This is a note to let you know that I've just added the patch titled
sget(): handle failures of register_shrinker()
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
sget-handle-failures-of-register_shrinker.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Al Viro <viro(a)zeniv.linux.org.uk>
Date: Mon, 18 Dec 2017 15:05:07 -0500
Subject: sget(): handle failures of register_shrinker()
From: Al Viro <viro(a)zeniv.linux.org.uk>
[ Upstream commit 9ee332d99e4d5a97548943b81c54668450ce641b ]
Signed-off-by: Al Viro <viro(a)zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
fs/super.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/fs/super.c
+++ b/fs/super.c
@@ -476,7 +476,11 @@ retry:
hlist_add_head(&s->s_instances, &type->fs_supers);
spin_unlock(&sb_lock);
get_filesystem(type);
- register_shrinker(&s->s_shrink);
+ err = register_shrinker(&s->s_shrink);
+ if (err) {
+ deactivate_locked_super(s);
+ s = ERR_PTR(err);
+ }
return s;
}
Patches currently in stable-queue which might be from viro(a)zeniv.linux.org.uk are
queue-3.18/sget-handle-failures-of-register_shrinker.patch
This is a note to let you know that I've just added the patch titled
SolutionEngine771x: fix Ether platform data
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
solutionengine771x-fix-ether-platform-data.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Sergei Shtylyov <sergei.shtylyov(a)cogentembedded.com>
Date: Sat, 6 Jan 2018 21:53:26 +0300
Subject: SolutionEngine771x: fix Ether platform data
From: Sergei Shtylyov <sergei.shtylyov(a)cogentembedded.com>
[ Upstream commit 195e2addbce09e5afbc766efc1e6567c9ce840d3 ]
The 'sh_eth' driver's probe() method would fail on the SolutionEngine7710
board and crash on SolutionEngine7712 board as the platform code is
hopelessly behind the driver's platform data -- it passes the PHY address
instead of 'struct sh_eth_plat_data *'; pass the latter to the driver in
order to fix the bug...
Fixes: 71557a37adb5 ("[netdrvr] sh_eth: Add SH7619 support")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov(a)cogentembedded.com>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
arch/sh/boards/mach-se/770x/setup.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
--- a/arch/sh/boards/mach-se/770x/setup.c
+++ b/arch/sh/boards/mach-se/770x/setup.c
@@ -8,6 +8,7 @@
*/
#include <linux/init.h>
#include <linux/platform_device.h>
+#include <linux/sh_eth.h>
#include <mach-se/mach/se.h>
#include <mach-se/mach/mrshpc.h>
#include <asm/machvec.h>
@@ -114,6 +115,11 @@ static struct platform_device heartbeat_
#if defined(CONFIG_CPU_SUBTYPE_SH7710) ||\
defined(CONFIG_CPU_SUBTYPE_SH7712)
/* SH771X Ethernet driver */
+static struct sh_eth_plat_data sh_eth_plat = {
+ .phy = PHY_ID,
+ .phy_interface = PHY_INTERFACE_MODE_MII,
+};
+
static struct resource sh_eth0_resources[] = {
[0] = {
.start = SH_ETH0_BASE,
@@ -131,7 +137,7 @@ static struct platform_device sh_eth0_de
.name = "sh771x-ether",
.id = 0,
.dev = {
- .platform_data = PHY_ID,
+ .platform_data = &sh_eth_plat,
},
.num_resources = ARRAY_SIZE(sh_eth0_resources),
.resource = sh_eth0_resources,
@@ -154,7 +160,7 @@ static struct platform_device sh_eth1_de
.name = "sh771x-ether",
.id = 1,
.dev = {
- .platform_data = PHY_ID,
+ .platform_data = &sh_eth_plat,
},
.num_resources = ARRAY_SIZE(sh_eth1_resources),
.resource = sh_eth1_resources,
Patches currently in stable-queue which might be from sergei.shtylyov(a)cogentembedded.com are
queue-3.18/solutionengine771x-fix-ether-platform-data.patch
This is a note to let you know that I've just added the patch titled
scsi: storvsc: Fix scsi_cmd error assignments in storvsc_handle_error
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
scsi-storvsc-fix-scsi_cmd-error-assignments-in-storvsc_handle_error.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Cathy Avery <cavery(a)redhat.com>
Date: Tue, 19 Dec 2017 13:32:48 -0500
Subject: scsi: storvsc: Fix scsi_cmd error assignments in storvsc_handle_error
From: Cathy Avery <cavery(a)redhat.com>
[ Upstream commit d1b8b2391c24751e44f618fcf86fb55d9a9247fd ]
When an I/O is returned with an srb_status of SRB_STATUS_INVALID_LUN
which has zero good_bytes it must be assigned an error. Otherwise the
I/O will be continuously requeued and will cause a deadlock in the case
where disks are being hot added and removed. sd_probe_async will wait
forever for its I/O to complete while holding scsi_sd_probe_domain.
Also returning the default error of DID_TARGET_FAILURE causes multipath
to not retry the I/O resulting in applications receiving I/O errors
before a failover can occur.
Signed-off-by: Cathy Avery <cavery(a)redhat.com>
Signed-off-by: Long Li <longli(a)microsoft.com>
Reviewed-by: Stephen Hemminger <stephen(a)networkplumber.org>
Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/scsi/storvsc_drv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1029,10 +1029,11 @@ static void storvsc_handle_error(struct
case TEST_UNIT_READY:
break;
default:
- set_host_byte(scmnd, DID_TARGET_FAILURE);
+ set_host_byte(scmnd, DID_ERROR);
}
break;
case SRB_STATUS_INVALID_LUN:
+ set_host_byte(scmnd, DID_NO_CONNECT);
do_work = true;
process_err_fn = storvsc_remove_lun;
break;
Patches currently in stable-queue which might be from cavery(a)redhat.com are
queue-3.18/scsi-storvsc-fix-scsi_cmd-error-assignments-in-storvsc_handle_error.patch
This is a note to let you know that I've just added the patch titled
sctp: make use of pre-calculated len
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
sctp-make-use-of-pre-calculated-len.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Marcelo Ricardo Leitner <marcelo.leitner(a)gmail.com>
Date: Mon, 8 Jan 2018 19:02:29 -0200
Subject: sctp: make use of pre-calculated len
From: Marcelo Ricardo Leitner <marcelo.leitner(a)gmail.com>
[ Upstream commit c76f97c99ae6d26d14c7f0e50e074382bfbc9f98 ]
Some sockopt handling functions were calculating the length of the
buffer to be written to userspace and then calculating it again when
actually writing the buffer, which could lead to some write not using
an up-to-date length.
This patch updates such places to just make use of the len variable.
Also, replace some sizeof(type) to sizeof(var).
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner(a)gmail.com>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
net/sctp/socket.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4458,7 +4458,7 @@ static int sctp_getsockopt_autoclose(str
len = sizeof(int);
if (put_user(len, optlen))
return -EFAULT;
- if (copy_to_user(optval, &sctp_sk(sk)->autoclose, sizeof(int)))
+ if (copy_to_user(optval, &sctp_sk(sk)->autoclose, len))
return -EFAULT;
return 0;
}
@@ -5035,6 +5035,9 @@ copy_getaddrs:
err = -EFAULT;
goto out;
}
+ /* XXX: We should have accounted for sizeof(struct sctp_getaddrs) too,
+ * but we can't change it anymore.
