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2023-06-25Merge branch 'for-6.5/cxl-rch-eh' into for-6.5/cxlDan Williams4-35/+45
Pick up the first half of the RCH error handling series. The back half needs some fixups for test regressions. Small conflicts with the PMU work around register enumeration and setup helpers.
2023-06-25Merge branch 'for-6.5/cxl-perf' into for-6.5/cxlDan Williams1-0/+1
Pick up initial support for the CXL 3.0 performance monitoring definition. Small conflicts with the firmware update work as they both placed their init code in the same location.
2023-06-25Merge branch 'for-6.5/cxl-type-2' into for-6.5/cxlDan Williams4-104/+79
Pick up the driver cleanups identified in preparation for CXL "type-2" (accelerator) device support. The major change here from a conflict generation perspective is the split of 'struct cxl_memdev_state' from the core 'struct cxl_dev_state'. Since an accelerator may not care about all the optional features that are standard on a CXL "type-3" (host-only memory expander) device. A silent conflict also occurs with the move of the endpoint port to be a formal property of a 'struct cxl_memdev' rather than drvdata.
2023-06-25Merge branch 'for-6.5/cxl-fwupd' into for-6.5/cxlDan Williams1-9/+183
Add the first typical (non-sanitization) consumer of the new background command infrastructure, firmware update. Given both firmware-update and sanitization were developed in parallel from the common background-command baseline, resolve some minor context conflicts.
2023-06-25Merge branch 'for-6.5/cxl-background' into for-6.5/cxlDan Williams1-0/+52
Pick up the sanitization work and the infrastructure for other background commands for 6.5. Sanitization has a different completion path than typical background commands so it was important to have both thought out and implemented before either went upstream.
2023-06-25tools/testing/cxl: add firmware update emulation to CXL memdevsVishal Verma1-0/+160
Add emulation for the 'Get FW Info', 'Transfer FW', and 'Activate FW' CXL mailbox commands to the cxl_test emulated memdevs to enable end-to-end unit testing of a firmware update flow. For now, only advertise an 'offline activation' capability as that is all the CXL memdev driver currently implements. Add some canned values for the serial number fields, and create a platform device sysfs knob to calculate the sha256sum of the firmware image that was received, so a unit test can compare it with the original file that was uploaded. Cc: Davidlohr Bueso <[email protected]> Cc: Jonathan Cameron <[email protected]> Cc: Russ Weight <[email protected]> Cc: Alison Schofield <[email protected]> Cc: Ira Weiny <[email protected]> Cc: Dave Jiang <[email protected]> Cc: Ben Widawsky <[email protected]> Cc: Dan Williams <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Reviewed-by: Dave Jiang <[email protected]> Signed-off-by: Vishal Verma <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dan Williams <[email protected]>
2023-06-25tools/testing/cxl: Use named effects for the Command Effect LogVishal Verma1-9/+23
As more emulated mailbox commands are added to cxl_test, it is a pain point to look up command effect numbers for each effect. Replace the bare numbers in the mock driver with an enum that lists all possible effects. Cc: Davidlohr Bueso <[email protected]> Cc: Jonathan Cameron <[email protected]> Cc: Russ Weight <[email protected]> Cc: Alison Schofield <[email protected]> Cc: Ira Weiny <[email protected]> Cc: Dave Jiang <[email protected]> Cc: Ben Widawsky <[email protected]> Cc: Dan Williams <[email protected]> Suggested-by: Jonathan Cameron <[email protected]> Reviewed-by: Alison Schofield <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Reviewed-by: Dave Jiang <[email protected]> Signed-off-by: Vishal Verma <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dan Williams <[email protected]>
2023-06-25tools/testing/cxl: Fix command effects for inject/clear poisonVishal Verma1-2/+2
The CXL spec (3.0, section 8.2.9.8.4) Lists Inject Poison and Clear Poison as having the effects of "Immediate Data Change". Fix this in the mock driver so that the command effect log is populated correctly. Fixes: 371c16101ee8 ("tools/testing/cxl: Mock the Inject Poison mailbox command") Cc: Alison Schofield <[email protected]> Cc: Dan Williams <[email protected]> Reviewed-by: Alison Schofield <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Reviewed-by: Dave Jiang <[email protected]> Signed-off-by: Vishal Verma <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dan Williams <[email protected]>
2023-06-25cxl/test: Add Secure Erase opcode supportDavidlohr Bueso1-0/+27
Add support to emulate the CXL the "Secure Erase" operation. Reviewed-by: Dave Jiang <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Signed-off-by: Davidlohr Bueso <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dan Williams <[email protected]>
2023-06-25cxl/test: Add Sanitize opcode supportDavidlohr Bueso1-0/+25
Add support to emulate the "Sanitize" operation, without incurring in the background. Reviewed-by: Dave Jiang <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Signed-off-by: Davidlohr Bueso <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dan Williams <[email protected]>
2023-06-25Revert "cxl/port: Enable the HDM decoder capability for switch ports"Dan Williams2-16/+0
