GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

soc/intel/xeon_sp/cpx: Calculate number of threads based on sockets 

Assuming given system is populated with multiple CPUs of same SKUs,
calculate number of threads based on MAX_SOCKET.

This is a stop gap solution until proper way of identifying total
number of sockets is determined.

Change-Id: I7ebad3d57c47b9eeb7d727ffb21bc0a1a84734fd
Signed-off-by: Andrey Petrov <anpetrov@fb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40671
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Maxim Polyakov <max.senia.poliak@gmail.com>
This commit is contained in:
Andrey Petrov 2020-04-23 10:54:18 -07:00 committed by Andrey Petrov
parent e37d1f724a
commit 5d76958de1
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/soc/intel/xeon_sp/cpx/cpu.c
View File

@ -63,7 +63,14 @@ static int get_thread_count(void)
cpu_read_topology(&num_phys, &num_virts); cpu_read_topology(&num_phys, &num_virts);
printk(BIOS_SPEW, "Detected %u cores and %u threads\n", num_phys, num_virts); printk(BIOS_SPEW, "Detected %u cores and %u threads\n", num_phys, num_virts);
return num_virts; /*
* Currently we do not know a way to figure out how many CPUs we have total
* on multi-socketed. So we pretend all sockets are populated with CPUs with
* same thread/core fusing.
* TODO: properly figure out number of active sockets OR refactor MPinit code
* to remove requirements of having to know total number of CPUs in advance.
*/
return num_virts * CONFIG_MAX_SOCKET;
} }
static const struct mp_ops mp_ops = { static const struct mp_ops mp_ops = {