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2 daysselftests: mptcp: avoid spurious errors on TCP disconnectMatthieu Baerts (NGI0)1-2/+2
commit 8708c5d8b3fb3f6d5d3b9e6bfe01a505819f519a upstream. The disconnect test-case, with 'plain' TCP sockets generates spurious errors, e.g. 07 ns1 TCP -> ns1 (dead:beef:1::1:10006) MPTCP read: Connection reset by peer read: Connection reset by peer (duration 155ms) [FAIL] client exit code 3, server 3 netns ns1-FloSdv (listener) socket stat for 10006: TcpActiveOpens 2 0.0 TcpPassiveOpens 2 0.0 TcpEstabResets 2 0.0 TcpInSegs 274 0.0 TcpOutSegs 276 0.0 TcpOutRsts 3 0.0 TcpExtPruneCalled 2 0.0 TcpExtRcvPruned 1 0.0 TcpExtTCPPureAcks 104 0.0 TcpExtTCPRcvCollapsed 2 0.0 TcpExtTCPBacklogCoalesce 42 0.0 TcpExtTCPRcvCoalesce 43 0.0 TcpExtTCPChallengeACK 1 0.0 TcpExtTCPFromZeroWindowAdv 42 0.0 TcpExtTCPToZeroWindowAdv 41 0.0 TcpExtTCPWantZeroWindowAdv 13 0.0 TcpExtTCPOrigDataSent 164 0.0 TcpExtTCPDelivered 165 0.0 TcpExtTCPRcvQDrop 1 0.0 In the failing scenarios (TCP -> MPTCP), the involved sockets are actually plain TCP ones, as fallbacks for passive sockets at 2WHS time cause the MPTCP listeners to actually create 'plain' TCP sockets. Similar to commit 218cc166321f ("selftests: mptcp: avoid spurious errors on disconnect"), the root cause is in the user-space bits: the test program tries to disconnect as soon as all the pending data has been spooled, generating an RST. If such option reaches the peer before the connection has reached the closed status, the TCP socket will report an error to the user-space, as per protocol specification, causing the above failure. Note that it looks like this issue got more visible since the "tcp: receiver changes" series from commit 06baf9bfa6ca ("Merge branch 'tcp-receiver-changes'"). Address the issue by explicitly waiting for the TCP sockets (-t) to reach a closed status before performing the disconnect. More precisely, the test program now waits for plain TCP sockets or TCP subflows in addition to the MPTCP sockets that were already monitored. While at it, use 'ss' with '-n' to avoid resolving service names, which is not needed here. Fixes: 218cc166321f ("selftests: mptcp: avoid spurious errors on disconnect") Cc: stable@vger.kernel.org Suggested-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Mat Martineau <martineau@kernel.org> Reviewed-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250912-net-mptcp-fix-sft-connect-v1-3-d40e77cbbf02@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2 daysselftests: mptcp: connect: catch IO errors on listen sideMatthieu Baerts (NGI0)1-3/+4
commit 14e22b43df25dbd4301351b882486ea38892ae4f upstream. IO errors were correctly printed to stderr, and propagated up to the main loop for the server side, but the returned value was ignored. As a consequence, the program for the listener side was no longer exiting with an error code in case of IO issues. Because of that, some issues might not have been seen. But very likely, most issues either had an effect on the client side, or the file transfer was not the expected one, e.g. the connection got reset before the end. Still, it is better to fix this. The main consequence of this issue is the error that was reported by the selftests: the received and sent files were different, and the MIB counters were not printed. Also, when such errors happened during the 'disconnect' tests, the program tried to continue until the timeout. Now when an IO error is detected, the program exits directly with an error. Fixes: 05be5e273c84 ("selftests: mptcp: add disconnect tests") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau <martineau@kernel.org> Reviewed-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250912-net-mptcp-fix-sft-connect-v1-2-d40e77cbbf02@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2 daysobjtool/LoongArch: Mark special atomic instruction as INSN_BUG typeTiezhu Yang2-0/+33
commit 539d7344d4feaea37e05863e9aa86bd31f28e46f upstream. When compiling with LLVM and CONFIG_RUST is set, there exists the following objtool warning: rust/compiler_builtins.o: warning: objtool: __rust__unordsf2(): unexpected end of section .text.unlikely. objdump shows that the end of section .text.unlikely is an atomic instruction: amswap.w $zero, $ra, $zero According to the LoongArch Reference Manual, if the amswap.w atomic memory access instruction has the same register number as rd and rj, the execution will trigger an Instruction Non-defined Exception, so mark the above instruction as INSN_BUG type to fix the warning. Cc: stable@vger.kernel.org Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2 daysobjtool/LoongArch: Mark types based on break immediate codeTiezhu Yang1-3/+9
commit baad7830ee9a56756b3857348452fe756cb0a702 upstream. If the break immediate code is 0, it should mark the type as INSN_TRAP. If the break immediate code is 1, it should mark the type as INSN_BUG. While at it, format the code style and add the code comment for nop. Cc: stable@vger.kernel.org Suggested-by: WANG Rui <wangrui@loongson.cn> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2 daysselftests: mptcp: sockopt: fix error messagesGeliang Tang1-6/+10
