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Groups > linux.kernel > #1639348 > unrolled thread
| Started by | Honggang LI <honli@redhat.com> |
|---|---|
| First post | 2017-05-11 14:20 +0200 |
| Last post | 2017-05-11 14:50 +0200 |
| Articles | 3 — 3 participants |
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[PATCH] IB/IPoIB: Replace netdev_priv with ipoib_priv for ipoib_get_link_ksettings Honggang LI <honli@redhat.com> - 2017-05-11 14:20 +0200
Re: [PATCH] IB/IPoIB: Replace netdev_priv with ipoib_priv for ipoib_get_link_ksettings Yuval Shaia <yuval.shaia@oracle.com> - 2017-05-11 14:40 +0200
Re: [PATCH] IB/IPoIB: Replace netdev_priv with ipoib_priv for ipoib_get_link_ksettings Leon Romanovsky <leon@kernel.org> - 2017-05-11 14:50 +0200
| From | Honggang LI <honli@redhat.com> |
|---|---|
| Date | 2017-05-11 14:20 +0200 |
| Subject | [PATCH] IB/IPoIB: Replace netdev_priv with ipoib_priv for ipoib_get_link_ksettings |
| Message-ID | <tFVey-6c7-23@gated-at.bofh.it> |
From: Honggang Li <honli@redhat.com>
ipoib_dev_init accesses the private data for IPoIB net_device with
ipoib_priv. ipoib_get_link_ksettings should do as ipoib_dev_init.
Otherwise kernel panic.
[ 27.271938] IPv6: ADDRCONF(NETDEV_CHANGE): mlx5_ib0.8006: link becomes ready
[ 28.156790] BUG: unable to handle kernel NULL pointer dereference at 000000000000067c
[ 28.166309] IP: ib_query_port+0x30/0x180 [ib_core]
[ 28.172364] PGD 0
[ 28.172364] P4D 0
[ 28.175307]
[ 28.180595] Oops: 0000 [#1] SMP
[ 28.184802] Modules linked in: bridge 8021q garp mrp stp llc rpcrdma ib_isert iscsi_target_mod ib_iser libiscsi scsi_transport_iscsi ib_srpt target_core_mod ib_srp scsi_transport_srp ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm mlx5_ib ib_core intel_rapl sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel ipmi_ssif crypto_simd glue_helper cryptd iTCO_wdt ipmi_si iTCO_vendor_support wmi pcspkr ipmi_devintf dcdbas ipmi_msghandler lpc_ich sg mei_me mei shpchp acpi_power_meter nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc ip_tables xfs libcrc32c sd_mod mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm mlx5_core drm tg3 devlink ahci libahci ptp libata
[ 28.270227] crc32c_intel i2c_core pps_core dm_mirror dm_region_hash dm_log dm_mod
[ 28.279674] CPU: 0 PID: 1766 Comm: libvirtd Not tainted 4.11.0.56868a4.20170510+ #1
[ 28.289242] Hardware name: Dell Inc. PowerEdge R430/03XKDV, BIOS 1.6.2 01/08/2016
[ 28.298628] task: ffff8b4777311680 task.stack: ffffb9ab0f7ac000
[ 28.306282] RIP: 0010:ib_query_port+0x30/0x180 [ib_core]
[ 28.313249] RSP: 0018:ffffb9ab0f7afbb0 EFLAGS: 00010246
[ 28.320128] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 28.329169] RDX: ffffb9ab0f7afc00 RSI: 0000000000000000 RDI: 0000000000000000
[ 28.338202] RBP: ffffb9ab0f7afbf0 R08: 0000000000000000 R09: 0000000000000000
[ 28.347246] R10: 0000000000001000 R11: 0000000000000000 R12: 0000000000000000
[ 28.356284] R13: ffffb9ab0f7afc00 R14: ffffb9ab0f7afef0 R15: ffff8b377eae9b80
