From: "Jürgen Groß" <jgross@suse.com>
To: David Woodhouse <dwmw2@infradead.org>, x86@kernel.org
Cc: Stefano Stabellini <sstabellini@kernel.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Paul Durrant <pdurrant@amazon.com>,
jgrall@amazon.com, karahmed@amazon.de,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v4 0/5] Xen INTX/GSI event channel delivery fixes
Date: Wed, 13 Jan 2021 16:13:21 +0100 [thread overview]
Message-ID: <4d334457-e173-fa21-40f0-65f800a00cec@suse.com> (raw)
In-Reply-To: <20210113132606.422794-1-dwmw2@infradead.org>
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On 13.01.21 14:26, David Woodhouse wrote:
> Fix various breakages with INTX/GSI event channel interrupt delivery,
> and add a command line option to test it so that it hopefully doesn't
> get so broken again.
>
> Karim attempted to rip this out in 2017 but put it back because it's still
> necessary with older versions of Xen. This fixes it properly, and makes it
> easier to test. cf. https://lkml.org/lkml/2017/4/10/266
>
> v2:
> • Add no_vector_callback to Documentation/admin-guide/kernel-parameters.txt
> • Further fixes to conditional smp_ops initialisation in xen_hvm_smp_init()
>
> v3:
> • Rename test option to xen_no_vector_callback
>
> v4:
> • Fix unconditional references to xen_have_vector_callback in Arm build
>
> David Woodhouse (5):
> xen: Fix event channel callback via INTX/GSI
> xen: Set platform PCI device INTX affinity to CPU0
> x86/xen: Add xen_no_vector_callback option to test PCI INTX delivery
> x86/xen: Don't register Xen IPIs when they aren't going to be used
> x86/xen: Fix xen_hvm_smp_init() when vector callback not available
>
> Documentation/admin-guide/kernel-parameters.txt | 4 ++
> arch/arm/xen/enlighten.c | 2 +-
> arch/x86/xen/enlighten_hvm.c | 15 ++++-
> arch/x86/xen/smp_hvm.c | 27 ++++++---
> drivers/xen/events/events_base.c | 10 ---
> drivers/xen/platform-pci.c | 8 ++-
> drivers/xen/xenbus/xenbus.h | 1 +
> drivers/xen/xenbus/xenbus_comms.c | 8 ---
> drivers/xen/xenbus/xenbus_probe.c | 81 ++++++++++++++++++++-----
> include/xen/xenbus.h | 2 +-
> 10 files changed, 110 insertions(+), 48 deletions(-)
Series pushed to xen/tip.git for-linus-5.11
Juergen
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next prev parent reply other threads:[~2021-01-13 15:13 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-13 13:26 [PATCH v4 0/5] Xen INTX/GSI event channel delivery fixes David Woodhouse
2021-01-13 13:26 ` [PATCH v4 1/5] xen: Fix event channel callback via INTX/GSI David Woodhouse
2021-01-13 13:26 ` [PATCH v4 2/5] xen: Set platform PCI device INTX affinity to CPU0 David Woodhouse
2021-01-13 13:26 ` [PATCH v4 3/5] x86/xen: Add xen_no_vector_callback option to test PCI INTX delivery David Woodhouse
2021-01-13 13:26 ` [PATCH v4 4/5] x86/xen: Don't register Xen IPIs when they aren't going to be used David Woodhouse
2021-01-13 13:26 ` [PATCH v4 5/5] x86/xen: Fix xen_hvm_smp_init() when vector callback not available David Woodhouse
2021-01-13 15:13 ` Jürgen Groß [this message]
2021-01-26 17:01 ` [PATCH] xen: Fix XenStore initialisation for XS_LOCAL David Woodhouse
2021-01-26 21:36 ` Boris Ostrovsky
2021-01-27 6:57 ` Jürgen Groß
2021-01-27 8:09 ` Jürgen Groß
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