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Subject: Re: [PATCH v9 2/2] EDAC: al-mc-edac: Introduce Amazon's Annapurna Labs
 Memory Controller EDAC
To:     Borislav Petkov <bp@alien8.de>
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References: <20200728095155.18506-1-talel@amazon.com>
 <20200728095155.18506-3-talel@amazon.com> <20200815183358.GE25814@zn.tnic>
 <5d516c64-ecd8-6f36-5f95-6708fe0f3fd5@amazon.com>
 <20200816112244.GG21914@zn.tnic>
From:   "Shenhar, Talel" <talel@amazon.com>
Message-ID: <241ac8f0-964b-10d1-2d7b-eb9f435748a6@amazon.com>
Date:   Sun, 16 Aug 2020 14:35:37 +0300
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On 8/16/2020 2:22 PM, Borislav Petkov wrote:
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>
>
> On Sun, Aug 16, 2020 at 12:17:31PM +0300, Shenhar, Talel wrote:
>> Let me know what you think.
> Well, devm_al_mc_edac_free() devm_al_mc_edac_del() look like useless
> wrappers to me and can be removed and you can use edac_mc_del_mc() and
> edac_mc_free() directly. But then you need to cast them in an ugly way
> so that it builds:
>
>          ret = devm_add_action(&pdev->dev, (void (*)(void *data))edac_mc_free, mci);
>
> I guess we can leave them as is and then lift them into the EDAC core if
> someone else wants to do the same devm_* thing.
>
> al_mc_edac_get_scrub_mode() doesn't need a prefix because it is used
> only once and the compiler is simply inlining it so you can forget the
> stack trace visibility:
>
> $ readelf -s drivers/edac/al_mc_edac.ko | grep scrub
> $
>
> The others are fine, I guess, since they're function pointers and cannot be
> inlined as such so you want them prefixed:
>
> $ readelf -s drivers/edac/al_mc_edac.ko | grep al_mc_edac
>      23: 00000000     0 FILE    LOCAL  DEFAULT  ABS al_mc_edac.c
>      25: 00000000     4 FUNC    LOCAL  DEFAULT    1 devm_al_mc_edac_free
>      27: 00000004     4 FUNC    LOCAL  DEFAULT    1 devm_al_mc_edac_del
>      31: 00000124    24 FUNC    LOCAL  DEFAULT    1 al_mc_edac_irq_handler_ce
>      35: 00000260    24 FUNC    LOCAL  DEFAULT    1 al_mc_edac_irq_handler_ue
>      36: 00000278    56 FUNC    LOCAL  DEFAULT    1 al_mc_edac_check
>      37: 000002b0   680 FUNC    LOCAL  DEFAULT    1 al_mc_edac_probe
>      47: 00000000    20 FUNC    LOCAL  DEFAULT    3 al_mc_edac_driver_init
>      51: 00000000    12 FUNC    LOCAL  DEFAULT    5 al_mc_edac_driver_exit
>      53: 00000000   392 OBJECT  LOCAL  DEFAULT   16 al_mc_edac_of_match
>      59: 00000000   104 OBJECT  LOCAL  DEFAULT   20 al_mc_edac_driver
>      61: 00000000     0 FILE    LOCAL  DEFAULT  ABS al_mc_edac.mod.c
>      88: 00000000   392 OBJECT  GLOBAL DEFAULT   16 __mod_of__al_mc_edac_of_m
>
> Thx.
Thanks. shall be part of v10.
>
> --
> Regards/Gruss,
>      Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette