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e6d6c071f22de29e4993784fc00cd2202b7ba149
linux-bredos/arch/x86/kernel
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Josh Poimboeuf e6d6c071f2 x86/static_call: Add out-of-line static call implementation 
Add the x86 out-of-line static call implementation.  For each key, a
permanent trampoline is created which is the destination for all static
calls for the given key.  The trampoline has a direct jump which gets
patched by static_call_update() when the destination function changes.

[peterz: fixed trampoline, rewrote patching code]

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20200818135804.804315175@infradead.org
2020-09-01 09:58:05 +02:00
..
acpi
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
apic
Merge tag 'x86-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-30 12:01:23 -07:00
cpu
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
fpu
Merge tag 'x86-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-15 10:38:03 -07:00
kprobes
static_call: Avoid kprobes on inline static_call()s
2020-09-01 09:58:04 +02:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
alternative.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
amd_gart_64.c
docs: fix references for DMA*.txt files
2020-06-26 10:01:32 -06:00
amd_nb.c
x86/amd_nb: Add AMD family 17h model 60h PCI IDs
2020-05-22 18:24:40 +02:00
apb_timer.c
x86/apb_timer: Drop unused TSC calibration
2020-05-27 13:05:59 +02:00
aperture_64.c
…
apm_32.c
…
asm-offsets_32.c
Merge tag 'x86-entry-2020-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-03-30 19:14:28 -07:00
asm-offsets_64.c
x86/entry: Remove DBn stacks
2020-06-11 15:15:23 +02:00
asm-offsets.c
efi/x86: Avoid using code32_start
2020-03-08 09:58:17 +01:00
audit_64.c
x86/audit: Fix a -Wmissing-prototypes warning for ia32_classify_syscall()
2020-05-19 18:03:07 +02:00
bootflag.c
…
check.c
…
cpuid.c
…
crash_core_32.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
crash_core_64.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
crash_dump_32.c
…
crash_dump_64.c
fs/core/vmcore: Move sev_active() reference to x86 arch code
2019-08-09 22:52:10 +10:00
crash.c
x86/crash: Correct the address boundary of function parameters
2020-08-07 01:32:00 +02:00
devicetree.c
x86/headers: Remove APIC headers from <asm/smp.h>
2020-08-06 16:13:09 +02:00
doublefault_32.c
x86/entry: Convert double fault exception to IDTENTRY_DF
2020-06-11 15:15:03 +02:00
dumpstack_32.c
x86/32: Remove CONFIG_DOUBLEFAULT
2020-04-14 14:24:05 +02:00
dumpstack_64.c
x86/entry: Remove DBn stacks
2020-06-11 15:15:23 +02:00
dumpstack.c
Merge tag 'x86-core-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-03 17:00:00 -07:00
e820.c
Rebase locking/kcsan to locking/urgent
2020-06-11 20:02:46 +02:00
early_printk.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
early-quirks.c
x86/gpu: add RKL stolen memory support
2020-05-20 08:35:22 -07:00
ebda.c
…
eisa.c
…
espfix_64.c
mm: introduce include/linux/pgtable.h
2020-06-09 09:39:13 -07:00
ftrace_32.S
x86: Change {JMP,CALL}_NOSPEC argument
2020-04-30 20:14:34 +02:00
ftrace_64.S
x86/ftrace: Do not jump to direct code in created trampolines
2020-06-29 11:42:48 -04:00
ftrace.c
x86/ftrace: Do not jump to direct code in created trampolines
2020-06-29 11:42:48 -04:00