+ */
if (put_user(bytes_copied, optlen))
err = -EFAULT;
out:
@@ -5471,7 +5474,7 @@ static int sctp_getsockopt_maxseg(struct
params.assoc_id = 0;
} else if (len >= sizeof(struct sctp_assoc_value)) {
len = sizeof(struct sctp_assoc_value);
- if (copy_from_user(¶ms, optval, sizeof(params)))
+ if (copy_from_user(¶ms, optval, len))
return -EFAULT;
} else
return -EINVAL;
@@ -5635,7 +5638,9 @@ static int sctp_getsockopt_active_key(st
if (len < sizeof(struct sctp_authkeyid))
return -EINVAL;
- if (copy_from_user(&val, optval, sizeof(struct sctp_authkeyid)))
+
+ len = sizeof(struct sctp_authkeyid);
+ if (copy_from_user(&val, optval, len))
return -EFAULT;
asoc = sctp_id2assoc(sk, val.scact_assoc_id);
@@ -5647,7 +5652,6 @@ static int sctp_getsockopt_active_key(st
else
val.scact_keynumber = ep->active_key_id;
- len = sizeof(struct sctp_authkeyid);
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
@@ -5673,7 +5677,7 @@ static int sctp_getsockopt_peer_auth_chu
if (len < sizeof(struct sctp_authchunks))
return -EINVAL;
- if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks)))
+ if (copy_from_user(&val, optval, sizeof(val)))
return -EFAULT;
to = p->gauth_chunks;
@@ -5718,7 +5722,7 @@ static int sctp_getsockopt_local_auth_ch
if (len < sizeof(struct sctp_authchunks))
return -EINVAL;
- if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks)))
+ if (copy_from_user(&val, optval, sizeof(val)))
return -EFAULT;
to = p->gauth_chunks;
Patches currently in stable-queue which might be from marcelo.leitner(a)gmail.com are
queue-3.18/sctp-make-use-of-pre-calculated-len.patch
This is a note to let you know that I've just added the patch titled
s390/dasd: fix wrongly assigned configuration data
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
s390-dasd-fix-wrongly-assigned-configuration-data.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Stefan Haberland <sth(a)linux.vnet.ibm.com>
Date: Wed, 6 Dec 2017 10:30:39 +0100
Subject: s390/dasd: fix wrongly assigned configuration data
From: Stefan Haberland <sth(a)linux.vnet.ibm.com>
[ Upstream commit 8a9bd4f8ebc6800bfc0596e28631ff6809a2f615 ]
We store per path and per device configuration data to identify the
path or device correctly. The per path configuration data might get
mixed up if the original request gets into error recovery and is
started with a random path mask.
This would lead to a wrong identification of a path in case of a CUIR
event for example.
Fix by copying the path mask from the original request to the error
recovery request in case it is a path verification request.
Signed-off-by: Stefan Haberland <sth(a)linux.vnet.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner(a)linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky(a)de.ibm.com>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/s390/block/dasd_3990_erp.c | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -2743,6 +2743,16 @@ dasd_3990_erp_action(struct dasd_ccw_req
erp = dasd_3990_erp_handle_match_erp(cqr, erp);
}
+
+ /*
+ * For path verification work we need to stick with the path that was
+ * originally chosen so that the per path configuration data is
+ * assigned correctly.
+ */
+ if (test_bit(DASD_CQR_VERIFY_PATH, &erp->flags) && cqr->lpm) {
+ erp->lpm = cqr->lpm;
+ }
+
if (device->features & DASD_FEATURE_ERPLOG) {
/* print current erp_chain */
dev_err(&device->cdev->dev,
Patches currently in stable-queue which might be from sth(a)linux.vnet.ibm.com are
queue-3.18/s390-dasd-fix-wrongly-assigned-configuration-data.patch
This is a note to let you know that I've just added the patch titled
net: arc_emac: fix arc_emac_rx() error paths
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
net-arc_emac-fix-arc_emac_rx-error-paths.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Alexander Kochetkov <al.kochet(a)gmail.com>
Date: Fri, 15 Dec 2017 20:20:06 +0300
Subject: net: arc_emac: fix arc_emac_rx() error paths
From: Alexander Kochetkov <al.kochet(a)gmail.com>
[ Upstream commit e688822d035b494071ecbadcccbd6f3325fb0f59 ]
arc_emac_rx() has some issues found by code review.
In case netdev_alloc_skb_ip_align() or dma_map_single() failure
rx fifo entry will not be returned to EMAC.
In case dma_map_single() failure previously allocated skb became
lost to driver. At the same time address of newly allocated skb
will not be provided to EMAC.
Signed-off-by: Alexander Kochetkov <al.kochet(a)gmail.com>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/net/ethernet/arc/emac_main.c | 53 ++++++++++++++++++++---------------
1 file changed, 31 insertions(+), 22 deletions(-)
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -250,39 +250,48 @@ static int arc_emac_rx(struct net_device
continue;
}
- pktlen = info & LEN_MASK;
- stats->rx_packets++;
- stats->rx_bytes += pktlen;
- skb = rx_buff->skb;
- skb_put(skb, pktlen);
- skb->dev = ndev;
- skb->protocol = eth_type_trans(skb, ndev);
-
- dma_unmap_single(&ndev->dev, dma_unmap_addr(rx_buff, addr),
- dma_unmap_len(rx_buff, len), DMA_FROM_DEVICE);
-
- /* Prepare the BD for next cycle */
- rx_buff->skb = netdev_alloc_skb_ip_align(ndev,
- EMAC_BUFFER_SIZE);
- if (unlikely(!rx_buff->skb)) {
+ /* Prepare the BD for next cycle. netif_receive_skb()
+ * only if new skb was allocated and mapped to avoid holes
+ * in the RX fifo.
+ */
+ skb = netdev_alloc_skb_ip_align(ndev, EMAC_BUFFER_SIZE);
+ if (unlikely(!skb)) {
+ if (net_ratelimit())
+ netdev_err(ndev, "cannot allocate skb\n");
+ /* Return ownership to EMAC */
+ rxbd->info = cpu_to_le32(FOR_EMAC | EMAC_BUFFER_SIZE);
stats->rx_errors++;
- /* Because receive_skb is below, increment rx_dropped */
stats->rx_dropped++;
continue;
}
- /* receive_skb only if new skb was allocated to avoid holes */
- netif_receive_skb(skb);
-
- addr = dma_map_single(&ndev->dev, (void *)rx_buff->skb->data,
+ addr = dma_map_single(&ndev->dev, (void *)skb->data,
EMAC_BUFFER_SIZE, DMA_FROM_DEVICE);
if (dma_mapping_error(&ndev->dev, addr)) {
if (net_ratelimit())
- netdev_err(ndev, "cannot dma map\n");
- dev_kfree_skb(rx_buff->skb);
+ netdev_err(ndev, "cannot map dma buffer\n");
+ dev_kfree_skb(skb);
+ /* Return ownership to EMAC */
+ rxbd->info = cpu_to_le32(FOR_EMAC | EMAC_BUFFER_SIZE);
stats->rx_errors++;
+ stats->rx_dropped++;
continue;
}
+
+ /* unmap previosly mapped skb */
+ dma_unmap_single(&ndev->dev, dma_unmap_addr(rx_buff, addr),
+ dma_unmap_len(rx_buff, len), DMA_FROM_DEVICE);
+
+ pktlen = info & LEN_MASK;
+ stats->rx_packets++;
+ stats->rx_bytes += pktlen;
+ skb_put(rx_buff->skb, pktlen);
+ rx_buff->skb->dev = ndev;
+ rx_buff->skb->protocol = eth_type_trans(rx_buff->skb, ndev);
+
+ netif_receive_skb(rx_buff->skb);
+
+ rx_buff->skb = skb;
dma_unmap_addr_set(rx_buff, addr, addr);
dma_unmap_len_set(rx_buff, len, EMAC_BUFFER_SIZE);
Patches currently in stable-queue which might be from al.kochet(a)gmail.com are
queue-3.18/net-arc_emac-fix-arc_emac_rx-error-paths.patch
This is a note to let you know that I've just added the patch titled
net: gianfar_ptp: move set_fipers() to spinlock protecting area
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
net-gianfar_ptp-move-set_fipers-to-spinlock-protecting-area.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Yangbo Lu <yangbo.lu(a)nxp.com>
Date: Tue, 9 Jan 2018 11:02:33 +0800
Subject: net: gianfar_ptp: move set_fipers() to spinlock protecting area
From: Yangbo Lu <yangbo.lu(a)nxp.com>
[ Upstream commit 11d827a993a969c3c6ec56758ff63a44ba19b466 ]
set_fipers() calling should be protected by spinlock in
case that any interrupt breaks related registers setting
and the function we expect. This patch is to move set_fipers()
to spinlock protecting area in ptp_gianfar_adjtime().
