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-rw-r--r--arch/x86/xen/enlighten.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index a4d7b647867f..201d09a7c46b 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1473,6 +1473,18 @@ static void xen_pvh_set_cr_flags(int cpu)
1473 * X86_CR0_TS, X86_CR0_PE, X86_CR0_ET are set by Xen for HVM guests 1473 * X86_CR0_TS, X86_CR0_PE, X86_CR0_ET are set by Xen for HVM guests
1474 * (which PVH shared codepaths), while X86_CR0_PG is for PVH. */ 1474 * (which PVH shared codepaths), while X86_CR0_PG is for PVH. */
1475 write_cr0(read_cr0() | X86_CR0_MP | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM); 1475 write_cr0(read_cr0() | X86_CR0_MP | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM);
1476
1477 if (!cpu)
1478 return;
1479 /*
1480 * For BSP, PSE PGE are set in probe_page_size_mask(), for APs
1481 * set them here. For all, OSFXSR OSXMMEXCPT are set in fpu_init.
1482 */
1483 if (cpu_has_pse)
1484 set_in_cr4(X86_CR4_PSE);
1485
1486 if (cpu_has_pge)
1487 set_in_cr4(X86_CR4_PGE);
1476} 1488}
1477 1489
1478/* 1490/*