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2022-04-22Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull kvm fixes from Paolo Bonzini: "The main and larger change here is a workaround for AMD's lack of cache coherency for encrypted-memory guests. I have another patch pending, but it's waiting for review from the architecture maintainers. RISC-V: - Remove 's' & 'u' as valid ISA extension - Do not allow disabling the base extensions 'i'/'m'/'a'/'c' x86: - Fix NMI watchdog in guests on AMD - Fix for SEV cache incoherency issues - Don't re-acquire SRCU lock in complete_emulated_io() - Avoid NULL pointer deref if VM creation fails - Fix race conditions between APICv disabling and vCPU creation - Bugfixes for disabling of APICv - Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume selftests: - Do not use bitfields larger than 32-bits, they differ between GCC and clang" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: kvm: selftests: introduce and use more page size-related constants kvm: selftests: do not use bitfields larger than 32-bits for PTEs KVM: SEV: add cache flush to solve SEV cache incoherency issues KVM: SVM: Flush when freeing encrypted pages even on SME_COHERENT CPUs KVM: SVM: Simplify and harden helper to flush SEV guest page(s) KVM: selftests: Silence compiler warning in the kvm_page_table_test KVM: x86/pmu: Update AMD PMC sample period to fix guest NMI-watchdog x86/kvm: Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume KVM: SPDX style and spelling fixes KVM: x86: Skip KVM_GUESTDBG_BLOCKIRQ APICv update if APICv is disabled KVM: x86: Pend KVM_REQ_APICV_UPDATE during vCPU creation to fix a race KVM: nVMX: Defer APICv updates while L2 is active until L1 is active KVM: x86: Tag APICv DISABLE inhibit, not ABSENT, if APICv is disabled KVM: Initialize debugfs_dentry when a VM is created to avoid NULL deref KVM: Add helpers to wrap vcpu->srcu_idx and yell if it's abused KVM: RISC-V: Use kvm_vcpu.srcu_idx, drop RISC-V's unnecessary copy KVM: x86: Don't re-acquire SRCU lock in complete_emulated_io() RISC-V: KVM: Restrict the extensions that can be disabled RISC-V: KVM: Remove 's' & 'u' as valid ISA extension
2022-04-22net: ethernet: stmmac: fix write to sgmii_adapter_baseDinh Nguyen
I made a mistake with the commit a6aaa0032424 ("net: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link"). I should have tested against both scenario of having a SGMII interface and one without. Without the SGMII PCS TSE adpater, the sgmii_adapter_base address is NULL, thus a write to this address will fail. Cc: stable@vger.kernel.org Fixes: a6aaa0032424 ("net: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link") Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> Link: https://lore.kernel.org/r/20220420152345.27415-1-dinguyen@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-22Merge branch 'wireguard-patches-for-5-18-rc4'Jakub Kicinski
Jason A. Donenfeld says: ==================== wireguard patches for 5.18-rc4 Here are two small wireguard fixes for 5.18-rc4: 1) We enable ACPI in the QEMU test harness, so that multiple CPUs are actually used on x86 for testing for races. 2) Sending skbs with metadata dsts attached resulted in a null pointer dereference, triggerable from executing eBPF programs. The fix is a oneliner, changing a skb_dst() null check into a skb_valid_dst() boolean check. ==================== Link: https://lore.kernel.org/r/20220421134805.279118-1-Jason@zx2c4.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-22wireguard: device: check for metadata_dst with skb_valid_dst()Nikolay Aleksandrov
When we try to transmit an skb with md_dst attached through wireguard we hit a null pointer dereference in wg_xmit() due to the use of dst_mtu() which calls into dst_blackhole_mtu() which in turn tries to dereference dst->dev. Since wireguard doesn't use md_dsts we should use skb_valid_dst(), which checks for DST_METADATA flag, and if it's set, then falls back to wireguard's device mtu. That gives us the best chance of transmitting the packet; otherwise if the blackhole netdev is used we'd get ETH_MIN_MTU. [ 263.693506] BUG: kernel NULL pointer dereference, address: 00000000000000e0 [ 263.693908] #PF: supervisor read access in kernel mode [ 263.694174] #PF: error_code(0x0000) - not-present page [ 263.694424] PGD 0 P4D 0 [ 263.694653] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 263.694876] CPU: 5 PID: 951 Comm: mausezahn Kdump: loaded Not tainted 5.18.0-rc1+ #522 [ 263.695190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1.fc35 04/01/2014 [ 263.695529] RIP: 0010:dst_blackhole_mtu+0x17/0x20 [ 263.695770] Code: 00 00 00 0f 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8b 47 10 48 83 e0 fc 8b 40 04 85 c0 75 09 48 8b 07 <8b> 80 e0 00 00 00 c3 66 90 0f 1f 44 00 00 48 89 d7 be 01 00 00 00 [ 263.696339] RSP: 0018:ffffa4a4422fbb28 EFLAGS: 00010246 [ 263.696600] RAX: 0000000000000000 RBX: ffff8ac9c3553000 RCX: 0000000000000000 [ 263.696891] RDX: 0000000000000401 RSI: 00000000fffffe01 RDI: ffffc4a43fb48900 [ 263.697178] RBP: ffffa4a4422fbb90 R08: ffffffff9622635e R09: 0000000000000002 [ 263.697469] R10: ffffffff9b69a6c0 R11: ffffa4a4422fbd0c R12: ffff8ac9d18b1a00 [ 263.697766] R13: ffff8ac9d0ce1840 R14: ffff8ac9d18b1a00 R15: ffff8ac9c3553000 [ 263.698054] FS: 00007f3704c337c0(0000) GS:ffff8acaebf40000(0000) knlGS:0000000000000000 [ 263.698470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 263.698826] CR2: 00000000000000e0 CR3: 0000000117a5c000 CR4: 00000000000006e0 [ 263.699214] Call Trace: [ 263.699505] <TASK> [ 263.699759] wg_xmit+0x411/0x450 [ 263.700059] ? bpf_skb_set_tunnel_key+0x46/0x2d0 [ 263.700382] ? dev_queue_xmit_nit+0x31/0x2b0 [ 263.700719] dev_hard_start_xmit+0xd9/0x220 [ 263.701047] __dev_queue_xmit+0x8b9/0xd30 [ 263.701344] __bpf_redirect+0x1a4/0x380 [ 263.701664] __dev_queue_xmit+0x83b/0xd30 [ 263.701961] ? packet_parse_headers+0xb4/0xf0 [ 263.702275] packet_sendmsg+0x9a8/0x16a0 [ 263.702596] ? _raw_spin_unlock_irqrestore+0x23/0x40 [ 263.702933] sock_sendmsg+0x5e/0x60 [ 263.703239] __sys_sendto+0xf0/0x160 [ 263.703549] __x64_sys_sendto+0x20/0x30 [ 263.703853] do_syscall_64+0x3b/0x90 [ 263.704162] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 263.704494] RIP: 0033:0x7f3704d50506 [ 263.704789] Code: 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89 [ 263.705652] RSP: 002b:00007ffe954b0b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 263.706141] RAX: ffffffffffffffda RBX: 0000558bb259b490 RCX: 00007f3704d50506 [ 263.706544] RDX: 000000000000004a RSI: 0000558bb259b7b2 RDI: 0000000000000003 [ 263.706952] RBP: 0000000000000000 R08: 00007ffe954b0b90 R09: 0000000000000014 [ 263.707339] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe954b0b90 [ 263.707735] R13: 000000000000004a R14: 0000558bb259b7b2 R15: 0000000000000001 [ 263.708132] </TASK> [ 263.708398] Modules linked in: bridge netconsole bonding [last unloaded: bridge] [ 263.708942] CR2: 00000000000000e0 Fixes: e7096c131e51 ("net: WireGuard secure network tunnel") Link: https://github.com/cilium/cilium/issues/19428 Reported-by: Martynas Pumputis <m@lambda.lt> Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-22wireguard: selftests: enable ACPI for SMPJason A. Donenfeld