Signed-off-by: Yangbo Lu <yangbo.lu(a)nxp.com>
Acked-by: Richard Cochran <richardcochran(a)gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam(a)nxp.com>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/net/ethernet/freescale/gianfar_ptp.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -314,11 +314,10 @@ static int ptp_gianfar_adjtime(struct pt
now = tmr_cnt_read(etsects);
now += delta;
tmr_cnt_write(etsects, now);
+ set_fipers(etsects);
spin_unlock_irqrestore(&etsects->lock, flags);
- set_fipers(etsects);
-
return 0;
}
Patches currently in stable-queue which might be from yangbo.lu(a)nxp.com are
queue-3.18/net-gianfar_ptp-move-set_fipers-to-spinlock-protecting-area.patch
This is a note to let you know that I've just added the patch titled
mtd: nand: gpmi: Fix failure when a erased page has a bitflip at BBM
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
mtd-nand-gpmi-fix-failure-when-a-erased-page-has-a-bitflip-at-bbm.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Sascha Hauer <s.hauer(a)pengutronix.de>
Date: Tue, 5 Dec 2017 11:51:40 +0100
Subject: mtd: nand: gpmi: Fix failure when a erased page has a bitflip at BBM
From: Sascha Hauer <s.hauer(a)pengutronix.de>
[ Upstream commit fdf2e821052958a114618a95ab18a300d0b080cb ]
When erased subpages are read then the BCH decoder returns STATUS_ERASED
if they are all empty, or STATUS_UNCORRECTABLE if there are bitflips.
When there are bitflips, we have to set these bits again to show the
upper layers a completely erased page. When a bitflip happens in the
exact byte where the bad block marker is, then this byte is swapped
with another byte in block_mark_swapping(). The correction code then
detects a bitflip in another subpage and no longer corrects the bitflip
where it really happens.
Correct this behaviour by calling block_mark_swapping() after the
bitflips have been corrected.
In our case UBIFS failed with this bug because it expects erased
pages to be really empty:
UBIFS error (pid 187): ubifs_scan: corrupt empty space at LEB 36:118735
UBIFS error (pid 187): ubifs_scanned_corruption: corruption at LEB 36:118735
UBIFS error (pid 187): ubifs_scanned_corruption: first 8192 bytes from LEB 36:118735
UBIFS error (pid 187): ubifs_scan: LEB 36 scanning failed
UBIFS error (pid 187): do_commit: commit failed, error -117
Signed-off-by: Sascha Hauer <s.hauer(a)pengutronix.de>
Reviewed-by: Richard Weinberger <richard(a)nod.at>
Acked-by: Boris Brezillon <boris.brezillon(a)free-electrons.com>
Signed-off-by: Richard Weinberger <richard(a)nod.at>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -1025,9 +1025,6 @@ static int gpmi_ecc_read_page(struct mtd
return ret;
}
- /* handle the block mark swapping */
- block_mark_swapping(this, payload_virt, auxiliary_virt);
-
/* Loop over status bytes, accumulating ECC status. */
status = auxiliary_virt + nfc_geo->auxiliary_status_offset;
@@ -1043,6 +1040,9 @@ static int gpmi_ecc_read_page(struct mtd
max_bitflips = max_t(unsigned int, max_bitflips, *status);
}
+ /* handle the block mark swapping */
+ block_mark_swapping(this, buf, auxiliary_virt);
+
if (oob_required) {
/*
* It's time to deliver the OOB bytes. See gpmi_ecc_read_oob()
Patches currently in stable-queue which might be from s.hauer(a)pengutronix.de are
queue-3.18/mtd-nand-gpmi-fix-failure-when-a-erased-page-has-a-bitflip-at-bbm.patch
This is a note to let you know that I've just added the patch titled
led: core: Fix brightness setting when setting delay_off=0
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
led-core-fix-brightness-setting-when-setting-delay_off-0.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Matthieu CASTET <matthieu.castet(a)parrot.com>
Date: Tue, 12 Dec 2017 11:10:44 +0100
Subject: led: core: Fix brightness setting when setting delay_off=0
From: Matthieu CASTET <matthieu.castet(a)parrot.com>
[ Upstream commit 2b83ff96f51d0b039c4561b9f95c824d7bddb85c ]
With the current code, the following sequence won't work :
echo timer > trigger
echo 0 > delay_off
* at this point we call
** led_delay_off_store
** led_blink_set
---
drivers/leds/led-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -76,7 +76,7 @@ void led_blink_set(struct led_classdev *
unsigned long *delay_on,
unsigned long *delay_off)
{
- del_timer_sync(&led_cdev->blink_timer);
+ led_stop_software_blink(led_cdev);
led_cdev->flags &= ~LED_BLINK_ONESHOT;
led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP;
Patches currently in stable-queue which might be from matthieu.castet(a)parrot.com are
queue-3.18/led-core-fix-brightness-setting-when-setting-delay_off-0.patch
This is a note to let you know that I've just added the patch titled
mdio-sun4i: Fix a memory leak
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
mdio-sun4i-fix-a-memory-leak.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr>
Date: Sat, 6 Jan 2018 09:00:09 +0100
Subject: mdio-sun4i: Fix a memory leak
From: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr>
[ Upstream commit 56c0290202ab94a2f2780c449395d4ae8495fab4 ]
If the probing of the regulator is deferred, the memory allocated by
'mdiobus_alloc_size()' will be leaking.
It should be freed before the next call to 'sun4i_mdio_probe()' which will
reallocate it.
Fixes: 4bdcb1dd9feb ("net: Add MDIO bus driver for the Allwinner EMAC")
Signed-off-by: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/net/phy/mdio-sun4i.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/net/phy/mdio-sun4i.c
+++ b/drivers/net/phy/mdio-sun4i.c
@@ -128,8 +128,10 @@ static int sun4i_mdio_probe(struct platf
data->regulator = devm_regulator_get(&pdev->dev, "phy");
if (IS_ERR(data->regulator)) {
- if (PTR_ERR(data->regulator) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
+ if (PTR_ERR(data->regulator) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto err_out_free_mdiobus;
+ }
dev_info(&pdev->dev, "no regulator found\n");
} else {
Patches currently in stable-queue which might be from christophe.jaillet(a)wanadoo.fr are
queue-3.18/mdio-sun4i-fix-a-memory-leak.patch
This is a note to let you know that I've just added the patch titled
ipv6: icmp6: Allow icmp messages to be looped back
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
ipv6-icmp6-allow-icmp-messages-to-be-looped-back.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Brendan McGrath <redmcg(a)redmandi.dyndns.org>
Date: Wed, 13 Dec 2017 22:14:57 +1100
Subject: ipv6: icmp6: Allow icmp messages to be looped back
From: Brendan McGrath <redmcg(a)redmandi.dyndns.org>
[ Upstream commit 588753f1eb18978512b1c9b85fddb457d46f9033 ]
One example of when an ICMPv6 packet is required to be looped back is
when a host acts as both a Multicast Listener and a Multicast Router.
A Multicast Router will listen on address ff02::16 for MLDv2 messages.
Currently, MLDv2 messages originating from a Multicast Listener running
on the same host as the Multicast Router are not being delivered to the
Multicast Router. This is due to dst.input being assigned the default
value of dst_discard.
This results in the packet being looped back but discarded before being
delivered to the Multicast Router.
This patch sets dst.input to ip6_input to ensure a looped back packet
is delivered to the Multicast Router.
Signed-off-by: Brendan McGrath <redmcg(a)redmandi.dyndns.org>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
net/ipv6/route.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1367,6 +1367,7 @@ struct dst_entry *icmp6_dst_alloc(struct
}
rt->dst.flags |= DST_HOST;
+ rt->dst.input = ip6_input;
rt->dst.output = ip6_output;
atomic_set(&rt->dst.__refcnt, 1);
rt->rt6i_gateway = fl6->daddr;
Patches currently in stable-queue which might be from redmcg(a)redmandi.dyndns.org are
queue-3.18/ipv6-icmp6-allow-icmp-messages-to-be-looped-back.patch
This is a note to let you know that I've just added the patch titled
bnx2x: Improve reliability in case of nested PCI errors
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
bnx2x-improve-reliability-in-case-of-nested-pci-errors.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: "Guilherme G. Piccoli" <gpiccoli(a)linux.vnet.ibm.com>
Date: Fri, 22 Dec 2017 13:01:39 -0200
Subject: bnx2x: Improve reliability in case of nested PCI errors
From: "Guilherme G. Piccoli" <gpiccoli(a)linux.vnet.ibm.com>
[ Upstream commit f7084059a9cb9e56a186e1677b1dcffd76c2cd24 ]
While in recovery process of PCI error (called EEH on PowerPC arch),
another PCI transaction could be corrupted causing a situation of
nested PCI errors. Also, this scenario could be reproduced with
error injection mechanisms (for debug purposes).
