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2025-02-04selftests: drv-net: rss_ctx: add missing cleanup in queue reconfigureJakub Kicinski1-0/+2
Commit under Fixes adds ntuple rules but never deletes them. Fixes: 29a4bc1fe961 ("selftest: extend test_rss_context_queue_reconfigure for action addition") Reviewed-by: Joe Damato <jdamato@fastly.com> Link: https://patch.msgid.link/20250201013040.725123-4-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-04scsi: cxlflash: Remove driverAndrew Donnellan1-7/+6
Remove the cxlflash driver for IBM CAPI Flash devices. The cxlflash driver has received minimal maintenance for some time, and the CAPI Flash hardware that uses it is no longer commercially available. Thanks to Uma Krishnan, Matthew Ochs and Manoj Kumar for their work on this driver over the years. Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com> Link: https://lore.kernel.org/r/20250203072801.365551-2-ajd@linux.ibm.com Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-02-03selftests/nolibc: always keep test kernel configuration up to dateThomas Weißschuh1-4/+3
Avoid using a stale test kernel configuration by always synchronizing it to the current source tree. kbuild is smart enough to avoid spurious rebuilds. Shuffle the code around a bit to keep all the commands with side-effects together. Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250123-nolibc-config-v2-5-5701c35995d6@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-02-03selftests/nolibc: execute defconfig before other targetsThomas Weißschuh1-3/+3
Some targets use the test kernel configuration. Executing defconfig in the same make invocation as those targets results in errors as the configuration may be in an inconsistent state during reconfiguration. Avoid this by introducing ordering dependencies between the defconfig and some other targets. Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250123-nolibc-config-v2-4-5701c35995d6@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-02-03selftests/nolibc: drop call to mrproper targetThomas Weißschuh1-1/+1
"mrproper" unnecessarily cleans a lot of files. kbuild is smart enough to handle changed configurations, so the cleanup is not necessary and only leads to excessive rebuilds. Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250123-nolibc-config-v2-3-5701c35995d6@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-02-03selftests/nolibc: drop call to prepare targetThomas Weißschuh1-1/+1
The "prepare" target does not need to be run manually. kbuild knows when to use it on its own and the target is not even documented. Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250123-nolibc-config-v2-2-5701c35995d6@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-02-03selftests/nolibc: drop mips32be EXTRACONFIGThomas Weißschuh1-2/+1
kbuild already contains logic to merge predefines snippets into a defconfig file. For MIPS a snippet for big-endian is already provided. Link: https://lore.kernel.org/r/20250123-nolibc-config-v2-1-5701c35995d6@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-02-03selftests/nolibc: enable -Wmissing-prototypesThomas Weißschuh1-1/+1
User code may want to use this compiler flag. Make sure it is supported by nolibc. Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250123-nolibc-prototype-v1-3-e1afc5c1999a@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-02-03selftests/nolibc: ignore -Wmissing-prototypesThomas Weißschuh1-0/+2
To make sure nolibc itself is compatible with -Wmissing-prototypes the compiler flag should be enabled when building nolibc-test. However some of its functions are non-static to ease debugging [0], triggering the compiler warning. Disable the warning inside nolibc-test while still enabling it for nolibc itself. [0] https://lore.kernel.org/lkml/ZMjM0UPRAqoC+goY@1wt.eu/ Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250123-nolibc-prototype-v1-2-e1afc5c1999a@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-02-03selftests/bpf: test_xdp_veth: Add new test cases for XDP flagsBastien Curutchet (eBPF Foundation)1-7/+20
The XDP redirection is tested without any flag provided to the xdp_attach() function. Add two subtests that check the correct behaviour with XDP_FLAGS_{DRV/SKB}_MODE flags Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250131-redirect-multi-v4-10-970b33678512@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: test_xdp_veth: Use unique namesBastien Curutchet (eBPF Foundation)1-18/+33
The network namespaces and the veth used by the tests have hardcoded names that can conflict with other tests during parallel runs. Use the append_tid() helper to ensure the uniqueness of these names. Use the static network configuration table as a template on which thread IDs are appended in each test. Set a fixed size to remote_addr field so the struct veth_configuration can also have a fixed size. Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20250131-redirect-multi-v4-9-970b33678512@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: test_xdp_veth: Add XDP flags to prog_configurationBastien Curutchet (eBPF Foundation)1-2/+12
XDP flags are hardcoded to 0 at attachment. Add flags attributes to the struct prog_configuration to allow flag modifications for each test case. Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250131-redirect-multi-v4-8-970b33678512@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: test_xdp_veth: Add prog_config[] tableBastien Curutchet (eBPF Foundation)1-53/+80
The BPF program attached to each veth is hardcoded through the use of the struct skeletons. It prevents from re-using the initialization code in new test cases. Replace the struct skeletons by a bpf_object table. Add a struct prog_configuration that holds the name of BPF program to load on a given veth pair. Use bpf_object__find_program_by_name() / bpf_xdp_attach() API instead of bpf_program__attach_xdp() to retrieve the BPF programs from their names. Detach BPF progs in the cleanup() as it's not automatically done by this API. Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250131-redirect-multi-v4-7-970b33678512@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: test_xdp_veth: Rename config[]Bastien Curutchet (eBPF Foundation)1-16/+16
