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Diffstat (limited to 'arch/x86/kernel/cpu/microcode/core.c')
-rw-r--r--arch/x86/kernel/cpu/microcode/core.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index dd9d6190b08d..08fe6e8a726e 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -465,6 +465,16 @@ static void mc_bp_resume(void)
if (uci->valid && uci->mc)
microcode_ops->apply_microcode(cpu);
+#ifdef CONFIG_X86_64
+ else if (!uci->mc)
+ /*
+ * We might resume and not have applied late microcode but still
+ * have a newer patch stashed from the early loader. We don't
+ * have it in uci->mc so we have to load it the same way we're
+ * applying patches early on the APs.
+ */
+ load_ucode_ap();
+#endif
}
static struct syscore_ops mc_syscore_ops = {