AuxXxilium/linux_dsm_epyc7002
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b0e626b380
linux_dsm_epyc7002/arch/arm64/kernel
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Marc Zyngier b0e626b380 arm64: KVM: implement lazy world switch for debug registers 
Implement switching of the debug registers. While the number
of registers is massive, CPUs usually don't implement them all
(A57 has 6 breakpoints and 4 watchpoints, which gives us a total
of 22 registers "only").

Also, we only save/restore them when MDSCR_EL1 has debug enabled,
or when we've flagged the debug registers as dirty. It means that
most of the time, we only save/restore MDSCR_EL1.

Reviewed-by: Anup Patel <anup.patel@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2014-07-11 04:57:46 -07:00
..
vdso arm64: vdso: fix coarse clock handling 2014-02-05 11:55:30 +00:00
.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: KVM: implement lazy world switch for debug registers 2014-07-11 04:57:46 -07:00
cpu_ops.c arm64: Slightly improve the warning on CPU0 enable-method 2013-10-31 16:37:26 +00:00
cputable.c arm64: add CPU_HOTPLUG infrastructure 2013-10-25 11:33:21 +01:00
debug-monitors.c arm64: move DBG_MDSCR_* to asm/debug-monitors.h 2014-07-11 04:57:43 -07:00
efi-entry.S arm64: efi: add EFI stub 2014-04-30 19:57:04 +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: Add dynamic ftrace support 2014-05-29 09:08:33 +01:00
entry.S 2014-05-15 for-3.16 pull request 2014-05-16 10:05:11 +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 irqchip: gic-v3: Initial support for GICv3 2014-07-08 22:11:47 +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
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: atomics: fix use of acquire + release for full barrier semantics 2014-02-07 16:45:43 +00:00
Makefile - Optimised assembly string/memory routines (based on the AArch64 Cortex 2014-06-06 10:43:28 -07:00
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: Fix deadlock scenario with smp_send_stop() 2014-05-16 18:03:33 +01:00
psci.c ARM: Check if a CPU has gone offline 2014-05-15 10:16:30 -04:00
ptrace.c arm64: ftrace: Add system call tracepoint 2014-05-29 09:08:33 +01:00
return_address.c arm64: ftrace: Add CALLER_ADDRx macros 2014-05-29 09:08:33 +01:00
setup.c - Optimised assembly string/memory routines (based on the AArch64 Cortex 2014-06-06 10:43:28 -07:00
signal32.c 2014-05-15 for-3.16 pull request 2014-05-16 10:05:11 +01:00
signal.c 2014-05-15 for-3.16 pull request 2014-05-16 10:05:11 +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 - Optimised assembly string/memory routines (based on the AArch64 Cortex 2014-06-06 10:43:28 -07:00
stacktrace.c arm64: Add 'notrace' attribute to unwind_frame() for ftrace 2014-05-29 09:04:31 +01:00
suspend.c arm64: kernel: fix per-cpu offset restore on resume 2014-01-24 14:27:40 +00:00
sys32.S arm64: compat: correct register concatenation for syscall wrappers 2013-10-25 15:59:36 +01:00
sys_compat.c compat: generic compat_sys_sched_rr_get_interval() implementation 2012-12-17 17:15:18 -08:00
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: Add support for topology DT bindings 2014-05-16 17:12:41 +01:00
traps.c arm64: Provide read/write fault information in compat signal handlers 2014-05-09 15:47:47 +01:00
vdso.c arm64: vdso: clean up vdso_pagelist initialization 2014-02-26 11:16:30 +00:00
vmlinux.lds.S arm64: Fix linker script entry point 2014-05-23 15:32:03 +01:00