From aaaa55751ab1e5a5cfa0962d604593a7e6f33ff6 Mon Sep 17 00:00:00 2001
From: Bin Meng <bmeng.cn@gmail.com>
Date: Sun, 22 May 2016 01:45:32 -0700
Subject: [PATCH] x86: Remove SMP limitation in lapic_setup()
At present LAPIC is enabled and configured as virtual wire mode
in lapic_setup() only when CONFIG_SMP is on. This limitation is
however not necessary as for uniprocessor this is still needed.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
arch/x86/cpu/lapic.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/arch/x86/cpu/lapic.c b/arch/x86/cpu/lapic.c
index dbb32c4447..fbea2d1572 100644
--- a/arch/x86/cpu/lapic.c
+++ b/arch/x86/cpu/lapic.c
@@ -124,7 +124,6 @@ int lapic_remote_read(int apicid, int reg, unsigned long *pvalue)
void lapic_setup(void)
{
-#ifdef CONFIG_SMP
/* Only Pentium Pro and later have those MSR stuff */
debug("Setting up local apic: ");
@@ -154,11 +153,7 @@ void lapic_setup(void)
LAPIC_DELIVERY_MODE_NMI));
debug("apic_id: 0x%02lx, ", lapicid());
-#else /* !CONFIG_SMP */
- /* Only Pentium Pro and later have those MSR stuff */
- debug("Disabling local apic: ");
- disable_lapic();
-#endif /* CONFIG_SMP */
+
debug("done.\n");
post_code(POST_LAPIC);
}
--
2.39.5