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Date: Sat, 9 Oct 2021 14:38:55 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 4.19.210
diff --git a/Makefile b/Makefile
index a144a7117a1b..d9c39b3c05d5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
-SUBLEVEL = 209
+SUBLEVEL = 210
EXTRAVERSION =
NAME = "People's Front"
diff --git a/arch/sparc/lib/iomap.c b/arch/sparc/lib/iomap.c
index c9da9f139694..f3a8cd491ce0 100644
--- a/arch/sparc/lib/iomap.c
+++ b/arch/sparc/lib/iomap.c
@@ -19,8 +19,10 @@ void ioport_unmap(void __iomem *addr)
EXPORT_SYMBOL(ioport_map);
EXPORT_SYMBOL(ioport_unmap);
+#ifdef CONFIG_PCI
void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
{
/* nothing to do */
}
EXPORT_SYMBOL(pci_iounmap);
+#endif
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index b95a4194a68d..897360a56fdd 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2268,6 +2268,25 @@ static void ata_dev_config_ncq_prio(struct ata_device *dev)
}
+static bool ata_dev_check_adapter(struct ata_device *dev,
+ unsigned short vendor_id)
+{
+ struct pci_dev *pcidev = NULL;
+ struct device *parent_dev = NULL;
+
+ for (parent_dev = dev->tdev.parent; parent_dev != NULL;
+ parent_dev = parent_dev->parent) {
+ if (dev_is_pci(parent_dev)) {
+ pcidev = to_pci_dev(parent_dev);
+ if (pcidev->vendor == vendor_id)
+ return true;
+ break;
+ }
+ }
+
+ return false;
+}
+
static int ata_dev_config_ncq(struct ata_device *dev,
char *desc, size_t desc_sz)
{
@@ -2284,6 +2303,13 @@ static int ata_dev_config_ncq(struct ata_device *dev,
snprintf(desc, desc_sz, "NCQ (not used)");
return 0;
}
+
+ if (dev->horkage & ATA_HORKAGE_NO_NCQ_ON_ATI &&
+ ata_dev_check_adapter(dev, PCI_VENDOR_ID_ATI)) {
+ snprintf(desc, desc_sz, "NCQ (not used)");
+ return 0;
+ }
+
if (ap->flags & ATA_FLAG_NCQ) {
hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE);
dev->flags |= ATA_DFLAG_NCQ;
@@ -4575,9 +4601,11 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "Samsung SSD 850*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung SSD 860*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
- ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ ATA_HORKAGE_ZERO_AFTER_TRIM |
+ ATA_HORKAGE_NO_NCQ_ON_ATI, },
{ "Samsung SSD 870*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
- ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ ATA_HORKAGE_ZERO_AFTER_TRIM |
+ ATA_HORKAGE_NO_NCQ_ON_ATI, },
{ "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
@@ -6934,6 +6962,8 @@ static int __init ata_parse_force_one(char **cur,
{ "ncq", .horkage_off = ATA_HORKAGE_NONCQ },
{ "noncqtrim", .horkage_on = ATA_HORKAGE_NO_NCQ_TRIM },
{ "ncqtrim", .horkage_off = ATA_HORKAGE_NO_NCQ_TRIM },
+ { "noncqati", .horkage_on = ATA_HORKAGE_NO_NCQ_ON_ATI },
+ { "ncqati", .horkage_off = ATA_HORKAGE_NO_NCQ_ON_ATI },
{ "dump_id", .horkage_on = ATA_HORKAGE_DUMP_ID },
{ "pio0", .xfer_mask = 1 << (ATA_SHIFT_PIO + 0) },
{ "pio1", .xfer_mask = 1 << (ATA_SHIFT_PIO + 1) },
diff --git a/drivers/net/phy/mdio_device.c b/drivers/net/phy/mdio_device.c
index c924700cf37b..922f0f8973b6 100644
--- a/drivers/net/phy/mdio_device.c