It turns out that by having CONFIG_ACPI=n, we've been failing to boot additional CPUs, and so these systems were functionally UP. The code bloat is unfortunate for build times, but I don't see an alternative. So this commit sets CONFIG_ACPI=y for x86_64 and i686 configs. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-22tcp: ensure to use the most recently sent skb when filling the rate samplePengcheng Yang
If an ACK (s)acks multiple skbs, we favor the information from the most recently sent skb by choosing the skb with the highest prior_delivered count. But in the interval between receiving ACKs, we send multiple skbs with the same prior_delivered, because the tp->delivered only changes when we receive an ACK. We used RACK's solution, copying tcp_rack_sent_after() as tcp_skb_sent_after() helper to determine "which packet was sent last?". Later, we will use tcp_skb_sent_after() instead in RACK. Fixes: b9f64820fb22 ("tcp: track data delivery rate for a TCP connection") Signed-off-by: Pengcheng Yang <yangpc@wangsu.com> Cc: Paolo Abeni <pabeni@redhat.com> Acked-by: Neal Cardwell <ncardwell@google.com> Tested-by: Neal Cardwell <ncardwell@google.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/1650422081-22153-1-git-send-email-yangpc@wangsu.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-22net: dsa: realtek: remove realtek,rtl8367s stringLuiz Angelo Daros de Luca
There is no need to add new compatible strings for each new supported chip version. The compatible string is used only to select the subdriver (rtl8365mb.c or rtl8366rb.c). Once in the subdriver, it will detect the chip model by itself, ignoring which compatible string was used. Link: https://lore.kernel.org/netdev/20220414014055.m4wbmr7tdz6hsa3m@bang-olufsen.dk/ Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com> Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com> Link: https://lore.kernel.org/r/20220418233558.13541-2-luizluca@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-22dt-bindings: net: dsa: realtek: cleanup compatible stringsLuiz Angelo Daros de Luca
Compatible strings are used to help the driver find the chip ID/version register for each chip family. After that, the driver can setup the switch accordingly. Keep only the first supported model for each family as a compatible string and reference other chip models in the description. The removed compatible strings have never been used in a released kernel. Link: https://lore.kernel.org/netdev/20220414014055.m4wbmr7tdz6hsa3m@bang-olufsen.dk/ Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com> Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk> Link: https://lore.kernel.org/r/20220418233558.13541-1-luizluca@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-22net: bridge: switchdev: check br_vlan_group() return valueClément Léger
br_vlan_group() can return NULL and thus return value must be checked to avoid dereferencing a NULL pointer. Fixes: 6284c723d9b9 ("net: bridge: mst: Notify switchdev drivers of VLAN MSTI migrations") Signed-off-by: Clément Léger <clement.leger@bootlin.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://lore.kernel.org/r/20220421101247.121896-1-clement.leger@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-23pinctrl: stm32: Keep pinctrl block clock enabled when LEVEL IRQ requestedMarek Vasut
The current EOI handler for LEVEL triggered interrupts calls clk_enable(), register IO, clk_disable(). The clock manipulation requires locking which happens with IRQs disabled in clk_enable_lock(). Instead of turning the clock on and off all the time, enable the clock in case LEVEL interrupt is requested and keep the clock enabled until all LEVEL interrupts are freed. The LEVEL interrupts are an exception on this platform and seldom used, so this does not affect the common case. This simplifies the LEVEL interrupt handling considerably and also fixes the following splat found when using preempt-rt: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at kernel/locking/rtmutex.c:2040 __rt_mutex_trylock+0x37/0x62 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.109-rt65-stable-standard-00068-g6a5afc4b1217 #85 Hardware name: STM32 (Device Tree Support) [<c010a45d>] (unwind_backtrace) from [<c010766f>] (show_stack+0xb/0xc) [<c010766f>] (show_stack) from [<c06353ab>] (dump_stack+0x6f/0x84) [<c06353ab>] (dump_stack) from [<c01145e3>] (__warn+0x7f/0xa4) [<c01145e3>] (__warn) from [<c063386f>] (warn_slowpath_fmt+0x3b/0x74) [<c063386f>] (warn_slowpath_fmt) from [<c063b43d>] (__rt_mutex_trylock+0x37/0x62) [<c063b43d>] (__rt_mutex_trylock) from [<c063c053>] (rt_spin_trylock+0x7/0x16) [<c063c053>] (rt_spin_trylock) from [<c036a2f3>] (clk_enable_lock+0xb/0x80) [<c036a2f3>] (clk_enable_lock) from [<c036ba69>] (clk_core_enable_lock+0x9/0x18) [<c036ba69>] (clk_core_enable_lock) from [<c034e9f3>] (stm32_gpio_get+0x11/0x24) [<c034e9f3>] (stm32_gpio_get) from [<c034ef43>] (stm32_gpio_irq_trigger+0x1f/0x48) [<c034ef43>] (stm32_gpio_irq_trigger) from [<c014aa53>] (handle_fasteoi_irq+0x71/0xa8) [<c014aa53>] (handle_fasteoi_irq) from [<c0147111>] (generic_handle_irq+0x19/0x22) [<c0147111>] (generic_handle_irq) from [<c014752d>] (__handle_domain_irq+0x55/0x64) [<c014752d>] (__handle_domain_irq) from [<c0346f13>] (gic_handle_irq+0x53/0x64) [<c0346f13>] (gic_handle_irq) from [<c0100ba5>] (__irq_svc+0x65/0xc0) Exception stack(0xc0e01f18 to 0xc0e01f60) 1f00: 0000300c 00000000 1f20: 0000300c c010ff01 00000000 00000000 c0e00000 c0e07714 00000001 c0e01f78 1f40: c0e07758 00000000 ef7cd0ff c0e01f68 c010554b c0105542 40000033 ffffffff [<c0100ba5>] (__irq_svc) from [<c0105542>] (arch_cpu_idle+0xc/0x1e) [<c0105542>] (arch_cpu_idle) from [<c063be95>] (default_idle_call+0x21/0x3c) [<c063be95>] (default_idle_call) from [<c01324f7>] (do_idle+0xe3/0x1e4) [<c01324f7>] (do_idle) from [<c01327b3>] (cpu_startup_entry+0x13/0x14) [<c01327b3>] (cpu_startup_entry) from [<c0a00c13>] (start_kernel+0x397/0x3d4) [<c0a00c13>] (start_kernel) from [<00000000>] (0x0) ---[ end trace 0000000000000002 ]--- Power consumption measured on STM32MP157C DHCOM SoM is not increased or is below noise threshold. Fixes: 47beed513a85b ("pinctrl: stm32: Add level interrupt support to gpio irq chip") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Fabien Dessenne <fabien.dessenne@foss.st.