[ 28.365316] FS: 00007f9aed612700(0000) GS:ffff8b377f800000(0000) knlGS:0000000000000000
[ 28.375431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.383724] CR2: 000000000000067c CR3: 000000202aa7c000 CR4: 00000000001406f0
[ 28.393337] Call Trace:
[ 28.397594] ipoib_get_link_ksettings+0x66/0xe0 [ib_ipoib]
[ 28.405274] __ethtool_get_link_ksettings+0xa0/0x1c0
[ 28.412353] speed_show+0x74/0xa0
[ 28.417503] dev_attr_show+0x20/0x50
[ 28.422922] ? mutex_lock+0x12/0x40
[ 28.428179] sysfs_kf_seq_show+0xbf/0x1a0
[ 28.434002] kernfs_seq_show+0x21/0x30
[ 28.439470] seq_read+0x116/0x3b0
[ 28.444445] ? do_filp_open+0xa5/0x100
[ 28.449774] kernfs_fop_read+0xff/0x180
[ 28.455220] __vfs_read+0x37/0x150
[ 28.460167] ? security_file_permission+0x9d/0xc0
[ 28.466560] vfs_read+0x8c/0x130
[ 28.471318] SyS_read+0x55/0xc0
[ 28.475950] do_syscall_64+0x67/0x150
[ 28.481163] entry_SYSCALL64_slow_path+0x25/0x25
[ 28.487425] RIP: 0033:0x7f9b1bf4a70d
[ 28.492522] RSP: 002b:00007f9aed611a40 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
[ 28.502097] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b1bf4a70d
[ 28.511178] RDX: 0000000000000401 RSI: 00007f9ae8183650 RDI: 0000000000000017
[ 28.520261] RBP: 0000000000000401 R08: 0000000000000080 R09: 0000000000002001
[ 28.529322] R10: 000000000000006b R11: 0000000000000293 R12: 00007f9ae8183650
[ 28.538368] R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000002001
[ 28.547432] Code: 55 48 89 e5 41 55 49 89 d5 41 54 44 0f b6 e6 53 48 89 fb 48 83 e4 f0 48 83 ec 20 65 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 <f6> 87 7c 06 00 00 01 75 2d 45 85 e4 0f 85 ca 00 00 00 b8 ea ff
[ 28.570861] RIP: ib_query_port+0x30/0x180 [ib_core] RSP: ffffb9ab0f7afbb0
[ 28.579601] CR2: 000000000000067c
[ 28.584493] ---[ end trace 3549968a4bf0aa5d ]---
Fixes: 0d7e2d2166f6 ('IB/ipoib: add get_link_ksettings in ethtool')
Signed-off-by: Honggang Li <honli@redhat.com>
---
drivers/infiniband/ulp/ipoib/ipoib_ethtool.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index 874b243..7871379 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -178,7 +178,7 @@ static inline int ib_speed_enum_to_int(int speed)
static int ipoib_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *cmd)
{
- struct ipoib_dev_priv *priv = netdev_priv(netdev);
+ struct ipoib_dev_priv *priv = ipoib_priv(netdev);
struct ib_port_attr attr;
int ret, speed, width;
--
1.8.3.1
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| From | Yuval Shaia <yuval.shaia@oracle.com> |
|---|---|
| Date | 2017-05-11 14:40 +0200 |
| Subject | Re: [PATCH] IB/IPoIB: Replace netdev_priv with ipoib_priv for ipoib_get_link_ksettings |
| Message-ID | <tFVxT-6it-7@gated-at.bofh.it> |
| In reply to | #1639348 |
On Thu, May 11, 2017 at 08:14:28PM +0800, Honggang LI wrote:
> From: Honggang Li <honli@redhat.com>
>
> ipoib_dev_init accesses the private data for IPoIB net_device with
> ipoib_priv. ipoib_get_link_ksettings should do as ipoib_dev_init.
> Otherwise kernel panic.
