linux-kernel - Re: [PATCH v7 6/8] PCI/VGA: Introduce is_boot_device function callback to vga_client

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Message-ID: <20230630174156.GA487980@bhelgaas>
Date:   Fri, 30 Jun 2023 12:41:56 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     suijingfeng <suijingfeng@...ngson.cn>
Cc:     "Limonciello, Mario" <Mario.Limonciello@....com>,
        "15330273260@....cn" <15330273260@....cn>,
        "linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
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        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "nouveau@...ts.freedesktop.org" <nouveau@...ts.freedesktop.org>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "Chai, Thomas" <YiPeng.Chai@....com>,
        "Gao, Likun" <Likun.Gao@....com>, David Airlie <airlied@...il.com>,
        Ville Syrjala <ville.syrjala@...ux.intel.com>,
        Yi Liu <yi.l.liu@...el.com>, Karol Herbst <kherbst@...hat.com>,
        "amd-gfx@...ts.freedesktop.org" <amd-gfx@...ts.freedesktop.org>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Ben Skeggs <bskeggs@...hat.com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        Kevin Tian <kevin.tian@...el.com>,
        "Lazar, Lijo" <Lijo.Lazar@....com>,
        Daniel Vetter <daniel@...ll.ch>,
        "Zhang, Bokun" <Bokun.Zhang@....com>,
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        Abhishek Sahu <abhsahu@...dia.com>,
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        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
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        Thomas Zimmermann <tzimmermann@...e.de>,
        "Deucher, Alexander" <Alexander.Deucher@....com>,
        "Koenig, Christian" <Christian.Koenig@....com>,
        "Zhang, Hawking" <Hawking.Zhang@....com>
Subject: Re: [PATCH v7 6/8] PCI/VGA: Introduce is_boot_device function
 callback to vga_client_register

On Fri, Jun 30, 2023 at 10:14:11AM +0800, suijingfeng wrote:
> On 2023/6/30 01:44, Limonciello, Mario wrote:
> > > On 2023/6/29 23:54, Bjorn Helgaas wrote:
> > > > On Thu, Jun 22, 2023 at 01:08:15PM +0800, Sui Jingfeng wrote:

> > > > 4) Right now we're in the middle of the v6.5 merge window, so new
> > > >      content, e.g., this series, is too late for v6.5.  Most
> > > >      maintainers, including me, wait to merge new content until the
> > > >      merge window closes and a new -rc1 is tagged.  This merge window
> > > >      should close on July 9, and people will start merging content for
> > > >      v6.6, typically based on v6.5-rc1.
> > > 
> > > Would you will merge all of the patches in this series (e.g. including
> > > the patch for drm/amdgpu(7/8) and drm/radeon(8/8)) ?
> > > 
> > > Or just part of them?

The bulk of this series is drivers/pci changes, so typically I would
merge all the patches after getting Acked-by tags from the other
subsystems (DRM and VFIO).

> Is it possible to merge the PCI/VGA part as fast as possible,
> especially the PATCH-0006 PCI/VGA: Introduce is_boot_device function
> callback to vga_client_register

We're in the middle of the v6.5 merge window, so it's too late to add
things to v6.5-rc1.  The most likely path for new material like this
would be to queue it for v6.6, which means I would merge it after
v6.5-rc1 is tagged (that tag will probably happen on July 9).

It would then be in -next until the v6.6 merge window opens (likely in
September), when it would be merged into Linus' tree.

If the series fixes a regression or other major defect, it's
*possible* to merge things earlier, so they appear in v6.5.  But this
series doesn't seem to fall in that category, so I think v6.6 is a
more realistic target.

Merging for v6.6 would include both the PCI parts and the DRM parts at
the same time, so hopefully that addresses your dependency concerns.

I suggest that you wait until v6.5-rc1, rebase your patches so they
apply cleanly on that tag, collect all the Reviewed-by and Acked-by
tags, include them in your commit logs, and then repost them.

Bjorn