Re: [PATCH v2 00/10] LUO: PCI subsystem (phase I)

[Bjorn Helgaas <helgaas@kernel.org>]

On Sat, Sep 27, 2025 at 02:05:38PM -0400, Pasha Tatashin wrote:
> Hi Bjorn,
> 
> My latest submission is the following:
> https://lore.kernel.org/all/20250807014442.3829950-1-pasha.tatashin@soleen.com/
> 
> And github repo is in cover letter:
> 
> https://github.com/googleprodkernel/linux-liveupdate/tree/luo/v3
> 
> It applies cleanly against the mainline without the first three
> patches, as they were already merged.

Not sure what I'm missing.  I've tried various things but none apply
cleanly:

  $ git remote add luo https://github.com/googleprodkernel/linux-liveupdate.git
  $ git fetch luo
  From https://github.com/googleprodkernel/linux-liveupdate
   * [new branch]                hack_pci_pf_stub_demo -> luo/hack_pci_pf_stub_demo
   * [new branch]                iommu/rfc-v1          -> luo/iommu/rfc-v1
   * [new branch]                kho/v5                -> luo/kho/v5
   * [new branch]                kho/v6                -> luo/kho/v6
   * [new branch]                kho/v7                -> luo/kho/v7
   * [new branch]                kho/v8                -> luo/kho/v8
   * [new branch]                lucx/v1               -> luo/lucx/v1
   * [new branch]                luo/kho-v8            -> luo/luo/kho-v8
   * [new branch]                luo/memfd-v0.1        -> luo/luo/memfd-v0.1
   * [new branch]                luo/rfc-v1            -> luo/luo/rfc-v1
   * [new branch]                luo/rfc-v2            -> luo/luo/rfc-v2
   * [new branch]                luo/v1                -> luo/luo/v1
   * [new branch]                luo/v2                -> luo/luo/v2
   * [new branch]                luo/v3                -> luo/luo/v3
   * [new branch]                luo/v4                -> luo/luo/v4
   * [new branch]                master                -> luo/master

  $ b4 am -om/ https://lore.kernel.org/r/20250916-luo-pci-v2-0-c494053c3c08@kernel.org
  Grabbing thread from lore.kernel.org/all/20250916-luo-pci-v2-0-c494053c3c08@kernel.org/t.mbox.gz
  Analyzing 13 messages in the thread
  Looking for additional code-review trailers on lore.kernel.org
  Checking attestation on all messages, may take a moment...
  ---
    ✓ [PATCH v2 1/10] PCI/LUO: Register with Liveupdate Orchestrator
    ✓ [PATCH v2 2/10] PCI/LUO: Create requested liveupdate device list
    ✓ [PATCH v2 3/10] PCI/LUO: Forward prepare()/freeze()/cancel() callbacks to driver
    ✓ [PATCH v2 4/10] PCI/LUO: Restore state at PCI enumeration
    ✓ [PATCH v2 5/10] PCI/LUO: Forward finish callbacks to drivers
    ✓ [PATCH v2 6/10] PCI/LUO: Save and restore driver name
    ✓ [PATCH v2 7/10] PCI/LUO: Add liveupdate to pcieport driver
    ✓ [PATCH v2 8/10] PCI/LUO: Add pci_liveupdate_get_driver_data()
    ✓ [PATCH v2 9/10] PCI/LUO: Avoid write to bus master at boot
    ✓ [PATCH v2 10/10] PCI: pci-lu-stub: Add a stub driver for Live Update testing
    ---
    ✓ Signed: DKIM/kernel.org
  ---
  Total patches: 10
  ---
  Cover: m/v2_20250916_chrisl_luo_pci_subsystem_phase_i.cover
   Link: https://lore.kernel.org/r/20250916-luo-pci-v2-0-c494053c3c08@kernel.org
   Base: base-commit 9ab803064e3d1be9673d2829785a69fd0578b24e not known, ignoring
   Base: not specified
	 git am m/v2_20250916_chrisl_luo_pci_subsystem_phase_i.mbx

  $ git checkout -b wip/2509-chris-luo-pci-v2 luo/luo/rfc-v2; git am m/v2_20250916_chrisl_luo_pci_subsystem_phase_i.mbx
  Updating files: 100% (21294/21294), done.
  branch 'wip/2509-chris-luo-pci-v2' set up to track 'luo/luo/rfc-v2'.
  Switched to a new branch 'wip/2509-chris-luo-pci-v2'
  Applying: PCI/LUO: Register with Liveupdate Orchestrator
  Applying: PCI/LUO: Create requested liveupdate device list
  Applying: PCI/LUO: Forward prepare()/freeze()/cancel() callbacks to driver
  Applying: PCI/LUO: Restore state at PCI enumeration
  Applying: PCI/LUO: Forward finish callbacks to drivers
  Applying: PCI/LUO: Save and restore driver name
  error: patch failed: drivers/pci/probe.c:2714
  error: drivers/pci/probe.c: patch does not apply
  Patch failed at 0006 PCI/LUO: Save and restore driver name
  hint: Use 'git am --show-current-patch=diff' to see the failed patch
  When you have resolved this problem, run "git am --continue".
  If you prefer to skip this patch, run "git am --skip" instead.
  To restore the original branch and stop patching, run "git am --abort".

  $ git checkout -b wip/2509-chris-luo-pci-v2 luo/luo/v2; git am m/v2_20250916_chrisl_luo_pci_subsystem_phase_i.mbx
  Updating files: 100% (12217/12217), done.
  branch 'wip/2509-chris-luo-pci-v2' set up to track 'luo/luo/v2'.
  Switched to a new branch 'wip/2509-chris-luo-pci-v2'
  Applying: PCI/LUO: Register with Liveupdate Orchestrator
  error: patch failed: MAINTAINERS:14014
  error: MAINTAINERS: patch does not apply
  Patch failed at 0001 PCI/LUO: Register with Liveupdate Orchestrator
  hint: Use 'git am --show-current-patch=diff' to see the failed patch
  When you have resolved this problem, run "git am --continue".
  If you prefer to skip this patch, run "git am --skip" instead.
  To restore the original branch and stop patching, run "git am --abort".

  $ git checkout -b wip/2509-chris-luo-pci-v2 luo/luo/v3; git am m/v2_20250916_chrisl_luo_pci_subsystem_phase_i.mbx
  branch 'wip/2509-chris-luo-pci-v2' set up to track 'luo/luo/v3'.
  Switched to a new branch 'wip/2509-chris-luo-pci-v2'
  Applying: PCI/LUO: Register with Liveupdate Orchestrator
  error: patch failed: MAINTAINERS:14014
  error: MAINTAINERS: patch does not apply
  Patch failed at 0001 PCI/LUO: Register with Liveupdate Orchestrator
  hint: Use 'git am --show-current-patch=diff' to see the failed patch
  When you have resolved this problem, run "git am --continue".
  If you prefer to skip this patch, run "git am --skip" instead.
  To restore the original branch and stop patching, run "git am --abort".