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Marc Zyngier <maz@kernel.org> Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-arm-kernel@lists.infradead.org To: linux-gpio@vger.kernel.org Reviewed-by: Fabien Dessenne <fabien.dessenne@foss.st.com> Link: https://lore.kernel.org/r/20220421140827.214088-1-marex@denx.de Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-04-22tcp: md5: incorrect tcp_header_len for incoming connectionsFrancesco Ruggeri
In tcp_create_openreq_child we adjust tcp_header_len for md5 using the remote address in newsk. But that address is still 0 in newsk at this point, and it is only set later by the callers (tcp_v[46]_syn_recv_sock). Use the address from the request socket instead. Fixes: cfb6eeb4c860 ("[TCP]: MD5 Signature Option (RFC2385) support.") Signed-off-by: Francesco Ruggeri <fruggeri@arista.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20220421005026.686A45EC01F2@us226.sjc.aristanetworks.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-22perf test: Fix error message for test case 71 on s390, where it is not supportedThomas Richter
Test case 71 'Convert perf time to TSC' is not supported on s390. Subtest 71.1 is skipped with the correct message, but subtest 71.2 is not skipped and fails. The root cause is function evlist__open() called from test__perf_time_to_tsc(). evlist__open() returns -ENOENT because the event cycles:u is not supported by the selected PMU, for example platform s390 on z/VM or an x86_64 virtual machine. The PMU driver returns -ENOENT in this case. This error is leads to the failure. Fix this by returning TEST_SKIP on -ENOENT. Output before: 71: Convert perf time to TSC: 71.1: TSC support: Skip (This architecture does not support) 71.2: Perf time to TSC: FAILED! Output after: 71: Convert perf time to TSC: 71.1: TSC support: Skip (This architecture does not support) 71.2: Perf time to TSC: Skip (perf_read_tsc_conversion is not supported) This also happens on an x86_64 virtual machine: # uname -m x86_64 $ ./perf test -F 71 71: Convert perf time to TSC : 71.1: TSC support : Ok 71.2: Perf time to TSC : FAILED! $ Committer testing: Continues to work on x86_64: $ perf test 71 71: Convert perf time to TSC : 71.1: TSC support : Ok 71.2: Perf time to TSC : Ok $ Fixes: 290fa68bdc458863 ("perf test tsc: Fix error message when not supported") Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Chengdong Li <chengdongli@tencent.com> Cc: chengdongli@tencent.com Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Link: https://lore.kernel.org/r/20220420062921.1211825-1-tmricht@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-22perf report: Set PERF_SAMPLE_DATA_SRC bit for Arm SPE eventLeo Yan
Since commit bb30acae4c4dacfa ("perf report: Bail out --mem-mode if mem info is not available") "perf mem report" and "perf report --mem-mode" don't report result if the PERF_SAMPLE_DATA_SRC bit is missed in sample type. The commit ffab487052054162 ("perf: arm-spe: Fix perf report --mem-mode") partially fixes the issue. It adds PERF_SAMPLE_DATA_SRC bit for Arm SPE event, this allows the perf data file generated by kernel v5.18-rc1 or later version can be reported properly. On the other hand, perf tool still fails to be backward compatibility for a data file recorded by an older version's perf which contains Arm SPE trace data. This patch is a workaround in reporting phase, when detects ARM SPE PMU event and without PERF_SAMPLE_DATA_SRC bit, it will force to set the bit in the sample type and give a warning info. Fixes: bb30acae4c4dacfa ("perf report: Bail out --mem-mode if mem info is not available") Reviewed-by: James Clark <james.clark@arm.com> Signed-off-by: Leo Yan <leo.yan@linaro.org> Tested-by: German Gomez <german.gomez@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Link: https://lore.kernel.org/r/20220414123201.842754-1-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-22perf script: Always allow field 'data_src' for auxtraceLeo Yan
If use command 'perf script -F,+data_src' to dump memory samples with Arm SPE trace data, it reports error: # perf script -F,+data_src Samples for 'dummy:u' event do not have DATA_SRC attribute set. Cannot print 'data_src' field. This is because the 'dummy:u' event is absent DATA_SRC bit in its sample type, so if a file contains AUX area tracing data then always allow field 'data_src' to be selected as an option for perf script. Fixes: e55ed3423c1bb29f ("perf arm-spe: Synthesize memory event") Signed-off-by: Leo Yan <leo.yan@linaro.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: German Gomez <german.gomez@arm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220417114837.839896-1-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-22perf clang: Fix header include for LLVM >= 14Guilherme Amadio
The header TargetRegistry.h has moved in LLVM/clang 14. Committer notes: The problem as noticed when building in ubuntu:22.04: 90 98.61 ubuntu:22.04 : FAIL gcc version 11.2.0 (Ubuntu 11.2.0-19ubuntu1) util/c++/clang.cpp:23:10: fatal error: llvm/Support/TargetRegistry.h: No such file or directory 23 | #include "llvm/Support/TargetRegistry.h" | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. Fixed after applying this patch. Reported-by: Arnaldo Carvalho de Melo <acme@kernel.org> Signed-off-by: Guilherme Amadio <amadio@gentoo.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Link: https://twitter.com/GuilhermeAmadio/status/1514970524232921088 Link: http://lore.kernel.org/lkml/Ylp0M/VYgHOxtcnF@gentoo.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-22pinctrl: rockchip: sort the rk3308_mux_recalced_data entriesLuca Ceresoli
