Re: [U-Boot] [PATCH 08/15] x86: Remove SMP limitation in lapic_setup()

[Bin Meng]

On Mon, May 23, 2016 at 8:19 AM, Simon Glass  wrote:
> On 22 May 2016 at 02:45, Bin Meng  wrote:
>> 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 
>> ---
>>
>>  arch/x86/cpu/lapic.c | 7 +--
>>  1 file changed, 1 insertion(+), 6 deletions(-)
>
> Reviewed-by: Simon Glass 

applied to u-boot-x86, thanks!
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Re: [U-Boot] [PATCH 08/15] x86: Remove SMP limitation in lapic_setup()

[Simon Glass]

On 22 May 2016 at 02:45, Bin Meng  wrote:
> 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 
> ---
>
>  arch/x86/cpu/lapic.c | 7 +--
>  1 file changed, 1 insertion(+), 6 deletions(-)

Reviewed-by: Simon Glass 
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[U-Boot] [PATCH 08/15] x86: Remove SMP limitation in lapic_setup()

[Bin Meng]

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 
---

 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 dbb32c4..fbea2d1 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);
 }
-- 
1.8.2.1

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