GitHub-Mirror/u-boot
2
0
Fork 0
mirror of https://github.com/Fishwaldo/u-boot.git synced 2025-04-13 18:01:32 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

x86: Remove SMP limitation in lapic_setup()

Browse source 
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>
This commit is contained in:
Bin Meng 2016-05-22 01:45:32 -07:00
parent 3299be2479
commit aaaa55751a
1 changed files with 1 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
arch/x86/cpu/lapic.c
View file

@ -124,7 +124,6 @@ int lapic_remote_read(int apicid, int reg, unsigned long *pvalue)
void lapic_setup(void) void lapic_setup(void)
{ {
#ifdef CONFIG_SMP
/* Only Pentium Pro and later have those MSR stuff */ /* Only Pentium Pro and later have those MSR stuff */
debug("Setting up local apic: "); debug("Setting up local apic: ");
@ -154,11 +153,7 @@ void lapic_setup(void)
LAPIC_DELIVERY_MODE_NMI)); LAPIC_DELIVERY_MODE_NMI));
debug("apic_id: 0x%02lx, ", lapicid()); 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"); debug("done.\n");
post_code(POST_LAPIC); post_code(POST_LAPIC);
} }