linux-kernel - Re: [PATCH v2] ACPI / APEI: Add is_generic

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Message-ID: <CAJZ5v0ion650GwNKG_8kiAduP9jgz1WrvHN3QiDWNfMkFH+70Q@mail.gmail.com>
Date:   Wed, 27 Jan 2021 19:03:08 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Borislav Petkov <bp@...en8.de>, Terry Bowman <terry.bowman@....com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, James Morse <james.morse@....com>,
        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 v2] ACPI / APEI: Add is_generic_error() to identify GHES sources

On Tue, Jan 26, 2021 at 11:48 PM Borislav Petkov <bp@...en8.de> wrote:
>
> On Tue, Jan 26, 2021 at 10:32:01AM -0600, Terry Bowman wrote:
> > From: Yazen Ghannam <yazen.ghannam@....com>
> >
> > Refactor duplicated GHES identity logic into is_generic_error().
> >
> > Signed-off-by: Yazen Ghannam <yazen.ghannam@....com>
> > Reviewed-by: Robert Richter <rrichter@....com>
> > Co-developed-by: Terry Bowman <terry.bowman@....com>
> > Signed-off-by: Terry Bowman <terry.bowman@....com>
> > ---
> > Changes in v2:
> >   - Rename is_ghes_type() to is_generic_error()
> >   - Add co-developed-by
> >
> >  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..f220bb00e91b 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_generic_error(struct acpi_hest_header *hest_hdr)
> > +{
> > +     return hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR ||
> > +            hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR_V2;
> > +}
> > +
> >  static int hest_esrc_len(struct acpi_hest_header *hest_hdr)
> >  {
> >       u16 hest_type = hest_hdr->type;
> > @@ -141,8 +147,7 @@ static int __init hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void
> >  {
> >       int *count = data;
> >
> > -     if (hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR ||
> > -         hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR_V2)
> > +     if (is_generic_error(hest_hdr))
> >               (*count)++;
> >       return 0;
> >  }
> > @@ -153,9 +158,7 @@ static int __init hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
> >       struct ghes_arr *ghes_arr = data;
> >       int rc, i;
> >
> > -     if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR &&
> > -         hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR_V2)
> > +     if (!is_generic_error(hest_hdr))
> >               return 0;
> >
> >       if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
> > --
>
> Acked-by: Borislav Petkov <bp@...e.de>

Applied as 5.12 material, thanks!