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authorLinus Torvalds <torvalds@linux-foundation.org>2017-12-22 23:30:10 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-12-22 23:30:10 +0300
commit9ad95bdacaa3296460fc23e31feaead1d4ffc8b9 (patch)
treea14e319a5c2abe31aa6542ecccf0f9e9545044ef /arch/x86/xen/enlighten_pv.c
parentfca0e39b2bd2fcfea2027845df28757943d9f561 (diff)
parentb3cf8528bb21febb650a7ecbf080d0647be40b9f (diff)
downloadlinux-9ad95bdacaa3296460fc23e31feaead1d4ffc8b9.tar.xz
Merge tag 'for-linus-4.15-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross: "This contains two fixes for running under Xen: - a fix avoiding resource conflicts between adding mmio areas and memory hotplug - a fix setting NX bits in page table entries copied from Xen when running a PV guest" * tag 'for-linus-4.15-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/balloon: Mark unallocated host memory as UNUSABLE x86-64/Xen: eliminate W+X mappings
Diffstat (limited to 'arch/x86/xen/enlighten_pv.c')
-rw-r--r--arch/x86/xen/enlighten_pv.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 7beeee1443b3..c047f42552e1 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -88,6 +88,8 @@
#include "multicalls.h"
#include "pmu.h"
+#include "../kernel/cpu/cpu.h" /* get_cpu_cap() */
+
void *xen_initial_gdt;
static int xen_cpu_up_prepare_pv(unsigned int cpu);
@@ -1258,6 +1260,7 @@ asmlinkage __visible void __init xen_start_kernel(void)
__userpte_alloc_gfp &= ~__GFP_HIGHMEM;
/* Work out if we support NX */
+ get_cpu_cap(&boot_cpu_data);
x86_configure_nx();
/* Get mfn list */