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2020-02-14net: dsa: tag_ar9331: Make sure there is headroom for tagPer Forlin1-1/+1
Passing tag size to skb_cow_head will make sure there is enough headroom for the tag data. This change does not introduce any overhead in case there is already available headroom for tag. Signed-off-by: Per Forlin <perfn@axis.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-14net: dsa: tag_qca: Make sure there is headroom for tagPer Forlin1-1/+1
Passing tag size to skb_cow_head will make sure there is enough headroom for the tag data. This change does not introduce any overhead in case there is already available headroom for tag. Signed-off-by: Per Forlin <perfn@axis.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-14net, ip6_tunnel: enhance tunnel locate with link checkWilliam Dauchy1-21/+47
With ipip, it is possible to create an extra interface explicitly attached to a given physical interface: # ip link show tunl0 4: tunl0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 # ip link add tunl1 type ipip dev eth0 # ip link show tunl1 6: tunl1@eth0: <NOARP> mtu 1480 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 But it is not possible with ip6tnl: # ip link show ip6tnl0 5: ip6tnl0@NONE: <NOARP> mtu 1452 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/tunnel6 :: brd :: # ip link add ip6tnl1 type ip6tnl dev eth0 RTNETLINK answers: File exists This patch aims to make it possible by adding link comparaison in both tunnel locate and lookup functions; we also modify mtu calculation when attached to an interface with a lower mtu. This permits to make use of x-netns communication by moving the newly created tunnel in a given netns. Signed-off-by: William Dauchy <w.dauchy@criteo.com> Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-14net/smc: no peer ID in CLC decline for SMCDUrsula Braun1-1/+3
Just SMCR requires a CLC Peer ID, but not SMCD. The field should be zero for SMCD. Fixes: c758dfddc1b5 ("net/smc: add SMC-D support in CLC messages") Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-14net/smc: transfer fasync_list in case of fallbackUrsula Braun1-0/+2
SMC does not work together with FASTOPEN. If sendmsg() is called with flag MSG_FASTOPEN in SMC_INIT state, the SMC-socket switches to fallback mode. To handle the previous ioctl FIOASYNC call correctly in this case, it is necessary to transfer the socket wait queue fasync_list to the internal TCP socket. Reported-by: syzbot+4b1fe8105f8044a26162@syzkaller.appspotmail.com Fixes: ee9dfbef02d18 ("net/smc: handle sockopts forcing fallback") Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-14net: hns3: fix a copying IPv6 address error in hclge_fd_get_flow_tuples()Guangbin Huang1-6/+9
The IPv6 address defined in struct in6_addr is specified as big endian, but there is no specified endian in struct hclge_fd_rule_tuples, so it will cause a problem if directly use memcpy() to copy ipv6 address between these two structures since this field in struct hclge_fd_rule_tuples is little endian. This patch fixes this problem by using be32_to_cpu() to convert endian of IPv6 address of struct in6_addr before copying. Fixes: d93ed94fbeaf ("net: hns3: add aRFS support for PF") Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-14net: hns3: fix VF bandwidth does not take effect in some caseYonglong Liu1-1/+1
When enabling 4 TC after setting the bandwidth of VF, the bandwidth of VF will resume to default value, because of the qset resources changed in this case. This patch fixes it by using a fixed VF's qset resources according to HNAE3_MAX_TC macro. Fixes: ee9e44248f52 ("net: hns3: add support for configuring bandwidth of VF on the host") Signed-off-by: Yonglong Liu <liuyonglong@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-14net: hns3: add management table after IMP resetYufeng Mo1-0/+7
In the current process, the management table is missing after the IMP reset. This patch adds the management table to the reset process. Fixes: f5aac71c0327 ("net: hns3: add manager table initialization for hardware") Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-14perf llvm: Fix script used to obtain kernel make directives to work with new kbuildArnaldo Carvalho de Melo1-0/+1
