- 11 Aug, 2023 19 commits
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Sathesh Edara authored
Implement control plane mailbox versions for host and firmware. Versions are published in info area of control mailbox bar4 memory structure.Firmware will publish minimum and maximum supported versions.Control plane mailbox apis will check for firmware version before sending any control commands to firmware. Notifications from firmware will similarly be checked for host version compatibility. Signed-off-by:
Sathesh Edara <sedara@marvell.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ratheesh Kannoth authored
Accept TC offload classifier rule only if SPI field can be extracted by HW. Signed-off-by:
Ratheesh Kannoth <rkannoth@marvell.com> Reviewed-by:
Simon Horman <horms@kernel.org> Signed-off-by:
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Sergei Antonov authored
If netdev_mc_count() is not zero and not IFF_ALLMULTI, filter incoming multicast packets. The chip has a Multicast Address Hash Table for allowed multicast addresses, so we fill it. Implement .ndo_set_rx_mode and recalculate multicast hash table. Also observe change of IFF_PROMISC and IFF_ALLMULTI netdev flags. Signed-off-by:
Sergei Antonov <saproj@gmail.com> Reviewed-by:
Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by:
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Tahsin Erdogan authored
When gso.hdr_len is zero and a packet is transmitted via write() or writev(), all payload is treated as header which requires a contiguous memory allocation. This allocation request is harder to satisfy, and may even fail if there is enough fragmentation. Note that sendmsg() code path limits the linear copy length, so this change makes write()/writev() and sendmsg() paths more consistent. Signed-off-by:
Tahsin Erdogan <trdgn@amazon.com> Acked-by:
Jason Wang <jasowang@redhat.com> Reviewed-by:
Eric Dumazet <edumazet@google.com> Reviewed-by:
Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/r/20230809164753.2247594-1-trdgn@amazon.comSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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Yang Yingliang authored
The driver init/exit() function don't do anything special, it can use the module_pci_driver() macro to eliminate boilerplate code. Signed-off-by:
Yang Yingliang <yangyingliang@huawei.com> Reviewed-by:
Pavan Chebbi <pavan.chebbi@broadcom.com> Link: https://lore.kernel.org/r/20230810014633.3084355-1-yangyingliang@huawei.comSigned-off-by:
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Yue Haibing authored
Commit 61c9fed4 ("[SCTP]: A better solution to fix the race between sctp_peeloff() and sctp_rcv().") removed the implementation but left declaration in place. Remove it. Signed-off-by:
Yue Haibing <yuehaibing@huawei.com> Acked-by:
Xin Long <lucien.xin@gmail.com> Link: https://lore.kernel.org/r/20230809142323.9428-1-yuehaibing@huawei.comSigned-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski authored
Merge net again, after pulling in x86/bugs fixes to clang linking errors. Signed-off-by: -
Yue Haibing authored
Commit 43e36921 ("caif: Move refcount from service layer to sock and dev.") declared but never implemented this. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipJakub Kicinski authored
Cross merge x86 fixes to fix clang linking errors: ld.lld: error: ./arch/x86/kernel/vmlinux.lds:221: at least one side of the expression must be absolute These will hopefully be downstream by the time we ship the next batch of fixes. * 'x86/bugs' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Move gds_ucode_mitigated() declaration to header x86/speculation: Add cpu_show_gds() prototype driver core: cpu: Make cpu_show_not_affected() static x86/srso: Fix build breakage with the LLVM linker Documentation/srso: Document IBPB aspect and fix formatting driver core: cpu: Unify redundant silly stubs Documentation/hw-vuln: Unify filename specification in index Link: https://lore.kernel.org/all/CAHk-=wj_b+FGTnevQSBAtCWuhCk=0oQ_THvthBW2hzqpOTLFmg@mail.gmail.com/Signed-off-by:
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Furong Xu authored
Commit abe80fdc ("net: stmmac: RX queue routing configuration") introduced RX queue routing to DWMAC4 core. This patch extend the support to XGMAC2 core. Signed-off-by:
Furong Xu <0x1207@gmail.com> Reviewed-by:
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Jakub Kicinski authored
Andrew Lunn says: ==================== Support offload LED blinking to PHY. Allow offloading of the LED trigger netdev to PHY drivers and implement it for the Marvell PHY driver. Additionally, correct the handling of when the initial state of the LED cannot be represented by the trigger, and so an error is returned. As with ledtrig-timer, disable offload when the trigger is deactivate, or replaced by another trigger. ==================== Link: https://lore.kernel.org/r/20230808210436.838995-1-andrew@lunn.chSigned-off-by:
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Andrew Lunn authored
Ensure that the offloading of blinking is stopped when the trigger is deactivated. Calling led_set_brightness() is documented as stopping offload and setting the LED to a constant brightness. Suggested-by:
Daniel Golle <daniel@makrotopia.org> Signed-off-by:
Andrew Lunn <andrew@lunn.ch> Reviewed-by:
Simon Horman <simon.horman@corigine.com> Tested-by:
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Andrew Lunn authored
Add the code needed to indicate if a given blinking pattern can be offloaded, to offload a pattern and to try to return the current pattern. Reviewed-by:
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Andrew Lunn authored
Linux LEDs can be requested to perform hardware accelerated blinking to indicate link, RX, TX etc. Pass the rules for blinking to the PHY driver, if it implements the ops needed to determine if a given pattern can be offloaded, to offload it, and what the current offload is. Additionally implement the op needed to get what device the LED is for. Reviewed-by:
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Andrew Lunn authored
When the netdev trigger is activates, it tries to determine what device the LED blinks for, and what the current blink mode is. The documentation for hw_control_get() says: * Return 0 on success, a negative error number on failing parsing the * initial mode. Error from this function is NOT FATAL as the device * may be in a not supported initial state by the attached LED trigger. */ For the Marvell PHY and the Armada 370-rd board, the initial LED blink mode is not supported by the trigger, so it returns an error. This resulted in not getting the device the LED is blinking for. As a result, the device is unknown and offloaded is never performed. Change to condition to always get the device if offloading is supported, and reduce the scope of testing for an error from hw_control_get() to skip setting trigger internal state if there is an error. Reviewed-by:
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Li Zetao authored
The module_mhi_driver() will set "THIS_MODULE" to driver.owner when register a mhi_driver driver, so it is redundant initialization to set driver.owner in the statement. Remove it for clean code. Signed-off-by:
Li Zetao <lizetao1@huawei.com> Reviewed-by:
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Jakub Kicinski authored
Shenwei Wang says: ==================== update stmmac fix_mac_speed ==================== Link: https://lore.kernel.org/r/20230807160716.259072-1-shenwei.wang@nxp.comSigned-off-by:
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Shenwei Wang authored
When using a fixed-link setup, certain devices like the SJA1105 require a small pause in the TXC clock line to enable their internal tunable delay line (TDL). To satisfy this requirement, this patch temporarily disables the TX clock, and restarts it after a required period. This provides the required silent interval on the clock line for SJA1105 to complete the frequency transition and enable the internal TDLs. This action occurs before the link is built up, so it does not impact a normal device too. There is no need to identify if the connected device is an SJA1105 alike or not during the implementation. So far we have only enabled this feature on the i.MX93 platform. Signed-off-by:
Shenwei Wang <shenwei.wang@nxp.com> Reviewed-by:
Frank Li <frank.li@nxp.com> Link: https://lore.kernel.org/r/20230807160716.259072-3-shenwei.wang@nxp.comSigned-off-by:
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Shenwei Wang authored