>
> [ 27.271938] IPv6: ADDRCONF(NETDEV_CHANGE): mlx5_ib0.8006: link becomes ready
> [ 28.156790] BUG: unable to handle kernel NULL pointer dereference at 000000000000067c
> [ 28.166309] IP: ib_query_port+0x30/0x180 [ib_core]
> [ 28.172364] PGD 0
> [ 28.172364] P4D 0
> [ 28.175307]
> [ 28.180595] Oops: 0000 [#1] SMP
> [ 28.184802] Modules linked in: bridge 8021q garp mrp stp llc rpcrdma ib_isert iscsi_target_mod ib_iser libiscsi scsi_transport_iscsi ib_srpt target_core_mod ib_srp scsi_transport_srp ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm mlx5_ib ib_core intel_rapl sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel ipmi_ssif crypto_simd glue_helper cryptd iTCO_wdt ipmi_si iTCO_vendor_support wmi pcspkr ipmi_devintf dcdbas ipmi_msghandler lpc_ich sg mei_me mei shpchp acpi_power_meter nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc ip_tables xfs libcrc32c sd_mod mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm mlx5_core drm tg3 devlink ahci libahci ptp libata
> [ 28.270227] crc32c_intel i2c_core pps_core dm_mirror dm_region_hash dm_log dm_mod
> [ 28.279674] CPU: 0 PID: 1766 Comm: libvirtd Not tainted 4.11.0.56868a4.20170510+ #1
> [ 28.289242] Hardware name: Dell Inc. PowerEdge R430/03XKDV, BIOS 1.6.2 01/08/2016
> [ 28.298628] task: ffff8b4777311680 task.stack: ffffb9ab0f7ac000
> [ 28.306282] RIP: 0010:ib_query_port+0x30/0x180 [ib_core]
> [ 28.313249] RSP: 0018:ffffb9ab0f7afbb0 EFLAGS: 00010246
> [ 28.320128] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
> [ 28.329169] RDX: ffffb9ab0f7afc00 RSI: 0000000000000000 RDI: 0000000000000000
> [ 28.338202] RBP: ffffb9ab0f7afbf0 R08: 0000000000000000 R09: 0000000000000000
> [ 28.347246] R10: 0000000000001000 R11: 0000000000000000 R12: 0000000000000000
> [ 28.356284] R13: ffffb9ab0f7afc00 R14: ffffb9ab0f7afef0 R15: ffff8b377eae9b80
> [ 28.365316] FS: 00007f9aed612700(0000) GS:ffff8b377f800000(0000) knlGS:0000000000000000
> [ 28.375431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 28.383724] CR2: 000000000000067c CR3: 000000202aa7c000 CR4: 00000000001406f0
> [ 28.393337] Call Trace:
> [ 28.397594] ipoib_get_link_ksettings+0x66/0xe0 [ib_ipoib]
> [ 28.405274] __ethtool_get_link_ksettings+0xa0/0x1c0
> [ 28.412353] speed_show+0x74/0xa0
> [ 28.417503] dev_attr_show+0x20/0x50
> [ 28.422922] ? mutex_lock+0x12/0x40
> [ 28.428179] sysfs_kf_seq_show+0xbf/0x1a0
> [ 28.434002] kernfs_seq_show+0x21/0x30
> [ 28.439470] seq_read+0x116/0x3b0
> [ 28.444445] ? do_filp_open+0xa5/0x100
> [ 28.449774] kernfs_fop_read+0xff/0x180
> [ 28.455220] __vfs_read+0x37/0x150
> [ 28.460167] ? security_file_permission+0x9d/0xc0
> [ 28.466560] vfs_read+0x8c/0x130
> [ 28.471318] SyS_read+0x55/0xc0
> [ 28.475950] do_syscall_64+0x67/0x150
> [ 28.481163] entry_SYSCALL64_slow_path+0x25/0x25
> [ 28.487425] RIP: 0033:0x7f9b1bf4a70d
> [ 28.492522] RSP: 002b:00007f9aed611a40 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
> [ 28.502097] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b1bf4a70d
> [ 28.511178] RDX: 0000000000000401 RSI: 00007f9ae8183650 RDI: 0000000000000017
> [ 28.520261] RBP: 0000000000000401 R08: 0000000000000080 R09: 0000000000002001
> [ 28.529322] R10: 000000000000006b R11: 0000000000000293 R12: 00007f9ae8183650
> [ 28.538368] R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000002001
> [ 28.547432] Code: 55 48 89 e5 41 55 49 89 d5 41 54 44 0f b6 e6 53 48 89 fb 48 83 e4 f0 48 83 ec 20 65 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 <f6> 87 7c 06 00 00 01 75 2d 45 85 e4 0f 85 ca 00 00 00 b8 ea ff
> [ 28.570861] RIP: ib_query_port+0x30/0x180 [ib_core] RSP: ffffb9ab0f7afbb0
> [ 28.579601] CR2: 000000000000067c
> [ 28.584493] ---[ end trace 3549968a4bf0aa5d ]---
>
> Fixes: 0d7e2d2166f6 ('IB/ipoib: add get_link_ksettings in ethtool')
>
> Signed-off-by: Honggang Li <honli@redhat.com>
> ---
> drivers/infiniband/ulp/ipoib/ipoib_ethtool.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
> index 874b243..7871379 100644
> --- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
> +++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
> @@ -178,7 +178,7 @@ static inline int ib_speed_enum_to_int(int speed)
> static int ipoib_get_link_ksettings(struct net_device *netdev,
> struct ethtool_link_ksettings *cmd)
> {
> - struct ipoib_dev_priv *priv = netdev_priv(netdev);
> + struct ipoib_dev_priv *priv = ipoib_priv(netdev);
> struct ib_port_attr attr;
> int ret, speed, width;
>
Suggesting to remove kernel oops from commit log message, fix is trivial.
