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Re: [Xen-devel] [PATCH v3 1/2] xen/x86: cleanup unused NMI/MCE code
- To: Juergen Gross <jgross@xxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Wed, 24 Jul 2019 12:38:59 +0100
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Wed, 24 Jul 2019 11:39:15 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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On 24/07/2019 12:26, Juergen Gross wrote:
> pv_raise_interrupt() is only called for NMIs these days, so the MCE
> specific part can be removed. Rename pv_raise_interrupt() to
> pv_raise_nmi() and NMI_MCE_SOFTIRQ to NMI_SOFTIRQ.
>
> Additionally there is no need to pin the vcpu the NMI is delivered
> to, that is a leftover of (already removed) MCE handling.
This phrasing is rather awkward to read.
Can I recommend "the vcpu which the NMI" as an alternative, and also
with the comma turned into a semicolon.
> So remove
> the pinning, too. Note that pinning was introduced by commit 355b0469a8
> adding MCE support (with NMI support existing already). MCE using
> that pinning was removed with commit 3a91769d6e again without cleaning
> up the code.
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
The wording tweak can easily be made on commit.
~Andrew
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