linux-kernel - Re: [PATCH] ACPI / APEI: Add is_ghes

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Message-ID: <20210125171431.GI23070@zn.tnic>
Date:   Mon, 25 Jan 2021 18:14:31 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Terry Bowman <terry.bowman@....com>,
        James Morse <james.morse@....com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, Tony Luck <tony.luck@...el.com>,
        Yazen Ghannam <yazen.ghannam@....com>,
        Hanjun Guo <guohanjun@...wei.com>,
        Colin Ian King <colin.king@...onical.com>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        jon.grimm@....com
Subject: Re: [PATCH] ACPI / APEI: Add is_ghes_type() to identify GHES sources

On Mon, Jan 25, 2021 at 05:41:04PM +0100, Rafael J. Wysocki wrote:
> On Fri, Jan 22, 2021 at 7:05 PM Terry Bowman <terry.bowman@....com> wrote:
> >
> > From: Yazen Ghannam <yazen.ghannam@....com>
> >
> > Refactor duplicated GHES identity logic into is_ghes_type().
> >
> > Signed-off-by: Yazen Ghannam <yazen.ghannam@....com>
> > Reviewed-by: Robert Richter <rrichter@....com>
> > Signed-off-by: Terry Bowman <terry.bowman@....com>
> 
> If Terry was a co-author of the patch, please add a Co-developed-by:
> tag for him in addition to the s-o-b.  Otherwise the meaning of his
> s-o-b is unclear.
> 
> Boris, James, any objections to the changes below?
> 
> > ---
> >  drivers/acpi/apei/hest.c | 12 ++++++++----
> >  1 file changed, 8 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
> > index 6e980fe16772..bd702e0ef339 100644
> > --- a/drivers/acpi/apei/hest.c
> > +++ b/drivers/acpi/apei/hest.c
> > @@ -49,6 +49,12 @@ static const int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = {
> >         [ACPI_HEST_TYPE_IA32_DEFERRED_CHECK] = -1,
> >  };
> >
> > +static inline bool is_ghes_type(struct acpi_hest_header *hest_hdr)
> > +{
> > +       return hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR ||
> > +              hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR_V2;

I realize that this is supposed to test whether the table point to a
generic hardware error source but everything in our code pertaining to
GHES is called, well, "ghes".

So I'd prefer to call that is_generic_error() or so.

Thx.

-- 
Regards/Gruss,
    Boris.

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