All the entries are sorted according to num/pin except for two entries. Sort them too. Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20220420142432.248565-2-luca.ceresoli@bootlin.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-04-22pinctrl: rockchip: fix RK3308 pinmux bitsLuca Ceresoli
Some of the pinmuxing bits described in rk3308_mux_recalced_data are wrong, pointing to non-existing registers. Fix the entire table. Also add a comment in front of each entry with the same string that appears in the datasheet to make the table easier to compare with the docs. This fix has been tested on real hardware for the gpio3b3_sel entry. Fixes: 7825aeb7b208 ("pinctrl: rockchip: add rk3308 SoC support") Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20220420142432.248565-1-luca.ceresoli@bootlin.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-04-22Merge tag 'samsung-pinctrl-fixes-5.18' of ↵Linus Walleij
https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung into fixes Samsung pinctrl drivers fixes for v5.18 1. Fix sparse warning introduced in v5.18-rc1. 2. Fix possible unmet Kconfig dependency with COMPILE_TEST, present since v4.3 or earlier.
2022-04-22gpio: Request interrupts after IRQ is initializedMario Limonciello
Commit 5467801f1fcb ("gpio: Restrict usage of GPIO chip irq members before initialization") attempted to fix a race condition that lead to a NULL pointer, but in the process caused a regression for _AEI/_EVT declared GPIOs. This manifests in messages showing deferred probing while trying to allocate IRQs like so: amd_gpio AMDI0030:00: Failed to translate GPIO pin 0x0000 to IRQ, err -517 amd_gpio AMDI0030:00: Failed to translate GPIO pin 0x002C to IRQ, err -517 amd_gpio AMDI0030:00: Failed to translate GPIO pin 0x003D to IRQ, err -517 [ .. more of the same .. ] The code for walking _AEI doesn't handle deferred probing and so this leads to non-functional GPIO interrupts. Fix this issue by moving the call to `acpi_gpiochip_request_interrupts` to occur after gc->irc.initialized is set. Fixes: 5467801f1fcb ("gpio: Restrict usage of GPIO chip irq members before initialization") Link: https://lore.kernel.org/linux-gpio/BL1PR12MB51577A77F000A008AA694675E2EF9@BL1PR12MB5157.namprd12.prod.outlook.com/ Link: https://bugzilla.suse.com/show_bug.cgi?id=1198697 Link: https://bugzilla.kernel.org/show_bug.cgi?id=215850 Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1979 Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1976 Reported-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Shreeya Patel <shreeya.patel@collabora.com> Tested-By: Samuel Čavoj <samuel@cavoj.net> Tested-By: lukeluk498@gmail.com Link: Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-and-tested-by: Takashi Iwai <tiwai@suse.de> Cc: Shreeya Patel <shreeya.patel@collabora.com> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-04-22Merge tag 'riscv-for-linus-5.18-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes Palmer Dabbelt: - A pair of build fixes for the recent cpuidle driver - A fix for systems without sv57 that manifests as a crash early in boot * tag 'riscv-for-linus-5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: RISC-V: cpuidle: fix Kconfig select for RISCV_SBI_CPUIDLE RISC-V: mm: Fix set_satp_mode() for platform not having Sv57 cpuidle: riscv: support non-SMP config
2022-04-22Merge tag 'arm64-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "There's no real pattern to the fixes, but the main one fixes our pmd_leaf() definition to resolve a NULL dereference on the migration path. - Fix PMU event validation in the absence of any event counters - Fix allmodconfig build using clang in conjunction with binutils - Fix definitions of pXd_leaf() to handle PROT_NONE entries - More typo fixes" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: mm: fix p?d_leaf() arm64: fix typos in comments arm64: Improve HAVE_DYNAMIC_FTRACE_WITH_REGS selection for clang arm_pmu: Validate single/group leader events
2022-04-22arm/xen: Fix some refcount leaksMiaoqian Lin
The of_find_compatible_node() function returns a node pointer with refcount incremented, We should use of_node_put() on it when done Add the missing of_node_put() to release the refcount. Fixes: 9b08aaa3199a ("ARM: XEN: Move xen_early_init() before efi_init()") Fixes: b2371587fe0c ("arm/xen: Read extended regions from DT and init Xen resource") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
2022-04-22Merge tag 'xarray-5.18a' of git://git.infradead.org/users/willy/xarrayLinus Torvalds
Pull xarray fixes from Matthew Wilcox: "Syzbot found a nasty race between large page splitting and page lookup. Details in the commit log, but fortunately it has a reliable reproducer. I thought it better to send this one to you straight away. Also fix the test suite build for kmem_cache_alloc_lru()" * tag 'xarray-5.18a' of git://git.infradead.org/users/willy/xarray: XArray: Disallow sibling entries of nodes tools: Add kmem_cache_alloc_lru()
2022-04-22Merge tag '5.18-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull cifs fixes from Steve French: "Four fixes, two of them for stable: - fcollapse fix - reconnect lock fix - DFS oops fix - minor cleanup patch" * tag '5.18-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: destage any unwritten data to the server before calling copychunk_write cifs: use correct lock type in cifs_reconnect() cifs: fix NULL ptr dereference in refresh_mounts() cifs: Use kzalloc instead of kmalloc/memset
