In some platform, when SEA triggerred, physical address might be reported by memory section, so we save it for error recovery later. Signed-off-by: Xie XiuQi <xiexiuqi@xxxxxxxxxx> Tested-by: Wang Xiongfeng <wangxiongfeng2@xxxxxxxxxx> Tested-by: Tyler Baicar <tbaicar@xxxxxxxxxxxxxx> --- arch/arm64/kernel/ras.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm64/kernel/ras.c b/arch/arm64/kernel/ras.c index 05d3871..4690193 100644 --- a/arch/arm64/kernel/ras.c +++ b/arch/arm64/kernel/ras.c @@ -140,3 +140,34 @@ void ghes_arm_process_error(struct ghes *ghes, struct cper_sec_proc_arm *err) if (info_saved) set_thread_flag(TIF_SEA_NOTIFY); } + +int ghes_mem_err_callback(struct notifier_block *nb, unsigned long val, void *data) +{ + bool info_saved = false; + struct ghes_mem_err *ghes_mem = (struct ghes_mem_err *)data; + struct cper_sec_mem_err *mem_err = ghes_mem->mem_err; + + if ((ghes_mem->notify_type != ACPI_HEST_NOTIFY_SEA) || + (ghes_mem->severity != CPER_SEV_RECOVERABLE)) + return 0; + + if (mem_err->validation_bits & CPER_MEM_VALID_PA) + info_saved = sea_save_info(mem_err->physical_addr); + + if (info_saved) + set_thread_flag(TIF_SEA_NOTIFY); + + return 0; +} + +static struct notifier_block ghes_mem_err_nb = { + .notifier_call = ghes_mem_err_callback, +}; + +static int arm64_err_recov_init(void) +{ + atomic_notifier_chain_register(&ghes_mem_err_chain, &ghes_mem_err_nb); + return 0; +} + +late_initcall(arm64_err_recov_init); -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html