We observe that in case of nested PCI errors, bnx2x might attempt to
initialize its shmem and cause a kernel crash due to bad addresses
read from MCP. Multiple different stack traces were observed depending
on the point the second PCI error happens.
This patch avoids the crashes by:
* failing PCI recovery in case of nested errors (since multiple
PCI errors in a row are not expected to lead to a functional
adapter anyway), and by,
* preventing access to adapter FW when MCP is failed (we mark it as
failed when shmem cannot get initialized properly).
Reported-by: Abdul Haleem <abdhalee(a)linux.vnet.ibm.com>
Signed-off-by: Guilherme G. Piccoli <gpiccoli(a)linux.vnet.ibm.com>
Acked-by: Shahed Shaikh <Shahed.Shaikh(a)cavium.com>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 4 ++--
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 14 +++++++++++++-
2 files changed, 15 insertions(+), 3 deletions(-)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -2994,7 +2994,7 @@ int bnx2x_nic_unload(struct bnx2x *bp, i
del_timer_sync(&bp->timer);
- if (IS_PF(bp)) {
+ if (IS_PF(bp) && !BP_NOMCP(bp)) {
/* Set ALWAYS_ALIVE bit in shmem */
bp->fw_drv_pulse_wr_seq |= DRV_PULSE_ALWAYS_ALIVE;
bnx2x_drv_pulse(bp);
@@ -3076,7 +3076,7 @@ int bnx2x_nic_unload(struct bnx2x *bp, i
bp->cnic_loaded = false;
/* Clear driver version indication in shmem */
- if (IS_PF(bp))
+ if (IS_PF(bp) && !BP_NOMCP(bp))
bnx2x_update_mng_version(bp);
/* Check if there are pending parity attentions. If there are - set
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -9472,6 +9472,15 @@ static int bnx2x_init_shmem(struct bnx2x
do {
bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
+
+ /* If we read all 0xFFs, means we are in PCI error state and
+ * should bail out to avoid crashes on adapter's FW reads.
+ */
+ if (bp->common.shmem_base == 0xFFFFFFFF) {
+ bp->flags |= NO_MCP_FLAG;
+ return -ENODEV;
+ }
+
if (bp->common.shmem_base) {
val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
if (val & SHR_MEM_VALIDITY_MB)
@@ -13743,7 +13752,10 @@ static pci_ers_result_t bnx2x_io_slot_re
BNX2X_ERR("IO slot reset --> driver unload\n");
/* MCP should have been reset; Need to wait for validity */
- bnx2x_init_shmem(bp);
+ if (bnx2x_init_shmem(bp)) {
+ rtnl_unlock();
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
if (IS_PF(bp) && SHMEM2_HAS(bp, drv_capabilities_flag)) {
u32 v;
Patches currently in stable-queue which might be from gpiccoli(a)linux.vnet.ibm.com are
queue-3.18/bnx2x-improve-reliability-in-case-of-nested-pci-errors.patch
This is a note to let you know that I've just added the patch titled
drm/ttm: check the return value of kzalloc
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
drm-ttm-check-the-return-value-of-kzalloc.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:16:23 CET 2018
From: Xiongwei Song <sxwjean(a)gmail.com>
Date: Tue, 2 Jan 2018 21:24:55 +0800
Subject: drm/ttm: check the return value of kzalloc
From: Xiongwei Song <sxwjean(a)gmail.com>
[ Upstream commit 19d859a7205bc59ffc38303eb25ae394f61d21dc ]
In the function ttm_page_alloc_init, kzalloc call is made for variable
_manager, we need to check its return value, it may return NULL.
Signed-off-by: Xiongwei Song <sxwjean(a)gmail.com>
Reviewed-by: Christian König <christian.koenig(a)amd.com>
Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/gpu/drm/ttm/ttm_page_alloc.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -818,6 +818,8 @@ int ttm_page_alloc_init(struct ttm_mem_g
pr_info("Initializing pool allocator\n");
_manager = kzalloc(sizeof(*_manager), GFP_KERNEL);
+ if (!_manager)
+ return -ENOMEM;
ttm_page_pool_init_locked(&_manager->wc_pool, GFP_HIGHUSER, "wc");
Patches currently in stable-queue which might be from sxwjean(a)gmail.com are
queue-3.18/drm-ttm-check-the-return-value-of-kzalloc.patch
This is a note to let you know that I've just added the patch titled
xfs: quota: check result of register_shrinker()
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
xfs-quota-check-result-of-register_shrinker.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:13:29 CET 2018
From: Aliaksei Karaliou <akaraliou.dev(a)gmail.com>
Date: Thu, 21 Dec 2017 13:18:26 -0800
Subject: xfs: quota: check result of register_shrinker()
From: Aliaksei Karaliou <akaraliou.dev(a)gmail.com>
[ Upstream commit 3a3882ff26fbdbaf5f7e13f6a0bccfbf7121041d ]
xfs_qm_init_quotainfo() does not check result of register_shrinker()
which was tagged as __must_check recently, reported by sparse.
Signed-off-by: Aliaksei Karaliou <akaraliou.dev(a)gmail.com>
[darrick: move xfs_qm_destroy_quotainos nearer xfs_qm_init_quotainos]
Reviewed-by: Darrick J. Wong <darrick.wong(a)oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong(a)oracle.com>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
fs/xfs/xfs_qm.c | 45 +++++++++++++++++++++++++++++----------------
1 file changed, 29 insertions(+), 16 deletions(-)
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -47,7 +47,7 @@
STATIC int xfs_qm_init_quotainos(xfs_mount_t *);
STATIC int xfs_qm_init_quotainfo(xfs_mount_t *);
-
+STATIC void xfs_qm_destroy_quotainos(xfs_quotainfo_t *qi);
STATIC void xfs_qm_dqfree_one(struct xfs_dquot *dqp);
/*
* We use the batch lookup interface to iterate over the dquots as it
@@ -694,9 +694,17 @@ xfs_qm_init_quotainfo(
qinf->qi_shrinker.scan_objects = xfs_qm_shrink_scan;
qinf->qi_shrinker.seeks = DEFAULT_SEEKS;
qinf->qi_shrinker.flags = SHRINKER_NUMA_AWARE;
- register_shrinker(&qinf->qi_shrinker);
+
+ error = register_shrinker(&qinf->qi_shrinker);
+ if (error)
+ goto out_free_inos;
+
return 0;
+out_free_inos:
+ mutex_destroy(&qinf->qi_quotaofflock);
+ mutex_destroy(&qinf->qi_tree_lock);
+ xfs_qm_destroy_quotainos(qinf);
out_free_lru:
list_lru_destroy(&qinf->qi_lru);
out_free_qinf:
@@ -705,7 +713,6 @@ out_free_qinf:
return error;
}
-
/*
* Gets called when unmounting a filesystem or when all quotas get
* turned off.