commit eb0764b822b9 ("cxl/port: Enable the HDM decoder capability for switch ports") ...was added on the observation of CXL memory not being accessible after setting up a region on a "cold-plugged" device. A "cold-plugged" CXL device is one that was not present at boot, so platform-firmware/BIOS has no chance to set it up. While it is true that the debug found the enable bit clear in the host-bridge's instance of the global control register (CXL 3.0 8.2.4.19.2 CXL HDM Decoder Global Control Register), that bit is described as: "This bit is only applicable to CXL.mem devices and shall return 0 on CXL Host Bridges and Upstream Switch Ports." So it is meant to be zero, and further testing confirmed that this "fix" had no effect on the failure. Revert it, and be more vigilant about proposed fixes in the future. Since the original copied stable@, flag this revert for stable@ as well. Cc: <[email protected]> Fixes: eb0764b822b9 ("cxl/port: Enable the HDM decoder capability for switch ports") Reviewed-by: Jonathan Cameron <[email protected]> Reviewed-by: Dave Jiang <[email protected]> Link: https://lore.kernel.org/r/168685882012.3475336.16733084892658264991.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <[email protected]>
2023-06-25cxl/port: Rename CXL_DECODER_{EXPANDER, ACCELERATOR} => {HOSTONLYMEM, DEVMEM}Dan Williams1-3/+3
In preparation for support for HDM-D and HDM-DB configuration (device-memory, and device-memory with back-invalidate). Rename the current type designators to use HOSTONLYMEM and DEVMEM as a suffix. HDM-DB can be supported by devices that are not accelerators, so DEVMEM is a more generic term for that case. Fixup one location where this type value was open coded. Reviewed-by: Jonathan Cameron <[email protected]> Reviewed-by: Dave Jiang <[email protected]> Link: https://lore.kernel.org/r/168679261369.3436160.7042443847605280593.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <[email protected]>
2023-06-25cxl/mbox: Move mailbox related driver state to its own data structureDan Williams1-19/+24
'struct cxl_dev_state' makes too many assumptions about the capabilities of a CXL device. In particular it assumes a CXL device has a mailbox and all of the infrastructure and state that comes along with that. In preparation for supporting accelerator / Type-2 devices that may not have a mailbox and in general maintain a minimal core context structure, make mailbox functionality a super-set of 'struct cxl_dev_state' with 'struct cxl_memdev_state'. With this reorganization it allows for CXL devices that support HDM decoder mapping, but not other general-expander / Type-3 capabilities, to only enable that subset without the rest of the mailbox infrastructure coming along for the ride. Reviewed-by: Jonathan Cameron <[email protected]> Reviewed-by: Dave Jiang <[email protected]> Link: https://lore.kernel.org/r/168679260240.3436160.15520641540463704524.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <[email protected]>
2023-06-25tools/testing/cxl: Remove unused @cxlds argumentDan Williams1-47/+39
In preparation for plumbing a 'struct cxl_memdev_state' as a superset of a 'struct cxl_dev_state' cleanup the usage of @cxlds in the unit test infrastructure. Reviewed-by: Jonathan Cameron <[email protected]> Reviewed-by: Dave Jiang <[email protected]> Link: https://lore.kernel.org/r/168679258640.3436160.7641308222525246728.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <[email protected]>
2023-06-25cxl: Rename 'uport' to 'uport_dev'Dan Williams2-15/+15
For symmetry with the recent rename of ->dport_dev for a 'struct cxl_dport', add the "_dev" suffix to the ->uport property of a 'struct cxl_port'. These devices represent the downstream-port-device and upstream-port-device respectively in the CXL/PCIe topology. Signed-off-by: Terry Bowman <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dan Williams <[email protected]>
2023-06-25cxl/rch: Prepare for caching the MMIO mapped PCIe AER capabilityDan Williams1-1/+3
Prepare cxl_probe_rcrb() for retrieving more than just the component register block. The RCH AER handling code wants to get back to the AER capability that happens to be MMIO mapped rather then configuration cycles. Move RCRB specific downstream port data, like the RCRB base and the AER capability offset, into its own data structure ('struct cxl_rcrb_info') for cxl_probe_rcrb() to fill. Extend 'struct cxl_dport' to include a 'struct cxl_rcrb_info' attribute. This centralizes all RCRB scanning in one routine. Co-developed-by: Robert Richter <[email protected]> Signed-off-by: Robert Richter <[email protected]> Signed-off-by: Terry Bowman <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dan Williams <[email protected]>
2023-06-25cxl/acpi: Probe RCRB later during RCH downstream port creationRobert Richter4-21/+29
The RCRB is extracted already during ACPI CEDT table parsing while the data of this is needed not earlier than dport creation. This implementation comes with drawbacks: During ACPI table scan there is already MMIO access including mapping and unmapping, but only ACPI data should be collected here. The collected data must be transferred through a couple of interfaces until it is finally consumed when creating the dport. This causes complex data structures and function interfaces. Additionally, RCRB parsing will be extended to also extract AER data, it would be much easier do this at a later point during port and dport creation when the data structures are available to hold that data. To simplify all that, probe the RCRB at a later point during RCH downstream port creation. Change ACPI table parser to only extract the base address of either the component registers or the RCRB. Parse and extract the RCRB in devm_cxl_add_rch_dport(). This is in preparation to centralize all RCRB scanning. Signed-off-by: Robert Richter <[email protected]> Signed-off-by: Terry Bowman <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Link: https://lore.kernel.org/r/[email protected] Co-developed-by: Dan Williams <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dan Williams <[email protected]>
2023-06-09Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds4-5/+27
Pull virtio bug fixes from Michael Tsirkin: "A bunch of fixes all over the place" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: tools/virtio: use canonical ftrace path vhost_vdpa: support PACKED when setting-getting vring_base vhost: support PACKED when setting-getting vring_base vhost: Fix worker hangs due to missed wake up calls vhost: Fix crash during early vhost_transport_send_pkt calls vhost_net: revert upend_idx only on retriable error vhost_vdpa: tell vqs about the negotiated vdpa/mlx5: Fix hang when cvq commands are triggered during device unregister tools/virtio: Add .gitignore for ringtest tools/virtio: Fix arm64 ringtest compilation error vduse: avoid empty string for dev name vhost: use kzalloc() instead of kmalloc() followed by memset()
2023-06-09tools/virtio: use canonical ftrace pathRoss Zwisler2-5/+9
The canonical location for the tracefs filesystem is at /sys/kernel/tracing. But, from Documentation/trace/ftrace.rst: Before 4.1, all ftrace tracing control files were within the debugfs file system, which is typically located at /sys/kernel/debug/tracing. For backward compatibility, when mounting the debugfs file system, the tracefs file system will be automatically mounted at: /sys/kernel/debug/tracing A few spots in tools/virtio still refer to this older debugfs path, so let's update them to avoid confusion. Signed-off-by: Ross Zwisler <[email protected]> Message-Id: <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]> Reviewed-by: Mukesh Ojha <[email protected]>
2023-06-09Merge tag 'sound-6.4-rc6' of ↵Linus Torvalds1-5/+5
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Lots of small fixes, and almost all are device-specific. A few of them are the fixes for the old regressions by the fast kctl lookups (introduced around 5.19). Others are ASoC simple-card fixes, selftest compile warning fixes, ASoC AMD quirks, various ASoC codec fixes as well as usual HD-audio quirks" * tag 'sound-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (26 commits) ALSA: hda/realtek: Enable 4 amplifiers instead of 2 on a HP platform ALSA: hda: Fix kctl->id initialization ALSA: gus: Fix kctl->id initialization ALSA: cmipci: Fix kctl->id initialization ALSA: ymfpci: Fix kctl->id initialization ALSA: ice1712,ice1724: fix the kcontrol->id initialization ALSA: hda/realtek: Add quirk for Clevo NS50AU ALSA: hda/realtek: Add quirks for Asus ROG 2024 laptops using CS35L41 ALSA: hda/realtek: Add "Intel Reference board" and "NUC 13" SSID in the ALC256 ALSA: hda/realtek: Add Lenovo P3 Tower platform ALSA: hda/realtek: Add a quirk for HP Slim Desktop S01 selftests: alsa: pcm-test: Fix compiler warnings about the format ASoC: fsl_sai: Enable BCI bit if SAI works on synchronous mode with BYP asserted ASoC: simple-card-utils: fix PCM constraint error check ASoC: cs35l56: Remove NULL check from cs35l56_sdw_dai_set_stream() ASoC: max98363: limit the number of channel to 1 ASoC: max98363: Removed 32bit support ASoC: mediatek: mt8195: fix use-after-free in driver remove path ASoC: mediatek: mt8188: fix use-after-free in driver remove path ASoC: amd: yc: Add Thinkpad Neo14 to quirks list for acp6x ...
2023-06-08tools/virtio: Add .gitignore for ringtestRong Tao1-0/+7
Ignore executables for ringtest. Signed-off-by: Rong Tao <[email protected]> Message-Id: <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]>
2023-06-08tools/virtio: Fix arm64 ringtest compilation errorRong Tao1-0/+11
Add cpu_relax() for arm64 instead of directly assert(), and add assert.h header file. Also, add smp_wmb and smp_mb for arm64. Compilation error as follows, avoid __always_inline undefined. $ make cc -Wall -pthread -O2 -ggdb -flto -fwhole-program -c -o ring.o ring.c In file included from ring.c:10: main.h: In function ‘busy_wait’: main.h:99:21: warning: implicit declaration of function ‘assert’ [-Wimplicit-function-declaration] 99 | #define cpu_relax() assert(0) | ^~~~~~ main.h:107:17: note: in expansion of macro ‘cpu_relax’ 107 | cpu_relax(); | ^~~~~~~~~ main.h:12:1: note: ‘assert’ is defined in header ‘<assert.h>’; did you forget to ‘#include <assert.h>’? 11 | #include <stdbool.h> +++ |+#include <assert.h> 12 | main.h: At top level: main.h:143:23: error: expected ‘;’ before ‘void’ 143 | static __always_inline | ^ | ; 144 | void __read_once_size(const volatile void *p, void *res, int size) | ~~~~ main.h:158:23: error: expected ‘;’ before ‘void’ 158 | static __always_inline void __write_once_size(volatile void *p, void *res, int size) | ^~~~~ | ; make: *** [<builtin>: ring.o] Error 1 Signed-off-by: Rong Tao <[email protected]> Message-Id: <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]>