The network topology is held by the config[] table. This 'config' name is a bit too generic if we want to add other configuration variables. Rename config[] to net_config[]. Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250131-redirect-multi-v4-6-970b33678512@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: test_xdp_veth: Split network configurationBastien Curutchet (eBPF Foundation)1-34/+47
configure_network() does two things : it first creates the network topology and then configures the BPF maps to fit the test needs. This isn't convenient if we want to re-use the same network topology for different test cases. Rename configure_network() create_network(). Move the BPF configuration to the test itself. Split the test description in two parts, first the description of the network topology, then the description of the test case. Remove the veth indexes from the ASCII art as dynamic ones are used Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250131-redirect-multi-v4-5-970b33678512@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: test_xdp_veth: Use int to describe next vethBastien Curutchet (eBPF Foundation)1-5/+7
In the struct veth_configuration, the next_veth string is used to tell the next virtual interface to which packets must be redirected to. So it has to match the local_veth string of an other veth_configuration. Change next_veth type to int to avoid handling two identical strings. This integer is used as an offset in the network configuration table. Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20250131-redirect-multi-v4-4-970b33678512@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: test_xdp_veth: Remove unecessarry check_ping()Bastien Curutchet (eBPF Foundation)1-10/+5
check_ping() directly returns a SYS_NOFAIL without any previous treatment. It's called only once in the file and hardcodes the used namespace and ip address. Replace check_ping() with a direct call of SYS_NOFAIL in the test. Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20250131-redirect-multi-v4-3-970b33678512@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: test_xdp_veth: Remove unused definesBastien Curutchet (eBPF Foundation)1-2/+0
IP_CMD_MAX_LEN and NS_SUFFIX_LEN aren't used anywhere. Remove these unused defines Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20250131-redirect-multi-v4-2-970b33678512@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: helpers: Add append_tid()Bastien Curutchet (eBPF Foundation)2-0/+29
Some tests can't be run in parallel because they use same namespace names or veth names. Create an helper that appends the thread ID to a given string. 8 characters are used for it (7 digits + '\0') Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20250131-redirect-multi-v4-1-970b33678512@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: Fix runqslower cross-endian buildTony Ambardar1-0/+1
The runqslower binary from a cross-endian build currently fails to run because the included skeleton has host endianness. Fix this by passing the target BPF endianness to the runqslower sub-make. Fixes: 5a63c33d6f00 ("selftests/bpf: Support cross-endian building") Signed-off-by: Tony Ambardar <tony.ambardar@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20250125071423.2603588-1-itugrok@yahoo.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03selftests/bpf: Fix freplace_link segfault in tailcalls prog testTengda Wu1-0/+1
There are two bpf_link__destroy(freplace_link) calls in test_tailcall_bpf2bpf_freplace(). After the first bpf_link__destroy() is called, if the following bpf_map_{update,delete}_elem() throws an exception, it will jump to the "out" label and call bpf_link__destroy() again, causing double free and eventually leading to a segfault. Fix it by directly resetting freplace_link to NULL after the first bpf_link__destroy() call. Fixes: 021611d33e78 ("selftests/bpf: Add test to verify tailcall and freplace restrictions") Signed-off-by: Tengda Wu <wutengda@huaweicloud.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Leon Hwang <leon.hwang@linux.dev> Link: https://lore.kernel.org/bpf/20250122022838.1079157-1-wutengda@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-02-03udp: gso: do not drop small packets when PMTU reducesYan Zhai1-0/+26
Commit 4094871db1d6 ("udp: only do GSO if # of segs > 1") avoided GSO for small packets. But the kernel currently dismisses GSO requests only after checking MTU/PMTU on gso_size. This means any packets, regardless of their payload sizes, could be dropped when PMTU becomes smaller than requested gso_size. We encountered this issue in production and it caused a reliability problem that new QUIC connection cannot be established before PMTU cache expired, while non GSO sockets still worked fine at the same time. Ideally, do not check any GSO related constraints when payload size is smaller than requested gso_size, and return EMSGSIZE instead of EINVAL on MTU/PMTU check failure to be more specific on the error cause. Fixes: 4094871db1d6 ("udp: only do GSO if # of segs > 1") Signed-off-by: Yan Zhai <yan@cloudflare.com> Suggested-by: Willem de Bruijn <willemdebruijn.kernel@gmail.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2025-02-01Merge tag 'AT_EXECVE_CHECK-v6.14-rc1-fix1' of ↵Linus Torvalds2-4/+17
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull AT_EXECVE_CHECK selftest fix from Kees Cook: "Fixes the AT_EXECVE_CHECK selftests which didn't run on old versions of glibc" * tag 'AT_EXECVE_CHECK-v6.14-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests: Handle old glibc without execveat(2)
2025-02-01Merge tag 'riscv-for-linus-6.14-mw1' of ↵Linus Torvalds9-205/+404