2022-04-22Merge tag 'fs.fixes.v5.18-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux Pull mount_setattr fix from Christian Brauner: "The recent cleanup in e257039f0fc7 ("mount_setattr(): clean the control flow and calling conventions") switched the mount attribute codepaths from do-while to for loops as they are more idiomatic when walking mounts. However, we did originally choose do-while constructs because if we request a mount or mount tree to be made read-only we need to hold writers in the following way: The mount attribute code will grab lock_mount_hash() and then call mnt_hold_writers() which will _unconditionally_ set MNT_WRITE_HOLD on the mount. Any callers that need write access have to call mnt_want_write(). They will immediately see that MNT_WRITE_HOLD is set on the mount and the caller will then either spin (on non-preempt-rt) or wait on lock_mount_hash() (on preempt-rt). The fact that MNT_WRITE_HOLD is set unconditionally means that once mnt_hold_writers() returns we need to _always_ pair it with mnt_unhold_writers() in both the failure and success paths. The do-while constructs did take care of this. But Al's change to a for loop in the failure path stops on the first mount we failed to change mount attributes _without_ going into the loop to call mnt_unhold_writers(). This in turn means that once we failed to make a mount read-only via mount_setattr() - i.e. there are already writers on that mount - we will block any writers indefinitely. Fix this by ensuring that the for loop always unsets MNT_WRITE_HOLD including the first mount we failed to change to read-only. Also sprinkle a few comments into the cleanup code to remind people about what is happening including myself. After all, I didn't catch it during review. This is only relevant on mainline and was reported by syzbot. Details about the syzbot reports are all in the commit message" * tag 'fs.fixes.v5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: fs: unset MNT_WRITE_HOLD on failure
2022-04-22Merge tag 'sound-5.18-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "At this time, the majority of changes are for pending ASoC fixes while a few usual HD-audio and USB-audio quirks are found. Almost all patches are small device-specific fixes, and nothing worrisome stands out, so far" * tag 'sound-5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (37 commits) ALSA: hda/realtek: Add quirk for Clevo NP70PNP ALSA: hda: intel-dsp-config: Add RaptorLake PCI IDs ALSA: hda/realtek: Enable mute/micmute LEDs and limit mic boost on EliteBook 845/865 G9 ALSA: usb-audio: Clear MIDI port active flag after draining ALSA: usb-audio: add mapping for MSI MAG X570S Torpedo MAX. ALSA: hda/i915: Fix one too many pci_dev_put() ALSA: hda/hdmi: add HDMI codec VID for Raptorlake-P ALSA: hda/hdmi: fix warning about PCM count when used with SOF sound/oss/dmasound: fix 'dmasound_setup' defined but not used firmware: cs_dsp: Fix overrun of unterminated control name string ASoC: codecs: Fix an error handling path in (rx|tx|va)_macro_probe() ASoC: Intel: sof_es8336: Add a quirk for Huawei Matebook D15 ASoC: Intel: sof_es8336: add a quirk for headset at mic1 port ASoC: Intel: sof_es8336: support a separate gpio to control headphone ASoC: Intel: sof_es8336: simplify speaker gpio naming ASoC: wm8731: Disable the regulator when probing fails ASoC: Intel: soc-acpi: correct device endpoints for max98373 ASoC: codecs: wcd934x: do not switch off SIDO Buck when codec is in use ASoC: SOF: topology: Fix memory leak in sof_control_load() ASoC: SOF: topology: cleanup dailinks on widget unload ...
2022-04-22XArray: Disallow sibling entries of nodesMatthew Wilcox (Oracle)
There is a race between xas_split() and xas_load() which can result in the wrong page being returned, and thus data corruption. Fortunately, it's hard to hit (syzbot took three months to find it) and often guarded with VM_BUG_ON(). The anatomy of this race is: thread A thread B order-9 page is stored at index 0x200 lookup of page at index 0x274 page split starts load of sibling entry at offset 9 stores nodes at offsets 8-15 load of entry at offset 8 The entry at offset 8 turns out to be a node, and so we descend into it, and load the page at index 0x234 instead of 0x274. This is hard to fix on the split side; we could replace the entire node that contains the order-9 page instead of replacing the eight entries. Fixing it on the lookup side is easier; just disallow sibling entries that point to nodes. This cannot ever be a useful thing as the descent would not know the correct offset to use within the new node. The test suite continues to pass, but I have not added a new test for this bug. Reported-by: syzbot+cf4cf13056f85dec2c40@syzkaller.appspotmail.com Tested-by: syzbot+cf4cf13056f85dec2c40@syzkaller.appspotmail.com Fixes: 6b24ca4a1a8d ("mm: Use multi-index entries in the page cache") Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-04-22tools: Add kmem_cache_alloc_lru()Matthew Wilcox (Oracle)
Turn kmem_cache_alloc() into a wrapper around kmem_cache_alloc_lru(). Fixes: 9bbdc0f32409 ("xarray: use kmem_cache_alloc_lru to allocate xa_node") Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reported-by: Liam R. Howlett <Liam.Howlett@oracle.com> Reported-by: Li Wang <liwang@redhat.com>
2022-04-22Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge misc fixes from Andrew Morton: "13 patches. Subsystems affected by this patch series: mm (memory-failure, memcg, userfaultfd, hugetlbfs, mremap, oom-kill, kasan, hmm), and kcov" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove() kcov: don't generate a warning on vm_insert_page()'s failure MAINTAINERS: add Vincenzo Frascino to KASAN reviewers oom_kill.c: futex: delay the OOM reaper to allow time for proper futex cleanup selftest/vm: add skip support to mremap_test selftest/vm: support xfail in mremap_test selftest/vm: verify remap destination address in mremap_test selftest/vm: verify mmap addr in mremap_test mm, hugetlb: allow for "high" userspace addresses userfaultfd: mark uffd_wp regardless of VM_WRITE flag memcg: sync flush only if periodic flush is delayed mm/memory-failure.c: skip huge_zero_page in memory_failure() mm/hwpoison: fix race between hugetlb free/demotion and memory_failure_hugetlb()
2022-04-22mm/vmalloc: huge vmalloc backing pages should be split rather than compoundNicholas Piggin
Huge vmalloc higher-order backing pages were allocated with __GFP_COMP in order to allow the sub-pages to be refcounted by callers such as "remap_vmalloc_page [sic]" (remap_vmalloc_range). However a similar problem exists for other struct page fields callers use, for example fb_deferred_io_fault() takes a vmalloc'ed page and not only refcounts it but uses ->lru, ->mapping, ->index. This is not compatible with compound sub-pages, and can cause bad page state issues like BUG: Bad page state in process swapper/0 pfn:00743 page:(____ptrval____) refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x743 flags: 0x7ffff000000000(node=0|zone=0|lastcpupid=0x7ffff) raw: 007ffff000000000 c00c00000001d0c8 c00c00000001d0c8 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: corrupted mapping in tail page Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.18.0-rc3-00082-gfc6fff4a7ce1-dirty #2810 Call Trace: dump_stack_lvl+0x74/0xa8 (unreliable) bad_page+0x12c/0x170 free_tail_pages_check+0xe8/0x190 free_pcp_prepare+0x31c/0x4e0 free_unref_page+0x40/0x1b0 __vunmap+0x1d8/0x420 ... The correct approach is to use split high-order pages for the huge vmalloc backing. These allow callers to treat them in exactly the same way as individually-allocated order-0 pages. Link: https://lore.kernel.org/all/14444103-d51b-0fb3-ee63-c3f182f0b546@molgen.mpg.de/ Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Cc: Paul Menzel <pmenzel@molgen.mpg.de> Cc: Song Liu <songliubraving@fb.com> Cc: Rick Edgecombe <rick.p.edgecombe@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-04-22bpf, lwt: Fix crash when using bpf_skb_set_tunnel_key() from bpf_xmit lwt hookEyal Birger
xmit_check_hhlen() observes the dst for getting the device hard header length to make sure a modified packet can fit. When a helper which changes the dst - such as bpf_skb_set_tunnel_key() - is called as part of the xmit program the accessed dst is no longer valid. This leads to the following splat: BUG: kernel NULL pointer dereference, address: 00000000000000de #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 0 PID: 798 Comm: ping Not tainted 5.18.0-rc2+ #103 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014 RIP: 0010:bpf_xmit+0xfb/0x17f Code: c6 c0 4d cd 8e 48 c7 c7 7d 33 f0 8e e8 42 09 fb ff 48 8b 45 58 48 8b 95 c8 00 00 00 48 2b 95 c0 00 00 00 48 83 e0 fe 48 8b 00 <0f> b7 80 de 00 00 00 39 c2 73 22 29 d0 b9 20 0a 00 00 31 d2 48 89 RSP: 0018:ffffb148c0bc7b98 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000240008 RCX: 0000000000000000 RDX: 0000000000000010 RSI: 00000000ffffffea RDI: 00000000ffffffff RBP: ffff922a828a4e00 R08: ffffffff8f1350e8 R09: 00000000ffffdfff R10: ffffffff8f055100 R11: ffffffff8f105100 R12: 0000000000000000 R13: ffff922a828a4e00 R14: 0000000000000040 R15: 0000000000000000 FS: 00007f414e8f0080(0000) GS:ffff922afdc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000de CR3: 0000000002d80006 CR4: 0000000000370ef0 Call Trace: <TASK> lwtunnel_xmit.cold+0x71/0xc8 ip_finish_output2+0x279/0x520 ? __ip_finish_output.part.0+0x21/0x130 Fix by fetching the device hard header length before running the BPF code. Fixes: 3a0af8fd61f9 ("bpf: BPF for lightweight tunnel infrastructure") Signed-off-by: Eyal Birger <eyal.birger@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20220420165219.1755407-1-eyal.birger@gmail.com
2022-04-22riscv: patch_text: Fixup last cpu should be masterGuo Ren
These patch_text implementations are using stop_machine_cpuslocked infrastructure with atomic cpu_count. The original idea: When the master CPU patch_text, the others should wait for it. But current implementation is using the first CPU as master, which couldn't guarantee the remaining CPUs are waiting. This patch changes the last CPU as the master to solve the potential risk. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Signed-off-by: Guo Ren <guoren@kernel.org> Acked-by: Palmer Dabbelt <palmer@rivosinc.com> Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org> Fixes: 043cb41a85de ("riscv: introduce interfaces to patch kernel code") Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-04-22binder: Gracefully handle BINDER_TYPE_FDA objects with num_fds=0Alessandro Astone
Some android userspace is sending BINDER_TYPE_FDA objects with num_fds=0. Like the previous patch, this is reproducible when playing a video. Before commit 09184ae9b575 BINDER_TYPE_FDA objects with num_fds=0 were 'correctly handled', as in no fixup was performed. After commit 09184ae9b575 we aggregate fixup and skip regions in binder_ptr_fixup structs and distinguish between the two by using the skip_size field: if it's 0, then it's a fixup, otherwise skip. When processing BINDER_TYPE_FDA objects with num_fds=0 we add a skip region of skip_size=0, and this causes issues because now binder_do_deferred_txn_copies will think this was a fixup region. To address that, return early from binder_translate_fd_array to avoid adding an empty skip region. Fixes: 09184ae9b575 ("binder: defer copies of pre-patched txn data") Acked-by: Todd Kjos <tkjos@google.com> Cc: stable <stable@kernel.org> Signed-off-by: Alessandro Astone <ales.astone@gmail.com> Link: https://lore.kernel.org/r/20220415120015.52684-1-ales.astone@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-22binder: Address corner cases in deferred copy and fixupAlessandro Astone
When handling BINDER_TYPE_FDA object we are pushing a parent fixup with a certain skip_size but no scatter-gather copy object, since the copy is handled standalone. If BINDER_TYPE_FDA is the last children the scatter-gather copy loop will never stop to skip it, thus we are left with an item in the parent fixup list. This will trigger the BUG_ON(). This is reproducible in android when playing a video. We receive a transaction that looks like this: obj[0] BINDER_TYPE_PTR, parent obj[1] BINDER_TYPE_PTR, child obj[2] BINDER_TYPE_PTR, child obj[3] BINDER_TYPE_FDA, child Fixes: 09184ae9b575 ("binder: defer copies of pre-patched txn data") Acked-by: Todd Kjos <tkjos@google.com> Cc: stable <stable@kernel.org> Signed-off-by: Alessandro Astone <ales.astone@gmail.com> Link: https://lore.kernel.org/r/20220415120015.52684-2-ales.astone@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-22SUNRPC release the transport of a relocated task with an assigned transportOlga Kornievskaia
A relocated task must release its previous transport. Fixes: 82ee41b85cef1 ("SUNRPC don't resend a task on an offlined transport") Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-04-22thermal/governor: Remove deprecated informationDaniel Lezcano
The userspace governor is still in use on production systems and the deprecating warning is scary. Even if we want to get rid of the userspace governor, it is too soon yet as the alternatives are not yet adopted. Change the deprecated warning by an information message suggesting to switch to the netlink thermal events. Fixes: 0275c9fb0eff ("thermal/core: Make the userspace governor deprecated") Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-04-22Revert "thermal/core: Deprecate changing cooling device state from userspace"Daniel Lezcano