2023-06-08Merge tag 'net-6.4-rc6' of ↵Linus Torvalds8-3/+95
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from can, wifi, netfilter, bluetooth and ebpf. Current release - regressions: - bpf: sockmap: avoid potential NULL dereference in sk_psock_verdict_data_ready() - wifi: iwlwifi: fix -Warray-bounds bug in iwl_mvm_wait_d3_notif() - phylink: actually fix ksettings_set() ethtool call - eth: dwmac-qcom-ethqos: fix a regression on EMAC < 3 Current release - new code bugs: - wifi: mt76: fix possible NULL pointer dereference in mt7996_mac_write_txwi() Previous releases - regressions: - netfilter: fix NULL pointer dereference in nf_confirm_cthelper - wifi: rtw88/rtw89: correct PS calculation for SUPPORTS_DYNAMIC_PS - openvswitch: fix upcall counter access before allocation - bluetooth: - fix use-after-free in hci_remove_ltk/hci_remove_irk - fix l2cap_disconnect_req deadlock - nic: bnxt_en: prevent kernel panic when receiving unexpected PHC_UPDATE event Previous releases - always broken: - core: annotate rfs lockless accesses - sched: fq_pie: ensure reasonable TCA_FQ_PIE_QUANTUM values - netfilter: add null check for nla_nest_start_noflag() in nft_dump_basechain_hook() - bpf: fix UAF in task local storage - ipv4: ping_group_range: allow GID from 2147483648 to 4294967294 - ipv6: rpl: fix route of death. - tcp: gso: really support BIG TCP - mptcp: fixes for user-space PM address advertisement - smc: avoid to access invalid RMBs' MRs in SMCRv1 ADD LINK CONT - can: avoid possible use-after-free when j1939_can_rx_register fails - batman-adv: fix UaF while rescheduling delayed work - eth: qede: fix scheduling while atomic - eth: ice: make writes to /dev/gnssX synchronous" * tag 'net-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits) bnxt_en: Implement .set_port / .unset_port UDP tunnel callbacks bnxt_en: Prevent kernel panic when receiving unexpected PHC_UPDATE event bnxt_en: Skip firmware fatal error recovery if chip is not accessible bnxt_en: Query default VLAN before VNIC setup on a VF bnxt_en: Don't issue AP reset during ethtool's reset operation bnxt_en: Fix bnxt_hwrm_update_rss_hash_cfg() net: bcmgenet: Fix EEE implementation eth: ixgbe: fix the wake condition eth: bnxt: fix the wake condition lib: cpu_rmap: Fix potential use-after-free in irq_cpu_rmap_release() bpf: Add extra path pointer check to d_path helper net: sched: fix possible refcount leak in tc_chain_tmplt_add() net: sched: act_police: fix sparse errors in tcf_police_dump() net: openvswitch: fix upcall counter access before allocation net: sched: move rtm_tca_policy declaration to include file ice: make writes to /dev/gnssX synchronous net: sched: add rcu annotations around qdisc->qdisc_sleeping rfs: annotate lockless accesses to RFS sock flow table rfs: annotate lockless accesses to sk->sk_rxhash virtio_net: use control_buf for coalesce params ...
2023-06-07Merge tag 'for-netdev' of ↵Jakub Kicinski6-2/+82
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Daniel Borkmann says: ==================== pull-request: bpf 2023-06-07 We've added 7 non-merge commits during the last 7 day(s) which contain a total of 12 files changed, 112 insertions(+), 7 deletions(-). The main changes are: 1) Fix a use-after-free in BPF's task local storage, from KP Singh. 2) Make struct path handling more robust in bpf_d_path, from Jiri Olsa. 3) Fix a syzbot NULL-pointer dereference in sockmap, from Eric Dumazet. 4) UAPI fix for BPF_NETFILTER before final kernel ships, from Florian Westphal. 5) Fix map-in-map array_map_gen_lookup code generation where elem_size was not being set for inner maps, from Rhys Rustad-Elliott. 6) Fix sockopt_sk selftest's NETLINK_LIST_MEMBERSHIPS assertion, from Yonghong Song. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf: Add extra path pointer check to d_path helper selftests/bpf: Fix sockopt_sk selftest bpf: netfilter: Add BPF_NETFILTER bpf_attach_type selftests/bpf: Add access_inner_map selftest bpf: Fix elem_size not being set for inner maps bpf: Fix UAF in task local storage bpf, sockmap: Avoid potential NULL dereference in sk_psock_verdict_data_ready() ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-06-06selftests/bpf: Fix sockopt_sk selftestYonghong Song1-1/+1
Commit f4e4534850a9 ("net/netlink: fix NETLINK_LIST_MEMBERSHIPS length report") fixed NETLINK_LIST_MEMBERSHIPS length report which caused selftest sockopt_sk failure. The failure log looks like test_sockopt_sk:PASS:join_cgroup /sockopt_sk 0 nsec run_test:PASS:skel_load 0 nsec run_test:PASS:setsockopt_link 0 nsec run_test:PASS:getsockopt_link 0 nsec getsetsockopt:FAIL:Unexpected NETLINK_LIST_MEMBERSHIPS value unexpected Unexpected NETLINK_LIST_MEMBERSHIPS value: actual 8 != expected 4 run_test:PASS:getsetsockopt 0 nsec #201 sockopt_sk:FAIL In net/netlink/af_netlink.c, function netlink_getsockopt(), for NETLINK_LIST_MEMBERSHIPS, nlk->ngroups equals to 36. Before Commit f4e4534850a9, the optlen is calculated as ALIGN(nlk->ngroups / 8, sizeof(u32)) = 4 After that commit, the optlen is ALIGN(BITS_TO_BYTES(nlk->ngroups), sizeof(u32)) = 8 Fix the test by setting the expected optlen to be 8. Fixes: f4e4534850a9 ("net/netlink: fix NETLINK_LIST_MEMBERSHIPS length report") Signed-off-by: Yonghong Song <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2023-06-05bpf: netfilter: Add BPF_NETFILTER bpf_attach_typeFlorian Westphal3-1/+5
