From: Oleksandr <olekstysh@gmail.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Xen-devel <xen-devel@lists.xenproject.org>,
"Jan Beulich" <JBeulich@suse.com>,
"Roger Pau Monné" <roger.pau@citrix.com>, "Wei Liu" <wl@xen.org>,
"Ian Jackson" <iwj@xenproject.org>,
"Anthony PERARD" <anthony.perard@citrix.com>,
"Jun Nakajima" <jun.nakajima@intel.com>,
"Kevin Tian" <kevin.tian@intel.com>,
"Michał Leszczyński" <michal.leszczynski@cert.pl>,
"Tamas K Lengyel" <tamas@tklengyel.com>
Subject: Re: [PATCH v8 00/16] acquire_resource size and external IPT monitoring
Date: Mon, 1 Feb 2021 15:47:21 +0200 [thread overview]
Message-ID: <d5cc17a4-267c-3022-11e5-eb043de121a9@gmail.com> (raw)
In-Reply-To: <fceef592-e637-e985-8217-11546e088027@citrix.com>
On 01.02.21 15:07, Andrew Cooper wrote:
Hi Andrew
> On 01/02/2021 12:34, Oleksandr wrote:
>> On 30.01.21 04:58, Andrew Cooper wrote:
>>
>> Hi Andrew
>>
>>> Combined series (as they are dependent). First, the resource size
>>> fixes, and
>>> then the external IPT monitoring built on top.
>>>
>>> Posting in full for reference, but several patches are ready to go
>>> in. Those
>>> in need of review are patch 6, 8 and 12.
>>>
>>> See individual patches for changes. The major work was rebasing over
>>> the
>>> ARM/IOREQ series which moved a load of code which this series was
>>> bugfixing.
>> Looks like that some of these patches have been already merged. So I
>> preliminary tested current staging
>> (9dc687f155a57216b83b17f9cde55dd43e06b0cd x86/debug: fix page-overflow
>> bug in dbg_rw_guest_mem) on Arm *with* IOREQ enabled.
>>
>> I didn't notice any regressions with IOREQ on Arm))
> Fantastic!
>
> Tamas and I did do extended testing on the subset which got committed,
> before it went in, and it is all fixing of corner cases, rather than
> fundamentally changing how things worked.
>
>
> One query I did leave on IRC, and hasn't had an answer.
>
> What is the maximum number of vcpus in an ARM guest?
public/arch-arm.h says that current supported guest VCPUs max number is
128.
> You moved an
> x86-ism "max 128 vcpus" into common code.
Ooh, I am not sure I understand where exactly. Could you please clarify
in which patch?
>
> ~Andrew
--
Regards,
Oleksandr Tyshchenko
next prev parent reply other threads:[~2021-02-01 13:47 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-30 2:58 [PATCH v8 00/16] acquire_resource size and external IPT monitoring Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 01/16] xen/memory: Reject out-of-range resource 'frame' values Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 02/16] xen/gnttab: Rework resource acquisition Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 03/16] xen/memory: Fix acquire_resource size semantics Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 04/16] xen/memory: Improve compat XENMEM_acquire_resource handling Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 05/16] xen/memory: Indent part of acquire_resource() Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 06/16] xen/memory: Fix mapping grant tables with XENMEM_acquire_resource Andrew Cooper
2021-02-01 10:10 ` Roger Pau Monné
2021-02-01 11:11 ` Andrew Cooper
2021-02-01 12:07 ` Roger Pau Monné
2021-02-01 12:10 ` Andrew Cooper
2021-02-01 13:03 ` Jan Beulich
2021-02-01 14:04 ` Andrew Cooper
2021-02-01 14:32 ` Jan Beulich
2021-01-30 2:58 ` [PATCH v8 07/16] xen+tools: Introduce XEN_SYSCTL_PHYSCAP_vmtrace Andrew Cooper
2021-02-01 10:32 ` Roger Pau Monné
2021-01-30 2:58 ` [PATCH v8 08/16] xen/domain: Add vmtrace_size domain creation parameter Andrew Cooper
2021-02-01 10:51 ` Roger Pau Monné
2021-02-01 11:19 ` Andrew Cooper
2021-02-01 13:18 ` Jan Beulich
2021-02-01 14:22 ` Andrew Cooper
2021-02-01 14:36 ` Jan Beulich
2021-02-01 22:14 ` Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 09/16] tools/[lib]xl: Add vmtrace_buf_size parameter Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 10/16] xen/memory: Add a vmtrace_buf resource type Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 11/16] x86/vmx: Add Intel Processor Trace support Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 12/16] xen/domctl: Add XEN_DOMCTL_vmtrace_op Andrew Cooper
2021-02-01 12:01 ` Roger Pau Monné
2021-02-01 13:00 ` Andrew Cooper
2021-02-01 14:27 ` Roger Pau Monné
2021-01-30 2:58 ` [PATCH v8 13/16] tools/libxc: Add xc_vmtrace_* functions Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 14/16] tools/misc: Add xen-vmtrace tool Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 15/16] xen/vmtrace: support for VM forks Andrew Cooper
2021-01-30 2:58 ` [PATCH v8 16/16] x86/vm_event: Carry the vmtrace buffer position in vm_event Andrew Cooper
2021-02-01 9:51 ` Jan Beulich
2021-02-01 12:34 ` [PATCH v8 00/16] acquire_resource size and external IPT monitoring Oleksandr
2021-02-01 13:07 ` Andrew Cooper
2021-02-01 13:47 ` Oleksandr [this message]
2021-02-01 14:00 ` Andrew Cooper
2021-02-02 12:09 ` Oleksandr
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