@@ -722,19 +729,7 @@ xfs_qm_destroy_quotainfo(
unregister_shrinker(&qi->qi_shrinker);
list_lru_destroy(&qi->qi_lru);
-
- if (qi->qi_uquotaip) {
- IRELE(qi->qi_uquotaip);
- qi->qi_uquotaip = NULL; /* paranoia */
- }
- if (qi->qi_gquotaip) {
- IRELE(qi->qi_gquotaip);
- qi->qi_gquotaip = NULL;
- }
- if (qi->qi_pquotaip) {
- IRELE(qi->qi_pquotaip);
- qi->qi_pquotaip = NULL;
- }
+ xfs_qm_destroy_quotainos(qi);
mutex_destroy(&qi->qi_tree_lock);
mutex_destroy(&qi->qi_quotaofflock);
kmem_free(qi);
@@ -1621,6 +1616,24 @@ error_rele:
}
STATIC void
+xfs_qm_destroy_quotainos(
+ xfs_quotainfo_t *qi)
+{
+ if (qi->qi_uquotaip) {
+ IRELE(qi->qi_uquotaip);
+ qi->qi_uquotaip = NULL; /* paranoia */
+ }
+ if (qi->qi_gquotaip) {
+ IRELE(qi->qi_gquotaip);
+ qi->qi_gquotaip = NULL;
+ }
+ if (qi->qi_pquotaip) {
+ IRELE(qi->qi_pquotaip);
+ qi->qi_pquotaip = NULL;
+ }
+}
+
+STATIC void
xfs_qm_dqfree_one(
struct xfs_dquot *dqp)
{
Patches currently in stable-queue which might be from akaraliou.dev(a)gmail.com are
queue-4.9/xfs-quota-fix-missed-destroy-of-qi_tree_lock.patch
queue-4.9/xfs-quota-check-result-of-register_shrinker.patch
This is a note to let you know that I've just added the patch titled
xfs: quota: fix missed destroy of qi_tree_lock
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
xfs-quota-fix-missed-destroy-of-qi_tree_lock.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:13:29 CET 2018
From: Aliaksei Karaliou <akaraliou.dev(a)gmail.com>
Date: Thu, 21 Dec 2017 13:18:26 -0800
Subject: xfs: quota: fix missed destroy of qi_tree_lock
From: Aliaksei Karaliou <akaraliou.dev(a)gmail.com>
[ Upstream commit 2196881566225f3c3428d1a5f847a992944daa5b ]
xfs_qm_destroy_quotainfo() does not destroy quotainfo->qi_tree_lock
while destroys quotainfo->qi_quotaofflock.
Signed-off-by: Aliaksei Karaliou <akaraliou.dev(a)gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong(a)oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong(a)oracle.com>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
fs/xfs/xfs_qm.c | 1 +
1 file changed, 1 insertion(+)
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -735,6 +735,7 @@ xfs_qm_destroy_quotainfo(
IRELE(qi->qi_pquotaip);
qi->qi_pquotaip = NULL;
}
+ mutex_destroy(&qi->qi_tree_lock);
mutex_destroy(&qi->qi_quotaofflock);
kmem_free(qi);
mp->m_quotainfo = NULL;
Patches currently in stable-queue which might be from akaraliou.dev(a)gmail.com are
queue-4.9/xfs-quota-fix-missed-destroy-of-qi_tree_lock.patch
queue-4.9/xfs-quota-check-result-of-register_shrinker.patch
This is a note to let you know that I've just added the patch titled
xen-netfront: enable device after manual module load
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
xen-netfront-enable-device-after-manual-module-load.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:13:29 CET 2018
From: Eduardo Otubo <otubo(a)redhat.com>
Date: Fri, 5 Jan 2018 09:42:16 +0100
Subject: xen-netfront: enable device after manual module load
From: Eduardo Otubo <otubo(a)redhat.com>
[ Upstream commit b707fda2df4070785d0fa8a278aa13944c5f51f8 ]
When loading the module after unloading it, the network interface would
not be enabled and thus wouldn't have a backend counterpart and unable
to be used by the guest.
The guest would face errors like:
[root@guest ~]# ethtool -i eth0
Cannot get driver information: No such device
[root@guest ~]# ifconfig eth0
eth0: error fetching interface information: Device not found
This patch initializes the state of the netfront device whenever it is
loaded manually, this state would communicate the netback to create its
device and establish the connection between them.
Signed-off-by: Eduardo Otubo <otubo(a)redhat.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky(a)oracle.com>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/net/xen-netfront.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1345,6 +1345,7 @@ static struct net_device *xennet_create_
netif_carrier_off(netdev);
+ xenbus_switch_state(dev, XenbusStateInitialising);
return netdev;
exit:
Patches currently in stable-queue which might be from otubo(a)redhat.com are
queue-4.9/xen-netfront-enable-device-after-manual-module-load.patch
This is a note to let you know that I've just added the patch titled
xen/gntdev: Fix partial gntdev_mmap() cleanup
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
xen-gntdev-fix-partial-gntdev_mmap-cleanup.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:13:29 CET 2018
From: Ross Lagerwall <ross.lagerwall(a)citrix.com>
Date: Tue, 9 Jan 2018 12:10:22 +0000
Subject: xen/gntdev: Fix partial gntdev_mmap() cleanup
From: Ross Lagerwall <ross.lagerwall(a)citrix.com>
[ Upstream commit cf2acf66ad43abb39735568f55e1f85f9844e990 ]
When cleaning up after a partially successful gntdev_mmap(), unmap the
successfully mapped grant pages otherwise Xen will kill the domain if
in debug mode (Attempt to implicitly unmap a granted PTE) or Linux will
kill the process and emit "BUG: Bad page map in process" if Xen is in
release mode.
This is only needed when use_ptemod is true because gntdev_put_map()
will unmap grant pages itself when use_ptemod is false.
Signed-off-by: Ross Lagerwall <ross.lagerwall(a)citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky(a)oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky(a)oracle.com>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/xen/gntdev.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -1077,8 +1077,10 @@ unlock_out:
out_unlock_put:
mutex_unlock(&priv->lock);
out_put_map:
- if (use_ptemod)
+ if (use_ptemod) {
map->vma = NULL;
+ unmap_grant_pages(map, 0, map->count);
+ }
gntdev_put_map(priv, map);
return err;
}
Patches currently in stable-queue which might be from ross.lagerwall(a)citrix.com are
queue-4.9/xen-gntdev-fix-off-by-one-error-when-unmapping-with-holes.patch
queue-4.9/xen-gntdev-fix-partial-gntdev_mmap-cleanup.patch
This is a note to let you know that I've just added the patch titled
xen/gntdev: Fix off-by-one error when unmapping with holes
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
xen-gntdev-fix-off-by-one-error-when-unmapping-with-holes.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:13:29 CET 2018
From: Ross Lagerwall <ross.lagerwall(a)citrix.com>
Date: Tue, 9 Jan 2018 12:10:21 +0000
Subject: xen/gntdev: Fix off-by-one error when unmapping with holes
From: Ross Lagerwall <ross.lagerwall(a)citrix.com>
[ Upstream commit 951a010233625b77cde3430b4b8785a9a22968d1 ]
If the requested range has a hole, the calculation of the number of
pages to unmap is off by one. Fix it.
Signed-off-by: Ross Lagerwall <ross.lagerwall(a)citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky(a)oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky(a)oracle.com>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/xen/gntdev.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -378,10 +378,8 @@ static int unmap_grant_pages(struct gran
}
range = 0;
while (range < pages) {
- if (map->unmap_ops[offset+range].handle == -1) {
- range--;
+ if (map->unmap_ops[offset+range].handle == -1)
break;
- }
range++;
}
err = __unmap_grant_pages(map, offset, range);
Patches currently in stable-queue which might be from ross.lagerwall(a)citrix.com are
queue-4.9/xen-gntdev-fix-off-by-one-error-when-unmapping-with-holes.patch
queue-4.9/xen-gntdev-fix-partial-gntdev_mmap-cleanup.patch
This is a note to let you know that I've just added the patch titled
x86/asm: Allow again using asm.h when building for the 'bpf' clang target
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
x86-asm-allow-again-using-asm.h-when-building-for-the-bpf-clang-target.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:13:29 CET 2018
From: Arnaldo Carvalho de Melo <acme(a)redhat.com>
Date: Mon, 4 Dec 2017 13:08:47 -0300
Subject: x86/asm: Allow again using asm.h when building for the 'bpf' clang target
From: Arnaldo Carvalho de Melo <acme(a)redhat.com>
[ Upstream commit ca26cffa4e4aaeb09bb9e308f95c7835cb149248 ]
Up to f5caf621ee35 ("x86/asm: Fix inline asm call constraints for Clang")
we were able to use x86 headers to build to the 'bpf' clang target, as
done by the BPF code in tools/perf/.
