[gentoo-commits] proj/linux-patches:4.4 commit in: /

[Mike Pagano]

commit:     f0e959f5890bf92e504aa6cb2b6dd923b793a19e
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sat Oct  9 21:36:24 2021 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sat Oct  9 21:36:24 2021 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=f0e959f5

Linux patch 4.4.288

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README              |   4 +
 1287_linux-4.4.288.patch | 322 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 326 insertions(+)

diff --git a/0000_README b/0000_README
index 7389c23..946f1ec 100644
--- a/0000_README
+++ b/0000_README
@@ -1191,6 +1191,10 @@ Patch:  1286_linux-4.4.287.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.4.287
 
+Patch:  1287_linux-4.4.288.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.4.288
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1287_linux-4.4.288.patch b/1287_linux-4.4.288.patch
new file mode 100644
index 0000000..df2b85a
--- /dev/null
+++ b/1287_linux-4.4.288.patch
@@ -0,0 +1,322 @@
+diff --git a/Makefile b/Makefile
+index fc14cb0bf5e0d..823d7d08088c5 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 4
+-SUBLEVEL = 287
++SUBLEVEL = 288
+ EXTRAVERSION =
+ NAME = Blurry Fish Butt
+ 
+diff --git a/arch/sparc/lib/iomap.c b/arch/sparc/lib/iomap.c
+index c4d42a50ebc06..fa4abbaf27de3 100644
+--- a/arch/sparc/lib/iomap.c
++++ b/arch/sparc/lib/iomap.c
+@@ -18,8 +18,10 @@ 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 8e7ce9bab0db5..7120da5a03f3e 100644
+--- a/drivers/ata/libata-core.c
++++ b/drivers/ata/libata-core.c
+@@ -2077,6 +2077,25 @@ static inline u8 ata_dev_knobble(struct ata_device *dev)
+ 	return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id)));
+ }
+ 
++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)
+ {
+@@ -2093,6 +2112,13 @@ 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 - 1);
+ 		dev->flags |= ATA_DFLAG_NCQ;
+@@ -4270,9 +4296,11 @@ 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, },
+ 
+@@ -6520,6 +6548,8 @@ 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/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
+index c8c6afc0ab51d..15c73ebe5efca 100644
+--- a/drivers/net/xen-netback/netback.c
++++ b/drivers/net/xen-netback/netback.c
+@@ -994,7 +994,7 @@ check_frags:
+ 				 * 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 9176fb1b16157..935add4d6f836 100644
+--- a/drivers/scsi/sd.c
++++ b/drivers/scsi/sd.c
+@@ -3146,15 +3146,16 @@ 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/fs/ext2/balloc.c b/fs/ext2/balloc.c
+index 9f9992b37924a..2e4747e0aaf0b 100644
+--- a/fs/ext2/balloc.c
++++ b/fs/ext2/balloc.c
+@@ -46,10 +46,9 @@ 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;
+ 	}
+@@ -57,10 +56,9 @@ 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 ec49344f7555d..ae4a5a1ae3814 100644
+--- a/include/linux/libata.h
++++ b/include/linux/libata.h
+@@ -437,6 +437,7 @@ enum {
+ 	ATA_HORKAGE_NO_NCQ_LOG	= (1 << 23),	/* don't use NCQ for log read */
+ 	ATA_HORKAGE_NOTRIM	= (1 << 24),	/* don't use TRIM */
+ 	ATA_HORKAGE_MAX_SEC_1024 = (1 << 25),	/* Limit max sects to 1024 */
++	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/net/sock.h b/include/net/sock.h
+index 1b657a3a30b51..3671bc7b7bc16 100644
+--- a/include/net/sock.h
++++ b/include/net/sock.h
+@@ -429,8 +429,10 @@ struct sock {
