linux-kernel - Re: [PATCH 0/4] xen: various cleanups

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Message-ID: <83652e26-812d-8b2a-91b1-eb87b589243e@suse.com>
Date:   Tue, 7 Aug 2018 17:21:01 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
        x86@...nel.org
Cc:     hpa@...or.com, tglx@...utronix.de, mingo@...hat.com
Subject: Re: [PATCH 0/4] xen: various cleanups

On 07/08/18 16:00, Boris Ostrovsky wrote:
> On 08/07/2018 09:10 AM, Juergen Gross wrote:
>> On 17/07/18 14:01, Juergen Gross wrote:
>>> Some Xen related cleanups:
>>> - move some pv-only code from CONFIG_XEN to CONFIG_XEN_PV
>>> - use CONFIG_XEN_PVHVM in Makefile instead of #ifdef around a complete source
>>> - add SPDX identifier where missing
>>>
>>> Juergen Gross (4):
>>>   xen: move pv irq related functions under CONFIG_XEN_PV umbrella
>>>   xen: move pv specific parts of arch/x86/xen/mmu.c to mmu_pv.c
>>>   xen: link platform-pci-unplug.o only if CONFIG_XEN_PVHVM
>>>   xen: add SPDX identifier in arch/x86/xen files
>>>
>>>  arch/x86/entry/entry_32.S          |   8 +-
>>>  arch/x86/entry/entry_64.S          |   8 +-
>>>  arch/x86/xen/Makefile              |  41 ++++++--
>>>  arch/x86/xen/efi.c                 |  14 +--
>>>  arch/x86/xen/enlighten.c           |   2 +
>>>  arch/x86/xen/enlighten_hvm.c       |   2 +
>>>  arch/x86/xen/grant-table.c         |  25 +----
>>>  arch/x86/xen/mmu.c                 | 188 +------------------------------------
>>>  arch/x86/xen/mmu_pv.c              | 140 +++++++++++++++++++++++++++
>>>  arch/x86/xen/p2m.c                 |   2 +
>>>  arch/x86/xen/pci-swiotlb-xen.c     |   2 +
>>>  arch/x86/xen/platform-pci-unplug.c |  18 +---
>>>  arch/x86/xen/vdso.h                |   2 +
>>>  arch/x86/xen/xen-pvh.S             |  15 +--
>>>  include/xen/interface/memory.h     |   6 --
>>>  include/xen/xen-ops.h              | 133 +++++++++++++++++---------
>>>  16 files changed, 287 insertions(+), 319 deletions(-)
>>>
>> Boris, any objections?
> 
> 
> This series had my R-b, but I was waiting for x86 maintainers to ack the
> first patch.
> 
> But now that I looked at this again, I wonder whether
> 
> +#ifdef CONFIG_XEN
>  BUILD_INTERRUPT3(xen_hvm_callback_vector, HYPERVISOR_CALLBACK_VECTOR,
>           xen_evtchn_do_upcall)
> +#endif
> 
> 
> and
> 
> +#ifdef CONFIG_XEN
>  apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \
>      xen_hvm_callback_vector xen_evtchn_do_upcall
> +#endif
> 
> 
> should be under XEN_PVHVM

Hmm, right. Do you want to change that while committing or should I send
V2?


Juergen