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

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Date:   Tue, 26 Jan 2021 17:44:54 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Terry Bowman <terry.bowman@....com>
Cc:     rjw@...ysocki.net, lenb@...nel.org, james.morse@....com,
        tony.luck@...el.com, yazen.ghannam@....com, guohanjun@...wei.com,
        colin.king@...onical.com, linux-acpi@...r.kernel.org,
        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 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>

-- 
Regards/Gruss,
    Boris.

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