From: "Jan Beulich" <JBeulich@suse.com>
To: Roger Pau Monne <roger.pau@citrix.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
Wei Liu <wei.liu2@citrix.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
George Dunlap <George.Dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Ian Jackson <Ian.Jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
Julien Grall <julien.grall@arm.com>,
Paul Durrant <paul.durrant@citrix.com>,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v3 5/7] vpci: fix execution of long running operations
Date: Thu, 08 Nov 2018 06:04:11 -0700 [thread overview]
Message-ID: <5BE4344B02000078001F9A7B@prv1-mh.provo.novell.com> (raw)
In-Reply-To: <20181108124727.34nyejn4ukggd4co@mac.citrite.net>
>>> On 08.11.18 at 13:47, <roger.pau@citrix.com> wrote:
> My point would be that on x86 I think the only way to have preemptible
> long-running operations inside of Xen is to block the guest vCPU and
> run them in a tasklet, or at least this seems the less invasive one.
>
> Do you still have objections to this patch/approach?
Well, I still don't understand why you think you need to introduce
a tasklet in the first place. That's because I still don't understand
what you think is wrong with the current approach (leaving aside
the exact placement of where the vpci hook needs to be called).
Jan
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next prev parent reply other threads:[~2018-11-08 13:04 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-30 15:41 [PATCH v3 0/7] x86/pvh: fix fixes for PVH Dom0 Roger Pau Monne
2018-10-30 15:41 ` [PATCH v3 1/7] x86/pvh: fix TSC mode setup " Roger Pau Monne
2018-10-30 15:41 ` [PATCH v3 2/7] x86/hvm: introduce a define for the debug output IO port Roger Pau Monne
2018-10-31 16:36 ` Wei Liu
2018-10-30 15:41 ` [PATCH v3 3/7] x86/pvh: allow PVH Dom0 to use the debug IO port console Roger Pau Monne
2018-10-30 16:27 ` Wei Liu
2018-10-30 15:41 ` [PATCH v3 4/7] vpci: fix updating the command register Roger Pau Monne
2018-11-05 16:46 ` Jan Beulich
2018-11-07 10:47 ` Roger Pau Monné
2018-11-07 15:00 ` Jan Beulich
2018-10-30 15:41 ` [PATCH v3 5/7] vpci: fix execution of long running operations Roger Pau Monne
2018-11-05 16:56 ` Jan Beulich
2018-11-07 11:11 ` Roger Pau Monné
2018-11-07 15:06 ` Jan Beulich
2018-11-07 17:15 ` Roger Pau Monné
2018-11-08 9:55 ` Jan Beulich
2018-11-08 11:29 ` Roger Pau Monné
2018-11-08 11:42 ` Julien Grall
2018-11-08 11:44 ` Roger Pau Monné
2018-11-08 11:52 ` Julien Grall
2018-11-08 12:20 ` Roger Pau Monné
2018-11-08 12:38 ` Julien Grall
2018-11-08 12:32 ` Jan Beulich
2018-11-08 12:47 ` Roger Pau Monné
2018-11-08 13:04 ` Jan Beulich [this message]
2018-11-08 13:20 ` Roger Pau Monné
[not found] ` <791E55F8020000889527FA34@prv1-mh.provo.novell.com>
2018-11-08 16:25 ` Jan Beulich
2018-11-08 16:59 ` Roger Pau Monné
[not found] ` <E720D0C40200003B9527FA34@prv1-mh.provo.novell.com>
2018-11-09 8:02 ` Jan Beulich
2018-10-30 15:41 ` [PATCH v3 6/7] vpci/msix: carve p2m hole for MSIX MMIO regions Roger Pau Monne
2018-11-05 17:07 ` Jan Beulich
2018-11-07 11:33 ` Roger Pau Monné
2018-10-30 15:41 ` [PATCH v3 7/7] amd/pvh: enable ACPI C1E disable quirk on PVH Dom0 Roger Pau Monne
2018-10-30 16:28 ` Wei Liu
2018-10-31 17:44 ` Boris Ostrovsky
2018-11-02 9:06 ` Jan Beulich
2018-11-07 10:24 ` Roger Pau Monné
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