Before this patch: # ./perf test 39 41 39: LLVM search and compile : 39.1: Basic BPF llvm compile : Ok 39.2: kbuild searching : FAILED! 39.3: Compile source for BPF prologue generation : Skip 39.4: Compile source for BPF relocation : Skip 41: BPF filter : 41.1: Basic BPF filtering : Ok 41.2: BPF pinning : Ok 41.3: BPF prologue generation : FAILED! 41.4: BPF relocation checker : Skip # Using 'perf test -v' for these tests shows that it is not finding uapi/linux/fs.h, which ends up being because we don't setup the right header path. Fix it. After this patch: # perf test 39 41 39: LLVM search and compile : 39.1: Basic BPF llvm compile : Ok 39.2: kbuild searching : Ok 39.3: Compile source for BPF prologue generation : Ok 39.4: Compile source for BPF relocation : Ok 41: BPF filter : 41.1: Basic BPF filtering : Ok 41.2: BPF pinning : Ok 41.3: BPF prologue generation : Ok 41.4: BPF relocation checker : Ok # Longer description: In llvm-utils.c we use some techniques to obtain the kbuild make directives and that recently stopped working as now 'ar' gets called and expects to find the dummy.o used to echo these variables: $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) Add the $(CC) line to satisfy that, making sure this works with all kernels, i.e. preserving the temp directory and files in it used for this technique we can see that it works everywhere: # make -s -C /lib/modules/5.4.18-100.fc30.x86_64/build M=/tmp/tmp.qgaFHgxjZ4/ clean # ls -la /tmp/tmp.qgaFHgxjZ4/ total 4 drwx------. 2 root root 80 Feb 14 09:42 . drwxrwxrwt. 47 root root 1200 Feb 14 09:42 .. -rw-r--r--. 1 root root 0 Feb 13 17:14 dummy.c -rw-r--r--. 1 root root 121 Feb 13 17:14 Makefile # # cat /tmp/tmp.qgaFHgxjZ4/Makefile obj-y := dummy.o $(obj)/%.o: $(src)/%.c @echo -n "$(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS)" $(CC) -c -o $@ $< # Then build with an old kernel Makefile: # make -s -C /lib/modules/5.4.18-100.fc30.x86_64/build M=/tmp/tmp.qgaFHgxjZ4/ dummy.o -nostdinc -isystem /usr/lib/gcc/x86_64-redhat-linux/9/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h # # ls -la /tmp/tmp.qgaFHgxjZ4/ total 8 drwx------. 2 root root 100 Feb 14 09:43 . drwxrwxrwt. 47 root root 1200 Feb 14 09:43 .. -rw-r--r--. 1 root root 0 Feb 13 17:14 dummy.c -rw-r--r--. 1 root root 936 Feb 14 09:43 dummy.o -rw-r--r--. 1 root root 121 Feb 13 17:14 Makefile # And a new one: # make -s -C /lib/modules/5.4.18-100.fc30.x86_64/build M=/tmp/tmp.qgaFHgxjZ4/ clean # ls -la /tmp/tmp.qgaFHgxjZ4/ total 4 drwx------. 2 root root 80 Feb 14 09:43 . drwxrwxrwt. 47 root root 1200 Feb 14 09:43 .. -rw-r--r--. 1 root root 0 Feb 13 17:14 dummy.c -rw-r--r--. 1 root root 121 Feb 13 17:14 Makefile # make -s -C /lib/modules/5.6.0-rc1+/build M=/tmp/tmp.qgaFHgxjZ4/ dummy.o -nostdinc -isystem /usr/lib/gcc/x86_64-redhat-linux/9/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 # # ls -la /tmp/tmp.qgaFHgxjZ4/ total 16 drwx------. 2 root root 160 Feb 14 09:44 . drwxrwxrwt. 47 root root 1200 Feb 14 09:44 .. -rw-r--r--. 1 root root 158 Feb 14 09:44 built-in.a -rw-r--r--. 1 root root 149 Feb 14 09:44 .built-in.a.cmd -rw-r--r--. 1 root root 0 Feb 13 17:14 dummy.c -rw-r--r--. 1 root root 936 Feb 14 09:44 dummy.o -rw-r--r--. 1 root root 121 Feb 13 17:14 Makefile -rw-r--r--. 1 root root 0 Feb 14 09:44 modules.order # Reported-by: Thomas Richter <tmricht@linux.ibm.com> Tested-by: Thomas Richter <tmricht@linux.ibm.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: He Kuang <hekuang@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Sumanth Korikkar <sumanthk@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Wang Nan <wangnan0@huawei.com> Cc: Zefan Li <lizefan@huawei.com> Link: https://www.spinics.net/lists/linux-perf-users/msg10600.html Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-02-14mac80211: fix wrong 160/80+80 MHz settingShay Bar1-2/+14
Before this patch, STA's would set new width of 160/80+80 MHz based on AP capability only. This is wrong because STA may not support > 80MHz BW. Fix is to verify STA has 160/80+80 MHz capability before increasing its width to > 80MHz. The "support_80_80" and "support_160" setting is based on: "Table 9-272 — Setting of the Supported Channel Width Set subfield and Extended NSS BW Support subfield at a STA transmitting the VHT Capabilities Information field" From "Draft P802.11REVmd_D3.0.pdf" Signed-off-by: Aviad Brikman <aviad.brikman@celeno.com> Signed-off-by: Shay Bar <shay.bar@celeno.com> Link: https://lore.kernel.org/r/20200210130728.23674-1-shay.bar@celeno.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-02-14cfg80211: add missing policy for NL80211_ATTR_STATUS_CODESergey Matyukevich1-0/+1
