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Re: [PATCH] xen/arm: Expose the PMU to the guests
- To: Michal Orzel <michal.orzel@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 30 Sep 2021 12:04:47 +0200
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- Cc: Ian Jackson <iwj@xxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, bertrand.marquis@xxxxxxx, Julien Grall <jgrall@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 30 Sep 2021 10:05:03 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 30.09.2021 11:26, Michal Orzel wrote:
> --- a/xen/common/domain.c
> +++ b/xen/common/domain.c
> @@ -483,7 +483,7 @@ static int sanitise_domain_config(struct
> xen_domctl_createdomain *config)
> ~(XEN_DOMCTL_CDF_hvm | XEN_DOMCTL_CDF_hap |
> XEN_DOMCTL_CDF_s3_integrity | XEN_DOMCTL_CDF_oos_off |
> XEN_DOMCTL_CDF_xs_domain | XEN_DOMCTL_CDF_iommu |
> - XEN_DOMCTL_CDF_nested_virt) )
> + XEN_DOMCTL_CDF_nested_virt | XEN_DOMCTL_CDF_pmu) )
Alongside this I think you need to reject the flag in x86 code.
Jan
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