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From: Greg KH <gregkh@linuxfoundation.org>
To: Mike Travis <mike.travis@hpe.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Borislav Petkov <bp@alien8.de>,
	Christoph Hellwig <hch@infradead.org>,
	Dimitri Sivanich <dimitri.sivanich@hpe.com>,
	Russ Anderson <russ.anderson@hpe.com>,
	Hedi Berriche <hedi.berriche@hpe.com>,
	Steve Wahl <steve.wahl@hpe.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH 6/8] x86/platform/uv: Decode UVsystab Info
Date: Thu, 5 Sep 2019 18:57:01 +0200	[thread overview]
Message-ID: <20190905165701.GB2737@kroah.com> (raw)
In-Reply-To: <d0675e8f-80a2-bba4-888c-90feda085a14@hpe.com>

On Thu, Sep 05, 2019 at 09:43:57AM -0700, Mike Travis wrote:
> 
> 
> On 9/5/2019 7:47 AM, Mike Travis wrote:
> > Also, nit:
> > 
> > > --- linux.orig/arch/x86/kernel/apic/x2apic_uv_x.c
> > > +++ linux/arch/x86/kernel/apic/x2apic_uv_x.c
> > > @@ -1303,7 +1303,8 @@ static int __init decode_uv_systab(void)
> > >       struct uv_systab *st;
> > >       int i;
> > > -    if (uv_hub_info->hub_revision < UV4_HUB_REVISION_BASE)
> > > +    /* Select only UV4 (hubbed or hubless) and higher */
> > > +    if (is_uv_hubbed(-2) < uv(4) && is_uv_hubless(-2) < uv(4))
> > >           return 0;    /* No extended UVsystab required */
> > >       st = uv_systab;
> > > @@ -1554,8 +1555,19 @@ static __init int uv_system_init_hubless
> > >       /* Init kernel/BIOS interface */
> > >       rc = uv_bios_init();
> > > +    if (rc < 0) {
> > > +        pr_err("UV: BIOS init error:%d\n", rc);
> > 
> > Why isn't that function printing an error?
> > 
> > 
> > > +        return rc;
> > > +    }
> > > +
> > > +    /* Process UVsystab */
> > > +    rc = decode_uv_systab();
> > > +    if (rc < 0) {
> > > +        pr_err("UV: UVsystab decode error:%d\n", rc);
> > 
> > Same here, have the function itself print the error, makes this type of
> > stuff much cleaner.
> 
> Turns out both functions already print an error message for each instance of
> an error.  The only redundancy is the caller also printing an error with
> just the numeric error code.  Shall I remove that?

Of course you should, why would you want to see multiple error messages
for the same single error?

greg k-h

  reply	other threads:[~2019-09-05 16:57 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-05 13:02 [PATCH 0/8] x86/platform/UV: Update UV Hubless System Support Mike Travis
2019-09-05 13:02 ` [PATCH 1/8] x86/platform/uv: Save OEM_ID from ACPI MADT probe Mike Travis
2019-09-05 13:02 ` [PATCH 2/8] x86/platform/uv: Return UV Hubless System Type Mike Travis
2019-09-05 13:02 ` [PATCH 3/8] x86/platform/uv: Add return code to UV BIOS Init function Mike Travis
2019-09-05 13:02 ` [PATCH 4/8] x86/platform/uv: Setup UV functions for Hubless UV Systems Mike Travis
2019-09-05 13:02 ` [PATCH 5/8] x86/platform/uv: Add UV Hubbed/Hubless Proc FS Files Mike Travis
2019-09-05 13:02 ` [PATCH 6/8] x86/platform/uv: Decode UVsystab Info Mike Travis
2019-09-05 14:16   ` Greg KH
2019-09-05 14:47     ` Mike Travis
2019-09-05 16:43       ` Mike Travis
2019-09-05 16:57         ` Greg KH [this message]
2019-09-05 16:56       ` Greg KH
2019-09-05 21:40     ` Sasha Levin
2019-09-05 22:42       ` Mike Travis
2019-09-05 13:02 ` [PATCH 7/8] x86/platform/uv: Check EFI Boot to set reboot type Mike Travis
2019-09-05 13:03 ` [PATCH 8/8] x86/platform/uv: Account for UV Hubless in is_uvX_hub Ops Mike Travis
2019-09-10 12:07 ` [PATCH 0/8] x86/platform/UV: Update UV Hubless System Support Miguel Ojeda
2019-09-10 15:34   ` Mike Travis
2019-09-10 16:40     ` Borislav Petkov
2019-09-10 16:57       ` Mike Travis
  -- strict thread matches above, loose matches on Subject: below --
2019-09-05 18:47 Mike Travis
2019-09-05 18:47 ` [PATCH 6/8] x86/platform/uv: Decode UVsystab Info Mike Travis
2019-09-03  0:18 [PATCH 0/8] x86/platform/UV: Update UV Hubless System Support Mike Travis
2019-09-03  0:18 ` [PATCH 6/8] x86/platform/uv: Decode UVsystab Info Mike Travis
2019-09-03  6:22   ` Greg KH

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