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from ab59a8605604 Merge tag 'net-6.15-rc2' of git://git.kernel.org/pub/scm/l [...] new a8df7d0ef92e objtool: Fix INSN_CONTEXT_SWITCH handling in validate_unret() new fe1042b1ef79 objtool: Split INSN_CONTEXT_SWITCH into INSN_SYSCALL and I [...] new 9f9cc012c2cb objtool: Stop UNRET validation on UD2 new 2dbbca9be4e5 objtool, xen: Fix INSN_SYSCALL / INSN_SYSRET semantics new 2d12c6fb7875 objtool: Remove ANNOTATE_IGNORE_ALTERNATIVE from CLAC/STAC new 87cb582d2f55 objtool: Fix false-positive "ignoring unreachables" warning new 54a012b62235 Merge tag 'objtool-urgent-2025-04-10' of git://git.kernel. [...] new 0ba3a4ab76fd perf/core: Fix WARN_ON(!ctx) in __free_event() for partial init new 0cd575cab10e uprobes: Avoid false-positive lockdep splat on CONFIG_PREE [...] new 56799bc03565 perf: Fix hang while freeing sigtrap event new ac253a537da3 Merge tag 'perf-urgent-2025-04-10' of git://git.kernel.org [...] new 8b37357a78d7 x86/acpi: Don't limit CPUs to 1 for Xen PV guests due to d [...] new f2f29da9f0d4 x86/e820: Fix handling of subpage regions when calculating [...] new 45c2e30bbd64 x86/resctrl: Fix rdtgroup_mkdir()'s unlocked use of kernfs [...] new 996457176bb7 x86/early_printk: Use 'mmio32' for consistency, fix comments new 13235d6d50bb x86/bugs: Rename entry_ibpb() to write_ibpb() new fc9fd3f98423 x86/bugs: Use SBPB in write_ibpb() if applicable new b1b19cfcf465 x86/bugs: Fix RSB clearing in indirect_branch_prediction_b [...] new 18bae0dfec15 x86/bugs: Don't fill RSB on VMEXIT with eIBRS+retpoline new 27ce8299bc1e x86/bugs: Don't fill RSB on context switch with eIBRS new 83f6665a49c3 x86/bugs: Add RSB mitigation document new af76f7d57ee9 Documentation/x86: Update the naming of CPU features for / [...] new 254a6d14c9c9 Documentation/x86: Zap the subsection letters new f0df00ebc57f x86/cpu: Avoid running off the end of an AMD erratum table new 1fac13956e98 x86/ibt: Fix hibernate new 3c9de67dd370 Merge tag 'x86-urgent-2025-04-10' of git://git.kernel.org/ [...] new 2424e146bee0 hrtimer: Add missing ACCESS_PRIVATE() for hrtimer::function new 92e250c624ea timekeeping: Add a lockdep override in tick_freeze() new acea9943271b vdso: Address variable shadowing in macros new 34833819d227 Merge tag 'timers-urgent-2025-04-10' of git://git.kernel.o [...] new 75f8c87555e6 irqchip/davinci: Remove leftover header new 305825d09b15 irqchip/sg2042-msi: Add missing chip flags new f35508b93a2f irqchip/irq-bcm2712-mip: Set EOI/ACK flags in msi_parent_ops new 0c7cae12f67c Merge tag 'irq-urgent-2025-04-10' of git://git.kernel.org/ [...]

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Summary of changes: Documentation/admin-guide/hw-vuln/index.rst | 1 + Documentation/admin-guide/hw-vuln/rsb.rst | 268 ++++++++++++++++++++++++ Documentation/admin-guide/kernel-parameters.txt | 5 +- Documentation/arch/x86/cpuinfo.rst | 69 +++--- arch/x86/entry/entry.S | 9 +- arch/x86/include/asm/nospec-branch.h | 12 +- arch/x86/include/asm/smap.h | 12 +- arch/x86/kernel/acpi/boot.c | 11 + arch/x86/kernel/cpu/amd.c | 1 + arch/x86/kernel/cpu/bugs.c | 101 +++------ arch/x86/kernel/cpu/resctrl/rdtgroup.c | 48 +++-- arch/x86/kernel/e820.c | 17 +- arch/x86/kernel/early_printk.c | 10 +- arch/x86/mm/tlb.c | 6 +- arch/x86/power/hibernate_asm_64.S | 4 +- arch/x86/xen/xen-asm.S | 4 +- drivers/irqchip/irq-bcm2712-mip.c | 1 + drivers/irqchip/irq-sg2042-msi.c | 1 + include/linux/hrtimer.h | 2 +- include/linux/irqchip/irq-davinci-aintc.h | 27 --- include/linux/perf_event.h | 1 - include/vdso/unaligned.h | 12 +- kernel/events/core.c | 70 ++----- kernel/events/uprobes.c | 15 +- kernel/time/hrtimer.c | 2 +- kernel/time/tick-common.c | 22 ++ tools/objtool/arch/x86/decode.c | 18 +- tools/objtool/arch/x86/special.c | 2 +- tools/objtool/check.c | 59 +++++- tools/objtool/include/objtool/arch.h | 3 +- 30 files changed, 543 insertions(+), 270 deletions(-) create mode 100644 Documentation/admin-guide/hw-vuln/rsb.rst delete mode 100644 include/linux/irqchip/irq-davinci-aintc.h