head32.c
…
head64.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
head_32.S
x86/xen: remove 32-bit Xen PV guest support
2020-08-11 08:26:48 +02:00
head_64.S
x86/entry: Remove the apic/BUILD interrupt leftovers
2020-06-11 15:15:16 +02:00
hpet.c
remove ioremap_nocache and devm_ioremap_nocache
2020-01-06 09:45:59 +01:00
hw_breakpoint.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
i8237.c
…
i8253.c
…
i8259.c
x86/i8259: Use printk_deferred() to prevent deadlock
2020-07-29 16:27:16 +02:00
idt.c
x86/idt: Make idt_descr static
2020-06-20 11:47:35 +02:00
ima_arch.c
Merge tag 'efi-next' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/core
2020-02-26 15:21:22 +01:00
io_delay.c
…
ioport.c
x86/ioperm: Prevent a memory leak when fork fails
2020-05-28 21:36:20 +02:00
irq_32.c
x86/irq: Rework handle_irq() for 64-bit
2020-06-11 15:15:12 +02:00
irq_64.c
x86/entry/64: Move do_softirq_own_stack() to C
2020-06-11 15:15:07 +02:00
irq_work.c
x86/entry: Convert various system vectors
2020-06-11 15:15:14 +02:00
irq.c
x86/entry: Convert KVM vectors to IDTENTRY_SYSVEC*
2020-06-11 15:15:15 +02:00
irqflags.S
x86/asm: Change all ENTRY+ENDPROC to SYM_FUNC_*
2019-10-18 11:58:33 +02:00
irqinit.c
x86/headers: Remove APIC headers from <asm/smp.h>
2020-08-06 16:13:09 +02:00
itmt.c
sysctl: pass kernel pointers to ->proc_handler
2020-04-27 02:07:40 -04:00
jailhouse.c
locking/seqlock, headers: Untangle the spaghetti monster
2020-08-06 16:13:13 +02:00
jump_label.c
x86/jump_label: Move 'inline' keyword placement
2020-03-27 11:05:41 +01:00
kdebugfs.c
x86/boot: Introduce setup_indirect
2019-11-12 16:21:15 +01:00
kexec-bzimage64.c
x86/efi: Remove references to no-longer-used efi_have_uv1_memmap()
2020-07-17 16:47:47 +02:00
kgdb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
ksysfs.c
x86/boot: Introduce setup_indirect
2019-11-12 16:21:15 +01:00
kvm.c
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2020-08-06 12:59:31 -07:00
kvmclock.c
x86/vdso: Use generic VDSO clock mode storage
2020-02-17 14:40:23 +01:00
ldt.c
x86/ldt: use "pr_info_once()" instead of open-coding it badly
2020-07-05 12:50:20 -07:00
machine_kexec_32.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
machine_kexec_64.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
Makefile
x86/static_call: Add out-of-line static call implementation
2020-09-01 09:58:05 +02:00
mmconf-fam10h_64.c
…
module.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
mpparse.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
msr.c
x86/msr: Filter MSR writes
2020-06-25 10:39:02 +02:00
nmi_selftest.c
…
nmi.c
x86/entry: Fix NMI vs IRQ state tracking
2020-07-10 12:00:01 +02:00
paravirt_patch.c
…
paravirt-spinlocks.c
…
paravirt.c
x86/ioperm: Fix io bitmap invalidation on Xen PV
2020-07-18 12:31:49 +02:00
pci-dma.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping
2019-11-28 11:16:43 -08:00
pci-iommu_table.c
…
pci-swiotlb.c
dma-mapping: fix filename references
2019-09-03 08:36:30 +02:00
pcspeaker.c
…
perf_regs.c
…
platform-quirks.c
…
pmem.c
…
probe_roms.c
maccess: make get_kernel_nofault() check for minimal type compatibility
2020-06-18 12:10:37 -07:00
process_32.c
x86/dumpstack: Add log_lvl to __show_regs()
2020-07-22 23:56:53 +02:00
process_64.c
x86/fsgsbase/64: Fix NULL deref in 86_fsgsbase_read_task