[ Upstream commit b86418beade11d45540a2d20c4ec1128849b6c27 ] This patch fixes several issues in the error reporting of the MPTCP sockopt selftest: 1. Fix diff not printed: The error messages for counter mismatches had the actual difference ('diff') as argument, but it was missing in the format string. Displaying it makes the debugging easier. 2. Fix variable usage: The error check for 'mptcpi_bytes_acked' incorrectly used 'ret2' (sent bytes) for both the expected value and the difference calculation. It now correctly uses 'ret' (received bytes), which is the expected value for bytes_acked. 3. Fix off-by-one in diff: The calculation for the 'mptcpi_rcv_delta' diff was 's.mptcpi_rcv_delta - ret', which is off-by-one. It has been corrected to 's.mptcpi_rcv_delta - (ret + 1)' to match the expected value in the condition above it. Fixes: 5dcff89e1455 ("selftests: mptcp: explicitly tests aggregate counters") Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250912-net-mptcp-pm-uspace-deny_join_id0-v1-5-40171884ade8@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2 daysselftests: mptcp: userspace pm: validate deny-join-id0 flagMatthieu Baerts (NGI0)2-3/+18
[ Upstream commit 24733e193a0d68f20d220e86da0362460c9aa812 ] The previous commit adds the MPTCP_PM_EV_FLAG_DENY_JOIN_ID0 flag. Make sure it is correctly announced by the other peer when it has been received. pm_nl_ctl will now display 'deny_join_id0:1' when monitoring the events, and when this flag was set by the other peer. The 'Fixes' tag here below is the same as the one from the previous commit: this patch here is not fixing anything wrong in the selftests, but it validates the previous fix for an issue introduced by this commit ID. Fixes: 702c2f646d42 ("mptcp: netlink: allow userspace-driven subflow establishment") Reviewed-by: Mat Martineau <martineau@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250912-net-mptcp-pm-uspace-deny_join_id0-v1-3-40171884ade8@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2 daysperf maps: Ensure kmap is set up for all insertsIan Rogers1-4/+5
[ Upstream commit 20c9ccffccd61b37325a0519fb6d485caeecf7fa ] __maps__fixup_overlap_and_insert may split or directly insert a map, when doing this the map may need to have a kmap set up for the sake of the kmaps. The missing kmap set up fails the check_invariants test in maps, later "Internal error" reports from map__kmap and ultimately causes segfaults. Similar fixes were added in commit e0e4e0b8b7fa ("perf maps: Add missing map__set_kmap_maps() when replacing a kernel map") and commit 25d9c0301d36 ("perf maps: Set the kmaps for newly created/added kernel maps") but they missed cases. To try to reduce the risk of this, update the kmap directly following any manual insert. This identified another problem in maps__copy_from. Fixes: e0e4e0b8b7fa ("perf maps: Add missing map__set_kmap_maps() when replacing a kernel map") Fixes: 25d9c0301d36 ("perf maps: Set the kmaps for newly created/added kernel maps") Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
8 daysselftests: can: enable CONFIG_CAN_VCAN as a moduleDavide Caratti1-0/+3
[ Upstream commit d013ebc3499fd87cb9dee1dafd0c58aeb05c27c1 ] A proper kernel configuration for running kselftest can be obtained with: $ yes | make kselftest-merge Build of 'vcan' driver is currently missing, while the other required knobs are already there because of net/link_netns.py [1]. Add a config file in selftests/net/can to store the minimum set of kconfig needed for CAN selftests. [1] https://patch.msgid.link/20250219125039.18024-14-shaw.leon@gmail.com Fixes: 77442ffa83e8 ("selftests: can: Import tst-filter from can-tests") Reviewed-by: Vincent Mailhol <mailhol@kernel.org> Signed-off-by: Davide Caratti <dcaratti@redhat.com> Link: https://patch.msgid.link/fa4c0ea262ec529f25e5f5aa9269d84764c67321.1757516009.git.dcaratti@redhat.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-09tools: gpio: remove the include directory on make cleanzhang jiao1-1/+1
[ Upstream commit ed42d80f3bae89592fbb2ffaf8b6b2e720d53f6a ] Remove the generated include directory when running make clean. Fixes: 8674cea84dc6 ("tools/gpio: move to tools buildsystem") Signed-off-by: Zhang Jiao <zhangjiao2@cmss.chinamobile.com> Link: https://lore.kernel.org/r/20250903063621.2424-1-zhangjiao2@cmss.chinamobile.com [Bartosz: add Fixes tag, improve the commit message] Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-09perf bpf-utils: Harden get_bpf_prog_info_linearIan Rogers1-10/+33
[ Upstream commit 01be43f2a0eaeed83e94dee054742f37625c86d9 ] In get_bpf_prog_info_linear two calls to bpf_obj_get_info_by_fd are made, the first to compute memory requirements for a struct perf_bpil and the second to fill it in. Previously the code would warn when the second call didn't match the first. Such races can be common place in things like perf test, whose perf trace tests will frequently load BPF programs. Rather than a debug message, return actual errors for this case. Out of paranoia also validate the read bpf_prog_info array value. Change the type of ptr to avoid mismatched pointer type compiler warnings. Add some additional debug print outs and sanity asserts. Closes: https://lore.kernel.org/lkml/CAP-5=fWJQcmUOP7MuCA2ihKnDAHUCOBLkQFEkQES-1ZZTrgf8Q@mail.gmail.com/ Fixes: 6ac22d036f86 ("perf bpf: Pull in bpf_program__get_prog_info_linear()") Reviewed-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20250902181713.309797-4-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-09perf bpf-utils: Constify bpil_array_descIan Rogers1-12/+6