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
> --
> 1.8.3.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
> the body of a message to majordomo@vger.kernel.org
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[toc] | [prev] | [next] | [standalone]
| From | Leon Romanovsky <leon@kernel.org> |
|---|---|
| Date | 2017-05-11 14:50 +0200 |
| Subject | Re: [PATCH] IB/IPoIB: Replace netdev_priv with ipoib_priv for ipoib_get_link_ksettings |
| Message-ID | <tFVHA-6lJ-17@gated-at.bofh.it> |
| In reply to | #1639365 |
[Multipart message — attachments visible in raw view] — view raw
On Thu, May 11, 2017 at 03:31:10PM +0300, Yuval Shaia wrote:
> On Thu, May 11, 2017 at 08:14:28PM +0800, Honggang LI wrote:
> > From: Honggang Li <honli@redhat.com>
> >
> > ipoib_dev_init accesses the private data for IPoIB net_device with
> > ipoib_priv. ipoib_get_link_ksettings should do as ipoib_dev_init.
> > Otherwise kernel panic.
> >
> > [ 27.271938] IPv6: ADDRCONF(NETDEV_CHANGE): mlx5_ib0.8006: link becomes ready
> > [ 28.156790] BUG: unable to handle kernel NULL pointer dereference at 000000000000067c
> > [ 28.166309] IP: ib_query_port+0x30/0x180 [ib_core]
> > [ 28.172364] PGD 0
> > [ 28.172364] P4D 0
> > [ 28.175307]
> > [ 28.180595] Oops: 0000 [#1] SMP
> > [ 28.184802] Modules linked in: bridge 8021q garp mrp stp llc rpcrdma ib_isert iscsi_target_mod ib_iser libiscsi scsi_transport_iscsi ib_srpt target_core_mod ib_srp scsi_transport_srp ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm mlx5_ib ib_core intel_rapl sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel ipmi_ssif crypto_simd glue_helper cryptd iTCO_wdt ipmi_si iTCO_vendor_support wmi pcspkr ipmi_devintf dcdbas ipmi_msghandler lpc_ich sg mei_me mei shpchp acpi_power_meter nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc ip_tables xfs libcrc32c sd_mod mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm mlx5_core drm tg3 devlink ahci libahci ptp libata
> > [ 28.270227] crc32c_intel i2c_core pps_core dm_mirror dm_region_hash dm_log dm_mod
> > [ 28.279674] CPU: 0 PID: 1766 Comm: libvirtd Not tainted 4.11.0.56868a4.20170510+ #1
> > [ 28.289242] Hardware name: Dell Inc. PowerEdge R430/03XKDV, BIOS 1.6.2 01/08/2016
> > [ 28.298628] task: ffff8b4777311680 task.stack: ffffb9ab0f7ac000
> > [ 28.306282] RIP: 0010:ib_query_port+0x30/0x180 [ib_core]
> > [ 28.313249] RSP: 0018:ffffb9ab0f7afbb0 EFLAGS: 00010246
> > [ 28.320128] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
> > [ 28.329169] RDX: ffffb9ab0f7afc00 RSI: 0000000000000000 RDI: 0000000000000000
> > [ 28.338202] RBP: ffffb9ab0f7afbf0 R08: 0000000000000000 R09: 0000000000000000
> > [ 28.347246] R10: 0000000000001000 R11: 0000000000000000 R12: 0000000000000000
> > [ 28.356284] R13: ffffb9ab0f7afc00 R14: ffffb9ab0f7afef0 R15: ffff8b377eae9b80
> > [ 28.365316] FS: 00007f9aed612700(0000) GS:ffff8b377f800000(0000) knlGS:0000000000000000
