From: Sasha Levin <sashal@kernel.org>
To: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
"David S . Miller" <davem@davemloft.net>,
oss-drivers@netronome.com, netdev@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 4.19 094/258] nfp: add locking around representor changes
Date: Mon, 28 Jan 2019 12:21:43 -0500 [thread overview]
Message-ID: <20190128172143.GE3973@sasha-vm> (raw)
In-Reply-To: <20190128082825.4c8394a6@cakuba.hsd1.ca.comcast.net>
On Mon, Jan 28, 2019 at 08:28:25AM -0800, Jakub Kicinski wrote:
>On Mon, 28 Jan 2019 10:56:40 -0500, Sasha Levin wrote:
>> From: Jakub Kicinski <jakub.kicinski@netronome.com>
>>
>> [ Upstream commit 71844fac1ed459024dd2a448d63d5b28b8c87daa ]
>>
>> Up until now we never needed to keep a networking locks around
>> representors accesses, we only accessed them when device was
>> reconfigured (under nfp pf->lock) or on fast path (under RCU).
>> Now we want to be able to iterate over all representors during
>> notifications, so make sure representor assignment is done
>> under RTNL lock.
>>
>> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
>> Reviewed-by: John Hurley <john.hurley@netronome.com>
>> Signed-off-by: David S. Miller <davem@davemloft.net>
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
>
>Hi Sasha!
>
>There is no need for backporting this unless 51a6588e8c08 ("nfp: add
>offloads on representors") is also back ported (which is a feature).
I'll drop it. Thanks for the heads-up.
--
Thanks,
Sasha
next prev parent reply other threads:[~2019-01-28 17:21 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20190128155924.51521-1-sashal@kernel.org>
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 011/258] wil6210: fix reset flow for Talyn-mb Sasha Levin
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 012/258] wil6210: fix memory leak in wil_find_tx_bcast_2 Sasha Levin
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 013/258] ath10k: assign 'n_cipher_suites' for WCN3990 Sasha Levin
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 014/258] ath9k: dynack: use authentication messages for 'late' ack Sasha Levin
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 030/258] ptp: check gettime64 return code in PTP_SYS_OFFSET ioctl Sasha Levin
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 033/258] sctp: Fix SKB list traversal in sctp_intl_store_ordered() Sasha Levin
2019-01-28 18:09 ` Marcelo Ricardo Leitner
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 034/258] sctp: Fix SKB list traversal in sctp_intl_store_reasm() Sasha Levin
2019-01-28 17:04 ` Marcelo Ricardo Leitner
2019-01-28 18:04 ` Sasha Levin
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 035/258] iwlwifi: fw: do not set sgi bits for HE connection Sasha Levin
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 042/258] i40e: prevent overlapping tx_timeout recover Sasha Levin
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 045/258] usbnet: smsc95xx: fix rx packet alignment Sasha Levin
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 050/258] bpf: libbpf: retry map creation without the name Sasha Levin
2019-01-28 15:55 ` [PATCH AUTOSEL 4.19 051/258] net/mlx5: EQ, Use the right place to store/read IRQ affinity hint Sasha Levin
2019-01-28 15:56 ` [PATCH AUTOSEL 4.19 063/258] ptp: Fix pass zero to ERR_PTR() in ptp_clock_register Sasha Levin
2019-01-28 15:56 ` [PATCH AUTOSEL 4.19 078/258] net: aquantia: return 'err' if set MPI_DEINIT state fails Sasha Levin
2019-01-28 15:56 ` [PATCH AUTOSEL 4.19 090/258] mt76x0: dfs: fix IBI_R11 configuration on non-radar channels Sasha Levin
2019-01-28 15:56 ` [PATCH AUTOSEL 4.19 094/258] nfp: add locking around representor changes Sasha Levin
2019-01-28 16:28 ` Jakub Kicinski
2019-01-28 17:21 ` Sasha Levin [this message]
2019-01-28 15:56 ` [PATCH AUTOSEL 4.19 110/258] tipc: fix node keep alive interval calculation Sasha Levin
2019-01-28 15:57 ` [PATCH AUTOSEL 4.19 143/258] mlxsw: spectrum_acl: Limit priority value Sasha Levin
2019-01-28 15:57 ` [PATCH AUTOSEL 4.19 146/258] selftests/bpf: use __bpf_constant_htons in test_prog.c Sasha Levin
2019-01-28 15:57 ` [PATCH AUTOSEL 4.19 171/258] bnxt_en: Disable MSIX before re-reserving NQs/CMPL rings Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 182/258] net: hns3: fix incomplete uninitialization of IRQ in the hns3_nic_uninit_vector_data() Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 187/258] mac80211: fix radiotap vendor presence bitmap handling Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 188/258] xfrm6_tunnel: Fix spi check in __xfrm6_tunnel_alloc_spi Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 189/258] mlxsw: spectrum: Properly cleanup LAG uppers when removing port from LAG Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 193/258] cw1200: Fix concurrency use-after-free bugs in cw1200_hw_scan() Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 194/258] net: hns3: add max vector number check for pf Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 196/258] iwlwifi: mvm: fix setting HE ppe FW config Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 198/258] mlx5: update timecounter at least twice per counter overflow Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 207/258] i40e: define proper net_device::neigh_priv_len Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 208/258] ice: Do not enable NAPI on q_vectors that have no rings Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 209/258] igb: Fix an issue that PME is not enabled during runtime suspend Sasha Levin
2019-01-28 15:58 ` [PATCH AUTOSEL 4.19 229/258] niu: fix missing checks of niu_pci_eeprom_read Sasha Levin
2019-01-28 15:59 ` [PATCH AUTOSEL 4.19 240/258] isdn: hisax: hfc_pci: Fix a possible concurrency use-after-free bug in HFCPCI_l1hw() Sasha Levin
2019-01-28 15:59 ` [PATCH AUTOSEL 4.19 242/258] fsl/fman: Use GFP_ATOMIC in {memac,tgec}_add_hash_mac_address() Sasha Levin
2019-01-28 15:59 ` [PATCH AUTOSEL 4.19 248/258] bpf: fix check_map_access smin_value test when pointer contains offset Sasha Levin
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