The nl80211_policy is missing for NL80211_ATTR_STATUS_CODE attribute. As a result, for strictly validated commands, it's assumed to not be supported. Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com> Link: https://lore.kernel.org/r/20200213131608.10541-2-sergey.matyukevich.os@quantenna.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-02-13io_uring: prune request from overflow list on flushJens Axboe1-0/+28
Carter reported an issue where he could produce a stall on ring exit, when we're cleaning up requests that match the given file table. For this particular test case, a combination of a few things caused the issue: - The cq ring was overflown - The request being canceled was in the overflow list The combination of the above means that the cq overflow list holds a reference to the request. The request is canceled correctly, but since the overflow list holds a reference to it, the final put won't happen. Since the final put doesn't happen, the request remains in the inflight. Hence we never finish the cancelation flush. Fix this by removing requests from the overflow list if we're canceling them. Cc: stable@vger.kernel.org # 5.5 Reported-by: Carter Li 李通洲 <carter.li@eoitek.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-02-13xfrm: interface: use icmp_ndo_send helperJason A. Donenfeld1-3/+3
Because xfrmi is calling icmp from network device context, it should use the ndo helper so that the rate limiting applies correctly. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com> Cc: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-13wireguard: device: use icmp_ndo_send helperJason A. Donenfeld2-2/+13
Because wireguard is calling icmp from network device context, it should use the ndo helper so that the rate limiting applies correctly. This commit adds a small test to the wireguard test suite to ensure that the new functions continue doing the right thing in the context of wireguard. It does this by setting up a condition that will definately evoke an icmp error message from the driver, but along a nat'd path. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-13sunvnet: use icmp_ndo_send helperJason A. Donenfeld1-19/+4
Because sunvnet is calling icmp from network device context, it should use the ndo helper so that the rate limiting applies correctly. While we're at it, doing the additional route lookup before calling icmp_ndo_send is superfluous, since this is the job of the icmp code in the first place. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-13gtp: use icmp_ndo_send helperJason A. Donenfeld1-2/+2
Because gtp is calling icmp from network device context, it should use the ndo helper so that the rate limiting applies correctly. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Harald Welte <laforge@gnumonks.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-13icmp: introduce helper for nat'd source address in network device contextJason A. Donenfeld4-0/+79
This introduces a helper function to be called only by network drivers that wraps calls to icmp[v6]_send in a conntrack transformation, in case NAT has been used. We don't want to pollute the non-driver path, though, so we introduce this as a helper to be called by places that actually make use of this, as suggested by Florian. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-13net/sched: flower: add missing validation of TCA_FLOWER_FLAGSDavide Caratti1-0/+1
unlike other classifiers that can be offloaded (i.e. users can set flags like 'skip_hw' and 'skip_sw'), 'cls_flower' doesn't validate the size of netlink attribute 'TCA_FLOWER_FLAGS' provided by user: add a proper entry to fl_policy. Fixes: 5b33f48842fa ("net/flower: Introduce hardware offload support") Signed-off-by: Davide Caratti <dcaratti@redhat.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-13net/sched: matchall: add missing validation of TCA_MATCHALL_FLAGSDavide Caratti1-0/+1
