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932ded4b0b
linux/arch/arm64/kernel
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Andre Przywara 932ded4b0b arm64: add module support for alternatives fixups 
Currently the kernel patches all necessary instructions once at boot
time, so modules are not covered by this.
Change the apply_alternatives() function to take a beginning and an
end pointer and introduce a new variant (apply_alternatives_all()) to
cover the existing use case for the static kernel image section.
Add a module_finalize() function to arm64 to check for an
alternatives section in a module and patch only the instructions from
that specific area.
Since that module code is not touched before the module
initialization has ended, we don't need to halt the machine before
doing the patching in the module's code.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-12-04 10:28:24 +00:00
..
vdso arm64: vdso: fix build error when switching from LE to BE 2014-07-30 15:06:35 +01:00
.gitignore arm64: Build infrastructure 2012-09-17 13:42:21 +01:00
alternative.c arm64: add module support for alternatives fixups 2014-12-04 10:28:24 +00:00
arm64ksyms.c arm64: Add ftrace support 2014-05-29 09:08:08 +01:00
armv8_deprecated.c arm64: fix return code check when changing emulation handler 2014-11-25 10:05:35 +00:00
asm-offsets.c arm64: KVM: implement lazy world switch for debug registers 2014-07-11 04:57:46 -07:00
cpu_errata.c arm64: alternatives: fix pr_fmt string for consistency 2014-11-25 18:27:01 +00:00
cpu_ops.c arm64: kernel: enable PSCI cpu operations on UP systems 2014-07-18 15:23:25 +01:00
cpuidle.c arm64: kernel: introduce cpu_init_idle CPU operation 2014-09-12 10:48:55 +01:00
cpuinfo.c arm64: sanity checks: add ID_AA64DFR{0,1}_EL1 2014-11-25 15:56:44 +00:00
cputable.c arm64: add CPU_HOTPLUG infrastructure 2013-10-25 11:33:21 +01:00
debug-monitors.c KVM/ARM New features for 3.17 include: 2014-08-05 09:47:45 +02:00
efi-entry.S arm64/efi: efistub: jump to 'stext' directly, not through the header 2014-11-05 09:02:59 +01:00
efi-stub.c arm64/efi: efistub: don't abort if base of DRAM is occupied 2014-09-08 14:39:18 +01:00
efi.c arm64: dmi: set DMI string as dump stack arch description 2014-11-05 09:03:32 +01:00
entry-fpsimd.S arm64: fpsimd: fix a typo in fpsimd_save_partial_state ENDPROC 2014-07-31 11:42:42 +01:00
entry-ftrace.S arm64: ftrace: eliminate literal pool entries 2014-11-07 15:04:49 +00:00
entry.S arm64: ptrace: allow tracer to skip a system call 2014-11-28 10:24:13 +00:00
fpsimd.c arm64: fix bug for reloading FPSIMD state after cpu power off 2014-09-01 12:55:21 +01:00
ftrace.c arm64: Correct ftrace calls to aarch64_insn_gen_branch_imm() 2014-09-19 12:05:45 +01:00
head.S arm64: Move some head.text functions to executable section 2014-11-26 17:19:47 +00:00
hw_breakpoint.c arm64: is_compat_task is defined both in asm/compat.h and linux/compat.h 2014-05-12 16:43:29 +01:00
hyp-stub.S irqchip: gic-v3: Initial support for GICv3 2014-07-08 22:11:47 +00:00
image.h arm64: Update the Image header 2014-07-10 12:36:40 +01:00
insn.c arm64: Emulate CP15 Barrier instructions 2014-11-20 16:34:48 +00:00
io.c arm64: optimize memcpy_{from,to}io() and memset_io() 2014-11-06 17:25:27 +00:00
irq.c arm64: Treat handle_arch_irq as a function pointer 2014-11-25 15:56:44 +00:00
jump_label.c arm64: jump labels: NOP out NOP -> NOP replacement 2014-11-26 17:19:47 +00:00
kgdb.c arm64: Fix typos in KGDB macros 2014-09-25 15:35:41 +01:00
kuser32.S arm64: Add __NR_* definitions for compat syscalls 2014-07-10 11:02:40 +01:00
Makefile arm64: detect silicon revisions and set cap bits accordingly 2014-11-25 13:46:37 +00:00
module.c arm64: add module support for alternatives fixups 2014-12-04 10:28:24 +00:00
pci.c arm64: Add architectural support for PCI 2014-09-30 17:08:57 -06:00
perf_event.c arm64: perf: Prevent wraparound during overflow 2014-12-04 10:26:54 +00:00
perf_regs.c arm64: perf: don't rely on layout of pt_regs when grabbing sp or pc 2014-08-28 20:01:50 +01:00
process.c arm64: ASLR: Don't randomise text when randomise_va_space == 0 2014-10-24 15:47:49 +01:00
psci.c arm64: add PSCI CPU_SUSPEND based cpu_suspend support 2014-09-12 10:48:56 +01:00
ptrace.c arm64: add seccomp support 2014-11-28 10:24:59 +00:00
return_address.c arm64: LLVMLinux: Use global stack pointer in return_address() 2014-09-08 14:39:19 +01:00
setup.c arm64: Provide a namespace to NCAPS 2014-12-04 09:57:41 +00:00
signal32.c arm64: add SIGSYS siginfo for compat task 2014-11-28 10:24:59 +00:00
signal.c arm64: Use sigsp() 2014-08-06 13:03:45 +02:00
sleep.S arm64: Move cpu_resume into the text section 2014-11-25 15:56:44 +00:00
smp_spin_table.c arm64: spin-table: handle unmapped cpu-release-addrs 2014-09-08 14:39:18 +01:00
smp.c arm64: add module support for alternatives fixups 2014-12-04 10:28:24 +00:00
stacktrace.c arm64: LLVMLinux: Use current_stack_pointer in save_stack_trace_tsk 2014-09-08 14:39:19 +01:00
suspend.c arm64: Move cpu_resume into the text section 2014-11-25 15:56:44 +00:00
sys32.S arm64: compat: correct register concatenation for syscall wrappers 2013-10-25 15:59:36 +01:00
sys_compat.c arm64: compat: align cacheflush syscall with arch/arm 2014-12-01 13:31:12 +00:00
sys.c arm64: switch to generic sigaltstack 2013-02-14 09:17:29 -05:00
time.c arm64: kernel: initialize broadcast hrtimer based clock event device 2014-05-30 17:48:13 +01:00
topology.c arm64: topology: Fix handling of multi-level cluster MPIDR-based detection 2014-11-25 15:56:43 +00:00
trace-events-emulation.h arm64: Trace emulation of AArch32 legacy instructions 2014-11-20 16:35:02 +00:00
traps.c arm64: Add support for hooks to handle undefined instructions 2014-11-20 16:33:43 +00:00
vdso.c arm64,ia64,ppc,s390,sh,tile,um,x86,mm: remove default gate area 2014-08-08 15:57:27 -07:00
vmlinux.lds.S arm64: vmlinux.lds.S: don't discard .exit.* sections at link-time 2014-11-25 15:56:45 +00:00