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Groups > linux.kernel > #1509045
| From | Roger Pau Monné <roger.pau@citrix.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 5/8] xen/pvh: Prevent PVH guests from using PIC, RTC and IOAPIC |
| Date | 2016-10-26 12:50 +0200 |
| Message-ID | <swtWp-2sp-19@gated-at.bofh.it> (permalink) |
| References | <ssffk-4Pd-17@gated-at.bofh.it> <ssffk-4Pd-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Oct 14, 2016 at 02:05:15PM -0400, Boris Ostrovsky wrote:
> Make sure they don't use these devices since they are not emulated
> for unprivileged PVH guest.
>
> Also don't initialize hypercall page for them in init_hvm_pv_info()
> since this has already been done.
>
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> ---
> arch/x86/xen/enlighten.c | 24 +++++++++++++++++-------
> 1 file changed, 17 insertions(+), 7 deletions(-)
>
> diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
> index d38d568..6c1a330 100644
> --- a/arch/x86/xen/enlighten.c
> +++ b/arch/x86/xen/enlighten.c
> @@ -1803,10 +1803,21 @@ static void __init init_hvm_pv_info(void)
> minor = eax & 0xffff;
> printk(KERN_INFO "Xen version %d.%d.\n", major, minor);
>
> - cpuid(base + 2, &pages, &msr, &ecx, &edx);
> + xen_domain_type = XEN_HVM_DOMAIN;
>
> - pfn = __pa(hypercall_page);
> - wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32));
> + /* PVH set up hypercall page earlier in xen_prepare_pvh() */
> + if (xen_pvh_domain()) {
> + pv_info.name = "Xen PVH";
> +#ifdef CONFIG_ACPI
> + /* No PIC or IOAPIC */
Shouldn't this be fetched from the MADT ACPI table if ACPI is available
(rsdp_paddr != 0 in start_info)?
Roger.
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[PATCH 0/8] PVH v2 support Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 20:20 +0200
[PATCH 7/8] xen/pvh: PVH guests always have PV devices Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 20:20 +0200
Re: [Xen-devel] [PATCH 7/8] xen/pvh: PVH guests always have PV devices Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2016-10-14 21:30 +0200
Re: [PATCH 7/8] xen/pvh: PVH guests always have PV devices Juergen Gross <jgross@suse.com> - 2016-10-18 18:00 +0200
[PATCH 5/8] xen/pvh: Prevent PVH guests from using PIC, RTC and IOAPIC Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 20:20 +0200
Re: [Xen-devel] [PATCH 5/8] xen/pvh: Prevent PVH guests from using PIC, RTC and IOAPIC Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2016-10-14 21:20 +0200
Re: [Xen-devel] [PATCH 5/8] xen/pvh: Prevent PVH guests from using PIC, RTC and IOAPIC Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 21:40 +0200
Re: [PATCH 5/8] xen/pvh: Prevent PVH guests from using PIC, RTC and IOAPIC Roger Pau Monné <roger.pau@citrix.com> - 2016-10-26 12:50 +0200
Re: [PATCH 5/8] xen/pvh: Prevent PVH guests from using PIC, RTC and IOAPIC Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-26 16:50 +0200
Re: [PATCH 5/8] xen/pvh: Prevent PVH guests from using PIC, RTC and IOAPIC Roger Pau Monné <roger.pau@citrix.com> - 2016-10-26 17:20 +0200
Re: [PATCH 5/8] xen/pvh: Prevent PVH guests from using PIC, RTC and IOAPIC Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-26 18:10 +0200
[PATCH 8/8] xen/pvh: Enable CPU hotplug Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 20:20 +0200
Re: [Xen-devel] [PATCH 8/8] xen/pvh: Enable CPU hotplug Andrew Cooper <andrew.cooper3@citrix.com> - 2016-10-14 20:50 +0200
Re: [Xen-devel] [PATCH 8/8] xen/pvh: Enable CPU hotplug Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 21:10 +0200
[PATCH 4/8] xen/pvh: Bootstrap PVH guest Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 20:20 +0200
Re: [Xen-devel] [PATCH 4/8] xen/pvh: Bootstrap PVH guest Andrew Cooper <andrew.cooper3@citrix.com> - 2016-10-14 20:50 +0200
Re: [Xen-devel] [PATCH 4/8] xen/pvh: Bootstrap PVH guest Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 21:00 +0200
Re: [Xen-devel] [PATCH 4/8] xen/pvh: Bootstrap PVH guest Andrew Cooper <andrew.cooper3@citrix.com> - 2016-10-14 21:20 +0200
Re: [Xen-devel] [PATCH 4/8] xen/pvh: Bootstrap PVH guest Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2016-10-14 21:20 +0200
Re: [Xen-devel] [PATCH 4/8] xen/pvh: Bootstrap PVH guest Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 21:40 +0200
[PATCH 2/8] x86/head: Refactor 32-bit pgtable setup Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 20:20 +0200
Re: [PATCH 2/8] x86/head: Refactor 32-bit pgtable setup hpa@zytor.com - 2016-10-14 20:40 +0200
Re: [PATCH 2/8] x86/head: Refactor 32-bit pgtable setup Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 20:50 +0200
Re: [PATCH 2/8] x86/head: Refactor 32-bit pgtable setup hpa@zytor.com - 2016-10-14 21:10 +0200
Re: [PATCH 2/8] x86/head: Refactor 32-bit pgtable setup Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 21:30 +0200
[PATCH 3/8] xen/pvh: Import PVH-related Xen public interfaces Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 20:20 +0200
Re: [Xen-devel] [PATCH 3/8] xen/pvh: Import PVH-related Xen public interfaces Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2016-10-14 20:40 +0200
Re: [PATCH 3/8] xen/pvh: Import PVH-related Xen public interfaces Juergen Gross <jgross@suse.com> - 2016-10-21 13:00 +0200
[PATCH 1/8] xen/x86: Remove PVH support Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-14 20:20 +0200
Re: [Xen-devel] [PATCH 1/8] xen/x86: Remove PVH support Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2016-10-14 20:40 +0200
Re: [PATCH 1/8] xen/x86: Remove PVH support Juergen Gross <jgross@suse.com> - 2016-10-18 15:50 +0200
Re: [PATCH 1/8] xen/x86: Remove PVH support Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-18 16:50 +0200
Re: [PATCH 1/8] xen/x86: Remove PVH support Juergen Gross <jgross@suse.com> - 2016-10-18 17:40 +0200
Re: [PATCH 1/8] xen/x86: Remove PVH support Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-10-18 17:50 +0200
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