With that commit, we ended up with following failure for 'perf test LLVM', this
is because "clang ... -target bpf ..." fails since 4.0 does not have bpf inline
asm support and 6.0 does not recognize the register 'esp', fix it by guarding
that part with an #ifndef __BPF__, that is defined by clang when building to
the "bpf" target.
# perf test -v LLVM
37: LLVM search and compile :
37.1: Basic BPF llvm compile :
--- start ---
test child forked, pid 25526
Kernel build dir is set to /lib/modules/4.14.0+/build
set env: KBUILD_DIR=/lib/modules/4.14.0+/build
unset env: KBUILD_OPTS
include option is set to -nostdinc -isystem /usr/lib/gcc/x86_64-redhat-linux/7/include -I/home/acme/git/linux/arch/x86/include -I./arch/x86/include/generated -I/home/acme/git/linux/include -I./include -I/home/acme/git/linux/arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I/home/acme/git/linux/include/uapi -I./include/generated/uapi -include /home/acme/git/linux/include/linux/kconfig.h
set env: NR_CPUS=4
set env: LINUX_VERSION_CODE=0x40e00
set env: CLANG_EXEC=/usr/local/bin/clang
set env: CLANG_OPTIONS=-xc
set env: KERNEL_INC_OPTIONS= -nostdinc -isystem /usr/lib/gcc/x86_64-redhat-linux/7/include -I/home/acme/git/linux/arch/x86/include -I./arch/x86/include/generated -I/home/acme/git/linux/include -I./include -I/home/acme/git/linux/arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I/home/acme/git/linux/include/uapi -I./include/generated/uapi -include /home/acme/git/linux/include/linux/kconfig.h
set env: WORKING_DIR=/lib/modules/4.14.0+/build
set env: CLANG_SOURCE=-
llvm compiling command template: echo '/*
* bpf-script-example.c
* Test basic LLVM building
*/
#ifndef LINUX_VERSION_CODE
# error Need LINUX_VERSION_CODE
# error Example: for 4.2 kernel, put 'clang-opt="-DLINUX_VERSION_CODE=0x40200" into llvm section of ~/.perfconfig'
#endif
#define BPF_ANY 0
#define BPF_MAP_TYPE_ARRAY 2
#define BPF_FUNC_map_lookup_elem 1
#define BPF_FUNC_map_update_elem 2
static void *(*bpf_map_lookup_elem)(void *map, void *key) =
(void *) BPF_FUNC_map_lookup_elem;
static void *(*bpf_map_update_elem)(void *map, void *key, void *value, int flags) =
(void *) BPF_FUNC_map_update_elem;
struct bpf_map_def {
unsigned int type;
unsigned int key_size;
unsigned int value_size;
unsigned int max_entries;
};
#define SEC(NAME) __attribute__((section(NAME), used))
struct bpf_map_def SEC("maps") flip_table = {
.type = BPF_MAP_TYPE_ARRAY,
.key_size = sizeof(int),
.value_size = sizeof(int),
.max_entries = 1,
};
SEC("func=SyS_epoll_wait")
int bpf_func__SyS_epoll_wait(void *ctx)
{
int ind =0;
int *flag = bpf_map_lookup_elem(&flip_table, &ind);
int new_flag;
if (!flag)
return 0;
/* flip flag and store back */
new_flag = !*flag;
bpf_map_update_elem(&flip_table, &ind, &new_flag, BPF_ANY);
return new_flag;
}
char _license[] SEC("license") = "GPL";
int _version SEC("version") = LINUX_VERSION_CODE;
' | $CLANG_EXEC -D__KERNEL__ -D__NR_CPUS__=$NR_CPUS -DLINUX_VERSION_CODE=$LINUX_VERSION_CODE $CLANG_OPTIONS $KERNEL_INC_OPTIONS -Wno-unused-value -Wno-pointer-sign -working-directory $WORKING_DIR -c "$CLANG_SOURCE" -target bpf -O2 -o -
test child finished with 0
---- end ----
LLVM search and compile subtest 0: Ok
37.2: kbuild searching :
--- start ---
test child forked, pid 25950
Kernel build dir is set to /lib/modules/4.14.0+/build
set env: KBUILD_DIR=/lib/modules/4.14.0+/build
unset env: KBUILD_OPTS
include option is set to -nostdinc -isystem /usr/lib/gcc/x86_64-redhat-linux/7/include -I/home/acme/git/linux/arch/x86/include -I./arch/x86/include/generated -I/home/acme/git/linux/include -I./include -I/home/acme/git/linux/arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I/home/acme/git/linux/include/uapi -I./include/generated/uapi -include /home/acme/git/linux/include/linux/kconfig.h
set env: NR_CPUS=4
set env: LINUX_VERSION_CODE=0x40e00
set env: CLANG_EXEC=/usr/local/bin/clang
set env: CLANG_OPTIONS=-xc
set env: KERNEL_INC_OPTIONS= -nostdinc -isystem /usr/lib/gcc/x86_64-redhat-linux/7/include -I/home/acme/git/linux/arch/x86/include -I./arch/x86/include/generated -I/home/acme/git/linux/include -I./include -I/home/acme/git/linux/arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I/home/acme/git/linux/include/uapi -I./include/generated/uapi -include /home/acme/git/linux/include/linux/kconfig.h
set env: WORKING_DIR=/lib/modules/4.14.0+/build
set env: CLANG_SOURCE=-
llvm compiling command template: echo '/*
* bpf-script-test-kbuild.c
* Test include from kernel header
*/
#ifndef LINUX_VERSION_CODE
# error Need LINUX_VERSION_CODE
# error Example: for 4.2 kernel, put 'clang-opt="-DLINUX_VERSION_CODE=0x40200" into llvm section of ~/.perfconfig'
#endif
#define SEC(NAME) __attribute__((section(NAME), used))
#include <uapi/linux/fs.h>
#include <uapi/asm/ptrace.h>
SEC("func=vfs_llseek")
int bpf_func__vfs_llseek(void *ctx)
{
return 0;
}
char _license[] SEC("license") = "GPL";
int _version SEC("version") = LINUX_VERSION_CODE;
' | $CLANG_EXEC -D__KERNEL__ -D__NR_CPUS__=$NR_CPUS -DLINUX_VERSION_CODE=$LINUX_VERSION_CODE $CLANG_OPTIONS $KERNEL_INC_OPTIONS -Wno-unused-value -Wno-pointer-sign -working-directory $WORKING_DIR -c "$CLANG_SOURCE" -target bpf -O2 -o -
In file included from <stdin>:12:
In file included from /home/acme/git/linux/arch/x86/include/uapi/asm/ptrace.h:5:
In file included from /home/acme/git/linux/include/linux/compiler.h:242:
In file included from /home/acme/git/linux/arch/x86/include/asm/barrier.h:5:
In file included from /home/acme/git/linux/arch/x86/include/asm/alternative.h:10:
/home/acme/git/linux/arch/x86/include/asm/asm.h:145:50: error: unknown register name 'esp' in asm
register unsigned long current_stack_pointer asm(_ASM_SP);
^
/home/acme/git/linux/arch/x86/include/asm/asm.h:44:18: note: expanded from macro '_ASM_SP'
#define _ASM_SP __ASM_REG(sp)
^
/home/acme/git/linux/arch/x86/include/asm/asm.h:27:32: note: expanded from macro '__ASM_REG'
#define __ASM_REG(reg) __ASM_SEL_RAW(e##reg, r##reg)
^
/home/acme/git/linux/arch/x86/include/asm/asm.h:18:29: note: expanded from macro '__ASM_SEL_RAW'
# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a)
^
/home/acme/git/linux/arch/x86/include/asm/asm.h:11:32: note: expanded from macro '__ASM_FORM_RAW'
# define __ASM_FORM_RAW(x) #x
^
<scratch space>:4:1: note: expanded from here
"esp"
^
1 error generated.
ERROR: unable to compile -
Hint: Check error message shown above.
Hint: You can also pre-compile it into .o using:
clang -target bpf -O2 -c -
with proper -I and -D options.
Failed to compile test case: 'kbuild searching'
test child finished with -1
---- end ----
LLVM search and compile subtest 1: FAILED!
