Firmware/opensbi
8
0
Fork 0
forked from Mirrors/opensbi
Code Pull Requests Activity

sbi: sbi_domain_context: Add spinlock for updating domain assigned_harts

Browse Source 
Add spinlock protection to avoid race condition on assigned_harts
during domain context switching. Also, rename/add variables for
accessing the corresponding domain of target/current context.

Signed-off-by: Alvin Chang <alvinga@andestech.com>
Reviewed-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Alvin Chang
2024-04-16 13:02:13 +08:00
committed by Anup Patel
parent 1d89a9da64
commit 17e829129d
4 changed files with 55 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/sbi/sbi_domain.h
View File

@@ -10,6 +10,7 @@
#ifndef __SBI_DOMAIN_H__
#define __SBI_DOMAIN_H__
#include <sbi/riscv_locks.h>
#include <sbi/sbi_types.h>
#include <sbi/sbi_hartmask.h>
#include <sbi/sbi_domain_context.h>
@@ -173,6 +174,8 @@ struct sbi_domain {
* in the coldboot path
*/
struct sbi_hartmask assigned_harts;
/** Spinlock for accessing assigned_harts */
spinlock_t assigned_harts_lock;
/** Name of this domain */
char name[64];
/** Possible HARTs in this domain */