unlike other classifiers that can be offloaded (i.e. users can set flags like 'skip_hw' and 'skip_sw'), 'cls_matchall' doesn't validate the size of netlink attribute 'TCA_MATCHALL_FLAGS' provided by user: add a proper entry to mall_policy. Fixes: b87f7936a932 ("net/sched: Add match-all classifier hw offloading.") Signed-off-by: Davide Caratti <dcaratti@redhat.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-13net/flow_dissector: remove unexist field descriptionHangbin Liu1-1/+0
@thoff has moved to struct flow_dissector_key_control. Fixes: 42aecaa9bb2b ("net: Get skb hash over flow_keys structure") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-13page_pool: refill page when alloc.count of pool is zeroLi RongQing1-14/+8
"do {} while" in page_pool_refill_alloc_cache will always refill page once whether refill is true or false, and whether alloc.count of pool is less than PP_ALLOC_CACHE_REFILL or not this is wrong, and will cause overflow of pool->alloc.cache the caller of __page_pool_get_cached should provide guarantee that pool->alloc.cache is safe to access, so in_serving_softirq should be removed as suggested by Jesper Dangaard Brouer in https://patchwork.ozlabs.org/patch/1233713/ so fix this issue by calling page_pool_refill_alloc_cache() only when pool->alloc.count is zero Fixes: 44768decb7c0 ("page_pool: handle page recycle for NUMA_NO_NODE condition") Signed-off-by: Li RongQing <lirongqing@baidu.com> Suggested-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-13NFSv4: Ensure the delegation cred is pinned when we call delegreturnTrond Myklebust1-3/+8
Ensure we don't release the delegation cred during the call to nfs4_proc_delegreturn(). Fixes: ee05f456772d ("NFSv4: Fix races between open and delegreturn") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2020-02-13NFSv4: Ensure the delegation is pinned in nfs_do_return_delegation()Trond Myklebust2-7/+27
The call to nfs_do_return_delegation() needs to be taken without any RCU locks. Add a refcount to make sure the delegation remains pinned in memory until we're done. Fixes: ee05f456772d ("NFSv4: Fix races between open and delegreturn") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2020-02-13NFSv4.1 make cachethis=no for writesOlga Kornievskaia1-1/+1
Turning caching off for writes on the server should improve performance. Fixes: fba83f34119a ("NFS: Pass "privileged" value to nfs4_init_sequence()") Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Reviewed-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2020-02-13xprtrdma: Fix DMA scatter-gather list mapping imbalanceChuck Lever1-6/+7
The @nents value that was passed to ib_dma_map_sg() has to be passed to the matching ib_dma_unmap_sg() call. If ib_dma_map_sg() choses to concatenate sg entries, it will return a different nents value than it was passed. The bug was exposed by recent changes to the AMD IOMMU driver, which enabled sg entry concatenation. Looking all the way back to commit 4143f34e01e9 ("xprtrdma: Port to new memory registration API") and reviewing other kernel ULPs, it's not clear that the frwr_map() logic was ever correct for this case. Reported-by: Andre Tomt <andre@tomt.net> Suggested-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: stable@vger.kernel.org Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2020-02-13ALSA: pcm: Fix double hw_free callsTakashi Iwai1-1/+2
The commit 66f2d19f8116 ("ALSA: pcm: Fix memory leak at closing a stream without hw_free") tried to fix the regression wrt the missing hw_free call at closing without SNDRV_PCM_IOCTL_HW_FREE ioctl. However, the code change dropped mistakenly the state check, resulting in calling hw_free twice when SNDRV_PCM_IOCTL_HW_FRE got called beforehand. For most drivers, this is almost harmless, but the drivers like SOF show another regression now. This patch adds the state condition check before calling do_hw_free() at releasing the stream for avoiding the double hw_free calls. Fixes: 66f2d19f8116 ("ALSA: pcm: Fix memory leak at closing a stream without hw_free") Reported-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reported-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/s5hd0ajyprg.wl-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-02-13ALSA: usb-audio: Add clock validity quirk for Denon MC7000/MCX8000Alexander Tsoy3-32/+66