Cc: Adrian Hunter <adrian.hunter(a)intel.com>
Cc: Alexander Potapenko <glider(a)google.com>
Cc: Alexei Starovoitov <alexei.starovoitov(a)gmail.com>
Cc: Andrey Ryabinin <aryabinin(a)virtuozzo.com>
Cc: Andy Lutomirski <luto(a)kernel.org>
Cc: Arnd Bergmann <arnd(a)arndb.de>
Cc: Daniel Borkmann <daniel(a)iogearbox.net>
Cc: David Ahern <dsahern(a)gmail.com>
Cc: Dmitriy Vyukov <dvyukov(a)google.com>
Cc: Jiri Olsa <jolsa(a)kernel.org>
Cc: Josh Poimboeuf <jpoimboe(a)redhat.com>
Cc: Linus Torvalds <torvalds(a)linux-foundation.org>
Cc: Matthias Kaehlcke <mka(a)chromium.org>
Cc: Miguel Bernal Marin <miguel.bernal.marin(a)linux.intel.com>
Cc: Namhyung Kim <namhyung(a)kernel.org>
Cc: Peter Zijlstra <peterz(a)infradead.org>
Cc: Thomas Gleixner <tglx(a)linutronix.de>
Cc: Wang Nan <wangnan0(a)huawei.com>
Cc: Yonghong Song <yhs(a)fb.com>
Link: https://lkml.kernel.org/r/20171128175948.GL3298@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme(a)redhat.com>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
arch/x86/include/asm/asm.h | 2 ++
1 file changed, 2 insertions(+)
--- a/arch/x86/include/asm/asm.h
+++ b/arch/x86/include/asm/asm.h
@@ -128,6 +128,7 @@
#endif
#ifndef __ASSEMBLY__
+#ifndef __BPF__
/*
* This output constraint should be used for any inline asm which has a "call"
* instruction. Otherwise the asm may be inserted before the frame pointer
@@ -137,5 +138,6 @@
register unsigned long current_stack_pointer asm(_ASM_SP);
#define ASM_CALL_CONSTRAINT "+r" (current_stack_pointer)
#endif
+#endif
#endif /* _ASM_X86_ASM_H */
Patches currently in stable-queue which might be from acme(a)redhat.com are
queue-4.9/x86-asm-allow-again-using-asm.h-when-building-for-the-bpf-clang-target.patch
This is a note to let you know that I've just added the patch titled
uapi libc compat: add fallback for unsupported libcs
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
uapi-libc-compat-add-fallback-for-unsupported-libcs.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:13:29 CET 2018
From: Felix Janda <felix.janda(a)posteo.de>
Date: Mon, 1 Jan 2018 19:33:20 +0100
Subject: uapi libc compat: add fallback for unsupported libcs
From: Felix Janda <felix.janda(a)posteo.de>
[ Upstream commit c0bace798436bca0fdc221ff61143f1376a9c3de ]
libc-compat.h aims to prevent symbol collisions between uapi and libc
headers for each supported libc. This requires continuous coordination
between them.
The goal of this commit is to improve the situation for libcs (such as
musl) which are not yet supported and/or do not wish to be explicitly
supported, while not affecting supported libcs. More precisely, with
this commit, unsupported libcs can request the suppression of any
specific uapi definition by defining the correspondings _UAPI_DEF_*
macro as 0. This can fix symbol collisions for them, as long as the
libc headers are included before the uapi headers. Inclusion in the
other order is outside the scope of this commit.
All infrastructure in order to enable this fallback for unsupported
libcs is already in place, except that libc-compat.h unconditionally
defines all _UAPI_DEF_* macros to 1 for all unsupported libcs so that
any previous definitions are ignored. In order to fix this, this commit
merely makes these definitions conditional.
This commit together with the musl libc commit
http://git.musl-libc.org/cgit/musl/commit/?id=04983f2272382af92eb8f8838964f…
fixes for example the following compiler errors when <linux/in6.h> is
included after musl's <netinet/in.h>:
./linux/in6.h:32:8: error: redefinition of 'struct in6_addr'
./linux/in6.h:49:8: error: redefinition of 'struct sockaddr_in6'
./linux/in6.h:59:8: error: redefinition of 'struct ipv6_mreq'
The comments referencing glibc are still correct, but this file is not
only used for glibc any more.
Signed-off-by: Felix Janda <felix.janda(a)posteo.de>
Reviewed-by: Hauke Mehrtens <hauke(a)hauke-m.de>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
include/uapi/linux/libc-compat.h | 55 ++++++++++++++++++++++++++++++++++++++-
1 file changed, 54 insertions(+), 1 deletion(-)
--- a/include/uapi/linux/libc-compat.h
+++ b/include/uapi/linux/libc-compat.h
@@ -167,46 +167,99 @@
/* If we did not see any headers from any supported C libraries,
* or we are being included in the kernel, then define everything
- * that we need. */
+ * that we need. Check for previous __UAPI_* definitions to give
+ * unsupported C libraries a way to opt out of any kernel definition. */
#else /* !defined(__GLIBC__) */
/* Definitions for if.h */
+#ifndef __UAPI_DEF_IF_IFCONF
#define __UAPI_DEF_IF_IFCONF 1
+#endif
+#ifndef __UAPI_DEF_IF_IFMAP
#define __UAPI_DEF_IF_IFMAP 1
+#endif
+#ifndef __UAPI_DEF_IF_IFNAMSIZ
#define __UAPI_DEF_IF_IFNAMSIZ 1
+#endif
+#ifndef __UAPI_DEF_IF_IFREQ
#define __UAPI_DEF_IF_IFREQ 1
+#endif
/* Everything up to IFF_DYNAMIC, matches net/if.h until glibc 2.23 */
+#ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS
#define __UAPI_DEF_IF_NET_DEVICE_FLAGS 1
+#endif
/* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */
+#ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO
#define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1
+#endif
/* Definitions for in.h */
+#ifndef __UAPI_DEF_IN_ADDR
#define __UAPI_DEF_IN_ADDR 1
+#endif
+#ifndef __UAPI_DEF_IN_IPPROTO
#define __UAPI_DEF_IN_IPPROTO 1
+#endif
+#ifndef __UAPI_DEF_IN_PKTINFO
#define __UAPI_DEF_IN_PKTINFO 1
+#endif
+#ifndef __UAPI_DEF_IP_MREQ
#define __UAPI_DEF_IP_MREQ 1
+#endif
+#ifndef __UAPI_DEF_SOCKADDR_IN
#define __UAPI_DEF_SOCKADDR_IN 1
+#endif
+#ifndef __UAPI_DEF_IN_CLASS
#define __UAPI_DEF_IN_CLASS 1
+#endif
/* Definitions for in6.h */
+#ifndef __UAPI_DEF_IN6_ADDR
#define __UAPI_DEF_IN6_ADDR 1
+#endif
+#ifndef __UAPI_DEF_IN6_ADDR_ALT
#define __UAPI_DEF_IN6_ADDR_ALT 1
+#endif
+#ifndef __UAPI_DEF_SOCKADDR_IN6
#define __UAPI_DEF_SOCKADDR_IN6 1
+#endif
+#ifndef __UAPI_DEF_IPV6_MREQ
#define __UAPI_DEF_IPV6_MREQ 1
+#endif
+#ifndef __UAPI_DEF_IPPROTO_V6
#define __UAPI_DEF_IPPROTO_V6 1
+#endif
+#ifndef __UAPI_DEF_IPV6_OPTIONS
#define __UAPI_DEF_IPV6_OPTIONS 1
+#endif
+#ifndef __UAPI_DEF_IN6_PKTINFO
#define __UAPI_DEF_IN6_PKTINFO 1
+#endif
+#ifndef __UAPI_DEF_IP6_MTUINFO
#define __UAPI_DEF_IP6_MTUINFO 1
+#endif
/* Definitions for ipx.h */
+#ifndef __UAPI_DEF_SOCKADDR_IPX
#define __UAPI_DEF_SOCKADDR_IPX 1
+#endif
+#ifndef __UAPI_DEF_IPX_ROUTE_DEFINITION
#define __UAPI_DEF_IPX_ROUTE_DEFINITION 1
+#endif
+#ifndef __UAPI_DEF_IPX_INTERFACE_DEFINITION
#define __UAPI_DEF_IPX_INTERFACE_DEFINITION 1
+#endif
+#ifndef __UAPI_DEF_IPX_CONFIG_DATA
#define __UAPI_DEF_IPX_CONFIG_DATA 1
+#endif
+#ifndef __UAPI_DEF_IPX_ROUTE_DEF
#define __UAPI_DEF_IPX_ROUTE_DEF 1
+#endif
/* Definitions for xattr.h */
+#ifndef __UAPI_DEF_XATTR
#define __UAPI_DEF_XATTR 1
+#endif
#endif /* __GLIBC__ */
Patches currently in stable-queue which might be from felix.janda(a)posteo.de are
queue-4.9/uapi-libc-compat-add-fallback-for-unsupported-libcs.patch
This is a note to let you know that I've just added the patch titled
tipc: error path leak fixes in tipc_enable_bearer()
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
tipc-error-path-leak-fixes-in-tipc_enable_bearer.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:13:29 CET 2018
From: Tommi Rantala <tommi.t.rantala(a)nokia.com>
Date: Fri, 22 Dec 2017 09:35:16 +0200
Subject: tipc: error path leak fixes in tipc_enable_bearer()
From: Tommi Rantala <tommi.t.rantala(a)nokia.com>
[ Upstream commit 19142551b2be4a9e13838099fde1351386e5e007 ]
Fix memory leak in tipc_enable_bearer() if enable_media() fails, and
cleanup with bearer_disable() if tipc_mon_create() fails.