[ Upstream commit 1654a0e4d576d9e43fbb10ccf6a1b307c5c18566 ] The array's contents is a compile time constant. Constify to make the code more intention revealing and avoid unintended errors. Reviewed-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20250902181713.309797-3-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org> Stable-dep-of: 01be43f2a0ea ("perf bpf-utils: Harden get_bpf_prog_info_linear") Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-09perf bpf-event: Fix use-after-free in synthesisIan Rogers1-12/+27
[ Upstream commit d7b67dd6f9db7bd2c49b415e901849b182ff0735 ] Calls to perf_env__insert_bpf_prog_info may fail as a sideband thread may already have inserted the bpf_prog_info. Such failures may yield info_linear being freed which then causes use-after-free issues with the internal bpf_prog_info info struct. Make it so that perf_env__insert_bpf_prog_info trigger early non-error paths and fix the use-after-free in perf_event__synthesize_one_bpf_prog. Add proper return error handling to perf_env__add_bpf_info (that calls perf_env__insert_bpf_prog_info) and propagate the return value in its callers. Closes: https://lore.kernel.org/lkml/CAP-5=fWJQcmUOP7MuCA2ihKnDAHUCOBLkQFEkQES-1ZZTrgf8Q@mail.gmail.com/ Fixes: 03edb7020bb9 ("perf bpf: Fix two memory leakages when calling perf_env__insert_bpf_prog_info()") Reviewed-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20250902181713.309797-2-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-09selftest: net: Fix weird setsockopt() in bind_bhash.c.Kuniyuki Iwashima1-2/+2
[ Upstream commit fd2004d82d8d8faa94879e3de3096c8511728637 ] bind_bhash.c passes (SO_REUSEADDR | SO_REUSEPORT) to setsockopt(). In the asm-generic definition, the value happens to match with the bare SO_REUSEPORT, (2 | 15) == 15, but not on some arch. arch/alpha/include/uapi/asm/socket.h:18:#define SO_REUSEADDR 0x0004 arch/alpha/include/uapi/asm/socket.h:24:#define SO_REUSEPORT 0x0200 arch/mips/include/uapi/asm/socket.h:24:#define SO_REUSEADDR 0x0004 /* Allow reuse of local addresses. */ arch/mips/include/uapi/asm/socket.h:33:#define SO_REUSEPORT 0x0200 /* Allow local address and port reuse. */ arch/parisc/include/uapi/asm/socket.h:12:#define SO_REUSEADDR 0x0004 arch/parisc/include/uapi/asm/socket.h:18:#define SO_REUSEPORT 0x0200 arch/sparc/include/uapi/asm/socket.h:13:#define SO_REUSEADDR 0x0004 arch/sparc/include/uapi/asm/socket.h:20:#define SO_REUSEPORT 0x0200 include/uapi/asm-generic/socket.h:12:#define SO_REUSEADDR 2 include/uapi/asm-generic/socket.h:27:#define SO_REUSEPORT 15 Let's pass SO_REUSEPORT only. Fixes: c35ecb95c448 ("selftests/net: Add test for timing a bind request to a port with a populated bhash entry") Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250903222938.2601522-1-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-09selftests: netfilter: fix udpclash tool hangFlorian Westphal3-4/+5
[ Upstream commit 661a4f307fe0f80c1d544e09476ccba9037e8e65 ] Yi Chen reports that 'udpclash' loops forever depending on compiler (and optimization level used); while (x == 1) gets optimized into for (;;). Add volatile qualifier to avoid that. While at it, also run it under timeout(1) and fix the resize script to not ignore the timeout passed as second parameter to insert_flood. Reported-by: Yi Chen <yiche@redhat.com> Suggested-by: Yi Chen <yiche@redhat.com> Fixes: 78a588363587 ("selftests: netfilter: add conntrack clash resolution test case") Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-09tools: ynl-gen: fix nested array countingAsbjørn Sloth Tønnesen1-1/+1
[ Upstream commit b4ada0618eed0fbd1b1630f73deb048c592b06a1 ] The blamed commit introduced the concept of split attribute counting, and later allocating an array to hold them, however TypeArrayNest wasn't updated to use the new counting variable. Abbreviated example from tools/net/ynl/generated/nl80211-user.c: nl80211_if_combination_attributes_parse(...): unsigned int n_limits = 0; [...] ynl_attr_for_each(attr, nlh, yarg->ys->family->hdr_len) if (type == NL80211_IFACE_COMB_LIMITS) ynl_attr_for_each_nested(attr2, attr) dst->_count.limits++; if (n_limits) { dst->_count.limits = n_limits; /* allocate and parse attributes */ } In the above example n_limits is guaranteed to always be 0, hence the conditional is unsatisfiable and is optimized out. This patch changes the attribute counting to use n_limits++ in the attribute counting loop in the above example. Fixes: 58da455b31ba ("tools: ynl-gen: improve unwind on parsing errors") Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Link: https://patch.msgid.link/20250902160001.760953-1-ast@fiberby.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-09selftests: drv-net: csum: fix interface name for remote hostJakub Kicinski1-2/+2
[ Upstream commit 49c2502b5946ebf454d7e16fd0189769a82b6117 ] Use cfg.remote_ifname for arguments of remote command. Without this UDP tests fail in NIPA where local interface is called enp1s0 and remote enp0s4. Fixes: 1d0dc857b5d8 ("selftests: drv-net: add checksum tests") Reviewed-by: Willem de Bruijn <willemb@google.com> Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Link: https://patch.msgid.link/20250830183842.688935-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-09netfilter: nft_flowtable.sh: re-run with random mtu sizesFlorian Westphal1-37/+76