Andrii Nakryiko writes: And we currently don't have an attach type for NETLINK BPF link. Thankfully it's not too late to add it. I see that link_create() in kernel/bpf/syscall.c just bypasses attach_type check. We shouldn't have done that. Instead we need to add BPF_NETLINK attach type to enum bpf_attach_type. And wire all that properly throughout the kernel and libbpf itself. This adds BPF_NETFILTER and uses it. This breaks uabi but this wasn't in any non-rc release yet, so it should be fine. v2: check link_attack prog type in link_create too Fixes: 84601d6ee68a ("bpf: add bpf_link support for BPF_NETFILTER programs") Suggested-by: Andrii Nakryiko <[email protected]> Signed-off-by: Florian Westphal <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/CAEf4BzZ69YgrQW7DHCJUT_X+GqMq_ZQQPBwopaJJVGFD5=d5Vg@mail.gmail.com/ Link: https://lore.kernel.org/bpf/[email protected]
2023-06-05selftests: mptcp: update userspace pm subflow testsGeliang Tang1-1/+2
To align with what is done by the in-kernel PM, update userspace pm subflow selftests, by sending the a remove_addrs command together before the remove_subflows command. This will get a RM_ADDR in chk_rm_nr(). Fixes: d9a4594edabf ("mptcp: netlink: Add MPTCP_PM_CMD_REMOVE") Fixes: 5e986ec46874 ("selftests: mptcp: userspace pm subflow tests") Link: https://github.com/multipath-tcp/mptcp_net-next/issues/379 Cc: [email protected] Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-06-05selftests: mptcp: update userspace pm addr testsGeliang Tang1-0/+8
This patch is linked to the previous commit ("mptcp: only send RM_ADDR in nl_cmd_remove"). To align with what is done by the in-kernel PM, update userspace pm addr selftests, by sending a remove_subflows command together after the remove_addrs command. Fixes: d9a4594edabf ("mptcp: netlink: Add MPTCP_PM_CMD_REMOVE") Fixes: 97040cf9806e ("selftests: mptcp: userspace pm address tests") Cc: [email protected] Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-06-05selftests: alsa: pcm-test: Fix compiler warnings about the formatMirsad Goran Todorovac1-5/+5
GCC 11.3.0 issues warnings in this module about wrong sizes of format specifiers: pcm-test.c: In function ‘test_pcm_time’: pcm-test.c:384:68: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 5 \ has type ‘unsigned int’ [-Wformat=] 384 | snprintf(msg, sizeof(msg), "rate mismatch %ld != %ld", rate, rrate); pcm-test.c:455:53: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has \ type ‘long int’ [-Wformat=] 455 | "expected %d, wrote %li", rate, frames); pcm-test.c:462:53: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has \ type ‘long int’ [-Wformat=] 462 | "expected %d, wrote %li", rate, frames); pcm-test.c:467:53: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has \ type ‘long int’ [-Wformat=] 467 | "expected %d, wrote %li", rate, frames); Simple fix according to compiler's suggestion removed the warnings. Signed-off-by: Mirsad Goran Todorovac <[email protected]> Reviewed-by: Mark Brown <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]>
2023-06-04Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds2-0/+75
Pull kvm fixes from Paolo Bonzini: "ARM: - Address some fallout of the locking rework, this time affecting the way the vgic is configured - Fix an issue where the page table walker frees a subtree and then proceeds with walking what it has just freed... - Check that a given PA donated to the guest is actually memory (only affecting pKVM) - Correctly handle MTE CMOs by Set/Way - Fix the reported address of a watchpoint forwarded to userspace - Fix the freeing of the root of stage-2 page tables - Stop creating spurious PMU events to perform detection of the default PMU and use the existing PMU list instead x86: - Fix a memslot lookup bug in the NX recovery thread that could theoretically let userspace bypass the NX hugepage mitigation - Fix a s/BLOCKING/PENDING bug in SVM's vNMI support - Account exit stats for fastpath VM-Exits that never leave the super tight run-loop - Fix an out-of-bounds bug in the optimized APIC map code, and add a regression test for the race" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: selftests: Add test for race in kvm_recalculate_apic_map() KVM: x86: Bail from kvm_recalculate_phys_map() if x2APIC ID is out-of-bounds KVM: x86: Account fastpath-only VM-Exits in vCPU stats KVM: SVM: vNMI pending bit is V_NMI_PENDING_MASK not V_NMI_BLOCKING_MASK KVM: x86/mmu: Grab memslot for correct address space in NX recovery worker KVM: arm64: Document default vPMU behavior on heterogeneous systems KVM: arm64: Iterate arm_pmus list to probe for default PMU KVM: arm64: Drop last page ref in kvm_pgtable_stage2_free_removed() KVM: arm64: Populate fault info for watchpoint KVM: arm64: Reload PTE after invoking walker callback on preorder traversal KVM: arm64: Handle trap of tagged Set/Way CMOs arm64: Add missing Set/Way CMO encodings KVM: arm64: Prevent unconditional donation of unmapped regions from the host KVM: arm64: vgic: Fix a comment KVM: arm64: vgic: Fix locking comment KVM: arm64: vgic: Wrap vgic_its_create() with config_lock KVM: arm64: vgic: Fix a circular locking issue
2023-06-03Fix gitignore for recently added usptream self testsWeihao Gao1-0/+3
