From: Juergen Gross <jgross@suse.com>
To: Ankur Arora <ankur.a.arora@oracle.com>,
linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org
Cc: pbonzini@redhat.com, boris.ostrovsky@oracle.com,
sstabellini@kernel.org, joao.m.martins@oracle.com,
konrad.wilk@oracle.com
Subject: Re: [Xen-devel] [RFC PATCH 06/16] x86/xen: add shared_info support to xenhost_t
Date: Fri, 7 Jun 2019 17:08:38 +0200 [thread overview]
Message-ID: <97d41abd-3717-1f78-4d5e-dfa74261e9c7@suse.com> (raw)
In-Reply-To: <20190509172540.12398-7-ankur.a.arora@oracle.com>
On 09.05.19 19:25, Ankur Arora wrote:
> HYPERVISOR_shared_info is used for irq/evtchn communication between the
> guest and the host. Abstract out the setup/reset in xenhost_t such that
> nested configurations can use both xenhosts simultaneously.
I have mixed feelings about this patch. Most of the shared_info stuff we
don't need for the nested case. In the end only the event channels might
be interesting, but we obviously want them not for all vcpus of the L1
hypervisor, but for those of the current guest.
So I think just drop that patch for now. We can dig it out later in case
nesting wants it again.
Juergen
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next prev parent reply other threads:[~2019-06-07 15:08 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-09 17:25 [Xen-devel] [RFC PATCH 00/16] xenhost support Ankur Arora
2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 01/16] x86/xen: add xenhost_t interface Ankur Arora
2019-06-07 15:04 ` Juergen Gross
2019-06-11 7:16 ` Ankur Arora
2019-06-14 11:52 ` Juergen Gross
2019-05-09 17:25 ` Ankur Arora
2019-05-09 17:25 ` [RFC PATCH 02/16] x86/xen: cpuid support in xenhost_t Ankur Arora
2019-05-09 17:25 ` [Xen-devel] " Ankur Arora
2019-06-12 21:09 ` Andrew Cooper
2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 03/16] x86/xen: make hypercall_page generic Ankur Arora
2019-05-09 17:25 ` Ankur Arora
2019-05-09 17:25 ` [RFC PATCH 04/16] x86/xen: hypercall support for xenhost_t Ankur Arora
2019-05-09 17:25 ` [Xen-devel] " Ankur Arora
2019-06-12 21:15 ` Andrew Cooper
2019-06-14 7:20 ` Ankur Arora
2019-06-14 7:35 ` Juergen Gross
2019-06-14 8:00 ` Andrew Cooper
2019-05-09 17:25 ` [RFC PATCH 05/16] x86/xen: add feature support in xenhost_t Ankur Arora
2019-05-09 17:25 ` [Xen-devel] " Ankur Arora
2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 06/16] x86/xen: add shared_info support to xenhost_t Ankur Arora
2019-06-07 15:08 ` Juergen Gross [this message]
2019-06-08 5:01 ` Ankur Arora
2019-05-09 17:25 ` Ankur Arora
2019-05-09 17:25 ` [RFC PATCH 07/16] x86/xen: make vcpu_info part of xenhost_t Ankur Arora
2019-05-09 17:25 ` [Xen-devel] " Ankur Arora
2019-06-14 11:53 ` Juergen Gross
2019-06-17 6:28 ` Ankur Arora
2019-05-09 17:25 ` [RFC PATCH 08/16] x86/xen: irq/upcall handling with multiple xenhosts Ankur Arora
2019-05-09 17:25 ` [Xen-devel] " Ankur Arora
2019-06-14 12:01 ` Juergen Gross
2019-05-09 17:25 ` [RFC PATCH 09/16] xen/evtchn: support evtchn in xenhost_t Ankur Arora
2019-05-09 17:25 ` [Xen-devel] " Ankur Arora
2019-06-14 12:04 ` Juergen Gross
2019-06-17 6:09 ` Ankur Arora
2019-05-09 17:25 ` [RFC PATCH 10/16] xen/balloon: support ballooning " Ankur Arora
2019-05-09 17:25 ` [Xen-devel] " Ankur Arora
2019-06-17 9:28 ` Juergen Gross
2019-06-19 2:24 ` Ankur Arora
2019-05-09 17:25 ` [RFC PATCH 11/16] xen/grant-table: make grant-table xenhost aware Ankur Arora
2019-05-09 17:25 ` [Xen-devel] " Ankur Arora
2019-06-17 9:36 ` Juergen Gross
2019-06-19 2:25 ` Ankur Arora
2019-05-09 17:25 ` [RFC PATCH 12/16] xen/xenbus: support xenbus frontend/backend with xenhost_t Ankur Arora
2019-05-09 17:25 ` [Xen-devel] " Ankur Arora
2019-06-17 9:50 ` Juergen Gross
2019-06-19 2:38 ` Ankur Arora
2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 13/16] drivers/xen: gnttab, evtchn, xenbus API changes Ankur Arora
2019-06-17 10:07 ` Juergen Gross
2019-06-19 2:55 ` Ankur Arora
2019-05-09 17:25 ` Ankur Arora
2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 14/16] xen/blk: " Ankur Arora
2019-06-17 10:14 ` Juergen Gross
2019-06-19 2:59 ` Ankur Arora
2019-05-09 17:25 ` Ankur Arora
2019-05-09 17:25 ` [RFC PATCH 15/16] xen/net: " Ankur Arora
2019-05-09 17:25 ` [Xen-devel] " Ankur Arora
2019-06-17 10:14 ` Juergen Gross
2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 16/16] xen/grant-table: host_addr fixup in mapping on xenhost_r0 Ankur Arora
2019-06-17 10:55 ` Juergen Gross
2019-06-19 3:02 ` Ankur Arora
2019-05-09 17:25 ` Ankur Arora
2019-06-07 14:51 ` [Xen-devel] [RFC PATCH 00/16] xenhost support Juergen Gross
2019-06-07 15:22 ` Joao Martins
2019-06-07 16:21 ` Juergen Gross
2019-06-08 5:50 ` Ankur Arora
2019-06-08 5:33 ` Ankur Arora
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