[ Upstream commit d6a367ec6c96fc8e61b4d67e69df03565ec69fb7 ] Jakub says: nft_flowtable.sh is one of the most flake-atious test for netdev CI currently :( The root cause is two-fold: 1. the failing part of the test is supposed to make sure that ip fragments are forwarded for offloaded flows. (flowtable has to pass them to classic forward path). path mtu discovery for these subtests is disabled. 2. nft_flowtable.sh has two passes. One with fixed mtus/file size and one where link mtus and file sizes are random. The CI failures all have same pattern: re-run with random mtus and file size: -o 27663 -l 4117 -r 10089 -s 54384840 [..] PASS: dscp_egress: dscp packet counters match FAIL: file mismatch for ns1 -> ns2 In some cases this error triggers a bit ealier, sometimes in a later subtest: re-run with random mtus and file size: -o 20201 -l 4555 -r 12657 -s 9405856 [..] PASS: dscp_egress: dscp packet counters match PASS: dscp_fwd: dscp packet counters match 2025/08/17 20:37:52 socat[18954] E write(7, 0x560716b96000, 8192): Broken pipe FAIL: file mismatch for ns1 -> ns2 -rw------- 1 root root 9405856 Aug 17 20:36 /tmp/tmp.2n63vlTrQe But all logs I saw show same scenario: 1. Failing tests have pmtu discovery off (i.e., ip fragmentation) 2. The test file is much larger than first-pass default (2M Byte) 3. peers have much larger MTUs compared to the 'network'. These errors are very reproducible when re-running the test with the same commandline arguments. The timeout became much more prominent with 1d2fbaad7cd8 ("tcp: stronger sk_rcvbuf checks"): reassembled packets typically have a skb->truesize more than double the skb length. As that commit is intentional and pmtud-off with large-tcp-packets-as-fragments is not normal adjust the test to use a smaller file for the pmtu-off subtests. While at it, add more information to pass/fail messages and also run the dscp alteration subtest with pmtu discovery enabled. Link: https://netdev.bots.linux.dev/contest.html?test=nft-flowtable-sh Fixes: f84ab634904c ("selftests: netfilter: nft_flowtable.sh: re-run with random mtu sizes") Reported-by: Jakub Kicinski <kuba@kernel.org> Closes: https://lore.kernel.org/netdev/20250822071330.4168f0db@kernel.org/ Signed-off-by: Florian Westphal <fw@strlen.de> Link: https://patch.msgid.link/20250828214918.3385-1-fw@strlen.de Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-09cpupower: Fix a bug where the -t option of the set subcommand was not working.Shinji Nomoto1-2/+2
[ Upstream commit b3eaf14f4c63fd6abc7b68c6d7a07c5680a6d8e5 ] The set subcommand's -t option is documented as being available for boost configuration, but it was not actually functioning due to a bug in the option handling. Link: https://lore.kernel.org/r/20250522061122.2149188-2-fj5851bi@fujitsu.com Signed-off-by: Shinji Nomoto <fj5851bi@fujitsu.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-04perf symbol-minimal: Fix ehdr reading in filename__read_build_idIan Rogers1-28/+27
[ Upstream commit ba0b7081f7a521d7c28b527a4f18666a148471e7 ] The e_ident is part of the ehdr and so reading it a second time would mean the read ehdr was displaced by 16-bytes. Switch from stdio to open/read/lseek syscalls for similarity with the symbol-elf version of the function and so that later changes can alter then open flags. Fixes: fef8f648bb47 ("perf symbol: Fix use-after-free in filename__read_build_id") Signed-off-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20250823000024.724394-2-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-04rtla: Check pkg-config installTao Chen1-0/+8
[ Upstream commit 7b128f1d53dcaa324d4aa05d821a6bf4a7b203e7 ] The tool pkg-config used to check libtraceevent and libtracefs, if not installed, it will report the libs not found, even though they have already been installed. Before: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel libtracefs is missing. Please install libtracefs-dev/libtracefs-devel After: Makefile.config:10: *** Error: pkg-config needed by libtraceevent/libtracefs is missing on this system, please install it. Link: https://lore.kernel.org/20250808040527.2036023-2-chen.dylane@linux.dev Fixes: 01474dc706ca ("tools/rtla: Use tools/build makefiles to build rtla") Signed-off-by: Tao Chen <chen.dylane@linux.dev> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-09-04tools/latency-collector: Check pkg-config installTao Chen1-0/+8
[ Upstream commit 26ebba25e210116053609f4c7ee701bffa7ebd7d ] The tool pkg-config used to check libtraceevent and libtracefs, if not installed, it will report the libs not found, even though they have already been installed. Before: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel libtracefs is missing. Please install libtracefs-dev/libtracefs-devel After: Makefile.config:10: *** Error: pkg-config needed by libtraceevent/libtracefs is missing on this system, please install it. Link: https://lore.kernel.org/20250808040527.2036023-1-chen.dylane@linux.dev Fixes: 9d56c88e5225 ("tools/tracing: Use tools/build makefiles on latency-collector") Signed-off-by: Tao Chen <chen.dylane@linux.dev> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-28objtool/LoongArch: Get table size correctly if LTO is enabledTiezhu Yang1-0/+23
