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x86/mm/64: Make a full PGD-entry size hole in the memory map
2017-12-23 Andy Lutomirskix86/mm/64: Make a full PGD-entry size hole in the memory map
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-23 Andy Lutomirskix86/mm/pti: Map ESPFIX into user space
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-23 Andy Lutomirskix86/mm/pti: Share cpu_entry_area with user space page...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-23 Andy Lutomirskix86/mm/pti: Add functions to clone kernel PMDs
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-22 Andy Lutomirskix86/mm/64: Improve the memory map documentation
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-22 Andy Lutomirskix86/vsyscall/64: Warn and fail vsyscall emulation in...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-22 Andy Lutomirskix86/vsyscall/64: Explicitly set _PAGE_USER in the pagetable...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry/64: Make cpu_entry_area.tss read-only
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry: Clean up the SYSENTER_stack code
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry/64: Remove the SYSENTER stack canary
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry/64: Move the IST stacks into struct cpu_entry_area
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry/64: Create a per-CPU SYSCALL entry trampoline
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry/64: Return to userspace from the trampoline...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry/64: Use a per-CPU trampoline stack for IDT...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/espfix/64: Stop assuming that pt_regs is on the...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry/64: Separate cpu_current_top_of_stack from...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry: Remap the TSS into the CPU entry area
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry: Move SYSENTER_stack to the beginning of...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/dumpstack: Handle stack overflow on all stacks
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry: Fix assumptions that the HW TSS is at the...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/kasan/64: Teach KASAN about the cpu_entry_area
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/mm/fixmap: Generalize the GDT fixmap mechanism...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry/gdt: Put per-CPU GDT remaps in ascending...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/dumpstack: Add get_stack_info() support for the...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/entry/64: Allocate and enable the SYSENTER stack
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/irq/64: Print the offending IP in the stack overflow...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/irq: Remove an old outdated comment about context...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-12-17 Andy Lutomirskix86/unwinder/orc: Dont bail on stack overflow
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-07 Andy Lutomirskiselftests/x86/ldt_get: Add a few additional tests for...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-07 Andy Lutomirskiselftests/x86/ldt_gdt: Run most existing LDT test cases...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-07 Andy Lutomirskiselftests/x86/ldt_gdt: Add infrastructure to test set_thread...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-07 Andy Lutomirskiselftests/x86/ldt_gdt: Robustify against set_thread_area...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-07 Andy Lutomirskiselftests/x86/protection_keys: Fix syscall NR redefinition...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-04 Andy LutomirskiRevert "x86/mm: Stop calling leave_mm() in idle code"
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/traps: Use a new on_thread_stack() helper to clean...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Remove thread_struct::sp0
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/32: Fix cpu_current_top_of_stack initialization...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Remove all remaining direct thread_struct...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Stop initializing TSS.sp0 at boot
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/xen/64, x86/entry/64: Clean up SP code in cpu_initialize...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry: Add task_top_of_stack() to find the top...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Pass SP0 directly to load_sp0()
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/32: Pull the MSR_IA32_SYSENTER_CS update...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: De-Xen-ify our NMI code
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Remove the RESTORE_..._REGS infrastructure
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Use POP instead of MOV to restore regs...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Merge the fast and slow SYSRET paths
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Use pop instead of movq in syscall_return_via_...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Shrink paranoid_exit_restore and make...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Simplify reg restore code in the standard...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Move SWAPGS into the common IRET-to-usermode...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Split the IRET-to-user and IRET-to-kernel...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-11-02 Andy Lutomirskix86/entry/64: Remove the restore_c_regs_and_iret label
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-10-18 Andy Lutomirskix86/mm: Remove debug/x86/tlb_defer_switch_to_init_mm