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: - The PH1520 pinctrl and dwmac drivers are enabeled in defconfig - A redundant AQRL barrier has been removed from the futex cmpxchg implementation - Support for the T-Head vector extensions, which includes exposing these extensions to userspace on systems that implement them - Some more page table information is now printed on die() and systems that cause PA overflows * tag 'riscv-for-linus-6.14-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: add a warning when physical memory address overflows riscv/mm/fault: add show_pte() before die() riscv: Add ghostwrite vulnerability selftests: riscv: Support xtheadvector in vector tests selftests: riscv: Fix vector tests riscv: hwprobe: Document thead vendor extensions and xtheadvector extension riscv: hwprobe: Add thead vendor extension probing riscv: vector: Support xtheadvector save/restore riscv: Add xtheadvector instruction definitions riscv: csr: Add CSR encodings for CSR_VXRM/CSR_VXSAT RISC-V: define the elements of the VCSR vector CSR riscv: vector: Use vlenb from DT for thead riscv: Add thead and xtheadvector as a vendor extension riscv: dts: allwinner: Add xtheadvector to the D1/D1s devicetree dt-bindings: cpus: add a thead vlen register length property dt-bindings: riscv: Add xtheadvector ISA extension description RISC-V: Mark riscv_v_init() as __init riscv: defconfig: drop RT_GROUP_SCHED=y riscv/futex: Optimize atomic cmpxchg riscv: defconfig: enable pinctrl and dwmac support for TH1520
2025-01-31Merge tag 'x86-mm-2025-01-31' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 mm updates from Ingo Molnar: - The biggest changes are the TLB flushing scalability optimizations, to update the mm_cpumask lazily and related changes. This feature has both a track record and a continued risk of performance regressions, so it was already delayed by a cycle - but it's all 100% perfect now™ (Rik van Riel) - Also miscellaneous fixes and cleanups. (Gautam Somani, Kirill Shutemov, Sebastian Andrzej Siewior) * tag 'x86-mm-2025-01-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Remove unnecessary include of <linux/extable.h> x86/mtrr: Rename mtrr_overwrite_state() to guest_force_mtrr_state() x86/mm/selftests: Fix typo in lam.c x86/mm/tlb: Only trim the mm_cpumask once a second x86/mm/tlb: Also remove local CPU from mm_cpumask if stale x86/mm/tlb: Add tracepoint for TLB flush IPI to stale CPU x86/mm/tlb: Update mm_cpumask lazily
2025-01-31KVM: s390: selftests: Streamline uc_skey test to issue iske after sskeChristoph Schlameuss1-18/+6
In some rare situations a non default storage key is already set on the memory used by the test. Within normal VMs the key is reset / zapped when the memory is added to the VM. This is not the case for ucontrol VMs. With the initial iske check removed this test case can work in all situations. The function of the iske instruction is still validated by the remaining code. Fixes: 0185fbc6a2d3 ("KVM: s390: selftests: Add uc_skey VM test case") Signed-off-by: Christoph Schlameuss <schlameuss@linux.ibm.com> Link: https://lore.kernel.org/r/20250128131803.1047388-1-schlameuss@linux.ibm.com Message-ID: <20250128131803.1047388-1-schlameuss@linux.ibm.com> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
2025-01-31KVM: s390: selftests: fix ucontrol memory region testClaudio Imbrenda1-2/+6
With the latest patch, attempting to create a memslot from userspace will result in an EEXIST error for UCONTROL VMs, instead of EINVAL, since the new memslot will collide with the internal memslot. There is no simple way to bring back the previous behaviour. This is not a problem, but the test needs to be fixed accordingly. Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com> Link: https://lore.kernel.org/r/20250123144627.312456-5-imbrenda@linux.ibm.com Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Message-ID: <20250123144627.312456-5-imbrenda@linux.ibm.com>
2025-01-30Merge tag 'net-6.14-rc1' of ↵Linus Torvalds9-83/+169
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from IPSec, netfilter and Bluetooth. Nothing really stands out, but as usual there's a slight concentration of fixes for issues added in the last two weeks before the merge window, and driver bugs from 6.13 which tend to get discovered upon wider distribution. Current release - regressions: - net: revert RTNL changes in unregister_netdevice_many_notify() - Bluetooth: fix possible infinite recursion of btusb_reset - eth: adjust locking in some old drivers which protect their state with spinlocks to avoid sleeping in atomic; core protects netdev state with a mutex now Previous releases - regressions: - eth: - mlx5e: make sure we pass node ID, not CPU ID to kvzalloc_node() - bgmac: reduce max frame size to support just 1500 bytes; the jumbo frame support would previously cause OOB writes, but now fails outright - mptcp: blackhole only if 1st SYN retrans w/o MPC is accepted, avoid false detection of MPTCP blackholing Previous releases - always broken: - mptcp: handle fastopen disconnect correctly - xfrm: - make sure skb->sk is a full sock before accessing its fields - fix taking a lock with preempt disabled for RT kernels - usb: ipheth: improve safety of packet metadata parsing; prevent potential OOB accesses - eth: renesas: fix missing rtnl lock in suspend/resume path" * tag 'net-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits) MAINTAINERS: add Neal to TCP maintainers net: revert RTNL changes in unregister_netdevice_many_notify() net: hsr: fix fill_frame_info() regression vs VLAN packets doc: mptcp: sysctl: blackhole_timeout is per-netns mptcp: blackhole only if 1st SYN retrans w/o MPC is accepted netfilter: nf_tables: reject mismatching sum of field_len with set key length net: sh_eth: Fix missing rtnl lock in suspend/resume path net: ravb: Fix missing rtnl lock in suspend/resume path selftests/net: Add test for loading devbound XDP program in generic mode net: xdp: Disallow attaching device-bound programs in generic mode tcp: correct handling of extreme memory squeeze bgmac: reduce max frame size to support just MTU 1500 vsock/test: Add test for connect() retries vsock/test: Add test for UAF due to socket unbinding vsock/test: Introduce vsock_connect_fd() vsock/test: Introduce vsock_bind() vsock: Allow retrying on connect() failure vsock: Keep the binding until socket destruction Bluetooth: L2CAP: accept zero as a special value for MTU auto-selection Bluetooth: btnxpuart: Fix glitches seen in dual A2DP streaming ...