[ Upstream commit a47bc954cf0eb51f2828e1607d169d487df7f11f ] When compiling with LLVM and CONFIG_LTO_CLANG is set, there exist many objtool warnings "sibling call from callable instruction with modified stack frame". For this special case, the related object file shows that there is no generated relocation section '.rela.discard.tablejump_annotate' for the table jump instruction jirl, thus objtool can not know that what is the actual destination address. It needs to do something on the LLVM side to make sure that there is the relocation section '.rela.discard.tablejump_annotate' if LTO is enabled, but in order to maintain compatibility for the current LLVM compiler, this can be done in the kernel Makefile for now. Ensure it is aware of linker with LTO, '--loongarch-annotate-tablejump' needs to be passed via '-mllvm' to ld.lld. Before doing the above changes, it should handle the special case of the relocation section '.rela.discard.tablejump_annotate' to get the correct table size first, otherwise there are many objtool warnings and errors if LTO is enabled. There are many different rodata for each function if LTO is enabled, it is necessary to enhance get_rodata_table_size_by_table_annotate(). Fixes: b95f852d3af2 ("objtool/LoongArch: Add support for switch table") Closes: https://lore.kernel.org/loongarch/20250731175655.GA1455142@ax162/ Reported-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-28selftests: mptcp: sockopt: fix C23 extension warningMatthieu Baerts (NGI0)2-4/+6
commit 3259889fd3c0cc165b7e9ee375c789875dd32326 upstream. GCC was complaining about the new label: mptcp_inq.c:79:2: warning: label followed by a declaration is a C23 extension [-Wc23-extensions] 79 | int err = getaddrinfo(node, service, hints, res); | ^ mptcp_sockopt.c:166:2: warning: label followed by a declaration is a C23 extension [-Wc23-extensions] 166 | int err = getaddrinfo(node, service, hints, res); | ^ Simply declare 'err' before the label to avoid this warning. Fixes: dd367e81b79a ("selftests: mptcp: sockopt: use IPPROTO_MPTCP for getaddrinfo") Cc: stable@vger.kernel.org Reviewed-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250815-net-mptcp-misc-fixes-6-17-rc2-v1-8-521fe9957892@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-08-28selftests: mptcp: connect: fix C23 extension warningMatthieu Baerts (NGI0)1-2/+3
commit 2eefbed30d46d5e68593baf6b52923e00e7678af upstream. GCC was complaining about the new label: mptcp_connect.c:187:2: warning: label followed by a declaration is a C23 extension [-Wc23-extensions] 187 | int err = getaddrinfo(node, service, hints, res); | ^ Simply declare 'err' before the label to avoid this warning. Fixes: a862771d1aa4 ("selftests: mptcp: use IPPROTO_MPTCP for getaddrinfo") Cc: stable@vger.kernel.org Reviewed-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250815-net-mptcp-misc-fixes-6-17-rc2-v1-7-521fe9957892@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-08-28selftests: mptcp: pm: check flush doesn't reset limitsMatthieu Baerts (NGI0)1-0/+1
commit 452690be7de2f91cc0de68cb9e95252875b33503 upstream. This modification is linked to the parent commit where the received ADD_ADDR limit was accidentally reset when the endpoints were flushed. To validate that, the test is now flushing endpoints after having set new limits, and before checking them. The 'Fixes' tag here below is the same as the one from the previous commit: this patch here is not fixing anything wrong in the selftests, but it validates the previous fix for an issue introduced by this commit ID. Fixes: 01cacb00b35c ("mptcp: add netlink-based PM") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau <martineau@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250815-net-mptcp-misc-fixes-6-17-rc2-v1-3-521fe9957892@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-08-20tools/nolibc: fix spelling of FD_SETBITMASK in FD_* macrosWilly Tarreau1-2/+2
commit a477629baa2a0e9991f640af418e8c973a1c08e3 upstream. While nolibc-test does test syscalls, it doesn't test as much the rest of the macros, and a wrong spelling of FD_SETBITMASK in commit feaf75658783a broke programs using either FD_SET() or FD_CLR() without being noticed. Let's fix these macros. Fixes: feaf75658783a ("nolibc: fix fd_set type") Cc: stable@vger.kernel.org # v6.2+ Acked-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-08-20tools/power turbostat: Handle cap_get_proc() ENOSYSCalvin Owens1-1/+9
[ Upstream commit d34fe509f5f76d9dc36291242d67c6528027ebbd ] Kernels configured with CONFIG_MULTIUSER=n have no cap_get_proc(). Check for ENOSYS to recognize this case, and continue on to attempt to access the requested MSRs (such as temperature). Signed-off-by: Calvin Owens <calvin@wbinvd.org> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20tools/power turbostat: Fix build with muslCalvin Owens1-0/+1
[ Upstream commit 6ea0ec1b958a84aff9f03fb0ae4613a4d5bed3ea ] turbostat.c: In function 'parse_int_file': turbostat.c:5567:19: error: 'PATH_MAX' undeclared (first use in this function) 5567 | char path[PATH_MAX]; | ^~~~~~~~ turbostat.c: In function 'probe_graphics': turbostat.c:6787:19: error: 'PATH_MAX' undeclared (first use in this function) 6787 | char path[PATH_MAX]; | ^~~~~~~~ Signed-off-by: Calvin Owens <calvin@wbinvd.org> Reviewed-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20tools/power turbostat: Handle non-root legacy-uncore sysfs permissionsLen Brown1-1/+2