It should be safe to ignore clock validity check result if the following conditions are met: - only one single sample rate is supported; - the terminal is directly connected to the clock source; - the clock type is internal. This is to deal with some Denon DJ controllers that always reports that clock is invalid. Tested-by: Tobias Oszlanyi <toszlanyi@yahoo.de> Signed-off-by: Alexander Tsoy <alexander@tsoy.me> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200212235450.697348-1-alexander@tsoy.me Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-02-12io-wq: don't call kXalloc_node() with non-online nodeJens Axboe1-4/+18
Glauber reports a crash on init on a box he has: RIP: 0010:__alloc_pages_nodemask+0x132/0x340 Code: 18 01 75 04 41 80 ce 80 89 e8 48 8b 54 24 08 8b 74 24 1c c1 e8 0c 48 8b 3c 24 83 e0 01 88 44 24 20 48 85 d2 0f 85 74 01 00 00 <3b> 77 08 0f 82 6b 01 00 00 48 89 7c 24 10 89 ea 48 8b 07 b9 00 02 RSP: 0018:ffffb8be4d0b7c28 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000e8e8 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000002080 RBP: 0000000000012cc0 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000dc0 R11: ffff995c60400100 R12: 0000000000000000 R13: 0000000000012cc0 R14: 0000000000000001 R15: ffff995c60db00f0 FS: 00007f4d115ca900(0000) GS:ffff995c60d80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000002088 CR3: 00000017cca66002 CR4: 00000000007606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: alloc_slab_page+0x46/0x320 new_slab+0x9d/0x4e0 ___slab_alloc+0x507/0x6a0 ? io_wq_create+0xb4/0x2a0 __slab_alloc+0x1c/0x30 kmem_cache_alloc_node_trace+0xa6/0x260 io_wq_create+0xb4/0x2a0 io_uring_setup+0x97f/0xaa0 ? io_remove_personalities+0x30/0x30 ? io_poll_trigger_evfd+0x30/0x30 do_syscall_64+0x5b/0x1c0 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f4d116cb1ed which is due to the 'wqe' and 'worker' allocation being node affine. But it isn't valid to call the node affine allocation if the node isn't online. Setup structures for even offline nodes, as usual, but skip them in terms of thread setup to not waste resources. If the node isn't online, just alloc memory with NUMA_NO_NODE. Reported-by: Glauber Costa <glauber@scylladb.com> Tested-by: Glauber Costa <glauber@scylladb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-02-12hwmon: (pmbus/xdpe12284) fix typo in compatible stringsJohan Hovold1-2/+2
Make sure that the driver compatible strings matches the binding by removing the space between the manufacturer and model. Fixes: aaafb7c8eb1c ("hwmon: (pmbus) Add support for Infineon Multi-phase xdpe122 family controllers") Cc: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Johan Hovold <johan@kernel.org> Link: https://lore.kernel.org/r/20200212092426.24012-1-johan@kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-02-12linux/pipe_fs_i.h: fix kernel-doc warnings after @wait was splitRandy Dunlap1-1/+2
Fix kernel-doc warnings in struct pipe_inode_info after @wait was split into @rd_wait and @wr_wait. include/linux/pipe_fs_i.h:66: warning: Function parameter or member 'rd_wait' not described in 'pipe_inode_info' include/linux/pipe_fs_i.h:66: warning: Function parameter or member 'wr_wait' not described in 'pipe_inode_info' Fixes: 0ddad21d3e99 ("pipe: use exclusive waits when reading or writing") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-02-12ice: Trivial fixesTony Nguyen11-29/+31
This is a collection of trivial fixes including fixing whitespace, typos, function headers, reverse Christmas tree, etc. Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Use correct netif error functionBen Shelton1-1/+1
Use the correct netif_msg_[tx,rx]_error() function to determine whether to print the MDD event type. Signed-off-by: Ben Shelton <benjamin.h.shelton@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Cleanup ice_vsi_alloc_q_vectorsAnirudh Venkataramanan1-8/+3
1. Remove local variable num_q_vectors and use vsi->num_q_vectors instead 2. Remove local variable pf and pass vsi->back to ice_pf_to_dev Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Make print statements more compactAnirudh Venkataramanan8-227/+123
Formatting strings in print function calls (like dev_info, dev_err, etc.) can exceed 80 columns without making checkpatch unhappy. So remove newlines where applicable and make print statements more compact. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Use ice_pf_to_devAnirudh Venkataramanan6-27/+27