This reverts commit a67a46af4ad6342378e332b7420c1d1a2818c53f. It has been reported the warning is annoying as the cooling device state is still needed on some production system. Meanwhile we provide a way to consolidate the thermal framework to prevent multiple actors acting on the cooling devices with conflicting decisions, let's revert this warning. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-04-22serial: 8250: Correct the clock for EndRun PTP/1588 PCIe deviceMaciej W. Rozycki
The EndRun PTP/1588 dual serial port device is based on the Oxford Semiconductor OXPCIe952 UART device with the PCI vendor:device ID set for EndRun Technologies and is therefore driven by a fixed 62.5MHz clock input derived from the 100MHz PCI Express clock. The clock rate is divided by the oversampling rate of 16 as it is supplied to the baud rate generator, yielding the baud base of 3906250. Replace the incorrect baud base of 4000000 with the right value of 3906250 then, complementing commit 6cbe45d8ac93 ("serial: 8250: Correct the clock for OxSemi PCIe devices"). Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Cc: stable <stable@kernel.org> Fixes: 1bc8cde46a159 ("8250_pci: Added driver for Endrun Technologies PTP PCIe card.") Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/alpine.DEB.2.21.2204181515270.9383@angie.orcam.me.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-22serial: 8250: Also set sticky MCR bits in console restorationMaciej W. Rozycki
Sticky MCR bits are lost in console restoration if console suspending has been disabled. This currently affects the AFE bit, which works in combination with RTS which we set, so we want to make sure the UART retains control of its FIFO where previously requested. Also specific drivers may need other bits in the future. Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Fixes: 4516d50aabed ("serial: 8250: Use canary to restart console after suspend") Cc: stable@vger.kernel.org # v4.0+ Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/alpine.DEB.2.21.2204181518490.9383@angie.orcam.me.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-22tty: n_gsm: fix software flow control handlingDaniel Starke
n_gsm is based on the 3GPP 07.010 and its newer version is the 3GPP 27.010. See https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1516 The changes from 07.010 to 27.010 are non-functional. Therefore, I refer to the newer 27.010 here. Chapter 5.4.8.1 states that XON/XOFF characters shall be used instead of Fcon/Fcoff command in advanced option mode to handle flow control. Chapter 5.4.8.2 describes how XON/XOFF characters shall be handled. Basic option mode only used Fcon/Fcoff commands and no XON/XOFF characters. These are treated as data bytes here. The current implementation uses the gsm_mux field 'constipated' to handle flow control from the remote peer and the gsm_dlci field 'constipated' to handle flow control from each DLCI. The later is unrelated to this patch. The gsm_mux field is correctly set for Fcon/Fcoff commands in gsm_control_message(). However, the same is not true for XON/XOFF characters in gsm1_receive(). Disable software flow control handling in the tty to allow explicit handling by n_gsm. Add the missing handling in advanced option mode for gsm_mux in gsm1_receive() to comply with the standard. This patch depends on the following commit: Commit 8838b2af23ca ("tty: n_gsm: fix SW flow control encoding/handling") Fixes: e1eaea46bb40 ("tty: n_gsm line discipline") Cc: stable@vger.kernel.org Signed-off-by: Daniel Starke <daniel.starke@siemens.com> Link: https://lore.kernel.org/r/20220422071025.5490-3-daniel.starke@siemens.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-22tty: n_gsm: fix invalid use of MSC in advanced optionDaniel Starke
n_gsm is based on the 3GPP 07.010 and its newer version is the 3GPP 27.010. See https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1516 The changes from 07.010 to 27.010 are non-functional. Therefore, I refer to the newer 27.010 here. Chapter 5.4.6.3.7 states that the Modem Status Command (MSC) shall only be used if the basic option was chosen. The current implementation uses MSC frames even if advanced option was chosen to inform the peer about modem line state updates. A standard conform peer may choose to discard these frames in advanced option mode. Furthermore, gsmtty_modem_update() is not part of the 'tty_operations' functions despite its name. Rename gsmtty_modem_update() to gsm_modem_update() to clarify this. Split its function into gsm_modem_upd_via_data() and gsm_modem_upd_via_msc() depending on the encoding and adaption. Introduce gsm_dlci_modem_output() as adaption of gsm_dlci_data_output() to encode and queue empty frames in advanced option mode. Use it in gsm_modem_upd_via_data(). gsm_modem_upd_via_msc() is based on the initial gsmtty_modem_update() function which used only MSC frames to update modem states. Fixes: e1eaea46bb40 ("tty: n_gsm line discipline") Cc: stable@vger.kernel.org Signed-off-by: Daniel Starke <daniel.starke@siemens.com> Link: https://lore.kernel.org/r/20220422071025.5490-2-daniel.starke@siemens.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-22tty: n_gsm: fix broken virtual tty handlingDaniel Starke
Dynamic virtual tty registration was introduced to allow the user to handle these cases with uevent rules. The following commits relate to this: Commit 5b87686e3203 ("tty: n_gsm: Modify gsmtty driver register method when config requester") Commit 0b91b5332368 ("tty: n_gsm: Save dlci address open status when config requester") Commit 46292622ad73 ("tty: n_gsm: clean up indenting in gsm_queue()") However, the following behavior can be seen with this implementation: - n_gsm ldisc is activated via ioctl - all configuration parameters are set to their default value (initiator=0) - the mux gets activated and attached and gsmtty0 is being registered in in gsm_dlci_open() after DLCI 0 was established (DLCI 0 is the control channel) - the user configures n_gsm via ioctl GSMIOC_SETCONF as initiator - this re-attaches the n_gsm mux - no new gsmtty devices are registered in gsmld_attach_gsm() because the mux is already active - the initiator side registered only the control channel as gsmtty0 (which should never happen) and no user channel tty The commits above make it impossible to operate the initiator side as no user channel tty is or will be