[ Upstream commit e60a13bcef206795d3ddf82f130fe8f570176d06 ] /sys/devices/system/cpu/intel_uncore_frequency/package_X_die_Y/ may be readable by all, but /sys/devices/system/cpu/intel_uncore_frequency/package_X_die_Y/current_freq_khz may be readable only by root. Non-root turbostat users see complaints in this scenario. Fail probe of the interface if we can't read current_freq_khz. Reported-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Original-patch-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20selftests/bpf: Fix a user_ringbuf failure with arm64 64KB page sizeYonghong Song1-3/+7
[ Upstream commit bbc7bd658ddc662083639b9e9a280b90225ecd9a ] The ringbuf max_entries must be PAGE_ALIGNED. See kernel function ringbuf_map_alloc(). So for arm64 64KB page size, adjust max_entries properly. Signed-off-by: Yonghong Song <yonghong.song@linux.dev> Link: https://lore.kernel.org/r/20250607013626.1553001-1-yonghong.song@linux.dev Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20selftests/bpf: Fix ringbuf/ringbuf_write test failure with arm64 64KB page sizeYonghong Song2-4/+4
[ Upstream commit 8c8c5e3c854a2593ec90dacd868f3066b67de1c4 ] The ringbuf max_entries must be PAGE_ALIGNED. See kernel function ringbuf_map_alloc(). So for arm64 64KB page size, adjust max_entries and other related metrics properly. Signed-off-by: Yonghong Song <yonghong.song@linux.dev> Link: https://lore.kernel.org/r/20250607013621.1552332-1-yonghong.song@linux.dev Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20bpf: Make reg_not_null() true for CONST_PTR_TO_MAPIhor Solodrai1-1/+1
[ Upstream commit 5534e58f2e9bd72b253d033ee0af6e68eb8ac96b ] When reg->type is CONST_PTR_TO_MAP, it can not be null. However the verifier explores the branches under rX == 0 in check_cond_jmp_op() even if reg->type is CONST_PTR_TO_MAP, because it was not checked for in reg_not_null(). Fix this by adding CONST_PTR_TO_MAP to the set of types that are considered non nullable in reg_not_null(). An old "unpriv: cmp map pointer with zero" selftest fails with this change, because now early out correctly triggers in check_cond_jmp_op(), making the verification to pass. In practice verifier may allow pointer to null comparison in unpriv, since in many cases the relevant branch and comparison op are removed as dead code. So change the expected test result to __success_unpriv. Signed-off-by: Ihor Solodrai <isolodrai@meta.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20250609183024.359974-2-isolodrai@meta.com Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20bpftool: Fix JSON writer resource leak in version commandYuan Chen1-3/+3
[ Upstream commit 85cd83fed8267cde0dd1cea719808aad95ae4de7 ] When using `bpftool --version -j/-p`, the JSON writer object created in do_version() was not properly destroyed after use. This caused a memory leak each time the version command was executed with JSON output. Fix: 004b45c0e51a (tools: bpftool: provide JSON output for all possible commands) Suggested-by: Quentin Monnet <qmo@kernel.org> Signed-off-by: Yuan Chen <chenyuan@kylinos.cn> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Quentin Monnet <qmo@kernel.org> Link: https://lore.kernel.org/bpf/20250617132442.9998-1-chenyuan_fl@163.com Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20kselftest/arm64: Specify SVE data when testing VL set in sve-ptraceMark Brown1-1/+2
[ Upstream commit 9e8ebfe677f9101bbfe1f75d548a5aec581e8213 ] Since f916dd32a943 ("arm64/fpsimd: ptrace: Mandate SVE payload for streaming-mode state") we reject attempts to write to the streaming mode regset even if there is no register data supplied, causing the tests for setting vector lengths and setting SVE_VL_INHERIT in sve-ptrace to spuriously fail. Set the flag to avoid the issue, we still support not supplying register data. Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20250609-kselftest-arm64-ssve-fixups-v2-3-998fcfa6f240@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20libbpf: Fix warning in calloc() usageMatteo Croce1-1/+1
[ Upstream commit 0ee30d937c147fc14c4b49535181d437cd2fde7a ] When compiling libbpf with some compilers, this warning is triggered: libbpf.c: In function ‘bpf_object__gen_loader’: libbpf.c:9209:28: error: ‘calloc’ sizes specified with ‘sizeof’ in the earlier argument and not in the later argument [-Werror=calloc-transposed-args] 9209 | gen = calloc(sizeof(*gen), 1); | ^ libbpf.c:9209:28: note: earlier argument should specify number of elements, later size of each element Fix this by inverting the calloc() arguments. Signed-off-by: Matteo Croce <teknoraver@meta.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Yonghong Song <yonghong.song@linux.dev> Link: https://lore.kernel.org/bpf/20250717200337.49168-1-technoboy85@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20libbpf: Verify that arena map exists when adding arena relocationsEduard Zingerman1-0/+5
[ Upstream commit 42be23e8f2dcb100cb9944b2b54b6bf41aff943d ] Fuzzer reported a memory access error in bpf_program__record_reloc() that happens when: - ".addr_space.1" section exists - there is a relocation referencing this section - there are no arena maps defined in BTF. Sanity checks for maps existence are already present in bpf_program__record_reloc(), hence this commit adds another one. [1] https://github.com/libbpf/libbpf/actions/runs/16375110681/job/46272998064 Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20250718222059.281526-1-eddyz87@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20ktest.pl: Prevent recursion of default variable optionsSteven Rostedt1-1/+4
