Kernel: Remove unnecessary stack pointer loading

Any time I started a thread I was loading the stack pointer which is already correctly passed :D
2026-04-04 22:50:58 +03:00
parent a29681a524
commit 9d83424346
5 changed files with 2 additions and 26 deletions
--- a/kernel/arch/x86_64/Syscall.S
+++ b/kernel/arch/x86_64/Syscall.S
@@ -33,7 +33,7 @@ sys_fork_trampoline:

 	call read_ip
 	testq %rax, %rax
-	je .done
+	jz .done

 	movq %rax, %rsi
 	movq %rsp, %rdi
--- a/kernel/arch/x86_64/Thread.S
+++ b/kernel/arch/x86_64/Thread.S
@@ -7,9 +7,6 @@ read_ip:
 # void start_kernel_thread()
 .global start_kernel_thread
 start_kernel_thread:
-	call get_thread_start_sp
-	movq %rax, %rsp
-
 	# STACK LAYOUT
 	#   on_exit arg
 	#   on_exit func
@@ -27,9 +24,5 @@ start_kernel_thread:

 .global start_userspace_thread
 start_userspace_thread:
-	call get_thread_start_sp
-	movq %rax, %rsp
-
 	swapgs
-
 	iretq