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From: Wei Liu <wei.liu2@citrix.com>
To: Paul Durrant <paul.durrant@citrix.com>
Cc: xen-devel@lists.xenproject.org,
	"Roger Pau Monné" <roger.pau@citrix.com>,
	"Wei Liu" <wei.liu2@citrix.com>,
	"Jan Beulich" <jbeulich@suse.com>,
	"Andrew Cooper" <andrew.cooper3@citrix.com>
Subject: Re: [PATCH v3 3/9] viridian: extend init/deinit hooks into synic and time modules
Date: Thu, 31 Jan 2019 14:45:57 +0000	[thread overview]
Message-ID: <20190131144557.6ezncyeb5yqb4jbm@zion.uk.xensource.com> (raw)
In-Reply-To: <20190131104730.2085-4-paul.durrant@citrix.com>

On Thu, Jan 31, 2019 at 10:47:24AM +0000, Paul Durrant wrote:
> This patch simply adds domain and vcpu init/deinit hooks into the synic
> and time modules and wires them into viridian_[domain|vcpu]_[init|deinit]().
> Only one of the hooks is currently needed (to unmap the 'VP Assist' page)
> but subsequent patches will make use of the others.
> 
> NOTE: To perform the unmap of the VP Assist page,
>       viridian_unmap_guest_page() is now directly called in the new
>       viridian_synic_vcpu_deinit() function (which is safe even if
>       is_viridian_vcpu() evaluates to false). This replaces the slightly
>       hacky mechanism of faking a zero write to the
>       HV_X64_MSR_VP_ASSIST_PAGE MSR in viridian_cpu_deinit().
> 
> Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
> Reviewed-by: Jan Beulich <jbeulich@suse.com>

Reviewed-by: Wei Liu <wei.liu2@citrix.com>

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  reply	other threads:[~2019-01-31 14:46 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-31 10:47 [PATCH v3 0/9] viridian: implement more enlightenments Paul Durrant
2019-01-31 10:47 ` [PATCH v3 1/9] viridian: add init hooks Paul Durrant
2019-01-31 10:47 ` [PATCH v3 2/9] viridian: separately allocate domain and vcpu structures Paul Durrant
2019-01-31 10:47 ` [PATCH v3 3/9] viridian: extend init/deinit hooks into synic and time modules Paul Durrant
2019-01-31 14:45   ` Wei Liu [this message]
2019-01-31 10:47 ` [PATCH v3 4/9] viridian: add missing context save helpers " Paul Durrant
2019-01-31 10:47 ` [PATCH v3 5/9] viridian: use viridian_map/unmap_guest_page() for reference tsc page Paul Durrant
2019-01-31 10:47 ` [PATCH v3 6/9] viridian: add implementation of synthetic interrupt MSRs Paul Durrant
2019-01-31 14:46   ` Wei Liu
2019-02-25 14:12   ` Jan Beulich
2019-03-04 17:01     ` Paul Durrant
2019-01-31 10:47 ` [PATCH v3 7/9] viridian: stop directly calling viridian_time_ref_count_freeze/thaw() Paul Durrant
2019-01-31 10:47 ` [PATCH v3 8/9] viridian: add implementation of synthetic timers Paul Durrant
2019-01-31 14:46   ` Wei Liu
2019-02-25 14:54   ` Jan Beulich
2019-03-06 11:23     ` Paul Durrant
2019-03-06 11:47       ` Paul Durrant
2019-03-06 12:59         ` Jan Beulich
2019-03-06 13:03           ` Paul Durrant
2019-03-06 12:56       ` Jan Beulich
2019-03-06 13:05         ` Paul Durrant
2019-03-06 13:09           ` Paul Durrant
2019-03-06 14:38             ` Jan Beulich
2019-03-06 14:41               ` Paul Durrant
2019-01-31 10:47 ` [PATCH v3 9/9] viridian: add implementation of the HvSendSyntheticClusterIpi hypercall Paul Durrant
2019-01-31 14:46   ` Wei Liu
2019-02-25 15:00   ` Jan Beulich

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