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authorDavid S. Miller <davem@davemloft.net>2018-07-20 14:45:10 -0700
committerDavid S. Miller <davem@davemloft.net>2018-07-20 21:17:12 -0700
commitc4c5551df136a7c4edd7c2f433d9a296b39826a2 (patch)
treea33d9f228efd34b0ad18e380385093405ef72d98 /arch/x86/kernel/smpboot.c
parent40999f11ce677ce3c5d0e8f5f76c40192a26b479 (diff)
parent48e5aee81f320da8abd1f09c8410f584315f59b0 (diff)
downloadlinux-c4c5551df136a7c4edd7c2f433d9a296b39826a2.tar.bz2
Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux
All conflicts were trivial overlapping changes, so reasonably easy to resolve. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r--arch/x86/kernel/smpboot.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index c2f7d1d2a5c3..db9656e13ea0 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -221,6 +221,11 @@ static void notrace start_secondary(void *unused)
#ifdef CONFIG_X86_32
/* switch away from the initial page table */
load_cr3(swapper_pg_dir);
+ /*
+ * Initialize the CR4 shadow before doing anything that could
+ * try to read it.
+ */
+ cr4_init_shadow();
__flush_tlb_all();
#endif
load_current_idt();