Re: [PATCH v3 1/7] x86/xen: remove 32-bit Xen PV guest support

2020-08-09 Thread Jürgen Groß
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_pa

Re: [PATCH v3 1/7] x86/xen: remove 32-bit Xen PV guest support

2020-08-08 Thread Boris Ostrovsky
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) > - t

[PATCH v3 1/7] x86/xen: remove 32-bit Xen PV guest support

2020-08-07 Thread Juergen Gross
Xen is requiring 64-bit machines today and since Xen 4.14 it can be built without 32-bit PV guest support. There is no need to carry the burden of 32-bit PV guest support in the kernel any longer, as new guests can be either HVM or PVH, or they can use a 64 bit kernel. Remove the 32-bit Xen PV sup