cpu: dont access cpu local storage using rdmsr

2026-10-31 06:28:22 +00:00 · 2024-04-29 21:26:47 -03:00
parent 43b209666f
commit 27d24f3e20
2 changed files with 8 additions and 3 deletions
@@ -130,7 +130,8 @@ arch_syscall_entry:
 	; because it's still using the user stack
 	mov cr2, rax
 	; rax can be used just fine now
-	mov rax, [gs:0x0] ; thread pointer
+	mov rax, [gs:0x0] ; cpu pointer
+	mov rax, [rax] ; thread pointer
 	mov rax, [rax] ; kernel stack top
 	xchg rsp, rax ; switch stack pointers