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-10-18 Andy Lutomirskix86/mm: Tidy up "x86/mm: Flush more aggressively in...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-10-18 Andy Lutomirskix86/mm/64: Remove the last VM_BUG_ON() from the TLB...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-10-14 Andy Lutomirskix86/mm: Flush more aggressively in lazy TLB mode
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-10-09 Andy Lutomirskix86/mm/64: Fix reboot interaction with CR4.PCIDE
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-09-17 Andy Lutomirskix86/mm/32: Load a sane CR3 before cpu_init() on secondary...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-09-17 Andy Lutomirskix86/mm/32: Move setup_clear_cpu_cap(X86_FEATURE_PCID...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-09-17 Andy Lutomirskix86/mm/64: Stop using CR3.PCID == 0 in ASID-aware code
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-09-17 Andy Lutomirskix86/mm: Factor out CR3-building code
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-09-13 Andy Lutomirskix86/mm/64: Initialize CR4.PCIDE early
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-09-13 Andy Lutomirskix86/hibernate/64: Mask off CR3's PCID bits in the saved CR3
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-09-13 Andy Lutomirskix86/mm: Get rid of VM_BUG_ON in switch_tlb_irqs_off()
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-09-10 Andy Lutomirskix86/mm/64: Fix an incorrect warning with CONFIG_DEBUG_VM...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-09-07 Andy Lutomirskix86/mm: Document how CR4.PCIDE restore works
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-09-07 Andy Lutomirskix86/mm: Reinitialize TLB state on hotplug and resume
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-19 Andy Lutomirskiplatform/x86: dell-wmi: Update dell_wmi_check_descriptor_buf...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-15 Andy Lutomirskix86/xen/64: Fix the reported SS and CS in SYSCALL
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-10 Andy Lutomirskix86/switch_to/64: Rewrite FS/GS switching yet again...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-10 Andy Lutomirskiselftests/x86/fsgsbase: Test selectors 1, 2, and 3
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-10 Andy Lutomirskix86/fsgsbase/64: Report FSBASE and GSBASE correctly...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-10 Andy Lutomirskix86/fsgsbase/64: Fully initialize FS and GS state in...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-10 Andy Lutomirskix86/asm/32: Fix regs_get_register() on segment registers
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-10 Andy Lutomirskix86/xen/64: Rearrange the SYSCALL entries
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-10 Andy Lutomirskix86/asm/64: Clear AC on NMI entries
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-01 Andy Lutomirskiplatform/x86: dell-wmi: Fix driver interface version...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-08-01 Andy Lutomirskiplatform/x86: dell-wmi: Fix driver interface version...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-30 Andy Lutomirskix86/asm/32: Remove a bunch of '& 0xffff' from pt_regs...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-30 Andy Lutomirskix86/traps: Don't clear segment high bits in early_idt_handle...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-30 Andy Lutomirskix86/asm/32: Make pt_regs's segment registers be 16...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-27 Andy Lutomirskix86/ldt/64: Refresh DS and ES when modify_ldt changes...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-25 Andy Lutomirskix86/mm: Implement PCID based optimization: try to preserve...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-18 Andy Lutomirskix86/entry/64: Initialize the top of the IRQ stack before...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-18 Andy Lutomirskix86/entry/64: Refactor IRQ stacks and make them NMI...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-05 Andy Lutomirskix86/mm: Enable CR4.PCIDE on supported systems
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-05 Andy Lutomirskix86/mm: Add the 'nopcid' boot option to turn off PCID
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-05 Andy Lutomirskix86/mm: Disable PCID on 32-bit kernels
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-05 Andy Lutomirskix86/mm: Stop calling leave_mm() in idle code
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-05 Andy Lutomirskix86/mm: Rework lazy TLB mode and TLB freshness tracking
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-05 Andy Lutomirskix86/mm: Track the TLB's tlb_gen and update the flushing...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-07-05 Andy Lutomirskix86/mm: Give each mm TLB flush generation a unique ID
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-06-30 Andy Lutomirskiselftests/capabilities: Fix the test_execve test
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-06-30 Andy Lutomirskix86/mm: Delete a big outdated comment about TLB flushing
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-06-30 Andy Lutomirskix86/mm: Don't reenter flush_tlb_func_common()
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-06-22 Andy Lutomirskix86/mm: Remove reset_lazy_tlbstate()
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-06-22 Andy Lutomirskix86/ldt: Simplify the LDT switching logic
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-06-15 Andy Lutomirskifirmware: dmi_scan: Make dmi_walk and dmi_walk_early...
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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2017-06-13 Andy Lutomirskix86/mm: Split read_cr3() into read_cr3_pa() and __read_cr3()
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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