This resolves the issue that generated binary is showing up as an untracked git file after every build on the kernel. Signed-off-by: Weihao Gao <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-06-03Merge tag 'probes-fixes-6.4-rc4' of ↵Linus Torvalds1-18/+27
git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull probes fixes from Masami Hiramatsu: - Return NULL if the trace_probe list on trace_probe_event is empty - selftests/ftrace: Choose testing symbol name for filtering feature from sample data instead of fixed symbol * tag 'probes-fixes-6.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: selftests/ftrace: Choose target function for filter test from samples tracing/probe: trace_probe_primary_from_call(): checked list_first_entry
2023-06-03selftests/ftrace: Choose target function for filter test from samplesMasami Hiramatsu (Google)1-18/+27
Since the event-filter-function.tc expects the 'exit_mmap()' directly calls 'kmem_cache_free()', this is vulnerable to code modifications. Choose the target function for the filter test from the sample event data so that it can keep test running correctly even if the caller function name will be changed. Link: https://lore.kernel.org/linux-trace-kernel/167919441260.1922645.18355804179347364057.stgit@mhiramat.roam.corp.google.com/ Link: https://lore.kernel.org/all/CA+G9fYtF-XEKi9YNGgR=Kf==7iRb2FrmEC7qtwAeQbfyah-UhA@mail.gmail.com/ Reported-by: Linux Kernel Functional Testing <[email protected]> Fixes: 7f09d639b8c4 ("tracing/selftests: Add test for event filtering on function name") Signed-off-by: Masami Hiramatsu (Google) <[email protected]> Acked-by: Steven Rostedt (Google) <[email protected]>
2023-06-02KVM: selftests: Add test for race in kvm_recalculate_apic_map()Michal Luczaj2-0/+75
Keep switching between LAPIC_MODE_X2APIC and LAPIC_MODE_DISABLED during APIC map construction to hunt for TOCTOU bugs in KVM. KVM's optimized map recalc makes multiple passes over the list of vCPUs, and the calculations ignore vCPU's whose APIC is hardware-disabled, i.e. there's a window where toggling LAPIC_MODE_DISABLED is quite interesting. Signed-off-by: Michal Luczaj <[email protected]> Co-developed-by: Sean Christopherson <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sean Christopherson <[email protected]>
2023-06-02selftests/bpf: Add access_inner_map selftestRhys Rustad-Elliott2-0/+76
Add a selftest that accesses a BPF_MAP_TYPE_ARRAY (at a nonzero index) nested within a BPF_MAP_TYPE_HASH_OF_MAPS to flex a previously buggy case. Signed-off-by: Rhys Rustad-Elliott <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Martin KaFai Lau <[email protected]>
2023-06-01Merge tag 'net-6.4-rc5' of ↵Linus Torvalds10-5/+83
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Happy Wear a Dress Day. Fairly standard-sized batch of fixes, accounting for the lack of sub-tree submissions this week. The mlx5 IRQ fixes are notable, people were complaining about that. No fires burning. Current release - regressions: - eth: mlx5e: - multiple fixes for dynamic IRQ allocation - prevent encap offload when neigh update is running - eth: mana: fix perf regression: remove rx_cqes, tx_cqes counters Current release - new code bugs: - eth: mlx5e: DR, add missing mutex init/destroy in pattern manager Previous releases - always broken: - tcp: deny tcp_disconnect() when threads are waiting - sched: prevent ingress Qdiscs from getting installed in random locations in the hierarchy and moving around - sched: flower: fix possible OOB write in fl_set_geneve_opt() - netlink: fix NETLINK_LIST_MEMBERSHIPS length report - udp6: fix race condition in udp6_sendmsg & connect - tcp: fix mishandling when the sack compression is deferred - rtnetlink: validate link attributes set at creation time - mptcp: fix connect timeout handling - eth: stmmac: fix call trace when stmmac_xdp_xmit() is invoked - eth: amd-xgbe: fix the false linkup in xgbe_phy_status - eth: mlx5e: - fix corner cases in internal buffer configuration - drain health before unregistering devlink - usb: qmi_wwan: set DTR quirk for BroadMobi BM818 Misc: - tcp: return user_mss for TCP_MAXSEG in CLOSE/LISTEN state if user_mss set" * tag 'net-6.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (71 commits) mptcp: fix active subflow finalization mptcp: add annotations around sk->sk_shutdown accesses mptcp: fix data race around msk->first access mptcp: consolidate passive msk socket initialization mptcp: add annotations around msk->subflow accesses mptcp: fix connect timeout handling rtnetlink: add the missing IFLA_GRO_ tb check in validate_linkmsg rtnetlink: move IFLA_GSO_ tb check to validate_linkmsg rtnetlink: call validate_linkmsg in rtnl_create_link ice: recycle/free all of the fragments from multi-buffer frame net: phy: mxl-gpy: extend interrupt fix to all impacted variants net: renesas: rswitch: Fix return value in error path of xmit net: dsa: mv88e6xxx: Increase wait after reset deactivation net: ipa: Use correct value for IPA_STATUS_SIZE tcp: fix mishandling when the sack compression is deferred. net/sched: flower: fix possible OOB write in fl_set_geneve_opt() sfc: fix error unwinds in TC offload net/mlx5: Read embedded cpu after init bit cleared net/mlx5e: Fix error handling in mlx5e_refresh_tirs net/mlx5: Ensure af_desc.mask is properly initialized ...