2025-01-30Merge tag 'gpio-fixes-for-v6.14-rc1' of ↵Linus Torvalds1-6/+25
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - update gpio-sim selftests to not fail now that we no longer allow rmdir() on configfs entries of active devices - remove leftover code from gpio-mxc * tag 'gpio-fixes-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: selftests: gpio: gpio-sim: Fix missing chip disablements gpio: mxc: remove dead code after switch to DT-only
2025-01-30Merge tag 'pull-revalidate' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs d_revalidate updates from Al Viro: "Provide stable parent and name to ->d_revalidate() instances Most of the filesystem methods where we care about dentry name and parent have their stability guaranteed by the callers; ->d_revalidate() is the major exception. It's easy enough for callers to supply stable values for expected name and expected parent of the dentry being validated. That kills quite a bit of boilerplate in ->d_revalidate() instances, along with a bunch of races where they used to access ->d_name without sufficient precautions" * tag 'pull-revalidate' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: 9p: fix ->rename_sem exclusion orangefs_d_revalidate(): use stable parent inode and name passed by caller ocfs2_dentry_revalidate(): use stable parent inode and name passed by caller nfs: fix ->d_revalidate() UAF on ->d_name accesses nfs{,4}_lookup_validate(): use stable parent inode passed by caller gfs2_drevalidate(): use stable parent inode and name passed by caller fuse_dentry_revalidate(): use stable parent inode and name passed by caller vfat_revalidate{,_ci}(): use stable parent inode passed by caller exfat_d_revalidate(): use stable parent inode passed by caller fscrypt_d_revalidate(): use stable parent inode passed by caller ceph_d_revalidate(): propagate stable name down into request encoding ceph_d_revalidate(): use stable parent inode passed by caller afs_d_revalidate(): use stable name and parent inode passed by caller Pass parent directory inode and expected name to ->d_revalidate() generic_ci_d_compare(): use shortname_storage ext4 fast_commit: make use of name_snapshot primitives dissolve external_name.u into separate members make take_dentry_name_snapshot() lockless dcache: back inline names with a struct-wrapped array of unsigned long make sure that DNAME_INLINE_LEN is a multiple of word size
2025-01-30selftests/net: Add test for loading devbound XDP program in generic modeToke Høiland-Jørgensen1-1/+13
Add a test to bpf_offload.py for loading a devbound XDP program in generic mode, checking that it fails correctly. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250127131344.238147-2-toke@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-30vsock/test: Add test for connect() retriesMichal Luczaj1-0/+47
Deliberately fail a connect() attempt; expect error. Then verify that subsequent attempt (using the same socket) can still succeed, rather than fail outright. Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Luigi Leonardi <leonardi@redhat.com> Signed-off-by: Michal Luczaj <mhal@rbox.co> Link: https://patch.msgid.link/20250128-vsock-transport-vs-autobind-v3-6-1cf57065b770@rbox.co Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-30vsock/test: Add test for UAF due to socket unbindingMichal Luczaj1-0/+58
Fail the autobind, then trigger a transport reassign. Socket might get unbound from unbound_sockets, which then leads to a reference count underflow. Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Michal Luczaj <mhal@rbox.co> Link: https://patch.msgid.link/20250128-vsock-transport-vs-autobind-v3-5-1cf57065b770@rbox.co Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-30vsock/test: Introduce vsock_connect_fd()Michal Luczaj2-28/+18
Distill timeout-guarded vsock_connect_fd(). Adapt callers. Suggested-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Michal Luczaj <mhal@rbox.co> Link: https://patch.msgid.link/20250128-vsock-transport-vs-autobind-v3-4-1cf57065b770@rbox.co Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-30vsock/test: Introduce vsock_bind()Michal Luczaj3-49/+26
Add a helper for socket()+bind(). Adapt callers. Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Luigi Leonardi <leonardi@redhat.com> Signed-off-by: Michal Luczaj <mhal@rbox.co> Link: https://patch.msgid.link/20250128-vsock-transport-vs-autobind-v3-3-1cf57065b770@rbox.co Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-30selftests/bpf: Add strparser test for bpfJiayuan Chen3-53/+507
Add test cases for bpf + strparser and separated them from sockmap_basic, as strparser has more encapsulation and parsing capabilities compared to standard sockmap. Signed-off-by: Jiayuan Chen <mrpre@163.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Acked-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://patch.msgid.link/20250122100917.49845-6-mrpre@163.com
2025-01-30selftests/bpf: Fix invalid flag of recv()Jiayuan Chen1-3/+3
SOCK_NONBLOCK flag is only effective during socket creation, not during recv. Use MSG_DONTWAIT instead. Signed-off-by: Jiayuan Chen <mrpre@163.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Acked-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://patch.msgid.link/20250122100917.49845-5-mrpre@163.com
2025-01-29Merge tag 'cxl-for-6.14' of ↵Linus Torvalds2-6/+23
git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl Pull Compute Express Link (CXL) updates from Dave Jiang: "A tweak to the HMAT output that was acked by Rafael, a prep patch for CXL type2 devices support that's coming soon, refactoring of the CXL regblock enumeration code, and a series of patches to update the event records to CXL spec r3.1: - Move HMAT printouts to pr_debug() - Add CXL type2 support to cxl_dvsec_rr_decode() in preparation for type2 support - A series that updates CXL event records to spec r3.1 and related changes - Refactoring of cxl_find_regblock_instance() to count regblocks" * tag 'cxl-for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: cxl/core/regs: Refactor out functions to count regblocks of given type cxl/test: Update test code for event records to CXL spec rev 3.1 cxl/events: Update Memory Module Event Record to CXL spec rev 3.1 cxl/events: Update DRAM Event Record to CXL spec rev 3.1 cxl/events: Update General Media Event Record to CXL spec rev 3.1 cxl/events: Add Component Identifier formatting for CXL spec rev 3.1 cxl/events: Update Common Event Record to CXL spec rev 3.1 cxl/pci: Add CXL Type 1/2 support to cxl_dvsec_rr_decode() ACPI/HMAT: Move HMAT messages to pr_debug()
2025-01-29selftests/bpf: Adjust data size to have ETH_HLENShigeru Yoshida2-6/+6
