[PATCH v3 46/57] x86: Correct handling of MADT table CPUs
Simon Glass
sjg at chromium.org
Sun Sep 6 23:43:54 CEST 2020
At present if hyperthreading is disabled the CPU numbering is not
sequential. Fix this.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
(no changes since v1)
arch/x86/lib/acpi_table.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c
index b0cc1f123e2..667059b5ace 100644
--- a/arch/x86/lib/acpi_table.c
+++ b/arch/x86/lib/acpi_table.c
@@ -66,14 +66,17 @@ int acpi_create_madt_lapics(u32 current)
{
struct udevice *dev;
int total_length = 0;
+ int cpu_num = 0;
for (uclass_find_first_device(UCLASS_CPU, &dev);
dev;
uclass_find_next_device(&dev)) {
struct cpu_platdata *plat = dev_get_parent_platdata(dev);
- int length = acpi_create_madt_lapic(
- (struct acpi_madt_lapic *)current,
- plat->cpu_id, plat->cpu_id);
+ int length;
+
+ length = acpi_create_madt_lapic(
+ (struct acpi_madt_lapic *)current, cpu_num++,
+ plat->cpu_id);
current += length;
total_length += length;
}
--
2.28.0.526.ge36021eeef-goog
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