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ae360a78f4
kexec does not disable the outer cache before disabling the inner caches in cpu_proc_fin(). So L2 is enabled across the kexec jump. When the new kernel enables chaches again, it randomly crashes. Disabling L2 before calling cpu_proc_fin() cures the problem. Disabling L2 requires the following new functions: flush_all(), inv_all() and disable(). Add them to outer_cache_fns and call them from the kexec code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Linus Walleij <linus.walleij@stericsson.com> |
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| .. | ||
| .gitignore | ||
| armksyms.c | ||
| arthur.c | ||
| asm-offsets.c | ||
| atags.c | ||
| atags.h | ||
| bios32.c | ||
| calls.S | ||
| compat.c | ||
| compat.h | ||
| crash_dump.c | ||
| crunch-bits.S | ||
| crunch.c | ||
| debug.S | ||
| dma-isa.c | ||
| dma.c | ||
| early_printk.c | ||
| ecard.c | ||
| ecard.h | ||
| elf.c | ||
| entry-armv.S | ||
| entry-common.S | ||
| entry-header.S | ||
| etm.c | ||
| fiq.c | ||
| ftrace.c | ||
| head-common.S | ||
| head-nommu.S | ||
| head.S | ||
| init_task.c | ||
| io.c | ||
| irq.c | ||
| isa.c | ||
| iwmmxt.S | ||
| kgdb.c | ||
| kprobes-decode.c | ||
| kprobes.c | ||
| leds.c | ||
| machine_kexec.c | ||
| Makefile | ||
| module.c | ||
| perf_event.c | ||
| pmu.c | ||
| process.c | ||
| ptrace.c | ||
| ptrace.h | ||
| relocate_kernel.S | ||
| return_address.c | ||
| setup.c | ||
| signal.c | ||
| signal.h | ||
| smp_scu.c | ||
| smp_twd.c | ||
| smp.c | ||
| stacktrace.c | ||
| sys_arm.c | ||
| sys_oabi-compat.c | ||
| tcm.c | ||
| tcm.h | ||
| thumbee.c | ||
| time.c | ||
| traps.c | ||
| unwind.c | ||
| vmlinux.lds.S | ||
| xscale-cp0.c | ||