The function bpf_test_init() now returns an error if user_size (.data_size_in) is less than ETH_HLEN, causing the tests to fail. Adjust the data size to ensure it meets the requirement of ETH_HLEN. Signed-off-by: Shigeru Yoshida <syoshida@redhat.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20250121150643.671650-2-syoshida@redhat.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-01-28Merge tag 'driver-core-6.14-rc1' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core and debugfs updates from Greg KH: "Here is the big set of driver core and debugfs updates for 6.14-rc1. Included in here is a bunch of driver core, PCI, OF, and platform rust bindings (all acked by the different subsystem maintainers), hence the merge conflict with the rust tree, and some driver core api updates to mark things as const, which will also require some fixups due to new stuff coming in through other trees in this merge window. There are also a bunch of debugfs updates from Al, and there is at least one user that does have a regression with these, but Al is working on tracking down the fix for it. In my use (and everyone else's linux-next use), it does not seem like a big issue at the moment. Here's a short list of the things in here: - driver core rust bindings for PCI, platform, OF, and some i/o functions. We are almost at the "write a real driver in rust" stage now, depending on what you want to do. - misc device rust bindings and a sample driver to show how to use them - debugfs cleanups in the fs as well as the users of the fs api for places where drivers got it wrong or were unnecessarily doing things in complex ways. - driver core const work, making more of the api take const * for different parameters to make the rust bindings easier overall. - other small fixes and updates All of these have been in linux-next with all of the aforementioned merge conflicts, and the one debugfs issue, which looks to be resolved "soon"" * tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (95 commits) rust: device: Use as_char_ptr() to avoid explicit cast rust: device: Replace CString with CStr in property_present() devcoredump: Constify 'struct bin_attribute' devcoredump: Define 'struct bin_attribute' through macro rust: device: Add property_present() saner replacement for debugfs_rename() orangefs-debugfs: don't mess with ->d_name octeontx2: don't mess with ->d_parent or ->d_parent->d_name arm_scmi: don't mess with ->d_parent->d_name slub: don't mess with ->d_name sof-client-ipc-flood-test: don't mess with ->d_name qat: don't mess with ->d_name xhci: don't mess with ->d_iname mtu3: don't mess wiht ->d_iname greybus/camera - stop messing with ->d_iname mediatek: stop messing with ->d_iname netdevsim: don't embed file_operations into your structs b43legacy: make use of debugfs_get_aux() b43: stop embedding struct file_operations into their objects carl9170: stop embedding file_operations into their objects ...
2025-01-28Merge tag 'arm64-upstream' of ↵Linus Torvalds2-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull KVM/arm64 updates from Will Deacon: "New features: - Support for non-protected guest in protected mode, achieving near feature parity with the non-protected mode - Support for the EL2 timers as part of the ongoing NV support - Allow control of hardware tracing for nVHE/hVHE Improvements, fixes and cleanups: - Massive cleanup of the debug infrastructure, making it a bit less awkward and definitely easier to maintain. This should pave the way for further optimisations - Complete rewrite of pKVM's fixed-feature infrastructure, aligning it with the rest of KVM and making the code easier to follow - Large simplification of pKVM's memory protection infrastructure - Better handling of RES0/RES1 fields for memory-backed system registers - Add a workaround for Qualcomm's Snapdragon X CPUs, which suffer from a pretty nasty timer bug - Small collection of cleanups and low-impact fixes" * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (87 commits) arm64/sysreg: Get rid of TRFCR_ELx SysregFields KVM: arm64: nv: Fix doc header layout for timers KVM: arm64: nv: Apply RESx settings to sysreg reset values KVM: arm64: nv: Always evaluate HCR_EL2 using sanitising accessors KVM: arm64: Fix selftests after sysreg field name update coresight: Pass guest TRFCR value to KVM KVM: arm64: Support trace filtering for guests KVM: arm64: coresight: Give TRBE enabled state to KVM coresight: trbe: Remove redundant disable call arm64/sysreg/tools: Move TRFCR definitions to sysreg tools: arm64: Update sysreg.h header files KVM: arm64: Drop pkvm_mem_transition for host/hyp donations KVM: arm64: Drop pkvm_mem_transition for host/hyp sharing KVM: arm64: Drop pkvm_mem_transition for FF-A KVM: arm64: Explicitly handle BRBE traps as UNDEFINED KVM: arm64: vgic: Use str_enabled_disabled() in vgic_v3_probe() arm64: kvm: Introduce nvhe stack size constants KVM: arm64: Fix nVHE stacktrace VA bits mask KVM: arm64: Fix FEAT_MTE in pKVM Documentation: Update the behaviour of "kvm-arm.mode" ...
2025-01-28Merge tag 'char-misc-6.14-rc1' of ↵Linus Torvalds5-0/+1353
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull Char/Misc/IIO driver updates from Greg KH: "Here is the "big" set of char/misc/iio and other smaller driver subsystem updates for 6.14-rc1. Loads of different things in here this development cycle, highlights are: - ntsync "driver" to handle Windows locking types enabling Wine to work much better on many workloads (i.e. games). The driver framework was in 6.13, but now it's enabled and fully working properly. Should make many SteamOS users happy. Even comes with tests! - Large IIO driver updates and bugfixes - FPGA driver updates - Coresight driver updates - MHI driver updates - PPS driver updatesa - const bin_attribute reworking for many drivers - binder driver updates - smaller driver updates and fixes All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (311 commits) ntsync: Fix reference leaks in the remaining create ioctls. spmi: hisi-spmi-controller: Drop duplicated OF node assignment in spmi_controller_probe() spmi: Set fwnode for spmi devices ntsync: fix a file reference leak in drivers/misc/ntsync.c scripts/tags.sh: Don't tag usages of DECLARE_BITMAP dt-bindings: interconnect: qcom,msm8998-bwmon: Add SM8750 CPU BWMONs dt-bindings: interconnect: OSM L3: Document sm8650 OSM L3 compatible dt-bindings: interconnect: qcom-bwmon: Document QCS615 bwmon compatibles interconnect: sm8750: Add missing const to static qcom_icc_desc memstick: core: fix kernel-doc notation intel_th: core: fix kernel-doc warnings binder: log transaction code on failure iio: dac: ad3552r-hs: clear reset status flag iio: dac: ad3552r-common: fix ad3541/2r ranges iio: chemical: bme680: Fix uninitialized variable in __bme680_read_raw() misc: fastrpc: Fix copy buffer page size misc: fastrpc: Fix registered buffer page address misc: fastrpc: Deregister device nodes properly in error scenarios nvmem: core: improve range check for nvmem_cell_write() nvmem: qcom-spmi-sdam: Set size in struct nvmem_config ...