2023-05-30Merge tag 'perf-tools-fixes-for-v6.4-2-2023-05-30' of ↵Linus Torvalds12-24/+51
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - Fix BPF CO-RE naming convention for checking the availability of fields on 'union perf_mem_data_src' on the running kernel - Remove the use of llvm-strip on BPF skel object files, not needed, fixes a build breakage when the llvm package, that contains it in most distros, isn't installed - Fix tools that use both evsel->{bpf_counter_list,bpf_filters}, removing them from a union - Remove extra "--" from the 'perf ftrace latency' --use-nsec option, previously it was working only when using the '-n' alternative - Don't stop building when both binutils-devel and a C++ compiler isn't available to compile the alternative C++ demangle support code, disable that feature instead - Sync the linux/in.h and coresight-pmu.h header copies with the kernel sources - Fix relative include path to cs-etm.h * tag 'perf-tools-fixes-for-v6.4-2-2023-05-30' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf evsel: Separate bpf_counter_list and bpf_filters, can be used at the same time tools headers UAPI: Sync the linux/in.h with the kernel sources perf cs-etm: Copy kernel coresight-pmu.h header perf bpf: Do not use llvm-strip on BPF binary perf build: Don't compile demangle-cxx.cpp if not necessary perf arm: Fix include path to cs-etm.h perf bpf filter: Fix a broken perf sample data naming for BPF CO-RE perf ftrace latency: Remove unnecessary "--" from --use-nsec option
2023-05-30cxl/pci: Find and register CXL PMU devicesJonathan Cameron1-0/+1
CXL PMU devices can be found from entries in the Register Locator DVSEC. Reviewed-by: Dan Williams <[email protected]> Reviewed-by: Dave Jiang <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dan Williams <[email protected]>
2023-05-30selftests: mptcp: userspace pm: skip if MPTCP is not supportedMatthieu Baerts1-0/+4
Selftests are supposed to run on any kernels, including the old ones not supporting MPTCP. A new check is then added to make sure MPTCP is supported. If not, the test stops and is marked as "skipped". Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368 Fixes: 259a834fadda ("selftests: mptcp: functional tests for the userspace PM type") Cc: [email protected] Acked-by: Paolo Abeni <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2023-05-30selftests: mptcp: sockopt: skip if MPTCP is not supportedMatthieu Baerts1-0/+4
Selftests are supposed to run on any kernels, including the old ones not supporting MPTCP. A new check is then added to make sure MPTCP is supported. If not, the test stops and is marked as "skipped". Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368 Fixes: dc65fe82fb07 ("selftests: mptcp: add packet mark test case") Cc: [email protected] Acked-by: Paolo Abeni <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2023-05-30selftests: mptcp: simult flows: skip if MPTCP is not supportedMatthieu Baerts1-0/+4
Selftests are supposed to run on any kernels, including the old ones not supporting MPTCP. A new check is then added to make sure MPTCP is supported. If not, the test stops and is marked as "skipped". Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368 Fixes: 1a418cb8e888 ("mptcp: simult flow self-tests") Cc: [email protected] Acked-by: Paolo Abeni <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2023-05-30selftests: mptcp: diag: skip if MPTCP is not supportedMatthieu Baerts1-0/+4
Selftests are supposed to run on any kernels, including the old ones not supporting MPTCP. A new check is then added to make sure MPTCP is supported. If not, the test stops and is marked as "skipped". Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368 Fixes: df62f2ec3df6 ("selftests/mptcp: add diag interface tests") Cc: [email protected] Acked-by: Paolo Abeni <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2023-05-30selftests: mptcp: join: skip if MPTCP is not supportedMatthieu Baerts1-0/+4
Selftests are supposed to run on any kernels, including the old ones not supporting MPTCP. A new check is then added to make sure MPTCP is supported. If not, the test stops and is marked as "skipped". Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368 Fixes: b08fbf241064 ("selftests: add test-cases for MPTCP MP_JOIN") Cc: [email protected] Acked-by: Paolo Abeni <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2023-05-30selftests: mptcp: pm nl: skip if MPTCP is not supportedMatthieu Baerts1-0/+4
Selftests are supposed to run on any kernels, including the old ones not supporting MPTCP. A new check is then added to make sure MPTCP is supported. If not, the test stops and is marked as "skipped". Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368 Fixes: eedbc685321b ("selftests: add PM netlink functional tests") Cc: [email protected] Acked-by: Paolo Abeni <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2023-05-30selftests: mptcp: connect: skip if MPTCP is not supportedMatthieu Baerts3-1/+45
Selftests are supposed to run on any kernels, including the old ones not supporting MPTCP. A new check is then added to make sure MPTCP is supported. If not, the test stops and is marked as "skipped". Note that this check can also mark the test as failed if 'SELFTESTS_MPTCP_LIB_EXPECT_ALL_FEATURES' env var is set to 1: by doing that, we can make sure a test is not being skipped by mistake. A new shared file is added here to be able to re-used the same check in the different selftests we have. Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368 Fixes: 048d19d444be ("mptcp: add basic kselftest for mptcp") Cc: [email protected] Acked-by: Paolo Abeni <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2023-05-30selftests: mptcp: join: avoid using 'cmp --bytes'Matthieu Baerts1-2/+11
BusyBox's 'cmp' command doesn't support the '--bytes' parameter. Some CIs -- i.e. LKFT -- use BusyBox and have the mptcp_join.sh test failing [1] because their 'cmp' command doesn't support this '--bytes' option: cmp: unrecognized option '--bytes=1024' BusyBox v1.35.0 () multi-call binary. Usage: cmp [-ls] [-n NUM] FILE1 [FILE2] Instead, 'head --bytes' can be used as this option is supported by BusyBox. A temporary file is needed for this operation. Because it is apparently quite common to use BusyBox, it is certainly better to backport this fix to impacted kernels. Fixes: 6bf41020b72b ("selftests: mptcp: update and extend fastclose test-cases") Cc: [email protected] Link: https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.3-rc5-5-g148341f0a2f5/testrun/16088933/suite/kselftest-net-mptcp/test/net_mptcp_userspace_pm_sh/log [1] Suggested-by: Paolo Abeni <[email protected]> Reviewed-by: Mat Martineau <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2023-05-29Merge tag 'trace-v6.4-rc3' of ↵Linus Torvalds2-3/+26