+ #if IS_ENABLED(CONFIG_CGROUP_NET_PRIO)
+ 	__u32			sk_cgrp_prioidx;
+ #endif
++	spinlock_t		sk_peer_lock;
+ 	struct pid		*sk_peer_pid;
+ 	const struct cred	*sk_peer_cred;
++
+ 	long			sk_rcvtimeo;
+ 	long			sk_sndtimeo;
+ 	struct timer_list	sk_timer;
+diff --git a/net/core/sock.c b/net/core/sock.c
+index 82f9a7dbea6fe..5e9ff8d9f9e35 100644
+--- a/net/core/sock.c
++++ b/net/core/sock.c
+@@ -1014,7 +1014,6 @@ set_rcvbuf:
+ }
+ EXPORT_SYMBOL(sock_setsockopt);
+ 
+-
+ static void cred_to_ucred(struct pid *pid, const struct cred *cred,
+ 			  struct ucred *ucred)
+ {
+@@ -1174,7 +1173,11 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
+ 		struct ucred peercred;
+ 		if (len > sizeof(peercred))
+ 			len = sizeof(peercred);
++
++		spin_lock(&sk->sk_peer_lock);
+ 		cred_to_ucred(sk->sk_peer_pid, sk->sk_peer_cred, &peercred);
++		spin_unlock(&sk->sk_peer_lock);
++
+ 		if (copy_to_user(optval, &peercred, len))
+ 			return -EFAULT;
+ 		goto lenout;
+@@ -1467,9 +1470,10 @@ void sk_destruct(struct sock *sk)
+ 		sk->sk_frag.page = NULL;
+ 	}
+ 
+-	if (sk->sk_peer_cred)
+-		put_cred(sk->sk_peer_cred);
++	/* We do not need to acquire sk->sk_peer_lock, we are the last user. */
++	put_cred(sk->sk_peer_cred);
+ 	put_pid(sk->sk_peer_pid);
++
+ 	if (likely(sk->sk_net_refcnt))
+ 		put_net(sock_net(sk));
+ 	sk_prot_free(sk->sk_prot_creator, sk);
+@@ -2442,6 +2446,8 @@ void sock_init_data(struct socket *sock, struct sock *sk)
+ 
+ 	sk->sk_peer_pid 	=	NULL;
+ 	sk->sk_peer_cred	=	NULL;
++	spin_lock_init(&sk->sk_peer_lock);
++
+ 	sk->sk_write_pending	=	0;
+ 	sk->sk_rcvlowat		=	1;
+ 	sk->sk_rcvtimeo		=	MAX_SCHEDULE_TIMEOUT;
+diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
+index cb9911dcafdbd..242d170991b41 100644
+--- a/net/unix/af_unix.c
++++ b/net/unix/af_unix.c
+@@ -594,20 +594,42 @@ static void unix_release_sock(struct sock *sk, int embrion)
+ 
+ static void init_peercred(struct sock *sk)
+ {
+-	put_pid(sk->sk_peer_pid);
+-	if (sk->sk_peer_cred)
+-		put_cred(sk->sk_peer_cred);
++	const struct cred *old_cred;
++	struct pid *old_pid;
++
++	spin_lock(&sk->sk_peer_lock);
++	old_pid = sk->sk_peer_pid;
++	old_cred = sk->sk_peer_cred;
+ 	sk->sk_peer_pid  = get_pid(task_tgid(current));
+ 	sk->sk_peer_cred = get_current_cred();
++	spin_unlock(&sk->sk_peer_lock);
++
++	put_pid(old_pid);
++	put_cred(old_cred);
+ }
+ 
+ static void copy_peercred(struct sock *sk, struct sock *peersk)
+ {
+-	put_pid(sk->sk_peer_pid);
+-	if (sk->sk_peer_cred)
+-		put_cred(sk->sk_peer_cred);
++	const struct cred *old_cred;
++	struct pid *old_pid;
++
++	if (sk < peersk) {
++		spin_lock(&sk->sk_peer_lock);
++		spin_lock_nested(&peersk->sk_peer_lock, SINGLE_DEPTH_NESTING);
++	} else {
++		spin_lock(&peersk->sk_peer_lock);
++		spin_lock_nested(&sk->sk_peer_lock, SINGLE_DEPTH_NESTING);
++	}
++	old_pid = sk->sk_peer_pid;
++	old_cred = sk->sk_peer_cred;
+ 	sk->sk_peer_pid  = get_pid(peersk->sk_peer_pid);
+ 	sk->sk_peer_cred = get_cred(peersk->sk_peer_cred);
++
++	spin_unlock(&sk->sk_peer_lock);
++	spin_unlock(&peersk->sk_peer_lock);
++
++	put_pid(old_pid);
++	put_cred(old_cred);
+ }
+ 
+ static int unix_listen(struct socket *sock, int backlog)
+diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c
+index 0692d99b6d8f3..18c895654e767 100644
+--- a/tools/usb/testusb.c
++++ b/tools/usb/testusb.c
+@@ -278,12 +278,6 @@ nomem:
+ 	}
+ 
+ 	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)