Use ice_pf_to_dev(pf) instead of &pf->pdev->dev Use ice_pf_to_dev(vsi->back) instead of &vsi->back->pdev->dev When a pointer to the pf instance is available, use ice_pf_to_dev instead of ice_hw_to_dev Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Remove possible null dereferenceTony Nguyen1-2/+0
Commit 1f45ebe0d8fb ("ice: add extra check for null Rx descriptor") moved the call to ice_construct_skb() under a null check as Coverity reported a possible use of null skb. However, the original call was not deleted, do so now. Fixes: 1f45ebe0d8fb ("ice: add extra check for null Rx descriptor") Reported-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: update Unit Load Status bitmask to check after resetBruce Allan2-5/+18
After a reset the Unit Load Status bits in the GLNVM_ULD register to check for completion should be 0x7FF before continuing. Update the mask to check (minus the three reserved bits that are always set). Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: fix and consolidate logging of NVM/firmware version informationBruce Allan4-28/+13
Logging the firmware/NVM information during driver load is redundant since that information is also available via ethtool. Move the functionality found in ice_nvm_version_str() directly into ice_get_drvinfo() and remove calling the former and logging that info during driver probe. This also gets rid of a bug in ice_nvm_version_str() where it returns a pointer to a buffer which is free'ed when that function exits. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Modify link message loggingAkeem G Abodunrin1-1/+1
This patch modifies link message logging to include "Full Duplex" and "Negotiated" for FEC, so as to distinguish it from "Requested" FEC. Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Remove CONFIG_PCI_IOV wrap in ice_set_pf_capsAnirudh Venkataramanan1-2/+0
Remove unnecessary CONFIG_PCI_IOV wrapping in ice_set_pf_caps. None of the data structures accessed within the block are wrapped with this flag. When CONFIG_PCI_IOV is undefined, pf->num_vfs_supported will be 0 anyway. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Remove ice_dev_onetime_setup()Brett Creeley4-20/+0
ice_dev_onetime_setup contains driver workarounds needed for firmware limitations. These issues have now been resolved in newer NVMs so remove the function. Signed-off-by: Brett Creeley <brett.creeley@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Don't allow same value for Rx tail to be written twiceBrett Creeley1-1/+1
Currently we compare the value we are about to write to the Rx tail register with the previous value of next_to_use. The problem with this is we only write tail on 8 descriptor boundaries, but next_to_use is updated whenever we clean Rx descriptors. Fix this by comparing the value we are about to write to tail with the previously written tail value. This will prevent duplicate Rx tail bumps. Signed-off-by: Brett Creeley <brett.creeley@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: display supported and advertised link modesPaul Greenwalt1-280/+2
Display all of the supported and advertised link modes based on the PHY capability with media. Displaying all supported modes is more informative then only displaying the current link mode. Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Fix switch between FW and SW LLDPDave Ertman1-5/+5
When switching between FW and SW LLDP mode, the number of configured TLV apps in the driver's DCB configuration is getting out of synch with what lldpad thinks is configured. This is causing a problem when shutting down lldpad. The cleanup is trying to delete TLV apps that are not defined in the kernel. Since the driver is keeping an accurate account of the apps defined, use the drivers number of apps to determine if there is an app to delete. If the number of apps is <= 1, then do not attempt to delete. Signed-off-by: Dave Ertman <david.m.ertman@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12ice: Fix DCB rebuild after resetDave Ertman2-53/+36
