From: Paul Durrant <Paul.Durrant@citrix.com>
To: 'Jan Beulich' <jbeulich@suse.com>
Cc: 'Petre Pircalabu' <ppircalabu@bitdefender.com>,
'Stefano Stabellini' <sstabellini@kernel.org>,
'Wei Liu' <wl@xen.org>,
'Razvan Cojocaru' <rcojocaru@bitdefender.com>,
'Konrad Rzeszutek Wilk' <konrad.wilk@oracle.com>,
Andrew Cooper <Andrew.Cooper3@citrix.com>,
"Tim \(Xen.org\)" <tim@xen.org>,
George Dunlap <George.Dunlap@citrix.com>,
'JulienGrall' <julien.grall@arm.com>,
'Tamas K Lengyel' <tamas@tklengyel.com>,
"'xen-devel@lists.xenproject.org'"
<xen-devel@lists.xenproject.org>,
'Alexandru Isaila' <aisaila@bitdefender.com>,
Ian Jackson <Ian.Jackson@citrix.com>,
'VolodymyrBabchuk' <Volodymyr_Babchuk@epam.com>,
Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH 3/6] remove late (on-demand) construction of IOMMU page tables
Date: Thu, 29 Aug 2019 10:20:06 +0000 [thread overview]
Message-ID: <33c48f9e1bde4b179a625e1831e980cd@AMSPEX02CL03.citrite.net> (raw)
In-Reply-To: <355e06d7-06dc-14c2-7a4c-8310ea108492@suse.com>
> -----Original Message-----
> From: Jan Beulich <jbeulich@suse.com>
> Sent: 29 August 2019 10:52
> To: Paul Durrant <Paul.Durrant@citrix.com>
> Cc: 'JulienGrall' <julien.grall@arm.com>; 'Alexandru Isaila' <aisaila@bitdefender.com>; 'Petre
> Pircalabu' <ppircalabu@bitdefender.com>; 'Razvan Cojocaru' <rcojocaru@bitdefender.com>; Andrew Cooper
> <Andrew.Cooper3@citrix.com>; George Dunlap <George.Dunlap@citrix.com>; Ian Jackson
> <Ian.Jackson@citrix.com>; Roger Pau Monne <roger.pau@citrix.com>; 'VolodymyrBabchuk'
> <Volodymyr_Babchuk@epam.com>; 'Stefano Stabellini' <sstabellini@kernel.org>; 'xen-
> devel@lists.xenproject.org' <xen-devel@lists.xenproject.org>; 'Konrad Rzeszutek Wilk'
> <konrad.wilk@oracle.com>; 'Tamas K Lengyel' <tamas@tklengyel.com>; Tim (Xen.org) <tim@xen.org>; 'Wei
> Liu' <wl@xen.org>
> Subject: Re: [Xen-devel] [PATCH 3/6] remove late (on-demand) construction of IOMMU page tables
>
> On 29.08.2019 11:33, Paul Durrant wrote:
> > TBH I've seen sufficient numbers of domain create failures when using
> > auto-ballooning that I stopped using it some time ago (besides the fact
> > that it's slow). If you're happy with the simplistic
> > double-the-page-table-reservation calculation then I can add that but
> > IMO it would be better to add another patch to just remove auto-ballooning.
>
> I'd not be overly happy, but I could live with this. But this needs
> consent by others, not the least the tool stack maintainers.
>
Ok. I'll deal with that later. Looking again though, I'm not sure what you mean by 'the amount reserved for page tables'? Do you mean 'shadow_memkb' or something else?
Paul
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next prev parent reply other threads:[~2019-08-29 10:20 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 13:44 [Xen-devel] [PATCH 0/6] per-domain IOMMU control Paul Durrant
2019-07-30 13:44 ` [Xen-devel] [PATCH 1/6] domain: introduce XEN_DOMCTL_CDF_iommu Paul Durrant
2019-08-07 9:21 ` Jan Beulich
2019-08-12 12:22 ` Paul Durrant
2019-07-30 13:44 ` [Xen-devel] [PATCH 2/6] use is_iommu_enabled() where appropriate Paul Durrant
2019-08-07 9:55 ` Jan Beulich
2019-08-07 10:22 ` Julien Grall
2019-08-12 14:53 ` Paul Durrant
2019-07-30 13:44 ` [Xen-devel] [PATCH 3/6] remove late (on-demand) construction of IOMMU page tables Paul Durrant
2019-08-01 8:05 ` Alexandru Stefan ISAILA
2019-08-07 10:31 ` Jan Beulich
2019-08-12 15:41 ` Paul Durrant
2019-08-12 16:26 ` Paul Durrant
2019-08-14 9:39 ` Paul Durrant
2019-08-27 7:48 ` Jan Beulich
2019-08-29 9:33 ` Paul Durrant
2019-08-29 9:52 ` Jan Beulich
2019-08-29 10:20 ` Paul Durrant [this message]
2019-08-29 10:33 ` Jan Beulich
2019-08-27 7:47 ` Jan Beulich
2019-08-27 7:45 ` Jan Beulich
2019-08-29 9:28 ` Paul Durrant
2019-07-30 13:44 ` [Xen-devel] [PATCH 4/6] make passthrough/pci.c:deassign_device() static Paul Durrant
2019-08-06 15:54 ` Jan Beulich
2019-08-14 9:42 ` Paul Durrant
2019-07-30 13:44 ` [Xen-devel] [PATCH 5/6] iommu: tidy up iommu_us_hap_pt() and need_iommu_pt_sync() macros Paul Durrant
2019-08-07 10:41 ` Jan Beulich
2019-08-14 10:13 ` Paul Durrant
2019-08-14 10:20 ` Julien Grall
2019-08-14 10:27 ` Paul Durrant
2019-08-14 10:44 ` Julien Grall
2019-08-14 11:11 ` Paul Durrant
2019-08-14 12:28 ` Julien Grall
2019-08-14 12:35 ` Paul Durrant
2019-08-27 7:53 ` Jan Beulich
2019-07-30 13:44 ` [Xen-devel] [PATCH 6/6] introduce a 'passthrough' configuration option to xl.cfg Paul Durrant
2019-08-07 12:12 ` Jan Beulich
2019-08-14 10:40 ` Paul Durrant
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