A mode parameter has been added to the callback function of fix_mac_speed to indicate the physical layer type. The mode can be one the following: MLO_AN_PHY - Conventional PHY MLO_AN_FIXED - Fixed-link mode MLO_AN_INBAND - In-band protocol Signed-off-by:
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- 10 Aug, 2023 21 commits
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextJakub Kicinski authored
Martin KaFai Lau says: ==================== pull-request: bpf-next 2023-08-09 We've added 19 non-merge commits during the last 6 day(s) which contain a total of 25 files changed, 369 insertions(+), 141 deletions(-). The main changes are: 1) Fix array-index-out-of-bounds access when detaching from an already empty mprog entry from Daniel Borkmann. 2) Adjust bpf selftest because of a recent llvm change related to the cpu-v4 ISA from Eduard Zingerman. 3) Add uprobe support for the bpf_get_func_ip helper from Jiri Olsa. 4) Fix a KASAN splat due to the kernel incorrectly accepted an invalid program using the recent cpu-v4 instruction from Yonghong Song. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: bpf: btf: Remove two unused function declarations bpf: lru: Remove unused declaration bpf_lru_promote() selftests/bpf: relax expected log messages to allow emitting BPF_ST selftests/bpf: remove duplicated functions bpf, docs: Fix small typo and define semantics of sign extension selftests/bpf: Add bpf_get_func_ip test for uprobe inside function selftests/bpf: Add bpf_get_func_ip tests for uprobe on function entry bpf: Add support for bpf_get_func_ip helper for uprobe program selftests/bpf: Add a movsx selftest for sign-extension of R10 bpf: Fix an incorrect verification success with movsx insn bpf, docs: Formalize type notation and function semantics in ISA standard bpf: change bpf_alu_sign_string and bpf_movsx_string to static libbpf: Use local includes inside the library bpf: fix bpf_dynptr_slice() to stop return an ERR_PTR. bpf: fix inconsistent return types of bpf_xdp_copy_buf(). selftests/bpf: fix the incorrect verification of port numbers. selftests/bpf: Add test for detachment on empty mprog entry bpf: Fix mprog detachment for empty mprog entry bpf: bpf_struct_ops: Remove unnecessary initial values of variables ==================== Link: https://lore.kernel.org/r/20230810055123.109578-1-martin.lau@linux.devSigned-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski authored
Cross-merge networking fixes after downstream PR. No conflicts. Adjacent changes: drivers/net/ethernet/intel/igc/igc_main.c 06b41258 ("igc: Add lock to safeguard global Qbv variables") d3750076 ("igc: Add TransmissionOverrun counter") drivers/net/ethernet/microsoft/mana/mana_en.c a7dfeda6 ("net: mana: Fix MANA VF unload when hardware is unresponsive") a9ca9f9c ("page_pool: split types and declarations from page_pool.h") 92272ec4 ("eth: add missing xdp.h includes in drivers") net/mptcp/protocol.h 511b90e3 ("mptcp: fix disconnect vs accept race") b8dc6d6c ("mptcp: fix rcv buffer auto-tuning") tools/testing/selftests/net/mptcp/mptcp_join.sh c8c101ae ("selftests: mptcp: join: fix 'implicit EP' test") 03668c65 ("selftests: mptcp: join: rework detailed report") Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds authored
Pull networking fixes from Jakub Kicinski: "Including fixes from netfilter, wireless and bpf. Still trending up in size but the good news is that the "current" regressions are resolved, AFAIK. We're getting weirdly many fixes for Wake-on-LAN and suspend/resume handling on embedded this week (most not merged yet), not sure why. But those are all for older bugs. Current release - regressions: - tls: set MSG_SPLICE_PAGES consistently when handing encrypted data over to TCP Current release - new code bugs: - eth: mlx5: correct IDs on VFs internal to the device (IPU) Previous releases - regressions: - phy: at803x: fix WoL support / reporting on AR8032 - bonding: fix incorrect deletion of ETH_P_8021AD protocol VID from slaves, leading to BUG_ON() - tun: prevent tun_build_skb() from exceeding the packet size limit - wifi: rtw89: fix 8852AE disconnection caused by RX full flags - eth/PCI: enetc: fix probing after 6fffbc7a ("PCI: Honor firmware's device disabled status"), keep PCI devices around even if they are disabled / not going to be probed to be able to apply quirks on them - eth: prestera: fix handling IPv4 routes with nexthop IDs Previous releases - always broken: - netfilter: re-work garbage collection to avoid races between user-facing API and timeouts - tunnels: fix generating ipv4 PMTU error on non-linear skbs - nexthop: fix infinite nexthop bucket dump when using maximum nexthop ID - wifi: nl80211: fix integer overflow in nl80211_parse_mbssid_elems() Misc: - unix: use consistent error code in SO_PEERPIDFD - ipv6: adjust ndisc_is_useropt() to include PREFIX_INFO, in prep for upcoming IETF RFC" * tag 'net-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (94 commits) net: hns3: fix strscpy causing content truncation issue net: tls: set MSG_SPLICE_PAGES consistently ibmvnic: Ensure login failure recovery is safe from other resets ibmvnic: Do partial reset on login failure ibmvnic: Handle DMA unmapping of login buffs in release functions ibmvnic: Unmap DMA login rsp buffer on send login fail ibmvnic: Enforce stronger sanity checks on login response net: mana: Fix MANA VF unload when hardware is unresponsive netfilter: nf_tables: remove busy mark and gc batch API netfilter: nft_set_hash: mark set element as dead when deleting from packet path netfilter: nf_tables: adapt set backend to use GC transaction API netfilter: nf_tables: GC transaction API to avoid race with control plane selftests/bpf: Add sockmap test for redirecting partial skb data selftests/bpf: fix a CI failure caused by vsock sockmap test bpf, sockmap: Fix bug that strp_done cannot be called bpf, sockmap: Fix map type error in sock_map_del_link xsk: fix refcount underflow in error path ipv6: adjust ndisc_is_useropt() to also return true for PIO selftests: forwarding: bridge_mdb: Make test more robust selftests: forwarding: bridge_mdb_max: Fix failing test with old libnet ... -
Hao Chen authored
hns3_dbg_fill_content()/hclge_dbg_fill_content() is aim to integrate some items to a string for content, and we add '\n' and '\0' in the last two bytes of content. strscpy() will add '\0' in the last byte of destination buffer(one of items), it result in finishing content print ahead of schedule and some dump content truncation. One Error log shows as below: cat mac_list/uc UC MAC_LIST: Expected: UC MAC_LIST: FUNC_ID MAC_ADDR STATE pf 00:2b:19:05:03:00 ACTIVE The destination buffer is length-bounded and not required to be NUL-terminated, so just change strscpy() to memcpy() to fix it. Fixes: 1cf3d556 ("net: hns3: fix strncpy() not using dest-buf length as length issue") Signed-off-by:
Hao Chen <chenhao418@huawei.com> Signed-off-by:
Jijie Shao <shaojijie@huawei.com> Link: https://lore.kernel.org/r/20230809020902.1941471-1-shaojijie@huawei.comSigned-off-by:
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Jakub Kicinski authored
We used to change the flags for the last segment, because non-last segments had the MSG_SENDPAGE_NOTLAST flag set. That flag is no longer a thing so remove the setting. Since flags most likely don't have MSG_SPLICE_PAGES set this avoids passing parts of the sg as splice and parts as non-splice. Before commit under Fixes we'd have called tcp_sendpage() which would add the MSG_SPLICE_PAGES. Why this leads to trouble remains unclear but Tariq reports hitting the WARN_ON(!sendpage_ok()) due to page refcount of 0. Fixes: e117dcfd ("tls: Inline do_tcp_sendpages()") Reported-by:
Tariq Toukan <tariqt@nvidia.com> Link: https://lore.kernel.org/all/4c49176f-147a-4283-f1b1-32aac7b4b996@gmail.com/Tested-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengineLinus Torvalds authored
Pull dmaengine fixes from Vinod Koul: - HAS_IOMEM fixes for fsl edma and intel idma - return-value fix, interrupt vector setting and typo fix for xilinx xdma - email updates for codeaurora email domain move - correct pause status for pl330 driver - idxd clear flag on disable fix - function documentation fix for owl dma - potential un-allocated memory fix for mcf driver * tag 'dmaengine-fix-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: dmaengine: xilinx: xdma: Fix typo dmaengine: xilinx: xdma: Fix interrupt vector setting dmaengine: owl-dma: Modify mismatched function name dmaengine: idxd: Clear PRS disable flag when disabling IDXD device dmaengine: pl330: Return DMA_PAUSED when transaction is paused dmaengine: qcom_hidma: Update codeaurora email domain dmaengine: mcf-edma: Fix a potential un-allocated memory access dmaengine: xilinx: xdma: Fix Judgment of the return value idmaengine: make FSL_EDMA and INTEL_IDMA64 depends on HAS_IOMEM
