From: Jan Beulich <jbeulich@suse.com>
To: Wei Liu <wl@xen.org>
Cc: "Wei Liu" <liuwe@microsoft.com>, "Paul Durrant" <paul@xen.org>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"Michael Kelley" <mikelley@microsoft.com>,
"Xen Development List" <xen-devel@lists.xenproject.org>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH v4 7/7] x86/hyperv: setup VP assist page
Date: Thu, 23 Jan 2020 16:50:44 +0100 [thread overview]
Message-ID: <830a2332-81c3-eb82-b336-963d0bda0e5c@suse.com> (raw)
In-Reply-To: <20200122202343.5703-8-liuwe@microsoft.com>
On 22.01.2020 21:23, Wei Liu wrote:
> @@ -142,15 +143,40 @@ static void setup_hypercall_pcpu_arg(void)
> this_cpu(hv_vp_index) = vp_index_msr;
> }
>
> +static void setup_vp_assist(void)
> +{
> + void *mapping;
> + uint64_t val;
> +
> + mapping = this_cpu(hv_vp_assist);
> +
> + if ( !mapping )
> + {
> + mapping = alloc_xenheap_page();
> + if ( !mapping )
> + panic("Failed to allocate vp_assist page for CPU%u\n",
> + smp_processor_id());
Quite obviously the same AP/BSP related remark here as was given for
patch 5.
Jan
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prev parent reply other threads:[~2020-01-23 15:50 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-22 20:23 [Xen-devel] [PATCH v4 0/7] More Hyper-V infrastructure Wei Liu
2020-01-22 20:23 ` [Xen-devel] [PATCH v4 1/7] x86: provide executable fixmap facility Wei Liu
2020-01-22 20:56 ` Andrew Cooper
2020-01-28 15:09 ` Wei Liu
2020-01-23 11:04 ` Jan Beulich
2020-01-28 15:15 ` Wei Liu
2020-01-28 15:38 ` Jan Beulich
2020-01-29 14:42 ` Wei Liu
2020-01-29 14:59 ` Jan Beulich
2020-01-29 16:37 ` Wei Liu
2020-01-22 20:23 ` [Xen-devel] [PATCH v4 2/7] x86/hyperv: setup hypercall page Wei Liu
2020-01-22 21:31 ` Andrew Cooper
2020-01-23 10:04 ` Jan Beulich
2020-01-28 15:19 ` Wei Liu
2020-01-23 1:35 ` Michael Kelley
2020-01-28 15:20 ` Wei Liu
2020-01-23 11:18 ` Jan Beulich
2020-01-23 15:20 ` Michael Kelley
2020-01-28 15:30 ` Wei Liu
2020-01-28 15:41 ` Jan Beulich
2020-01-22 20:23 ` [Xen-devel] [PATCH v4 3/7] x86/hyperv: provide Hyper-V hypercall functions Wei Liu
2020-01-22 21:57 ` Andrew Cooper
2020-01-23 10:13 ` Jan Beulich
2020-01-29 18:25 ` Wei Liu
2020-01-23 11:28 ` Jan Beulich
2020-01-29 18:37 ` Wei Liu
2020-01-30 8:12 ` Jan Beulich
2020-01-30 11:55 ` Wei Liu
2020-01-22 20:23 ` [Xen-devel] [PATCH v4 4/7] DO NOT APPLY: x86/hyperv: issue an hypercall Wei Liu
2020-01-22 20:23 ` [Xen-devel] [PATCH v4 5/7] x86/hyperv: provide percpu hypercall input page Wei Liu
2020-01-23 15:45 ` Jan Beulich
2020-01-28 15:50 ` Wei Liu
2020-01-28 16:15 ` Jan Beulich
2020-01-28 16:52 ` Wei Liu
2020-01-22 20:23 ` [Xen-devel] [PATCH v4 6/7] x86/hyperv: retrieve vp_index from Hyper-V Wei Liu
2020-01-23 15:48 ` Jan Beulich
2020-01-28 15:55 ` Wei Liu
2020-01-28 16:18 ` Jan Beulich
2020-01-28 16:33 ` Durrant, Paul
2020-01-28 16:53 ` Wei Liu
2020-01-28 17:01 ` Durrant, Paul
2020-01-22 20:23 ` [Xen-devel] [PATCH v4 7/7] x86/hyperv: setup VP assist page Wei Liu
2020-01-22 22:05 ` Andrew Cooper
2020-01-23 15:50 ` Jan Beulich [this message]
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