2025-01-28selftests: net/{lib,openvswitch}: extend CFLAGS to keep options from environmentJan Stancek2-2/+2
Package build environments like Fedora rpmbuild introduced hardening options (e.g. -pie -Wl,-z,now) by passing a -spec option to CFLAGS and LDFLAGS. Some Makefiles currently override CFLAGS but not LDFLAGS, which leads to a mismatch and build failure, for example: /usr/bin/ld: /tmp/ccd2apay.o: relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a PIE object; recompile with -fPIE /usr/bin/ld: failed to set dynamic section sizes: bad value collect2: error: ld returned 1 exit status make[1]: *** [../../lib.mk:222: tools/testing/selftests/net/lib/csum] Error 1 openvswitch/Makefile CFLAGS currently do not appear to be used, but fix it anyway for the case when new tests are introduced in future. Fixes: 1d0dc857b5d8 ("selftests: drv-net: add checksum tests") Signed-off-by: Jan Stancek <jstancek@redhat.com> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://patch.msgid.link/3d173603ee258f419d0403363765c9f9494ff79a.1737635092.git.jstancek@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-28selftests: mptcp: extend CFLAGS to keep options from environmentJan Stancek1-1/+1
Package build environments like Fedora rpmbuild introduced hardening options (e.g. -pie -Wl,-z,now) by passing a -spec option to CFLAGS and LDFLAGS. mptcp Makefile currently overrides CFLAGS but not LDFLAGS, which leads to a mismatch and build failure, for example: make[1]: *** [../../lib.mk:222: tools/testing/selftests/net/mptcp/mptcp_sockopt] Error 1 /usr/bin/ld: /tmp/ccqyMVdb.o: relocation R_X86_64_32 against `.rodata.str1.8' can not be used when making a PIE object; recompile with -fPIE /usr/bin/ld: failed to set dynamic section sizes: bad value collect2: error: ld returned 1 exit status Fixes: cc937dad85ae ("selftests: centralize -D_GNU_SOURCE= to CFLAGS in lib.mk") Signed-off-by: Jan Stancek <jstancek@redhat.com> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/7abc701da9df39c2d6cd15bc3cf9e6cee445cb96.1737621162.git.jstancek@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-28net: netdevsim: try to close UDP port harness racesJakub Kicinski1-8/+8
syzbot discovered that we remove the debugfs files after we free the netdev. Try to clean up the relevant dir while the device is still around. Reported-by: syzbot+2e5de9e3ab986b71d2bf@syzkaller.appspotmail.com Fixes: 424be63ad831 ("netdevsim: add UDP tunnel port offload support") Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Link: https://patch.msgid.link/20250122224503.762705-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-27selftests: Handle old glibc without execveat(2)Mickaël Salaün2-4/+17
Add an execveat(2) wrapper because glibc < 2.34 does not have one. This fixes the check-exec tests and samples. Cc: Günther Noack <gnoack@google.com> Cc: Jeff Xu <jeffxu@chromium.org> Cc: Kees Cook <kees@kernel.org> Cc: Mimi Zohar <zohar@linux.ibm.com> Cc: Paul Moore <paul@paul-moore.com> Cc: Roberto Sassu <roberto.sassu@huawei.com> Cc: Serge Hallyn <serge@hallyn.com> Cc: Stefan Berger <stefanb@linux.ibm.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Reported-by: Nathan Chancellor <nathan@kernel.org> Closes: https://lore.kernel.org/r/20250114205645.GA2825031@ax162 Signed-off-by: Mickaël Salaün <mic@digikod.net> Reviewed-by: Günther Noack <gnoack3000@gmail.com> Link: https://lore.kernel.org/r/20250115144753.311152-1-mic@digikod.net Signed-off-by: Kees Cook <kees@kernel.org>
2025-01-27sched_ext: selftests/dsp_local_on: Fix selftest on UP systemsAndrea Righi1-1/+1
In UP systems p->migration_disabled is not available. Fix this by using the portable helper is_migration_disabled(p). Fixes: e9fe182772dc ("sched_ext: selftests/dsp_local_on: Fix sporadic failures") Signed-off-by: Andrea Righi <arighi@nvidia.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2025-01-27selftests: livepatch: handle PRINTK_CALLER in check_result()Madhavan Srinivasan1-1/+2
Some arch configs (like ppc64) enable CONFIG_PRINTK_CALLER, which adds the caller id as part of the dmesg. With recent util-linux's update 467a5b3192f16 ('dmesg: add caller_id support') the standard "dmesg" has been enhanced to print PRINTK_CALLER fields. Due to this, even though the expected vs observed are same, end testcase results are failed. -% insmod test_modules/test_klp_livepatch.ko -livepatch: enabling patch 'test_klp_livepatch' -livepatch: 'test_klp_livepatch': initializing patching transition -livepatch: 'test_klp_livepatch': starting patching transition -livepatch: 'test_klp_livepatch': completing patching transition -livepatch: 'test_klp_livepatch': patching complete -% echo 0 > /sys/kernel/livepatch/test_klp_livepatch/enabled -livepatch: 'test_klp_livepatch': initializing unpatching transition -livepatch: 'test_klp_livepatch': starting unpatching transition -livepatch: 'test_klp_livepatch': completing unpatching transition -livepatch: 'test_klp_livepatch': unpatching complete -% rmmod test_klp_livepatch +[ T3659] % insmod test_modules/test_klp_livepatch.ko +[ T3682] livepatch: enabling patch 'test_klp_livepatch' +[ T3682] livepatch: 'test_klp_livepatch': initializing patching transition +[ T3682] livepatch: 'test_klp_livepatch': starting patching transition +[ T826] livepatch: 'test_klp_livepatch': completing patching transition +[ T826] livepatch: 'test_klp_livepatch': patching complete +[ T3659] % echo 0 > /sys/kernel/livepatch/test_klp_livepatch/enabled +[ T3659] livepatch: 'test_klp_livepatch': initializing unpatching transition +[ T3659] livepatch: 'test_klp_livepatch': starting unpatching transition +[ T789] livepatch: 'test_klp_livepatch': completing unpatching transition +[ T789] livepatch: 'test_klp_livepatch': unpatching complete +[ T3659] % rmmod test_klp_livepatch ERROR: livepatch kselftest(s) failed not ok 1 selftests: livepatch: test-livepatch.sh # exit=1 Currently the check_result() handles the "[time]" removal from the dmesg. Enhance the check to also handle removal of "[Thread Id]" or "[CPU Id]". Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Acked-by: Miroslav Benes <mbenes@suse.cz> Reviewed-by: Petr Mladek <pmladek@suse.com> Tested-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20250119163238.749847-1-maddy@linux.ibm.com Signed-off-by: Petr Mladek <pmladek@suse.com>