+++ b/drivers/net/phy/mdio_device.c
@@ -176,6 +176,16 @@ static int mdio_remove(struct device *dev)
return 0;
}
+static void mdio_shutdown(struct device *dev)
+{
+ struct mdio_device *mdiodev = to_mdio_device(dev);
+ struct device_driver *drv = mdiodev->dev.driver;
+ struct mdio_driver *mdiodrv = to_mdio_driver(drv);
+
+ if (mdiodrv->shutdown)
+ mdiodrv->shutdown(mdiodev);
+}
+
/**
* mdio_driver_register - register an mdio_driver with the MDIO layer
* @new_driver: new mdio_driver to register
@@ -190,6 +200,7 @@ int mdio_driver_register(struct mdio_driver *drv)
mdiodrv->driver.bus = &mdio_bus_type;
mdiodrv->driver.probe = mdio_probe;
mdiodrv->driver.remove = mdio_remove;
+ mdiodrv->driver.shutdown = mdio_shutdown;
retval = driver_register(&mdiodrv->driver);
if (retval) {
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 41bdfb684d46..4d0d5501ca56 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -492,7 +492,7 @@ static int xenvif_tx_check_gop(struct xenvif_queue *queue,
* the header's copy failed, and they are
* sharing a slot, send an error
*/
- if (i == 0 && sharedslot)
+ if (i == 0 && !first_shinfo && sharedslot)
xenvif_idx_release(queue, pending_idx,
XEN_NETIF_RSP_ERROR);
else
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 342352d8e7bf..ed3702dadd30 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3444,15 +3444,16 @@ static int sd_probe(struct device *dev)
}
device_initialize(&sdkp->dev);
- sdkp->dev.parent = dev;
+ sdkp->dev.parent = get_device(dev);
sdkp->dev.class = &sd_disk_class;
dev_set_name(&sdkp->dev, "%s", dev_name(dev));
error = device_add(&sdkp->dev);
- if (error)
- goto out_free_index;
+ if (error) {
+ put_device(&sdkp->dev);
+ goto out;
+ }
- get_device(dev);
dev_set_drvdata(dev, sdkp);
get_device(&sdkp->dev); /* prevent release before async_schedule */
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index 0fc39224ce1e..caf35ca577ce 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -103,9 +103,16 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code,
0
};
unsigned char recv_page_code;
+ unsigned int retries = SES_RETRIES;
+ struct scsi_sense_hdr sshdr;
+
+ do {
+ ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
+ &sshdr, SES_TIMEOUT, 1, NULL);
+ } while (ret > 0 && --retries && scsi_sense_valid(&sshdr) &&
+ (sshdr.sense_key == NOT_READY ||
+ (sshdr.sense_key == UNIT_ATTENTION && sshdr.asc == 0x29)));
- ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
- NULL, SES_TIMEOUT, SES_RETRIES, NULL);
if (unlikely(ret))
return ret;
@@ -137,9 +144,16 @@ static int ses_send_diag(struct scsi_device *sdev, int page_code,
bufflen & 0xff,
0
};
+ struct scsi_sense_hdr sshdr;
+ unsigned int retries = SES_RETRIES;
+
+ do {
+ result = scsi_execute_req(sdev, cmd, DMA_TO_DEVICE, buf, bufflen,
+ &sshdr, SES_TIMEOUT, 1, NULL);
+ } while (result > 0 && --retries && scsi_sense_valid(&sshdr) &&
+ (sshdr.sense_key == NOT_READY ||
+ (sshdr.sense_key == UNIT_ATTENTION && sshdr.asc == 0x29)));
- result = scsi_execute_req(sdev, cmd, DMA_TO_DEVICE, buf, bufflen,
- NULL, SES_TIMEOUT, SES_RETRIES, NULL);
if (result)