git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing fixes from Steven Rostedt: "User events: - Use long instead of int for storing the enable set/clear bit, as it was found that big endian machines could end up using the wrong bits. - Split allocating mm and attaching it. This keeps the allocation separate from the registration and avoids various races. - Remove RCU locking around pin_user_pages_remote() as that can schedule. The RCU protection is no longer needed with the above split of mm allocation and attaching. - Rename the "link" fields of the various structs to something more meaningful. - Add comments around user_event_mm struct usage and locking requirements. Timerlat tracer: - Fix missed wakeup of timerlat thread caused by the timerlat interrupt triggering when tracing is off. The timer interrupt handler needs to always wake up the timerlat thread regardless if tracing is enabled or not, otherwise, it will never wake up. Histograms: - Fix regression of breaking the "stacktrace" modifier for variables. That modifier cannot be used for values, but can be used for variables that are passed from one histogram to the next. This was broken when adding the restriction to values as the variable logic used the same code. - Rename the special field "stacktrace" to "common_stacktrace". Special fields (that are not actually part of the event, but can act just like event fields, like 'comm' and 'timestamp') should be prefixed with 'common_' for consistency. To keep backward compatibility, 'stacktrace' can still be used (as with the special field 'cpu'), but can be overridden if the event has a field called 'stacktrace'. - Update the synthetic event selftests to use the new name (synthetic events are created by histograms) Tracing bootup selftests: - Reorganize the code to keep artifacts of the selftests not compiled in when selftests are not configured. - Add various cond_resched() around the selftest code, as the softlock watchdog was triggering much more often. It appears that the kernel runs slower now with full debugging enabled. - While debugging ftrace with ftrace (using an instance ring buffer instead of the top level one), I found that the selftests were disabling prints to the debug instance. This should not happen, as the selftests only disable printing to the main buffer as the selftests examine the main buffer to see if it has what it expects, and prints can make the tests fail. Make the selftests only disable printing to the toplevel buffer, and leave the instance buffers alone" * tag 'trace-v6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: tracing: Have function_graph selftest call cond_resched() tracing: Only make selftest conditionals affect the global_trace tracing: Make tracing_selftest_running/delete nops when not used tracing: Have tracer selftests call cond_resched() before running tracing: Move setting of tracing_selftest_running out of register_tracer() tracing/selftests: Update synthetic event selftest to use common_stacktrace tracing: Rename stacktrace field to common_stacktrace tracing/histograms: Allow variables to have some modifiers tracing/user_events: Document user_event_mm one-shot list usage tracing/user_events: Rename link fields for clarity tracing/user_events: Remove RCU lock while pinning pages tracing/user_events: Split up mm alloc and attach tracing/timerlat: Always wakeup the timerlat thread tracing/user_events: Use long vs int for atomic bit ops
2023-05-26Merge tag 'cxl-fixes-6.4-rc4' of ↵Linus Torvalds3-0/+17
git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl Pull compute express link fixes from Dan Williams: "The 'media ready' series prevents the driver from acting on bad capacity information, and it moves some checks earlier in the init sequence which impacts topics in the queue for 6.5. Additional hotplug testing uncovered a missing enable for memory decode. A debug crash fix is also included. Summary: - Stop trusting capacity data before the "media ready" indication - Add missing HDM decoder capability enable for the cold-plug case - Fix a debug message induced crash" * tag 'cxl-fixes-6.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: cxl: Explicitly initialize resources when media is not ready cxl/port: Fix NULL pointer access in devm_cxl_add_port() cxl: Move cxl_await_media_ready() to before capacity info retrieval cxl: Wait Memory_Info_Valid before access memory related info cxl/port: Enable the HDM decoder capability for switch ports
2023-05-26Merge tag 'gpio-fixes-for-v6.4-rc4' of ↵Linus Torvalds2-1/+4
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - fix incorrect output in in-tree gpio tools - fix a shell coding issue in gpio-sim selftests - correctly set the permissions for debugfs attributes exposed by gpio-mockup - fix chip name and pin count in gpio-f7188x for one of the supported models - fix numberspace pollution when using dynamically and statically allocated GPIOs together * tag 'gpio-fixes-for-v6.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio-f7188x: fix chip name and pin count on Nuvoton chip gpiolib: fix allocation of mixed dynamic/static GPIOs gpio: mockup: Fix mode of debugfs files selftests: gpio: gpio-sim: Fix BUG: test FAILED due to recent change tools: gpio: fix debounce_period_us output of lsgpio
2023-05-26perf evsel: Separate bpf_counter_list and bpf_filters, can be used at the ↵Song Liu2-4/+3
same time 'struct evsel' uses a union for the two lists. This turned out to be error prone. For example: [root@quaco ~]# perf stat --bpf-prog 5246 Error: cpu-clock event does not have sample flags 66c660 failed to set filter "(null)" on event cpu-clock with 2 (No such file or directory) [root@quaco ~]# perf stat --bpf-prog 5246 Fix this issue by separating the two lists. Fixes: 56ec9457a4a20c5e ("perf bpf filter: Implement event sample filtering") Signed-off-by: Song Liu <[email protected]> Acked-by: Namhyung Kim <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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