arch/x86,cpu/x86,lib/thread: Remove usage of cpu_info from lib/thread

We only ever start and execute threads on the BSP. By explicitly
checking to see if the CPU is the BSP we can remove the dependency on
cpu_info. With this change we can in theory enable threads in all
stages.

BUG=b:194391185, b:179699789
TEST=Boot guybrush to OS and verify coop multithreading still works

Suggested-by: Julius Werner <jwerner@chromium.org>
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Iea4622d52c36d529e100b7ea55f32c334acfdf3e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58199
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Raul E Rangel
2021-10-08 13:10:38 -06:00
committed by Felix Held
parent 12ae850dfc
commit c2c38f5fde
6 changed files with 15 additions and 23 deletions

View File

@@ -193,7 +193,6 @@ static void asmlinkage ap_init(unsigned int cpu)
info->cpu = cpus_dev[cpu];
cpu_add_map_entry(info->index);
thread_init_cpu_info_non_bsp(info);
/* Fix up APIC id with reality. */
info->cpu->path.apic.apic_id = lapicid();