2025-01-27Merge tag 'mm-stable-2025-01-26-14-59' of ↵Linus Torvalds49-868/+1226
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: "The various patchsets are summarized below. Plus of course many indivudual patches which are described in their changelogs. - "Allocate and free frozen pages" from Matthew Wilcox reorganizes the page allocator so we end up with the ability to allocate and free zero-refcount pages. So that callers (ie, slab) can avoid a refcount inc & dec - "Support large folios for tmpfs" from Baolin Wang teaches tmpfs to use large folios other than PMD-sized ones - "Fix mm/rodata_test" from Petr Tesarik performs some maintenance and fixes for this small built-in kernel selftest - "mas_anode_descend() related cleanup" from Wei Yang tidies up part of the mapletree code - "mm: fix format issues and param types" from Keren Sun implements a few minor code cleanups - "simplify split calculation" from Wei Yang provides a few fixes and a test for the mapletree code - "mm/vma: make more mmap logic userland testable" from Lorenzo Stoakes continues the work of moving vma-related code into the (relatively) new mm/vma.c - "mm/page_alloc: gfp flags cleanups for alloc_contig_*()" from David Hildenbrand cleans up and rationalizes handling of gfp flags in the page allocator - "readahead: Reintroduce fix for improper RA window sizing" from Jan Kara is a second attempt at fixing a readahead window sizing issue. It should reduce the amount of unnecessary reading - "synchronously scan and reclaim empty user PTE pages" from Qi Zheng addresses an issue where "huge" amounts of pte pagetables are accumulated: https://lore.kernel.org/lkml/cover.1718267194.git.zhengqi.arch@bytedance.com/ Qi's series addresses this windup by synchronously freeing PTE memory within the context of madvise(MADV_DONTNEED) - "selftest/mm: Remove warnings found by adding compiler flags" from Muhammad Usama Anjum fixes some build warnings in the selftests code when optional compiler warnings are enabled - "mm: don't use __GFP_HARDWALL when migrating remote pages" from David Hildenbrand tightens the allocator's observance of __GFP_HARDWALL - "pkeys kselftests improvements" from Kevin Brodsky implements various fixes and cleanups in the MM selftests code, mainly pertaining to the pkeys tests - "mm/damon: add sample modules" from SeongJae Park enhances DAMON to estimate application working set size - "memcg/hugetlb: Rework memcg hugetlb charging" from Joshua Hahn provides some cleanups to memcg's hugetlb charging logic - "mm/swap_cgroup: remove global swap cgroup lock" from Kairui Song removes the global swap cgroup lock. A speedup of 10% for a tmpfs-based kernel build was demonstrated - "zram: split page type read/write handling" from Sergey Senozhatsky has several fixes and cleaups for zram in the area of zram_write_page(). A watchdog softlockup warning was eliminated - "move pagetable_*_dtor() to __tlb_remove_table()" from Kevin Brodsky cleans up the pagetable destructor implementations. A rare use-after-free race is fixed - "mm/debug: introduce and use VM_WARN_ON_VMG()" from Lorenzo Stoakes simplifies and cleans up the debugging code in the VMA merging logic - "Account page tables at all levels" from Kevin Brodsky cleans up and regularizes the pagetable ctor/dtor handling. This results in improvements in accounting accuracy - "mm/damon: replace most damon_callback usages in sysfs with new core functions" from SeongJae Park cleans up and generalizes DAMON's sysfs file interface logic - "mm/damon: enable page level properties based monitoring" from SeongJae Park increases the amount of information which is presented in response to DAMOS actions - "mm/damon: remove DAMON debugfs interface" from SeongJae Park removes DAMON's long-deprecated debugfs interfaces. Thus the migration to sysfs is completed - "mm/hugetlb: Refactor hugetlb allocation resv accounting" from Peter Xu cleans up and generalizes the hugetlb reservation accounting - "mm: alloc_pages_bulk: small API refactor" from Luiz Capitulino removes a never-used feature of the alloc_pages_bulk() interface - "mm/damon: extend DAMOS filters for inclusion" from SeongJae Park extends DAMOS filters to support not only exclusion (rejecting), but also inclusion (allowing) behavior - "Add zpdesc memory descriptor for zswap.zpool" from Alex Shi introduces a new memory descriptor for zswap.zpool that currently overlaps with struct page for now. This is part of the effort to reduce the size of struct page and to enable dynamic allocation of memory descriptors - "mm, swap: rework of swap allocator locks" from Kairui Song redoes and simplifies the swap allocator locking. A speedup of 400% was demonstrated for one workload. As was a 35% reduction for kernel build time with swap-on-zram - "mm: update mips to use do_mmap(), make