Commit 20e7da1b authored by Jan Beulich's avatar Jan Beulich Committed by Juergen Gross
Browse files

x86/Xen: drop leftover VM-assist uses 



Both the 4Gb-segments and the PAE-extended-CR3 one are applicable to
32-bit guests only. The PAE-extended-CR3 use, furthermore, was redundant
with the PAE_MODE ELF note anyway.

Signed-off-by: default avatarJan Beulich <jbeulich@suse.com>
Reviewed-by: default avatarJuergen Gross <jgross@suse.com>

Link: https://lore.kernel.org/r/215515af-cfb9-3237-03ba-3312e3fa0d34@suse.com


Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent 9a0450ad

arch/x86/xen/setup.c

+0 −4
Original line number Diff line number Diff line
@@ -934,12 +934,8 @@ void xen_enable_syscall(void) 


static void __init xen_pvmmu_arch_setup(void)

{

	HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_4gb_segments);

	HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_writable_pagetables);



	HYPERVISOR_vm_assist(VMASST_CMD_enable,

			     VMASST_TYPE_pae_extended_cr3);



	if (register_callback(CALLBACKTYPE_event,

			      xen_asm_exc_xen_hypervisor_callback) ||

	    register_callback(CALLBACKTYPE_failsafe, xen_failsafe_callback))