sdev_printk(KERN_ERR, sdev, "SEND DIAGNOSTIC result: %8x\n",
result);
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 58e53e3d905b..22c4d554865e 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -5234,6 +5234,10 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
hcd->has_tt = 1;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ retval = -EINVAL;
+ goto error1;
+ }
hcd->rsrc_start = res->start;
hcd->rsrc_len = resource_size(res);
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index 33db13365c5e..fc59e0557e50 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -48,10 +48,9 @@ struct ext2_group_desc * ext2_get_group_desc(struct super_block * sb,
struct ext2_sb_info *sbi = EXT2_SB(sb);
if (block_group >= sbi->s_groups_count) {
- ext2_error (sb, "ext2_get_group_desc",
- "block_group >= groups_count - "
- "block_group = %d, groups_count = %lu",
- block_group, sbi->s_groups_count);
+ WARN(1, "block_group >= groups_count - "
+ "block_group = %d, groups_count = %lu",
+ block_group, sbi->s_groups_count);
return NULL;
}
@@ -59,10 +58,9 @@ struct ext2_group_desc * ext2_get_group_desc(struct super_block * sb,
group_desc = block_group >> EXT2_DESC_PER_BLOCK_BITS(sb);
offset = block_group & (EXT2_DESC_PER_BLOCK(sb) - 1);
if (!sbi->s_group_desc[group_desc]) {
- ext2_error (sb, "ext2_get_group_desc",
- "Group descriptor not loaded - "
- "block_group = %d, group_desc = %lu, desc = %lu",
- block_group, group_desc, offset);
+ WARN(1, "Group descriptor not loaded - "
+ "block_group = %d, group_desc = %lu, desc = %lu",
+ block_group, group_desc, offset);
return NULL;
}
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 3d076aca7ac2..6d9194fb38df 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -440,6 +440,7 @@ enum {
ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */
ATA_HORKAGE_MAX_SEC_1024 = (1 << 25), /* Limit max sects to 1024 */
ATA_HORKAGE_MAX_TRIM_128M = (1 << 26), /* Limit max trim size to 128M */
+ ATA_HORKAGE_NO_NCQ_ON_ATI = (1 << 27), /* Disable NCQ on ATI chipset */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index bfa7114167d7..85325e110a79 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -66,6 +66,9 @@ struct mdio_driver {
/* Clears up any memory if needed */
void (*remove)(struct mdio_device *mdiodev);
+
+ /* Quiesces the device on system shutdown, turns off interrupts etc */
+ void (*shutdown)(struct mdio_device *mdiodev);
};
#define to_mdio_driver(d) \
container_of(to_mdio_common_driver(d), struct mdio_driver, mdiodrv)
diff --git a/include/linux/timerqueue.h b/include/linux/timerqueue.h
index 78b8cc73f12f..aff122f1062a 100644
--- a/include/linux/timerqueue.h
+++ b/include/linux/timerqueue.h
@@ -12,8 +12,7 @@ struct timerqueue_node {
};
struct timerqueue_head {
- struct rb_root head;
- struct timerqueue_node *next;
+ struct rb_root_cached rb_root;
};
@@ -29,13 +28,14 @@ extern struct timerqueue_node *timerqueue_iterate_next(
*
* @head: head of timerqueue
*
- * Returns a pointer to the timer node that has the
- * earliest expiration time.
+ * Returns a pointer to the timer node that has the earliest expiration time.
