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unknown user pushed a change to branch fs-current in repository linux-next.

omits 80fefc4da738 Merge branch 'ovl-fixes' of git://git.kernel.org/pub/scm/l [...] omits a9cbd1528c6b Merge branch 'next-fixes' of git://git.kernel.org/pub/scm/ [...] omits 51bed0e4c878 Merge branch 'vfs.fixes' of git://git.kernel.org/pub/scm/l [...] omits 076ca6e90d5a Merge branch 'misc-6.15' into next-fixes new d4e89d212d40 x86/bpf: Call branch history clearing sequence on exit new 9f725eec8fc0 x86/bpf: Add IBHF call at end of classic BPF new 073fdbe02c69 x86/bhi: Do not set BHI_DIS_S in 32-bit mode new caf12fa9c066 Merge tag 'ibti-hisory-for-linus-2025-05-06' of git://git. [...] new 1ac116ce6468 Documentation: x86/bugs/its: Add ITS documentation new 159013a7ca18 x86/its: Enumerate Indirect Target Selection (ITS) bug new 8754e67ad4ac x86/its: Add support for ITS-safe indirect thunk new a75bf27fe41a x86/its: Add support for ITS-safe return thunk new f4818881c47f x86/its: Enable Indirect Target Selection mitigation new 2665281a07e1 x86/its: Add "vmexit" option to skip mitigation on some CPUs new facd226f7e0c x86/its: Add support for RSB stuffing mitigation new f0cd7091cc5a x86/its: Align RETs in BHB clear sequence to avoid thunking new d6d1e3e6580c mm/execmem: Unify early execmem_cache behaviour new ebebe30794d3 x86/ibt: Keep IBT disabled during alternative patching new 872df34d7c51 x86/its: Use dynamic thunks for indirect branches new e52c1dc7455d x86/its: FineIBT-paranoid vs ITS new 7a9b709e7cc5 selftest/x86/bugs: Add selftests for ITS new 6f5bf947bab0 Merge tag 'its-for-linus-20250509' of git://git.kernel.org [...] new 63de8abd97dd arm64: insn: Add support for encoding DSB new e7956c92f396 arm64: proton-pack: Expose whether the platform is mitigat [...] new a1152be30a04 arm64: proton-pack: Expose whether the branchy loop k value new 0dfefc2ea2f2 arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs new f300769ead03 arm64: bpf: Only mitigate cBPF programs loaded by unprivil [...] new efe676a1a755 arm64: proton-pack: Add new CPUs 'k' values for branch mitigation new 627277ba7c23 Merge tag 'arm64_cbpf_mitigation_2025_05_08' of git://git. [...] new ad96e04c7b6e Merge branch 'vfs.fixes' of git://git.kernel.org/pub/scm/l [...] new 54db6d1bdd71 btrfs: fix discard worker infinite loop after disabling discard new a0fd1c609863 btrfs: fix folio leak in submit_one_async_extent() new 4ce2affc6ef9 btrfs: add back warning for mount option commit values exc [...] new fc4ed91fb0ec Merge branch 'misc-6.15' into next-fixes new 1f146124a5be Merge branch 'next-fixes' of git://git.kernel.org/pub/scm/ [...] new e4fd25c959ce Merge branch 'ovl-fixes' of git://git.kernel.org/pub/scm/l [...]

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Summary of changes: Documentation/ABI/testing/sysfs-devices-system-cpu | 1 + Documentation/admin-guide/hw-vuln/index.rst | 1 + .../hw-vuln/indirect-target-selection.rst | 168 +++++++++++ Documentation/admin-guide/kernel-parameters.txt | 18 ++ arch/arm64/include/asm/cputype.h | 2 + arch/arm64/include/asm/insn.h | 1 + arch/arm64/include/asm/spectre.h | 3 + arch/arm64/kernel/proton-pack.c | 13 +- arch/arm64/lib/insn.c | 60 ++-- arch/arm64/net/bpf_jit_comp.c | 57 +++- arch/x86/Kconfig | 12 + arch/x86/entry/entry_64.S | 20 +- arch/x86/include/asm/alternative.h | 32 ++ arch/x86/include/asm/cpufeatures.h | 3 + arch/x86/include/asm/msr-index.h | 8 + arch/x86/include/asm/nospec-branch.h | 10 + arch/x86/kernel/alternative.c | 336 +++++++++++++++++++-- arch/x86/kernel/cpu/bugs.c | 176 ++++++++++- arch/x86/kernel/cpu/common.c | 72 ++++- arch/x86/kernel/ftrace.c | 2 +- arch/x86/kernel/module.c | 6 + arch/x86/kernel/static_call.c | 4 +- arch/x86/kernel/vmlinux.lds.S | 10 + arch/x86/kvm/x86.c | 4 +- arch/x86/lib/retpoline.S | 48 +++ arch/x86/mm/init_32.c | 3 + arch/x86/mm/init_64.c | 3 + arch/x86/net/bpf_jit_comp.c | 58 +++- drivers/base/cpu.c | 3 + fs/btrfs/discard.c | 17 +- fs/btrfs/fs.h | 1 + fs/btrfs/inode.c | 7 + fs/btrfs/super.c | 4 + include/linux/cpu.h | 2 + include/linux/execmem.h | 11 +- include/linux/module.h | 5 + mm/execmem.c | 40 ++- tools/objtool/arch/x86/decode.c | 9 + tools/testing/selftests/Makefile | 1 + tools/testing/selftests/x86/bugs/Makefile | 3 + tools/testing/selftests/x86/bugs/common.py | 164 ++++++++++ .../selftests/x86/bugs/its_indirect_alignment.py | 150 +++++++++ .../testing/selftests/x86/bugs/its_permutations.py | 109 +++++++ .../selftests/x86/bugs/its_ret_alignment.py | 139 +++++++++ tools/testing/selftests/x86/bugs/its_sysfs.py | 65 ++++ 45 files changed, 1776 insertions(+), 85 deletions(-) create mode 100644 Documentation/admin-guide/hw-vuln/indirect-target-selection.rst create mode 100644 tools/testing/selftests/x86/bugs/Makefile create mode 100755 tools/testing/selftests/x86/bugs/common.py create mode 100755 tools/testing/selftests/x86/bugs/its_indirect_alignment.py create mode 100755 tools/testing/selftests/x86/bugs/its_permutations.py create mode 100755 tools/testing/selftests/x86/bugs/its_ret_alignment.py create mode 100755 tools/testing/selftests/x86/bugs/its_sysfs.py