The function ice_dcb_rebuild had some logic flaws in it, and also didn't differentiate between FW and SW modes needs. For FW flow, the willing setting was being forced to OFF and left that way. Unwilling in DCB FW mode is not a supported model. Leave the config alone and use the return value from the set command to determine if setting the config was successful. The SW DCB flow does not need to need to register for MIB change events (as they are not used in SW mode). Use !is_sw_lldp checks to only perform FW specific task while in FW mode. Also adding a reapplication of the current DCB config after a link event. Some NVMs are not maintaining their DCB configs across link events. Signed-off-by: Dave Ertman <david.m.ertman@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12NFSv4: Fix revalidation of dentries with delegationsTrond Myklebust4-23/+115
If a dentry was not initially looked up while we were holding a delegation, then we do still need to revalidate that it still holds the same name. If there are multiple hard links to the same file, then all the hard links need validation. Reported-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Reviewed-by: Benjamin Coddington <bcodding@redhat.com> Tested-by: Benjamin Coddington <bcodding@redhat.com> [Anna: Put nfs_unset_verifier_delegated() under CONFIG_NFS_V4] Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2020-02-12net: ethernet: ave: Add capability of rgmii-id modeKunihiko Hayashi1-0/+9
This allows you to specify the type of rgmii-id that will enable phy internal delay in ethernet phy-mode. This adds all RGMII cases to all of get_pinmode() except LD11, because LD11 SoC doesn't support RGMII due to the constraint of the hardware. When RGMII phy mode is specified in the devicetree for LD11, the driver will abort with an error. Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-12enic: prevent waking up stopped tx queues over watchdog resetFiro Yang1-1/+1
Recent months, our customer reported several kernel crashes all preceding with following message: NETDEV WATCHDOG: eth2 (enic): transmit queue 0 timed out Error message of one of those crashes: BUG: unable to handle kernel paging request at ffffffffa007e090 After analyzing severl vmcores, I found that most of crashes are caused by memory corruption. And all the corrupted memory areas are overwritten by data of network packets. Moreover, I also found that the tx queues were enabled over watchdog reset. After going through the source code, I found that in enic_stop(), the tx queues stopped by netif_tx_disable() could be woken up over a small time window between netif_tx_disable() and the napi_disable() by the following code path: napi_poll-> enic_poll_msix_wq-> vnic_cq_service-> enic_wq_service-> netif_wake_subqueue(enic->netdev, q_number)-> test_and_clear_bit(__QUEUE_STATE_DRV_XOFF, &txq->state) In turn, upper netowrk stack could queue skb to ENIC NIC though enic_hard_start_xmit(). And this might introduce some race condition. Our customer comfirmed that this kind of kernel crash doesn't occur over 90 days since they applied this patch. Signed-off-by: Firo Yang <firo.yang@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-12arm64: time: Replace <linux/clk-provider.h> by <linux/of_clk.h>Geert Uytterhoeven1-1/+1
The arm64 time code is not a clock provider, and just needs to call of_clk_init(). Hence it can include <linux/of_clk.h> instead of <linux/clk-provider.h>. Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Will Deacon <will@kernel.org>
2020-02-12tools headers kvm: Sync linux/kvm.h with the kernel sourcesArnaldo Carvalho de Melo1-0/+5
To pick up the changes from: 7de3f1423ff9 ("KVM: s390: Add new reset vcpu API") So far we're ignoring those arch specific ioctls, we need to revisit this at some time to have arch specific tables, etc: $ grep S390 tools/perf/trace/beauty/kvm_ioctl.sh egrep -v " ((ARM|PPC|S390)_|[GS]ET_(DEBUGREGS|PIT2|XSAVE|TSC_KHZ)|CREATE_SPAPR_TCE_64)" | \ $ This addresses these tools/perf build warnings: Warning: Kernel ABI header at 'tools/arch/arm/include/uapi/asm/kvm.h' differs from latest version at 'arch/arm/include/uapi/asm/kvm.h' diff -u tools/arch/arm/include/uapi/asm/kvm.h arch/arm/include/uapi/asm/kvm.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Janosch Frank <frankja@linux.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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