*/
static inline
struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head)
{
- return head->next;
+ struct rb_node *leftmost = rb_first_cached(&head->rb_root);
+
+ return rb_entry(leftmost, struct timerqueue_node, node);
}
static inline void timerqueue_init(struct timerqueue_node *node)
@@ -45,7 +45,6 @@ static inline void timerqueue_init(struct timerqueue_node *node)
static inline void timerqueue_init_head(struct timerqueue_head *head)
{
- head->head = RB_ROOT;
- head->next = NULL;
+ head->rb_root = RB_ROOT_CACHED;
}
#endif /* _LINUX_TIMERQUEUE_H */
diff --git a/lib/timerqueue.c b/lib/timerqueue.c
index 0d54bcbc8170..7a8ae3d5fd40 100644
--- a/lib/timerqueue.c
+++ b/lib/timerqueue.c
@@ -39,9 +39,10 @@
*/
bool timerqueue_add(struct timerqueue_head *head, struct timerqueue_node *node)
{
- struct rb_node **p = &head->head.rb_node;
+ struct rb_node **p = &head->rb_root.rb_root.rb_node;
struct rb_node *parent = NULL;
- struct timerqueue_node *ptr;
+ struct timerqueue_node *ptr;
+ bool leftmost = true;
/* Make sure we don't add nodes that are already added */
WARN_ON_ONCE(!RB_EMPTY_NODE(&node->node));
@@ -49,19 +50,17 @@ bool timerqueue_add(struct timerqueue_head *head, struct timerqueue_node *node)
while (*p) {
parent = *p;
ptr = rb_entry(parent, struct timerqueue_node, node);
- if (node->expires < ptr->expires)
+ if (node->expires < ptr->expires) {
p = &(*p)->rb_left;
- else
+ } else {
p = &(*p)->rb_right;
+ leftmost = false;
+ }
}
rb_link_node(&node->node, parent, p);
- rb_insert_color(&node->node, &head->head);
+ rb_insert_color_cached(&node->node, &head->rb_root, leftmost);
- if (!head->next || node->expires < head->next->expires) {
- head->next = node;
- return true;
- }
- return false;
+ return leftmost;
}
EXPORT_SYMBOL_GPL(timerqueue_add);
@@ -78,15 +77,10 @@ bool timerqueue_del(struct timerqueue_head *head, struct timerqueue_node *node)
{
WARN_ON_ONCE(RB_EMPTY_NODE(&node->node));
- /* update next pointer */
- if (head->next == node) {
- struct rb_node *rbn = rb_next(&node->node);
-
- head->next = rb_entry_safe(rbn, struct timerqueue_node, node);
- }
- rb_erase(&node->node, &head->head);
+ rb_erase_cached(&node->node, &head->rb_root);
RB_CLEAR_NODE(&node->node);
- return head->next != NULL;
+
+ return !RB_EMPTY_ROOT(&head->rb_root.rb_root);
}
EXPORT_SYMBOL_GPL(timerqueue_del);
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index a5d40653a921..9700281bee4c 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -26,6 +26,7 @@ include $(top_srcdir)/scripts/subarch.include
ARCH ?= $(SUBARCH)
.PHONY: khdr
+.NOTPARALLEL:
khdr:
make ARCH=$(ARCH) -C $(top_srcdir) headers_install
diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c
index 2d89b5f686b1..791aadef2d59 100644
--- a/tools/usb/testusb.c
+++ b/tools/usb/testusb.c
@@ -278,12 +278,6 @@ static int find_testdev(const char *name, const struct stat *sb, int flag)
}
entry->ifnum = ifnum;
-
- /* FIXME update USBDEVFS_CONNECTINFO so it tells about high speed etc */
-
- fprintf(stderr, "%s speed\t%s\t%u\n",
- speed(entry->speed), entry->name, entry->ifnum);
-
entry->next = testdevs;
testdevs = entry;
return 0;
@@ -312,6 +306,14 @@ static void *handle_testdev (void *arg)
return 0;
}
+ status = ioctl(fd, USBDEVFS_GET_SPEED, NULL);
+ if (status < 0)
+ fprintf(stderr, "USBDEVFS_GET_SPEED failed %d\n", status);
+ else
+ dev->speed = status;
+ fprintf(stderr, "%s speed\t%s\t%u\n",
+ speed(dev->speed), dev->name, dev->ifnum);
+
restart:
for (i = 0; i < TEST_CASES; i++) {
if (dev->test != -1 && dev->test != i)
diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c
index 1ff3a6c0367b..89063b967b6b 100644
--- a/tools/vm/page-types.c
+++ b/tools/vm/page-types.c
@@ -1341,7 +1341,7 @@ int main(int argc, char *argv[])
if (opt_list && opt_list_mapcnt)
kpagecount_fd = checked_open(PROC_KPAGECOUNT, O_RDONLY);
- if (opt_mark_idle && opt_file)
+ if (opt_mark_idle)
page_idle_fd = checked_open(SYS_KERNEL_MM_PAGE_IDLE, O_RDWR);
if (opt_list && opt_pid)
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