diff options
| author | Subrata Banik <subratabanik@google.com> | 2022-07-24 11:19:04 +0530 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-07-25 10:06:18 +0000 |
| commit | fb28799ed51134ae4646306d3abe2b7f3287a0e9 (patch) | |
| tree | 01ba7db459f0a1b2cc1e22f48cd94a29893ca901 /src/cpu/x86/Kconfig | |
| parent | 4b31af493d9239147f9afc77b7703b4bba3c4a7f (diff) | |
arch/x86: Fix MAX_CPUS check proper for late X2APIC config
The X2APIC_LATE_WORKAROUND kconfig allows bringing APs in XAPIC mode initially hence, it won't work if LAPIC ID is > 0xff.
This patch ensures the MAX_CPUS logic is appropriate while selecting X2APIC_LATE_WORKAROUND kconfig from SoC.
BUG=b:219061518, b:219053812
TEST=Able to build Google/Rex.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I466e6cc568024a9dea80af21e0ebf3572e74a1f1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66110
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/cpu/x86/Kconfig')
| -rw-r--r-- | src/cpu/x86/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cpu/x86/Kconfig b/src/cpu/x86/Kconfig index 80b9a44c99..8d76638ff9 100644 --- a/src/cpu/x86/Kconfig +++ b/src/cpu/x86/Kconfig @@ -60,7 +60,7 @@ config X2APIC_RUNTIME config X2APIC_LATE_WORKAROUND prompt "Use XAPIC for AP bringup, then change to X2APIC" bool - depends on PARALLEL_MP && MAX_CPUS < 255 + depends on PARALLEL_MP && MAX_CPUS < 256 help Choose this option if the platform supports dynamic switching between XAPIC to X2APIC. The initial Application Processors (APs) are configured |