> > [ 28.375431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [ 28.383724] CR2: 000000000000067c CR3: 000000202aa7c000 CR4: 00000000001406f0
> > [ 28.393337] Call Trace:
> > [ 28.397594] ipoib_get_link_ksettings+0x66/0xe0 [ib_ipoib]
> > [ 28.405274] __ethtool_get_link_ksettings+0xa0/0x1c0
> > [ 28.412353] speed_show+0x74/0xa0
> > [ 28.417503] dev_attr_show+0x20/0x50
> > [ 28.422922] ? mutex_lock+0x12/0x40
> > [ 28.428179] sysfs_kf_seq_show+0xbf/0x1a0
> > [ 28.434002] kernfs_seq_show+0x21/0x30
> > [ 28.439470] seq_read+0x116/0x3b0
> > [ 28.444445] ? do_filp_open+0xa5/0x100
> > [ 28.449774] kernfs_fop_read+0xff/0x180
> > [ 28.455220] __vfs_read+0x37/0x150
> > [ 28.460167] ? security_file_permission+0x9d/0xc0
> > [ 28.466560] vfs_read+0x8c/0x130
> > [ 28.471318] SyS_read+0x55/0xc0
> > [ 28.475950] do_syscall_64+0x67/0x150
> > [ 28.481163] entry_SYSCALL64_slow_path+0x25/0x25
> > [ 28.487425] RIP: 0033:0x7f9b1bf4a70d
> > [ 28.492522] RSP: 002b:00007f9aed611a40 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
> > [ 28.502097] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b1bf4a70d
> > [ 28.511178] RDX: 0000000000000401 RSI: 00007f9ae8183650 RDI: 0000000000000017
> > [ 28.520261] RBP: 0000000000000401 R08: 0000000000000080 R09: 0000000000002001
> > [ 28.529322] R10: 000000000000006b R11: 0000000000000293 R12: 00007f9ae8183650
> > [ 28.538368] R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000002001
> > [ 28.547432] Code: 55 48 89 e5 41 55 49 89 d5 41 54 44 0f b6 e6 53 48 89 fb 48 83 e4 f0 48 83 ec 20 65 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 <f6> 87 7c 06 00 00 01 75 2d 45 85 e4 0f 85 ca 00 00 00 b8 ea ff
> > [ 28.570861] RIP: ib_query_port+0x30/0x180 [ib_core] RSP: ffffb9ab0f7afbb0
> > [ 28.579601] CR2: 000000000000067c
> > [ 28.584493] ---[ end trace 3549968a4bf0aa5d ]---
> >
> > Fixes: 0d7e2d2166f6 ('IB/ipoib: add get_link_ksettings in ethtool')
> >
> > Signed-off-by: Honggang Li <honli@redhat.com>
> > ---
> > drivers/infiniband/ulp/ipoib/ipoib_ethtool.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
> > index 874b243..7871379 100644
> > --- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
> > +++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
> > @@ -178,7 +178,7 @@ static inline int ib_speed_enum_to_int(int speed)
> > static int ipoib_get_link_ksettings(struct net_device *netdev,
> > struct ethtool_link_ksettings *cmd)
> > {
> > - struct ipoib_dev_priv *priv = netdev_priv(netdev);
> > + struct ipoib_dev_priv *priv = ipoib_priv(netdev);
> > struct ib_port_attr attr;
> > int ret, speed, width;
> >
>
> Suggesting to remove kernel oops from commit log message, fix is trivial.
Please don't, they are useful.
>
> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
>
Thanks,
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
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