Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / arch / x86 / xen / enlighten.c

diff --git a/kernel/arch/x86/xen/enlighten.c b/kernel/arch/x86/xen/enlighten.c
index b7de78b..ffa4159 100644 (file)
--- a/kernel/arch/x86/xen/enlighten.c
+++ b/kernel/arch/x86/xen/enlighten.c
@@ -74,7 +74,6 @@
 #include <asm/mach_traps.h>
 #include <asm/mwait.h>
 #include <asm/pci_x86.h>
-#include <asm/pat.h>
 #include <asm/cpu.h>
 
 #ifdef CONFIG_ACPI
@@ -961,7 +960,7 @@ static void xen_load_sp0(struct tss_struct *tss,
        tss->x86_tss.sp0 = thread->sp0;
 }
 
-static void xen_set_iopl_mask(unsigned mask)
+void xen_set_iopl_mask(unsigned mask)
 {
        struct physdev_set_iopl set_iopl;
 
@@ -1519,7 +1518,6 @@ asmlinkage __visible void __init xen_start_kernel(void)
 {
        struct physdev_set_iopl set_iopl;
        unsigned long initrd_start = 0;
-       u64 pat;
        int rc;
 
        if (!xen_start_info)
@@ -1627,13 +1625,6 @@ asmlinkage __visible void __init xen_start_kernel(void)
                                   xen_start_info->nr_pages);
        xen_reserve_special_pages();
 
-       /*
-        * Modify the cache mode translation tables to match Xen's PAT
-        * configuration.
-        */
-       rdmsrl(MSR_IA32_CR_PAT, pat);
-       pat_init_cache_modes(pat);
-
        /* keep using Xen gdt for now; no urgent need to change it */
 
 #ifdef CONFIG_X86_32