Re: [PATCH 0/7] Address most issues when building with W=1

From: Borislav Petkov
Date: Fri Sep 13 2019 - 13:53:44 EST


On Fri, Sep 13, 2019 at 11:50:25AM -0300, Mauro Carvalho Chehab wrote:
> There is a recent discussion at KS ML with regards to use W=1 as default.
>
> No idea if this will happen or not, but it doesn't hurt cleaning up W=1
> warnings from the EDAC subsystem, specially since it helps to cleanup
> a few things.
>
> This patch series addresses most of such warnings. After this series,
> there will be just two W=1 warnings:
>
> 1) i5100 EDAC driver:
>
> drivers/edac/i5100_edac.c: In function âi5100_read_logâ:
> drivers/edac/i5100_edac.c:487:11: warning: variable âecc_locâ set but not used [-Wunused-but-set-variable]
> 487 | unsigned ecc_loc = 0;
> | ^~~~~~~
>
>
> The ecc_loc contents is filled from MC data, but it is not used anywere.
> The i5100 MC is very old: the affected code was added in 2008. It should
> probably be safe to just drop the corresponding data, but, as it may
> contain some relevant info, I was a little reticent of doing that.
>
> 2) Xgene EDAC driver:
>
> drivers/edac/xgene_edac.c: In function âxgene_edac_rb_reportâ:
> drivers/edac/xgene_edac.c:1486:7: warning: variable âaddressâ set but not used [-Wunused-but-set-variable]
> 1486 | u32 address;
> | ^~~~~~~
>
> I suspect that the content of the address field should actually be used on
> at least some of the logs.

+ Khuong Dinh <khuong@xxxxxxxxxxxxxxxxxxxxxx> for that.

> I may eventually submit patches later to address the above cases, but let's
> solve first the other cases, as they all sound trivial enough.
>
> Mauro Carvalho Chehab (7):
> EDAC: i5100_edac: get rid of an unused var
> EDAC: i7300_edac: rename a kernel-doc var description
> EDAC: i7300_edac: fix a kernel-doc syntax
> EDAC: i5400_edac: print type at debug message
> EDAC: i5400_edac: get rid of some unused vars
> EDAC: sb_edac: get rid of unused vars
> EDAC: skx_common: get rid of unused type var
>
> drivers/edac/i5100_edac.c | 2 --
> drivers/edac/i5400_edac.c | 15 +++------------
> drivers/edac/i7300_edac.c | 4 ++--
> drivers/edac/sb_edac.c | 21 ++++++++-------------
> drivers/edac/skx_common.c | 5 +----
> 5 files changed, 14 insertions(+), 33 deletions(-)

Looks ok to me at a quick glance, ACK.

I've already sent the 5.4 pull request to Linus so you could queue those
after -rc1. It's not like they're urgent or so.

Thx.

--
Regards/Gruss,
Boris.

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