linux-kernel - Re: [External] Re: [PATCH v1] PCI: Set no io resource for bridges that behind VMD controller

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Date:   Sun, 25 Sep 2022 07:57:04 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Xiaochun XC17 Li <lixc17@...ovo.com>
Cc:     kernel test robot <lkp@...el.com>,
        Xiaochun Lee <lixiaochun.2888@....com>,
        "nirmal.patel@...ux.intel.com" <nirmal.patel@...ux.intel.com>,
        "jonathan.derrick@...ux.dev" <jonathan.derrick@...ux.dev>,
        "kbuild-all@...ts.01.org" <kbuild-all@...ts.01.org>,
        "lpieralisi@...nel.org" <lpieralisi@...nel.org>,
        "robh@...nel.org" <robh@...nel.org>, "kw@...ux.com" <kw@...ux.com>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [External] Re: [PATCH v1] PCI: Set no io resource for bridges
 that behind VMD controller

On Sun, Sep 25, 2022 at 09:52:21AM +0000, Xiaochun XC17 Li wrote:
> > -----Original Message-----
> > From: kernel test robot <lkp@...el.com>
> > Sent: Friday, September 23, 2022 11:21 PM
> > To: Xiaochun Lee <lixiaochun.2888@....com>;
> > nirmal.patel@...ux.intel.com; jonathan.derrick@...ux.dev
> > Cc: kbuild-all@...ts.01.org; lpieralisi@...nel.org; robh@...nel.org;
> > kw@...ux.com; bhelgaas@...gle.com; linux-pci@...r.kernel.org; linux-
> > kernel@...r.kernel.org; Xiaochun XC17 Li <lixc17@...ovo.com>
> > Subject: [External] Re: [PATCH v1] PCI: Set no io resource for bridges that
> > behind VMD controller
> > 
> > Hi Xiaochun,
> > 
> > Thank you for the patch! Yet something to improve:
> > 
> > [auto build test ERROR on helgaas-pci/next] [also build test ERROR on
> > linus/master v6.0-rc6 next-20220923] [If your patch is applied to the wrong
> > git tree, kindly drop us a note.
> Hi, thanks for your reply, this patch is only expected to be applied
> on x86 or x64, actually function "is_vmd()" is just defined in
> arch/x86/include/asm/pci.h, do we need to support it on arch um?

Yes, all possible Kconfig configurations must build cleanly.  You
may have to add additional ifdef tests or an is_vmd() stub.

For future reference, your email reply doesn't follow the usual Linux
mailing list style, so it is unnecessarily hard to read.  In
particular, it lacks the line that shows what you're responding to.
It would look something like this:

  On Fri, Sep 23, 2022 at 11:21PM +0800, kernel test robot wrote:

Here's a sample:
https://lore.kernel.org/r/YyGghUdcrOdrR0ep@smile.fi.intel.com

More background:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style