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git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nfJakub Kicinski authored
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The existing attempt to resolve races between control plane and GC work is error prone, as reported by Bien Pham <phamnnb@sea.com>, some places forgot to call nft_set_elem_mark_busy(), leading to double-deactivation of elements. This series contains the following patches: 1) Do not skip expired elements during walk otherwise elements might never decrement the reference counter on data, leading to memleak. 2) Add a GC transaction API to replace the former attempt to deal with races between control plane and GC. GC worker sets on NFT_SET_ELEM_DEAD_BIT on elements and it creates a GC transaction to remove the expired elements, GC transaction could abort in case of interference with control plane and retried later (GC async). Set backends such as rbtree and pipapo also perform GC from control plane (GC sync), in such case, element deactivation and removal is safe because mutex is held then collected elements are released via call_rcu(). 3) Adapt existing set backends to use the GC transaction API. 4) Update rhash set backend to set on _DEAD bit to report deleted elements from datapath for GC. 5) Remove old GC batch API and the NFT_SET_ELEM_BUSY_BIT. * tag 'nf-23-08-10' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf: netfilter: nf_tables: remove busy mark and gc batch API netfilter: nft_set_hash: mark set element as dead when deleting from packet path netfilter: nf_tables: adapt set backend to use GC transaction API netfilter: nf_tables: GC transaction API to avoid race with control plane netfilter: nf_tables: don't skip expired elements during walk ==================== Link: https://lore.kernel.org/r/20230810070830.24064-1-pablo@netfilter.orgSigned-off-by:
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfJakub Kicinski authored
Martin KaFai Lau says: ==================== pull-request: bpf 2023-08-09 We've added 5 non-merge commits during the last 7 day(s) which contain a total of 6 files changed, 102 insertions(+), 8 deletions(-). The main changes are: 1) A bpf sockmap memleak fix and a fix in accessing the programs of a sockmap under the incorrect map type from Xu Kuohai. 2) A refcount underflow fix in xsk from Magnus Karlsson. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: selftests/bpf: Add sockmap test for redirecting partial skb data selftests/bpf: fix a CI failure caused by vsock sockmap test bpf, sockmap: Fix bug that strp_done cannot be called bpf, sockmap: Fix map type error in sock_map_del_link xsk: fix refcount underflow in error path ==================== Link: https://lore.kernel.org/r/20230810055303.120917-1-martin.lau@linux.devSigned-off-by:
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Nick Child authored
If a login request fails, the recovery process should be protected against parallel resets. It is a known issue that freeing and registering CRQ's in quick succession can result in a failover CRQ from the VIOS. Processing a failover during login recovery is dangerous for two reasons: 1. This will result in two parallel initialization processes, this can cause serious issues during login. 2. It is possible that the failover CRQ is received but never executed. We get notified of a pending failover through a transport event CRQ. The reset is not performed until a INIT CRQ request is received. Previously, if CRQ init fails during login recovery, then the ibmvnic irq is freed and the login process returned error. If failover_pending is true (a transport event was received), then the ibmvnic device would never be able to process the reset since it cannot receive the CRQ_INIT request due to the irq being freed. This leaved the device in a inoperable state. Therefore, the login failure recovery process must be hardened against these possible issues. Possible failovers (due to quick CRQ free and init) must be avoided and any issues during re-initialization should be dealt with instead of being propagated up the stack. This logic is similar to that of ibmvnic_probe(). Fixes: dff515a3 ("ibmvnic: Harden device login requests") Signed-off-by:
Nick Child <nnac123@linux.ibm.com> Reviewed-by:
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Nick Child authored
Perform a partial reset before sending a login request if any of the following are true: 1. If a previous request times out. This can be dangerous because the VIOS could still receive the old login request at any point after the timeout. Therefore, it is best to re-register the CRQ's and sub-CRQ's before retrying. 2. If the previous request returns an error that is not described in PAPR. PAPR provides procedures if the login returns with partial success or aborted return codes (section L.5.1) but other values do not have a defined procedure. Previously, these conditions just returned error from the login function rather than trying to resolve the issue. This can cause further issues since most callers of the login function are not prepared to handle an error when logging in. This improper cleanup can lead to the device being permanently DOWN'd. For example, if the VIOS believes that the device is already logged in then it will return INVALID_STATE (-7). If we never re-register CRQ's then it will always think that the device is already logged in. This leaves the device inoperable. The partial reset involves freeing the sub-CRQs, freeing the CRQ then registering and initializing a new CRQ and sub-CRQs. This essentially restarts all communication with VIOS to allow for a fresh login attempt that will be unhindered by any previous failed attempts. Fixes: dff515a3 ("ibmvnic: Harden device login requests") Signed-off-by:
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Nick Child authored
Rather than leaving the DMA unmapping of the login buffers to the login response handler, move this work into the login release functions. Previously, these functions were only used for freeing the allocated buffers. This could lead to issues if there are more than one outstanding login buffer requests, which is possible if a login request times out. If a login request times out, then there is another call to send login. The send login function makes a call to the login buffer release function. In the past, this freed the buffers but did not DMA unmap. Therefore, the VIOS could still write to the old login (now freed) buffer. It is for this reason that it is a good idea to leave the DMA unmap call to the login buffers release function. Since the login buffer release functions now handle DMA unmapping, remove the duplicate DMA unmapping in handle_login_rsp(). Fixes: dff515a3 ("ibmvnic: Harden device login requests") Signed-off-by:
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Nick Child authored
If the LOGIN CRQ fails to send then we must DMA unmap the response buffer. Previously, if the CRQ failed then the memory was freed without DMA unmapping. Fixes: c98d9cc4 ("ibmvnic: send_login should check for crq errors") Signed-off-by:
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Nick Child authored
Ensure that all offsets in a login response buffer are within the size of the allocated response buffer. Any offsets or lengths that surpass the allocation are likely the result of an incomplete response buffer. In these cases, a full reset is necessary. When attempting to login, the ibmvnic device will allocate a response buffer and pass a reference to the VIOS. The VIOS will then send the ibmvnic device a LOGIN_RSP CRQ to signal that the buffer has been filled with data. If the ibmvnic device does not get a response in 20 seconds, the old buffer is freed and a new login request is sent. With 2 outstanding requests, any LOGIN_RSP CRQ's could be for the older login request. If this is the case then the login response buffer (which is for the newer login request) could be incomplete and contain invalid data. Therefore, we must enforce strict sanity checks on the response buffer values. Testing has shown that the `off_rxadd_buff_size` value is filled in last by the VIOS and will be the smoking gun for these circumstances. Until VIOS can implement a mechanism for tracking outstanding response buffers and a method for mapping a LOGIN_RSP CRQ to a particular login response buffer, the best ibmvnic can do in this situation is perform a full reset. Fixes: dff515a3 ("ibmvnic: Harden device login requests") Signed-off-by:
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Souradeep Chakrabarti authored
When unloading the MANA driver, mana_dealloc_queues() waits for the MANA hardware to complete any inflight packets and set the pending send count to zero. But if the hardware has failed, mana_dealloc_queues() could wait forever. Fix this by adding a timeout to the wait. Set the timeout to 120 seconds, which is a somewhat arbitrary value that is more than long enough for functional hardware to complete any sends. Cc: stable@vger.kernel.org Fixes: ca9c54d2 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)") Signed-off-by:
Souradeep Chakrabarti <schakrabarti@linux.microsoft.com> Link: https://lore.kernel.org/r/1691576525-24271-1-git-send-email-schakrabarti@linux.microsoft.comSigned-off-by:
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Arnd Bergmann authored
The declaration got placed in the .c file of the caller, but that causes a warning for the definition: arch/x86/kernel/cpu/bugs.c:682:6: error: no previous prototype for 'gds_ucode_mitigated' [-Werror=missing-prototypes] Move it to a header where both sides can observe it instead. Fixes: 81ac7e5d ("KVM: Add GDS_NO support to KVM") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Dave Hansen <dave.hansen@linux.intel.com> Tested-by:
Daniel Sneddon <daniel.sneddon@linux.intel.com> Cc: stable@kernel.org Link: https://lore.kernel.org/all/20230809130530.1913368-2-arnd%40kernel.org
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Arnd Bergmann authored
The newly added function has two definitions but no prototypes: drivers/base/cpu.c:605:16: error: no previous prototype for 'cpu_show_gds' [-Werror=missing-prototypes] Add a declaration next to the other ones for this file to avoid the warning. Fixes: 8974eb58 ("x86/speculation: Add Gather Data Sampling mitigation") Signed-off-by:
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Borislav Petkov (AMD) authored
Fix a -Wmissing-prototypes warning and add the gather_data_sampling() stub macro call for real. Fixes: 0fddfe33 ("driver core: cpu: Unify redundant silly stubs") Closes: https://lore.kernel.org/oe-kbuild-all/202308101956.oRj1ls7s-lkp@intel.comReported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/202308101956.oRj1ls7s-lkp@intel.com
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Nick Desaulniers authored
The assertion added to verify the difference in bits set of the addresses of srso_untrain_ret_alias() and srso_safe_ret_alias() would fail to link in LLVM's ld.lld linker with the following error: ld.lld: error: ./arch/x86/kernel/vmlinux.lds:210: at least one side of the expression must be absolute ld.lld: error: ./arch/x86/kernel/vmlinux.lds:211: at least one side of the expression must be absolute Use ABSOLUTE to evaluate the expression referring to at least one of the symbols so that LLD can evaluate the linker script. Also, add linker version info to the comment about XOR being unsupported in either ld.bfd or ld.lld until somewhat recently. Fixes: fb3bd914 ("x86/srso: Add a Speculative RAS Overflow mitigation") Closes: https://lore.kernel.org/llvm/CA+G9fYsdUeNu-gwbs0+T6XHi4hYYk=Y9725-wFhZ7gJMspLDRA@mail.gmail.com/Reported-by:
Nathan Chancellor <nathan@kernel.org> Reported-by:
Daniel Kolesa <daniel@octaforge.org> Reported-by:
Naresh Kamboju <naresh.kamboju@linaro.org> Suggested-by:
Sven Volkinsfeld <thyrc@gmx.net> Signed-off-by:
Nick Desaulniers <ndesaulniers@google.com> Signed-off-by:
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Borislav Petkov (AMD) authored
Add a note about the dependency of the User->User mitigation on the previous Spectre v2 IBPB selection. Make the layout moar pretty. Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20230809102700.29449-4-bp@alien8.de
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Borislav Petkov (AMD) authored
Make them all a weak function, aliasing to a single function which issues the "Not affected" string. No functional changes. Suggested-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
Nikolay Borisov <nik.borisov@suse.com> Link: https://lore.kernel.org/r/20230809102700.29449-3-bp@alien8.de
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Borislav Petkov (AMD) authored
Most of the index.rst files in Documentation/ refer to other rst files without their file extension in the name. Do that here too. No functional changes. Reported-by:
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