Acked-by: Ying Xue <ying.xue(a)windriver.com>
Acked-by: Jon Maloy <jon.maloy(a)ericsson.com>
Signed-off-by: Tommi Rantala <tommi.t.rantala(a)nokia.com>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
net/tipc/bearer.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -322,6 +322,7 @@ restart:
if (res) {
pr_warn("Bearer <%s> rejected, enable failure (%d)\n",
name, -res);
+ kfree(b);
return -EINVAL;
}
@@ -345,8 +346,10 @@ restart:
if (skb)
tipc_bearer_xmit_skb(net, bearer_id, skb, &b->bcast_addr);
- if (tipc_mon_create(net, bearer_id))
+ if (tipc_mon_create(net, bearer_id)) {
+ bearer_disable(net, b);
return -ENOMEM;
+ }
pr_info("Enabled bearer <%s>, discovery domain %s, priority %u\n",
name,
Patches currently in stable-queue which might be from tommi.t.rantala(a)nokia.com are
queue-4.9/tipc-error-path-leak-fixes-in-tipc_enable_bearer.patch
queue-4.9/tipc-fix-tipc_mon_delete-oops-in-tipc_enable_bearer-error-path.patch
This is a note to let you know that I've just added the patch titled
tg3: Enable PHY reset in MTU change path for 5720
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
tg3-enable-phy-reset-in-mtu-change-path-for-5720.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:13:29 CET 2018
From: Siva Reddy Kallam <siva.kallam(a)broadcom.com>
Date: Fri, 22 Dec 2017 16:05:29 +0530
Subject: tg3: Enable PHY reset in MTU change path for 5720
From: Siva Reddy Kallam <siva.kallam(a)broadcom.com>
[ Upstream commit e60ee41aaf898584205a6af5c996860d0fe6a836 ]
A customer noticed RX path hang when MTU is changed on the fly while
running heavy traffic with NCSI enabled for 5717 and 5719. Since 5720
belongs to same ASIC family, we observed same issue and same fix
could solve this problem for 5720.
Signed-off-by: Siva Reddy Kallam <siva.kallam(a)broadcom.com>
Signed-off-by: Michael Chan <michael.chan(a)broadcom.com>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/net/ethernet/broadcom/tg3.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -14238,7 +14238,8 @@ static int tg3_change_mtu(struct net_dev
*/
if (tg3_asic_rev(tp) == ASIC_REV_57766 ||
tg3_asic_rev(tp) == ASIC_REV_5717 ||
- tg3_asic_rev(tp) == ASIC_REV_5719)
+ tg3_asic_rev(tp) == ASIC_REV_5719 ||
+ tg3_asic_rev(tp) == ASIC_REV_5720)
reset_phy = true;
err = tg3_restart_hw(tp, reset_phy);
Patches currently in stable-queue which might be from siva.kallam(a)broadcom.com are
queue-4.9/tg3-enable-phy-reset-in-mtu-change-path-for-5720.patch
queue-4.9/tg3-add-workaround-to-restrict-5762-mrrs-to-2048.patch
This is a note to let you know that I've just added the patch titled
tg3: Add workaround to restrict 5762 MRRS to 2048
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum…
The filename of the patch is:
tg3-add-workaround-to-restrict-5762-mrrs-to-2048.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable(a)vger.kernel.org> know about it.
>From foo@baz Wed Feb 28 16:13:29 CET 2018
From: Siva Reddy Kallam <siva.kallam(a)broadcom.com>
Date: Fri, 22 Dec 2017 16:05:28 +0530
Subject: tg3: Add workaround to restrict 5762 MRRS to 2048
From: Siva Reddy Kallam <siva.kallam(a)broadcom.com>
[ Upstream commit 4419bb1cedcda0272e1dc410345c5a1d1da0e367 ]
One of AMD based server with 5762 hangs with jumbo frame traffic.
This AMD platform has southbridge limitation which is restricting MRRS
to 4000. As a work around, driver to restricts the MRRS to 2048 for
this particular 5762 NX1 card.
Signed-off-by: Siva Reddy Kallam <siva.kallam(a)broadcom.com>
Signed-off-by: Michael Chan <michael.chan(a)broadcom.com>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
---
drivers/net/ethernet/broadcom/tg3.c | 10 ++++++++++
drivers/net/ethernet/broadcom/tg3.h | 4 ++++
2 files changed, 14 insertions(+)
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -10049,6 +10049,16 @@ static int tg3_reset_hw(struct tg3 *tp,
tw32(GRC_MODE, tp->grc_mode | val);
+ /* On one of the AMD platform, MRRS is restricted to 4000 because of
+ * south bridge limitation. As a workaround, Driver is setting MRRS
+ * to 2048 instead of default 4096.
+ */
+ if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
+ tp->pdev->subsystem_device == TG3PCI_SUBDEVICE_ID_DELL_5762) {
+ val = tr32(TG3PCI_DEV_STATUS_CTRL) & ~MAX_READ_REQ_MASK;
+ tw32(TG3PCI_DEV_STATUS_CTRL, val | MAX_READ_REQ_SIZE_2048);
+ }
+
/* Setup the timer prescalar register. Clock is always 66Mhz. */
val = tr32(GRC_MISC_CFG);
val &= ~0xff;
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -95,6 +95,7 @@
#define TG3PCI_SUBDEVICE_ID_DELL_JAGUAR 0x0106
#define TG3PCI_SUBDEVICE_ID_DELL_MERLOT 0x0109
#define TG3PCI_SUBDEVICE_ID_DELL_SLIM_MERLOT 0x010a
+#define TG3PCI_SUBDEVICE_ID_DELL_5762 0x07f0
#define TG3PCI_SUBVENDOR_ID_COMPAQ PCI_VENDOR_ID_COMPAQ
#define TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE 0x007c
#define TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE_2 0x009a
@@ -280,6 +281,9 @@
#define TG3PCI_STD_RING_PROD_IDX 0x00000098 /* 64-bit */
#define TG3PCI_RCV_RET_RING_CON_IDX 0x000000a0 /* 64-bit */
/* 0xa8 --> 0xb8 unused */
+#define TG3PCI_DEV_STATUS_CTRL 0x000000b4
+#define MAX_READ_REQ_SIZE_2048 0x00004000
+#define MAX_READ_REQ_MASK 0x00007000
#define TG3PCI_DUAL_MAC_CTRL 0x000000b8
#define DUAL_MAC_CTRL_CH_MASK 0x00000003
#define DUAL_MAC_CTRL_ID 0x00000004
Patches currently in stable-queue which might be from siva.kallam(a)broadcom.com are
queue-4.9/tg3-enable-phy-reset-in-mtu-change-path-for-5720.patch
queue-4.9/tg3-add-workaround-to-restrict-5762-mrrs-to-2048.patch