mmap_region() internal" from Lorenzo Stoakes reworks MIPS's use of mmap_region() so that mmap_region() can be made MM-internal - "mm/mglru: performance optimizations" from Yu Zhao fixes a few MGLRU regressions and otherwise improves MGLRU performance - "Docs/mm/damon: add tuning guide and misc updates" from SeongJae Park updates DAMON documentation - "Cleanup for memfd_create()" from Isaac Manjarres does that thing - "mm: hugetlb+THP folio and migration cleanups" from David Hildenbrand provides various cleanups in the areas of hugetlb folios, THP folios and migration - "Uncached buffered IO" from Jens Axboe implements the new RWF_DONTCACHE flag which provides synchronous dropbehind for pagecache reading and writing. To permite userspace to address issues with massive buildup of useless pagecache when reading/writing fast devices - "selftests/mm: virtual_address_range: Reduce memory" from Thomas Weißschuh fixes and optimizes some of the MM selftests" * tag 'mm-stable-2025-01-26-14-59' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (321 commits) mm/compaction: fix UBSAN shift-out-of-bounds warning s390/mm: add missing ctor/dtor on page table upgrade kasan: sw_tags: use str_on_off() helper in kasan_init_sw_tags() tools: add VM_WARN_ON_VMG definition mm/damon/core: use str_high_low() helper in damos_wmark_wait_us() seqlock: add missing parameter documentation for raw_seqcount_try_begin() mm/page-writeback: consolidate wb_thresh bumping logic into __wb_calc_thresh mm/page_alloc: remove the incorrect and misleading comment zram: remove zcomp_stream_put() from write_incompressible_page() mm: separate move/undo parts from migrate_pages_batch() mm/kfence: use str_write_read() helper in get_access_type() selftests/mm/mkdirty: fix memory leak in test_uffdio_copy() kasan: hw_tags: Use str_on_off() helper in kasan_init_hw_tags() selftests/mm: virtual_address_range: avoid reading from VM_IO mappings selftests/mm: vm_util: split up /proc/self/smaps parsing selftests/mm: virtual_address_range: unmap chunks after validation selftests/mm: virtual_address_range: mmap() without PROT_WRITE selftests/memfd/memfd_test: fix possible NULL pointer dereference mm: add FGP_DONTCACHE folio creation flag mm: call filemap_fdatawrite_range_kick() after IOCB_DONTCACHE issue ...
2025-01-27Merge tag 'mm-nonmm-stable-2025-01-24-23-16' of ↵Linus Torvalds2-1/+5
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull non-MM updates from Andrew Morton: "Mainly individually changelogged singleton patches. The patch series in this pull are: - "lib min_heap: Improve min_heap safety, testing, and documentation" from Kuan-Wei Chiu provides various tightenings to the min_heap library code - "xarray: extract __xa_cmpxchg_raw" from Tamir Duberstein preforms some cleanup and Rust preparation in the xarray library code - "Update reference to include/asm-<arch>" from Geert Uytterhoeven fixes pathnames in some code comments - "Converge on using secs_to_jiffies()" from Easwar Hariharan uses the new secs_to_jiffies() in various places where that is appropriate - "ocfs2, dlmfs: convert to the new mount API" from Eric Sandeen switches two filesystems to the new mount API - "Convert ocfs2 to use folios" from Matthew Wilcox does that - "Remove get_task_comm() and print task comm directly" from Yafang Shao removes now-unneeded calls to get_task_comm() in various places - "squashfs: reduce memory usage and update docs" from Phillip Lougher implements some memory savings in squashfs and performs some maintainability work - "lib: clarify comparison function requirements" from Kuan-Wei Chiu tightens the sort code's behaviour and adds some maintenance work - "nilfs2: protect busy buffer heads from being force-cleared" from Ryusuke Konishi fixes an issues in nlifs when the fs is presented with a corrupted image - "nilfs2: fix kernel-doc comments for function return values" from Ryusuke Konishi fixes some nilfs kerneldoc - "nilfs2: fix issues with rename operations" from Ryusuke Konishi addresses some nilfs BUG_ONs which syzbot was able to trigger - "minmax.h: Cleanups and minor optimisations" from David Laight does some maintenance work on the min/max library code - "Fixes and cleanups to xarray" from Kemeng Shi does maintenance work on the xarray library code" * tag 'mm-nonmm-stable-2025-01-24-23-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (131 commits) ocfs2: use str_yes_no() and str_no_yes() helper functions include/linux/lz4.h: add some missing macros Xarray: use xa_mark_t in xas_squash_marks() to keep code consistent Xarray: remove repeat check in xas_squash_marks() Xarray: distinguish large entries correctly in xas_split_alloc() Xarray: move forward index correctly in xas_pause() Xarray: do not return sibling entries from xas_find_marked() ipc/util.c: complete the kernel-doc function descriptions gcov: clang: use correct function param names latencytop: use correct kernel-doc format for func params minmax.h: remove some #defines that are only expanded once minmax.h: simplify the variants of clamp() minmax.h: move all the clamp() definitions after the min/max() ones minmax.h: use BUILD_BUG_ON_MSG() for the lo < hi test in clamp() minmax.h: reduce the #define expansion of min(), max() and clamp() minmax.h: update some comments minmax.h: add whitespace around operators and after commas nilfs2: do not update mtime of renamed directory that is not moved nilfs2: handle errors that nilfs_prepare_chunk() may return CREDITS: fix spelling mistake ...
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