linux-kernel - Re: [PATCH V12 09/10] trace, ras: add ARM processor error trace event

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Date:   Mon, 13 Mar 2017 09:58:52 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Xie XiuQi <xiexiuqi@...wei.com>
Cc:     "Baicar, Tyler" <tbaicar@...eaurora.org>,
        <christoffer.dall@...aro.org>, <marc.zyngier@....com>,
        <pbonzini@...hat.com>, <rkrcmar@...hat.com>,
        <linux@...linux.org.uk>, <catalin.marinas@....com>,
        <will.deacon@....com>, <rjw@...ysocki.net>, <lenb@...nel.org>,
        <matt@...eblueprint.co.uk>, <robert.moore@...el.com>,
        <lv.zheng@...el.com>, <nkaje@...eaurora.org>,
        <zjzhang@...eaurora.org>, <mark.rutland@....com>,
        <james.morse@....com>, <akpm@...ux-foundation.org>,
        <eun.taik.lee@...sung.com>, <sandeepa.s.prabhu@...il.com>,
        <labbott@...hat.com>, <shijie.huang@....com>,
        <rruigrok@...eaurora.org>, <paul.gortmaker@...driver.com>,
        <tn@...ihalf.com>, <fu.wei@...aro.org>, <bristot@...hat.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <kvmarm@...ts.cs.columbia.edu>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-acpi@...r.kernel.org>,
        <linux-efi@...r.kernel.org>, <devel@...ica.org>,
        <Suzuki.Poulose@....com>, <punit.agrawal@....com>,
        <astone@...hat.com>, <harba@...eaurora.org>,
        <hanjun.guo@...aro.org>, <john.garry@...wei.com>,
        <shiju.jose@...wei.com>, <joe@...ches.com>,
        "wangxiongfeng2@...wei.com" <wangxiongfeng2@...wei.com>,
        Guo Hanjun <guohanjun@...wei.com>,
        "Zhengqiang (turing)" <zhengqiang10@...wei.com>
Subject: Re: [PATCH V12 09/10] trace, ras: add ARM processor error trace
 event

On Mon, 13 Mar 2017 17:00:59 +0800
Xie XiuQi <xiexiuqi@...wei.com> wrote:

> ---
>  drivers/acpi/apei/ghes.c |  8 +++++
>  include/linux/cper.h     |  5 +++
>  include/ras/ras_event.h  | 87 ++++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 100 insertions(+)
> 
> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
> index 251d7e0..6d34c26 100644
> --- a/drivers/acpi/apei/ghes.c
> +++ b/drivers/acpi/apei/ghes.c
> @@ -518,9 +518,17 @@ static void ghes_do_proc(struct ghes *ghes,
>  		else if (!uuid_le_cmp(sec_type, CPER_SEC_PROC_ARM) &&
>  			 trace_arm_event_enabled()) {
>  			struct cper_sec_proc_arm *arm_err;
> +			struct cper_arm_err_info *err_info;
> +			int i;
> 
>  			arm_err = acpi_hest_generic_data_payload(gdata);
>  			trace_arm_event(arm_err);
> +

		if (trace_arm_proc_err_enabled()) {

> +			err_info = (struct cper_arm_err_info *)(arm_err + 1);
> +			for (i = 0; i < arm_err->err_info_num; i++) {
> +				trace_arm_proc_err(err_info);
> +				err_info += 1;
> +			}

		}

-- Steve

>  		} else if (trace_unknown_sec_event_enabled()) {
>  			void *unknown_err = acpi_hest_generic_data_payload(gdata);
>  			trace_unknown_sec_event(&sec_type,
> diff --git a/include/linux/cper.h b/include/linux/cper.h