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c878e0cff5
linux/arch/arm64/kernel
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Will Deacon c878e0cff5 arm64: don't call break hooks for BRK exceptions from EL0 
Our break hooks are used to handle brk exceptions from kgdb (and potentially
kprobes if that code ever resurfaces), so don't bother calling them if
the BRK exception comes from userspace.

This prevents userspace from trapping to a kdb shell on systems where
kgdb is enabled and active.

Cc: <stable@vger.kernel.org>
Reported-by: Omar Sandoval <osandov@osandov.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-07-31 11:36:08 +01:00
..
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
arm64ksyms.c arm64: Add ftrace support 2014-05-29 09:08:08 +01:00
asm-offsets.c arm64: kernel: cpu_{suspend/resume} implementation 2013-12-16 17:17:31 +00:00
cpu_ops.c arm64: kernel: enable PSCI cpu operations on UP systems 2014-07-18 15:23:25 +01:00
cpuinfo.c arm64: add runtime system sanity checks 2014-07-18 15:24:11 +01:00
cputable.c arm64: add CPU_HOTPLUG infrastructure 2013-10-25 11:33:21 +01:00
debug-monitors.c arm64: don't call break hooks for BRK exceptions from EL0 2014-07-31 11:36:08 +01:00
efi-entry.S arm64: fix el2_setup check of CurrentEL 2014-07-04 16:16:52 +01:00
efi-stub.c arm64: efi: add EFI stub 2014-04-30 19:57:04 +01:00
efi.c arm64: efi: only attempt efi map setup if booting via EFI 2014-05-23 15:29:43 +01:00
entry-fpsimd.S arm64: add support for kernel mode NEON in interrupt context 2014-05-08 11:31:57 +02:00
entry-ftrace.S arm64: ftrace: Fix comment typo 'CONFIG_FUNCTION_GRAPH_FP_TEST' 2014-06-18 12:40:52 +01:00
entry.S arm64: Add __NR_* definitions for compat syscalls 2014-07-10 11:02:40 +01:00
fpsimd.c arm64: add support for kernel mode NEON in interrupt context 2014-05-08 11:31:57 +02:00
ftrace.c arm64: ftrace: Add dynamic ftrace support 2014-05-29 09:08:33 +01:00
head.S arm64: gicv3: Allow GICv3 compilation with older binutils 2014-07-25 13:12:15 +01:00
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: introduce aarch64_insn_gen_{nop|branch_imm}() helper functions 2014-01-08 15:21:29 +00:00
io.c arm64: Device specific operations 2012-09-17 13:42:04 +01:00
irq.c arm64: use cpu_online_mask when using forced irq_set_affinity 2014-05-12 16:25:07 +01:00
jump_label.c arm64, jump label: optimize jump label implementation 2014-01-08 15:23:53 +00:00
kgdb.c arm64: KGDB: Add step debugging support 2014-02-26 11:16:25 +00:00
kuser32.S arm64: Add __NR_* definitions for compat syscalls 2014-07-10 11:02:40 +01:00
Makefile arm64: cpuinfo: record cpu system register values 2014-07-18 15:24:09 +01:00
module.c arm64: move encode_insn_immediate() from module.c to insn.c 2014-01-08 15:21:29 +00:00
perf_event.c arm64: fix !CONFIG_COMPAT build failures 2014-04-06 23:25:04 +01:00
perf_regs.c arm64: fix !CONFIG_COMPAT build failures 2014-04-06 23:25:04 +01:00
process.c arm64: Add CONFIG_CC_STACKPROTECTOR 2014-07-09 12:23:48 +01:00
psci.c arm64: kernel: add __init marker to PSCI init functions 2014-07-18 15:23:45 +01:00
ptrace.c arm64: Do not invoke audit_syscall_* functions if !CONFIG_AUDIT_SYSCALL 2014-07-24 16:01:17 +01:00
return_address.c arm64: ftrace: Add CALLER_ADDRx macros 2014-05-29 09:08:33 +01:00
setup.c arm64: dmi: Add SMBIOS/DMI support 2014-07-21 10:22:21 +01:00
signal.c 2014-05-15 for-3.16 pull request 2014-05-16 10:05:11 +01:00
signal32.c arm64: Add __NR_* definitions for compat syscalls 2014-07-10 11:02:40 +01:00
sleep.S arm64: kernel: cpu_{suspend/resume} implementation 2013-12-16 17:17:31 +00:00
smp_spin_table.c arm64: Remove boot thread synchronisation for spin-table release method 2014-05-09 15:47:46 +01:00
smp.c arm64: cpuinfo: record cpu system register values 2014-07-18 15:24:09 +01:00
stacktrace.c arm64: Add 'notrace' attribute to unwind_frame() for ftrace 2014-05-29 09:04:31 +01:00
suspend.c arm64: kernel: add missing __init section marker to cpu_suspend_init 2014-07-18 15:23:59 +01:00
sys_compat.c arm64: Add __NR_* definitions for compat syscalls 2014-07-10 11:02:40 +01:00
sys.c arm64: switch to generic sigaltstack 2013-02-14 09:17:29 -05:00
sys32.S arm64: compat: correct register concatenation for syscall wrappers 2013-10-25 15:59:36 +01:00
time.c arm64: kernel: initialize broadcast hrtimer based clock event device 2014-05-30 17:48:13 +01:00
topology.c arm64: topology: add MPIDR-based detection 2014-07-09 12:22:40 +01:00
traps.c arm64: mm: Implement 4 levels of translation tables 2014-07-23 15:27:40 +01:00
vdso.c arm64: vdso: move data page before code pages 2014-07-17 16:18:57 +01:00
vmlinux.lds.S arm64: Enable TEXT_OFFSET fuzzing 2014-07-10 12:36:58 +01:00