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Re: [PATCH v3 1/7] x86/xen: remove 32-bit Xen PV guest support
- To: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- From: Jürgen Groß <jgross@xxxxxxxx>
- Date: Mon, 10 Aug 2020 06:36:31 +0200
- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>
- Delivery-date: Mon, 10 Aug 2020 04:36:56 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 09.08.20 04:01, Boris Ostrovsky wrote:
On 8/7/20 4:38 AM, Juergen Gross wrote:
void __init xen_reserve_top(void)
{
-#ifdef CONFIG_X86_32
- unsigned long top = HYPERVISOR_VIRT_START;
- struct xen_platform_parameters pp;
-
- if (HYPERVISOR_xen_version(XENVER_platform_parameters, &pp) == 0)
- top = pp.virt_start;
-
- reserve_top_address(-top);
-#endif /* CONFIG_X86_32 */
}
We should be able now to get rid of xen_reserve_top() altogether.
Oh, yes.
Other than that
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Thanks,
Juergen
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