diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2021-10-16 18:12:53 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2022-02-05 07:46:50 +0000 |
| commit | ceaf959678905f44a54a116f37bd15acab5d4608 (patch) | |
| tree | 4f58424657505a2794320e115cbab58d4eb54e2d /src/include/cpu/x86/lapic.h | |
| parent | 2c079fce45e14f853bcc86a836b9b92e26555175 (diff) | |
cpu/x86/lapic: Unconditionally use CPUID leaf 0xb if available
Even when we're not in X2APIC mode, the information in CPUID
leaf 0xb will be valid if that leaf is implemented on the CPU.
Change-Id: I0f1f46fe5091ebeab6dfb4c7e151150cf495d0cb
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58386
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/include/cpu/x86/lapic.h')
| -rw-r--r-- | src/include/cpu/x86/lapic.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/cpu/x86/lapic.h b/src/include/cpu/x86/lapic.h index 05d096e318..537fa97afe 100644 --- a/src/include/cpu/x86/lapic.h +++ b/src/include/cpu/x86/lapic.h @@ -126,7 +126,7 @@ static __always_inline int lapic_busy(void) static __always_inline unsigned int initial_lapicid(void) { uint32_t lapicid; - if (is_x2apic_mode() && cpuid_get_max_func() >= 0xb) + if (cpuid_get_max_func() >= 0xb) lapicid = cpuid_ext(0xb, 0).edx; else lapicid = cpuid_ebx(1) >> 24; |