linux-kernel - RE: [PATCH]arm64:defconfig:enable ACPI_APEI

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Date:   Wed, 21 Mar 2018 10:50:47 +0000
From:   Shiju Jose <shiju.jose@...wei.com>
To:     gengdongjiu <gengdongjiu@...wei.com>,
        "xuwei (O)" <xuwei5@...wei.com>
CC:     "arnd@...db.de" <arnd@...db.de>,
        "james.morse@....com" <james.morse@....com>,
        "tbaicar@...eaurora.org" <tbaicar@...eaurora.org>,
        Xiexiuqi <xiexiuqi@...wei.com>,
        "Zhengqiang (turing)" <zhengqiang10@...wei.com>,
        Linuxarm <linuxarm@...wei.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH]arm64:defconfig:enable ACPI_APEI_SEA

Hi Gengdongjiu,

Ok got it. Please ignore this patch.

Thanks,
Shiju 

> -----Original Message-----
> From: gengdongjiu
> Sent: 21 March 2018 01:49
> To: Shiju Jose; xuwei (O)
> Cc: arnd@...db.de; james.morse@....com; tbaicar@...eaurora.org;
> Xiexiuqi; Zhengqiang (turing); Linuxarm; linux-kernel@...r.kernel.org;
> linux-arm-kernel@...ts.infradead.org
> Subject: Re: [PATCH]arm64:defconfig:enable ACPI_APEI_SEA
> 
> Hi Shiju,
>    The configuration "CONFIG_ACPI_APEI_SEA" is needed to manually
> enable?
> In the "drivers/acpi/apei/Kconfig" file, the default value of
> ACPI_APEI_SEA is "y"
> 
> config ACPI_APEI_SEA
>         bool "APEI Synchronous External Abort logging/recovering
> support"
>         depends on ARM64 && ACPI_APEI_GHES
>         default y
>         help
>           This option should be enabled if the system supports
>           firmware first handling of SEA (Synchronous External Abort).
>           SEA happens with certain faults of data abort or instruction
>           abort synchronous exceptions on ARMv8 systems. If a system
>           supports firmware first handling of SEA, the platform
> analyzes
>           and handles hardware error notifications from SEA, and it may
> then
>           form a HW error record for the OS to parse and handle. This
>           option allows the OS to look for such hardware error record,
> and
>           take appropriate action.
> 
> 
> On 2018/3/20 20:23, Shiju Jose wrote:
> > Enable ACPI APEI SEA option for arm64, to handle
> > ARMv8 SEA(Synchronous External Abort).
> >
> > Signed-off-by: Shiju Jose <shiju.jose@...wei.com>
> > Cc: Tyler Baicar <tbaicar@...eaurora.org>
> > Cc: James Morse <james.morse@....com>
> > Cc: Dongjiu Geng <gengdongjiu@...wei.com>
> > Cc: Xie XiuQi <xiexiuqi@...wei.com>
> > Cc: Qiang Zheng <zhengqiang10@...wei.com>
> > ---
> >  arch/arm64/configs/defconfig | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm64/configs/defconfig
> > b/arch/arm64/configs/defconfig index 634b373..5ddf25c 100644
> > --- a/arch/arm64/configs/defconfig
> > +++ b/arch/arm64/configs/defconfig
> > @@ -574,6 +574,7 @@ CONFIG_ACPI_APEI_GHES=y
> > CONFIG_ACPI_APEI_PCIEAER=y  CONFIG_ACPI_APEI_MEMORY_FAILURE=y
> > CONFIG_ACPI_APEI_EINJ=y
> > +CONFIG_ACPI_APEI_SEA=y
> >  CONFIG_EXT2_FS=y
> >  CONFIG_EXT3_FS=y
> >  CONFIG_EXT4_FS_POSIX_ACL=y
> >