RE: [RFC PATCH v4 2/3] acpi: apei: Rename ghes_severity() to ghes_cper_severity()

From: Shiju Jose
Date: Fri May 04 2018 - 07:56:20 EST


Hi Alex,

> -----Original Message-----
> From: Alexandru Gagniuc [mailto:mr.nuke.me@xxxxxxxxx]
> Sent: 30 April 2018 22:34
> To: bp@xxxxxxxxx
> Cc: alex_gagniuc@xxxxxxxxxxxx; austin_bolen@xxxxxxxx;
> shyam_iyer@xxxxxxxx; Alexandru Gagniuc; Rafael J. Wysocki; Len Brown;
> Tony Luck; Mauro Carvalho Chehab; Robert Moore; Erik Schmauss; Tyler
> Baicar; Will Deacon; James Morse; Shiju Jose; Jonathan (Zhixiong) Zhang;
> gengdongjiu; linux-acpi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> linux-edac@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx
> Subject: [RFC PATCH v4 2/3] acpi: apei: Rename ghes_severity() to
> ghes_cper_severity()
>
> ghes_severity() is a misnomer in this case, as it implies the severity
> of the entire GHES structure. Instead, it maps one CPER value to a
> monotonically increasing number. ghes_cper_severity() is clearer.
>
> Signed-off-by: Alexandru Gagniuc <mr.nuke.me@xxxxxxxxx>
> ---
> drivers/acpi/apei/ghes.c | 17 ++++++++---------
> 1 file changed, 8 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
> index f9b53a6f55f3..c9f1971333c1 100644
> --- a/drivers/acpi/apei/ghes.c
> +++ b/drivers/acpi/apei/ghes.c
> @@ -271,7 +271,7 @@ static void ghes_fini(struct ghes *ghes)
> unmap_gen_v2(ghes);
> }
>
> -static inline int ghes_severity(int severity)
> +static inline int ghes_cper_severity(int severity)

[...]
> else
> ratelimit = &ratelimit_uncorrected;
> @@ -705,9 +705,8 @@ static int ghes_proc(struct ghes *ghes)
> if (rc)
> goto out;
>
> - if (ghes_severity(ghes->estatus->error_severity) >=
> GHES_SEV_PANIC) {
> + if (ghes_cper_severity(ghes->estatus->error_severity) >=
> GHES_SEV_PANIC)
> __ghes_panic(ghes);

PCIe AER fatal errors result panic here.
I think ghes_cper_severity to be replaced with ghes_severity in the ghes_proc function as well in the patch
"acpi: apei: Do not panic() on PCIe errors reported through GHES"?
> - }
>
[...]
> 2.14.3

Thanks,
Shiju