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Documentation/x86/64: Add documentation for GS/FS addressing mode
2020-06-18 Thomas GleixnerDocumentation/x86/64: Add documentation for GS/FS addressing...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Andi Kleenx86/elf: Enumerate kernel FSGSBASE capability in AT_HWCAP2
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Andy Lutomirskix86/cpu: Enable FSGSBASE on 64bit by default and add...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Chang S. Baex86/entry/64: Handle FSGSBASE enabled paranoid entry...
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Chang S. Baex86/entry/64: Introduce the FIND_PERCPU_BASE macro
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Chang S. Baex86/entry/64: Switch CR3 before SWAPGS in paranoid...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Tony Luckx86/speculation/swapgs: Check FSGSBASE in enabling...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Chang S. Baex86/process/64: Use FSGSBASE instructions on thread...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Andy Lutomirskix86/process/64: Use FSBSBASE in switch_to() if available
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Thomas Gleixnerx86/process/64: Make save_fsgs_for_kvm() ready for...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Chang S. Baex86/fsgsbase/64: Enable FSGSBASE instructions in helper...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Andi Kleenx86/fsgsbase/64: Add intrinsics for FSGSBASE instructions
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Andy Lutomirskix86/cpu: Add 'unsafe_fsgsbase' to enable CR4.FSGSBASE
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-18 Chang S. Baex86/ptrace: Prevent ptrace from clearing the FS/GS...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-12 Thomas Gleixnerx86/entry: Force rcu_irq_enter() when in idle task
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-12 Thomas Gleixnerx86/entry: Make NMI use IDTENTRY_RAW
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-12 Andy Lutomirskix86/entry: Treat BUG/WARN as NMI-like entries
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Marco Elvercompiler_types.h, kasan: Use __SANITIZE_ADDRESS__ instead...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Marco Elvercompiler.h: Move function attributes to compiler_types.h
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Marco Elvercompiler.h: Avoid nested statement expression in data_race()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Marco Elvercompiler.h: Remove data_race() and unnecessary checks...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Marco Elverkcsan: Update Documentation to change supported compilers
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Marco Elverkcsan: Remove 'noinline' from __no_kcsan_or_inline
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Marco Elverkcsan: Pass option tsan-instrument-read-before-write...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Marco Elverkcsan: Support distinguishing volatile accesses
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Marco Elverkcsan: Restrict supported compilers
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Marco Elverkcsan: Avoid inserting __tsan_func_entry/exit if possible
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Arnd Bergmannubsan, kcsan: Don't combine sanitizer with kcov on...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas GleixnerRebase locking/kcsan to locking/urgent
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Tony Luckx86/mce/dev-mcelog: Fix -Wstringop-truncation warning...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Tony Luckx86/{mce,mm}: Unmap the entire page if the whole page...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas GleixnerMerge branch 'x86/entry' into ras/core
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2020-06-11 Thomas Gleixnerx86/entry: Unbreak __irqentry_text_start/end magic
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: __always_inline CR2 for noinstr
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstralockdep: __always_inline more for noinstr
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: Re-order #DB handler to avoid *SAN instrumentation
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: __always_inline arch_atomic_* for noinstr
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: __always_inline irqflags for noinstr
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: __always_inline debugreg for noinstr
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/idt: Consolidate idt functionality
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/idt: Cleanup trap_init()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/idt: Use proper constants for table size
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/idt: Add comments about early #PF handling
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/idt: Mark init only functions __init
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: Rename trace_hardirqs_off_prepare()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: Clarify irq_{enter,exit}_rcu()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: Remove DBn stacks
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: Remove debug IDT frobbing
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: Optimize local_db_save() for virt
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry, mce: Disallow #DB during #MC
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry, nmi: Disable #DB
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Peter Zijlstrax86/entry: Introduce local_db_{save,restore}()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Lai Jiangshanx86/hw_breakpoint: Prevent data breakpoints on user_pcid_flu...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Lai Jiangshanx86/hw_breakpoint: Prevent data breakpoints on per_cpu...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Lai Jiangshanx86/hw_breakpoint: Prevent data breakpoints on direct GDT
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Lai Jiangshanx86/hw_breakpoint: Add within_area() to check data...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Vitaly Kuznetsovxen: Move xen_setup_callback_vector() definition to...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Remove the TRACE_IRQS cruft
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Move paranoid irq tracing out of ASM code
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry/64: Remove TRACE_IRQS_*_DEBUG
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry/32: Remove redundant irq disable code
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Make enter_from_user_mode() static
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry/64: Remove IRQ stack switching ASM
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Remove the apic/BUILD interrupt leftovers
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Convert reschedule interrupt to IDTENTRY_SYSVEC_S...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Convert XEN hypercall vector to IDTENTRY_SYSVEC
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Convert various hypervisor vectors to IDTENTRY_SYSVEC
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Convert KVM vectors to IDTENTRY_SYSVEC*
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Convert various system vectors
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Convert SMP system vectors to IDTENTRY_SYSVEC
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Convert APIC interrupts to IDTENTRY_SYSVEC
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Provide IDTENTRY_SYSVEC
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Use idtentry for interrupts
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Add IRQENTRY_IRQ macro
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/irq: Rework handle_irq() for 64-bit
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/irq: Convey vector as argument and not in ptregs
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/irq: Use generic irq_regs implementation
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry/32: Remove common_exception()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry/64: Remove error_exit()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Change exit path of xen_failsafe_callback
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Remove the transition leftovers
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Switch page fault exception to IDTENTRY_RAW
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry/64: Simplify idtentry_body
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Switch XEN/PV hypercall entry to IDTENTRY
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Split out idtentry_exit_cond_resched()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry/64: Move do_softirq_own_stack() to C
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Provide helpers for executing on the irqstack
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnergenirq: Provide __irq_enter/exit_raw()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnergenirq: Provide irq_enter/exit_rcu()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Clean up idtentry_enter/exit() leftovers
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/idtentry: Switch to conditional RCU handling
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Provide idtentry_enter/exit_user()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Provide idtentry_entry/exit_cond_rcu()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnernmi, tracing: Make hardware latency tracing noinstr...
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Ingo Molnarx86/entry: Fix allnoconfig build warning
Cc: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/entry: Convert double fault exception to IDTENTRY_DF
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/idtentry: Provide IDTENTRY_DF
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/mce: Address objtools noinstr complaints
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/traps: Address objtool noinstr complaints in #DB
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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2020-06-11 Thomas Gleixnerx86/traps: Restructure #DB handling
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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