2020-08-14 13:30:18 -07:00
process.c
cpuidle: Move trace_cpu_idle() into generic code
2020-08-26 12:41:54 +02:00
process.h
x86: Use the correct SPDX License Identifier in headers
2019-10-01 20:31:35 +02:00
ptrace.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
pvclock.c
x86/vdso: Use generic VDSO clock mode storage
2020-02-17 14:40:23 +01:00
quirks.c
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
reboot_fixups_32.c
…
reboot.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
relocate_kernel_32.S
x86/asm: Annotate relocate_kernel_{32,64}.c
2019-10-18 09:53:19 +02:00
relocate_kernel_64.S
x86/kexec: Make relocate_kernel_64.S objtool clean
2020-03-25 18:28:28 +01:00
resource.c
…
rtc.c
…
setup_percpu.c
x86/mm: remove vmalloc faulting
2020-06-02 10:59:12 -07:00
setup.c
Merge tag 'locking-urgent-2020-08-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-10 19:07:44 -07:00
signal_compat.c
…
signal.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
smp.c
x86/entry: Convert reschedule interrupt to IDTENTRY_SYSVEC_SIMPLE
2020-06-11 15:15:16 +02:00
smpboot.c
x86/hotplug: Silence APIC only after all interrupts are migrated
2020-08-27 09:29:23 +02:00
stacktrace.c
x86/stacktrace: Fix reliable check for empty user task stacks
2020-07-22 23:47:47 +02:00
static_call.c
x86/static_call: Add out-of-line static call implementation
2020-09-01 09:58:05 +02:00
step.c
…
sys_ia32.c
fork: fold legacy_clone_args_valid() into _do_fork()
2020-06-22 14:38:38 +02:00
sys_x86_64.c
x86: Remove unneeded includes
2020-03-21 16:03:25 +01:00
sysfb_efi.c
x86/sysfb_efi: Add quirks for some devices with swapped width and height
2019-07-22 10:47:11 +02:00
sysfb_simplefb.c
x86/sysfb: Fix check for bad VRAM size
2020-01-20 10:57:53 +01:00
sysfb.c
…
tboot.c
mmap locking API: add MMAP_LOCK_INITIALIZER
2020-06-09 09:39:14 -07:00
time.c
Merge tag 'x86-urgent-2020-06-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-06-11 15:54:31 -07:00
tls.c
x86: switch to ->regset_get()
2020-07-27 14:31:07 -04:00
tls.h
x86: switch to ->regset_get()
2020-07-27 14:31:07 -04:00
topology.c
x86/headers: Remove APIC headers from <asm/smp.h>
2020-08-06 16:13:09 +02:00
trace_clock.c
…
tracepoint.c
x86/entry: Convert reschedule interrupt to IDTENTRY_SYSVEC_SIMPLE
2020-06-11 15:15:16 +02:00
traps.c
mm: remove unneeded includes of <asm/pgalloc.h>
2020-08-07 11:33:26 -07:00
tsc_msr.c
Merge tag 'x86-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-15 10:38:03 -07:00
tsc_sync.c
x86: Fix a handful of typos
2020-02-16 20:58:06 +01:00
tsc.c
x86/tsc: Add tsc_early_khz command line parameter
2020-05-21 23:07:00 +02:00
umip.c
x86/umip: Make umip_insns static
2020-04-15 11:13:12 +02:00
unwind_frame.c
Merge tag 'fork-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2020-08-04 14:47:45 -07:00
unwind_guess.c
…
unwind_orc.c
x86/unwind/orc: Fix ORC for newly forked tasks
2020-07-22 23:47:47 +02:00
uprobes.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
verify_cpu.S
x86/asm: Annotate local pseudo-functions
2019-10-18 10:04:04 +02:00
vm86_32.c
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
vmlinux.lds.S
x86, vmlinux.lds: Page-align end of ..page_aligned sections
2020-07-22 09:38:37 +02:00
vsmp_64.c
…
x86_init.c
x86/kvm: Handle async page faults directly through do_page_fault()
2020-05-19 15:53:57 +02:00