available. On the other hand, this behavior will make it also impossible to allow DLCI parameter negotiation on responder side in the future. The responder side first needs to provide a device for the application before the application can set its parameters of the associated DLCI via ioctl. Note that the user application is still able to detect a link establishment without relaying to uevent by waiting for DTR open on responder side. This is the same behavior as on a physical serial interface. And on initiator side a tty hangup can be detected if a link establishment request failed. Revert the commits above completely to always register all user channels and no control channel after mux attachment. No other changes are made. Fixes: 5b87686e3203 ("tty: n_gsm: Modify gsmtty driver register method when config requester") Cc: stable@vger.kernel.org Signed-off-by: Daniel Starke <daniel.starke@siemens.com> Link: https://lore.kernel.org/r/20220422071025.5490-1-daniel.starke@siemens.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-22Revert "serial: sc16is7xx: Clear RS485 bits in the shutdown"Hui Wang
This reverts commit 927728a34f11b5a27f4610bdb7068317d6fdc72a. Once the uart_port->rs485->flag is set to SER_RS485_ENABLED, the port should always work in RS485 mode. If users want the port to leave RS485 mode, they need to call ioctl() to clear SER_RS485_ENABLED. So here we shouldn't clear the RS485 bits in the shutdown(). Fixes: 927728a34f11 ("serial: sc16is7xx: Clear RS485 bits in the shutdown") Signed-off-by: Hui Wang <hui.wang@canonical.com> Link: https://lore.kernel.org/r/20220418094339.678144-1-hui.wang@canonical.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-22Merge tag 'icc-5.18-rc4' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next Georgi writes: interconnect fixes for v5.18 This contains a fix for a reported issue on sc7180 platforms, where one of the resources has been incorrectly modelled as both clock and interconnect, which is causing a crash when both frameworks try to manage it. Fix the same issue also on another platform that appears to be affected by the same. - interconnect: qcom: sc7180: Drop IP0 interconnects - interconnect: qcom: sdx55: Drop IP0 interconnects Signed-off-by: Georgi Djakov <djakov@kernel.org> * tag 'icc-5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc: interconnect: qcom: sdx55: Drop IP0 interconnects interconnect: qcom: sc7180: Drop IP0 interconnects
2022-04-22Merge tag 'phy-fixes-5.18' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-linus Vinod writes: phy: fixes for 5.18 Fixes for bunch of drivers: - TI fixes for runtime disable, missing of_node_put and error handling - Samsung fixes for device_put and of_node_put - Amlogic error path handling * tag 'phy-fixes-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: phy: amlogic: fix error path in phy_g12a_usb3_pcie_probe() phy: ti: Add missing pm_runtime_disable() in serdes_am654_probe phy: mapphone-mdm6600: Fix PM error handling in phy_mdm6600_probe phy: ti: omap-usb2: Fix error handling in omap_usb2_enable_clocks phy: ti: tusb1210: Fix an error handling path in tusb1210_probe() phy: samsung: exynos5250-sata: fix missing device put in probe error paths phy: samsung: Fix missing of_node_put() in exynos_sata_phy_probe phy: ti: Fix missing of_node_put in ti_pipe3_get_sysctrl() phy: ti: tusb1210: Make tusb1210_chg_det_states static
2022-04-22netfilter: nft_set_rbtree: overlap detection with element re-addition after ↵Pablo Neira Ayuso
deletion This patch fixes spurious EEXIST errors. Extend d2df92e98a34 ("netfilter: nft_set_rbtree: handle element re-addition after deletion") to deal with elements with same end flags in the same transation. Reset the overlap flag as described by 7c84d41416d8 ("netfilter: nft_set_rbtree: Detect partial overlaps on insertion"). Fixes: 7c84d41416d8 ("netfilter: nft_set_rbtree: Detect partial overlaps on insertion") Fixes: d2df92e98a34 ("netfilter: nft_set_rbtree: handle element re-addition after deletion") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Reviewed-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2022-04-22Merge tag 'mhi-fixes-v5.18' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-linus Manivannan writes: MHI fixes for v5.18 Couple of patches fixing the hibernation issue seen on MHI endpoint devices like SDX65 modems: - During hibernation, the host puts the device into D3cold after thaw() stage. But at that time, the device would be in M0 state. So the device emits a warning (not visible to the host but to device firmware only) stating invalid transition. This is fixed by adding a poweroff() callback that puts the device into M3 before D3cold. - There is a possibility that the recovery worker might be running while trying to powerdown the device. So flush the recovery worker before that. * tag 'mhi-fixes-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi: bus: mhi: host: pci_generic: Flush recovery worker during freeze bus: mhi: host: pci_generic: Add missing poweroff() PM callback
2022-04-22usb: dwc3: core: Only handle soft-reset in DCTLThinh Nguyen
Make sure not to set run_stop bit or link state change request while initiating soft-reset. Register read-modify-write operation may unintentionally start the controller before the initialization completes with its previous DCTL value, which can cause initialization failure. Fixes: f59dcab17629 ("usb: dwc3: core: improve reset sequence") Cc: <stable@vger.kernel.org> Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://lore.kernel.org/r/6aecbd78328f102003d40ccf18ceeebd411d3703.1650594792.git.Thinh.Nguyen@synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-22net: dsa: Add missing of_node_put() in dsa_port_link_register_ofMiaoqian Lin
The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done. of_node_put() will check for NULL value. Fixes: a20f997010c4 ("net: dsa: Don't instantiate phylink for CPU/DSA ports unless needed") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-04-22regulator: dt-bindings: Revise the rt5190a buck/ldo descriptionChiYuan Huang
Revise the rt5190a bucks and ldo property description. Signed-off-by: ChiYuan Huang <cy_huang@richtek.com> Link: https://lore.kernel.org/r/1650610255-6180-1-git-send-email-u0084500@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
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