[ Upstream commit 61f7e318e99d3b398670518dd3f4f8510d1800fc ] If a default variable contains itself, do not recurse on it. For example: ADD_CONFIG := ${CONFIG_DIR}/temp_config DEFAULTS ADD_CONFIG = ${CONFIG_DIR}/default_config ${ADD_CONFIG} The above works because the temp variable ADD_CONFIG (is a temp because it is created with ":=") is already defined, it will be substituted in the variable option. But if it gets commented out: # ADD_CONFIG := ${CONFIG_DIR}/temp_config DEFAULTS ADD_CONFIG = ${CONFIG_DIR}/default_config ${ADD_CONFIG} Then the above will go into a recursive loop where ${ADD_CONFIG} will get replaced with the current definition of ADD_CONFIG which contains the ${ADD_CONFIG} and that will also try to get converted. ktest.pl will error after 100 attempts of recursion and fail. When replacing a variable with the default variable, if the default variable contains itself, do not replace it. Cc: "John Warthog9 Hawley" <warthog9@kernel.org> Cc: Dhaval Giani <dhaval.giani@gmail.com> Cc: Greg KH <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/20250718202053.732189428@kernel.org Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20verification/dot2k: Make a separate dot2k_templates/Kconfig_containerNam Cao2-1/+7
[ Upstream commit 214459699fd202c28b7b9f787e674acbd3af724a ] A generated container's Kconfig has an incorrect line: select DA_MON_EVENTS_IMPLICIT This is due to container generation uses the same template Kconfig file as deterministic automaton monitor. Therefore, make a separate Kconfig template for container which has only the necessaries for container. Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Link: https://lore.kernel.org/d54fd7ee120785bec5695220e837dbbd6efb30e5.1751634289.git.namcao@linutronix.de Reviewed-by: Gabriele Monaco <gmonaco@redhat.com> Signed-off-by: Nam Cao <namcao@linutronix.de> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20selftests: netfilter: Enable CONFIG_INET_SCTP_DIAGSebastian Andrzej Siewior1-1/+1
[ Upstream commit ba71a6e58b38aa6f86865d4e18579cb014903692 ] The config snippet specifies CONFIG_SCTP_DIAG. This was never an option. Replace CONFIG_SCTP_DIAG with the intended CONFIG_INET_SCTP_DIAG. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20pm: cpupower: Fix the snapshot-order of tsc,mperf, clock in mperf_stop()Gautham R. Shenoy1-2/+2
[ Upstream commit cda7ac8ce7de84cf32a3871ba5f318aa3b79381e ] In the function mperf_start(), mperf_monitor snapshots the time, tsc and finally the aperf,mperf MSRs. However, this order of snapshotting in is reversed in mperf_stop(). As a result, the C0 residency (which is computed as delta_mperf * 100 / delta_tsc) is under-reported on CPUs that is 100% busy. Fix this by snapshotting time, tsc and then aperf,mperf in mperf_stop() in the same order as in mperf_start(). Link: https://lore.kernel.org/r/20250612122355.19629-2-gautham.shenoy@amd.com Signed-off-by: Gautham R. Shenoy <gautham.shenoy@amd.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20selftests: vDSO: vdso_test_getrandom: Always print TAP headerThomas Weißschuh1-2/+4
[ Upstream commit 1158220b24674edaf885433153deb4f0e5c7d331 ] The TAP specification requires that the output begins with a header line. If vgetrandom_init() fails and skips the test, that header line is missing. Call vgetrandom_init() after ksft_print_header(). Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Link: https://lore.kernel.org/all/20250611-selftests-vdso-fixes-v3-8-e62e37a6bcf5@linutronix.de Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20selftests: tracing: Use mutex_unlock for testing glob filterMasami Hiramatsu (Google)1-1/+1
[ Upstream commit a089bb2822a49b0c5777a8936f82c1f8629231fb ] Since commit c5b6ababd21a ("locking/mutex: implement mutex_trylock_nested") makes mutex_trylock() as an inlined function if CONFIG_DEBUG_LOCK_ALLOC=y, we can not use mutex_trylock() for testing the glob filter of ftrace. Use mutex_unlock instead. Link: https://lore.kernel.org/r/175151680309.2149615.9795104805153538717.stgit@mhiramat.tok.corp.google.com Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20tools/build: Fix s390(x) cross-compilation with clangThomas Weißschuh1-1/+3
[ Upstream commit a40f0cdce78be8a559ee8a85c908049c65a410b2 ] The heuristic to derive a clang target triple from a GCC one does not work for s390. GCC uses "s390-linux" while clang expects "s390x-linux" or "powerz-linux". Add an explicit override. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Link: https://lore.kernel.org/r/20250620-tools-cross-s390-v2-1-ecda886e00e5@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20tools/nolibc: define time_t in terms of __kernel_old_time_tThomas Weißschuh1-1/+3
