen_pcibk_export_device(struct xen_pcibk_device *pdev,
err = -EINVAL;
xenbus_dev_fatal(pdev->xdev, err,
"Couldn't locate PCI device "
- "(%04x:%02x:%02x.%01x)! "
+ "(%04x:%02x:%02x.%d)! "
"perhaps already in-use?",
domain, bus, slot, func);
goto out;
@@ -274,7 +275,7 @@ static int xen_pcibk_remove_device(struct xen_pcibk_device *pdev,
if (!dev) {
err = -EINVAL;
dev_dbg(&pdev->xdev->dev, "Couldn't locate PCI device "
- "(%04x:%02x:%02x.%01x)! not owned by this domain\n",
+ "(%04x:%02x:%02x.%d)! not owned by this domain\n",
domain, bus, slot, func);
goto out;
}
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
index 527dc2a3b89f..89f76252a16f 100644
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -369,6 +369,10 @@ static int xenbus_write_watch(unsigned msg_type, struct xenbus_file_priv *u)
goto out;
}
token++;
+ if (memchr(token, 0, u->u.msg.len - (token - path)) == NULL) {
+ rc = -EILSEQ;
+ goto out;
+ }
if (msg_type == XS_WATCH) {
watch = alloc_watch_adapter(path, token);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 23:39:46 +0100