[ Upstream commit d5094bcb5bfdfea2cf0de8aaf77cc65db56cbdb5 ] Nolibc assumes that the kernel ABI is using a time values that are as large as a long integer. For most ABIs this holds true. But for x32 this is not correct, as it uses 32bit longs but 64bit times. Also the 'struct stat' implementation of nolibc relies on timespec::tv_sec and time_t being the same type. While timespec::tv_sec comes from the kernel and is of type __kernel_old_time_t, time_t is defined within nolibc. Switch to the __kernel_old_time_t to always get the correct type. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/r/20250712-nolibc-x32-v1-1-6d81cb798710@weissschuh.net Acked-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20selftests/futex: Define SYS_futex on 32-bit architectures with 64-bit time_tCynthia Huang1-0/+11
[ Upstream commit 04850819c65c8242072818655d4341e70ae998b5 ] The kernel does not provide sys_futex() on 32-bit architectures that do not support 32-bit time representations, such as riscv32. As a result, glibc cannot define SYS_futex, causing compilation failures in tests that rely on this syscall. Define SYS_futex as SYS_futex_time64 in such cases to ensure successful compilation and compatibility. Signed-off-by: Cynthia Huang <cynthia@andestech.com> Signed-off-by: Ben Zong-You Xie <ben717@andestech.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Link: https://lore.kernel.org/all/20250710103630.3156130-1-ben717@andestech.com Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20selftests/kexec: fix test_kexec_jump buildMoon Hee Lee1-1/+1
[ Upstream commit 661e9cd196598c7d2502260ebbe60970546cca35 ] The test_kexec_jump program builds correctly when invoked from the top-level selftests/Makefile, which explicitly sets the OUTPUT variable. However, building directly in tools/testing/selftests/kexec fails with: make: *** No rule to make target '/test_kexec_jump', needed by 'test_kexec_jump.sh'. Stop. This failure occurs because the Makefile rule relies on $(OUTPUT), which is undefined in direct builds. Fix this by listing test_kexec_jump in TEST_GEN_PROGS, the standard way to declare generated test binaries in the kselftest framework. This ensures the binary is built regardless of invocation context and properly removed by make clean. Link: https://lore.kernel.org/r/20250702171704.22559-2-moonhee.lee.ca@gmail.com Acked-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Moon Hee Lee <moonhee.lee.ca@gmail.com> Acked-by: Baoquan He <bhe@redhat.com> Acked-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-15selftests/perf_events: Add a mmap() correctness testLorenzo Stoakes3-1/+238
commit 084d2ac4030c5919e85bba1f4af26e33491469cb upstream. Exercise various mmap(), munmap() and mremap() invocations, which might cause a perf buffer mapping to be split or truncated. To avoid hard coding the perf event and having dependencies on architectures and configuration options, scan through event types in sysfs and try to open them. On success, try to mmap() and if that succeeds try to mmap() the AUX buffer. In case that no AUX buffer supporting event is found, only test the base buffer mapping. If no mappable event is found or permissions are not sufficient, skip the tests. Reserve a PROT_NONE region for both rb and aux tests to allow testing the case where mremap unmaps beyond the end of a mapped VMA to prevent it from unmapping unrelated mappings. Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Co-developed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-08-15tools/power turbostat: Fix DMR supportZhang Rui1-14/+15
[ Upstream commit 3a088b07c4f10bf577f4a2392111704195a794ba ] Together with the RAPL MSRs, there are more MSRs gone on DMR, including PLR (Perf Limit Reasons), and IRTL (Package cstate Interrupt Response Time Limit) MSRs. The configurable TDP info should also be retrieved from TPMI based Intel Speed Select Technology feature. Remove the access of these MSRs for DMR. Improve the DMR platform feature table to make it more readable at the same time. Fixes: 83075bd59de2 ("tools/power turbostat: Add initial support for DMR") Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-15tools/power turbostat: Fix bogus SysWatt for forked programZhang Rui1-0/+1
[ Upstream commit 44207567fa64e995d4f2ec2d45af4c947cb1a465 ] Similar to delta_cpu(), delta_platform() is called in turbostat main loop. This ensures accurate SysWatt readings in periodic monitoring mode $ sudo turbostat -S -q --show power -i 1 CoreTmp PkgTmp PkgWatt CorWatt GFXWatt RAMWatt PKG_% RAM_% SysWatt 60 61 6.21 1.13 0.16 0.00 0.00 0.00 13.07 58 61 6.00 1.07 0.18 0.00 0.00 0.00 12.75 58 61 5.74 1.05 0.17 0.00 0.00 0.00 12.22 58 60 6.27 1.11 0.24 0.00 0.00 0.00 13.55 However, delta_platform() is missing for forked program and causes bogus SysWatt reporting, $ sudo turbostat -S -q --show power sleep 1 1.004736 sec CoreTmp PkgTmp PkgWatt CorWatt GFXWatt RAMWatt PKG_% RAM_% SysWatt 57 58 6.05 1.02 0.16 0.00 0.00 0.00 0.03 Add missing delta_platform() for forked program. Fixes: e5f687b89bc2 ("tools/power turbostat: Add RAPL psys as a built-in counter") Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-15selftests: avoid using ifconfigEric Dumazet1-8/+8
[ Upstream commit 7cbd49795d4ca86fba5830084e94fece3b343b79 ] ifconfig is deprecated and not always present, use ip command instead. Fixes: e0f3b3e5c77a ("selftests: Add test cases for vlan_filter modification during runtime") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Dong Chenchen <dongchenchen2@huawei.com> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://patch.msgid.link/20250730115313.3356036-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
generated by cgit v1.2.3 (git 2.39.0) at 2025-09-27 17:48:29 +0300