arm64: smp: Fix the wrong secondary core stack size

povergoing · stephanosio · commit 04caf70bfe39 · 2022-05-17T11:45:16.000+09:00
The init stack of the secondary core should use KERNEL_STACK_BUFFER + sz
Using Z_THREAD_STACK_BUFFER will calculate the wrong stack size.

Signed-off-by: Jaxson Han &lt;jaxson.han@arm.com&gt;
diff --git a/arch/arm64/core/smp.c b/arch/arm64/core/smp.c
@@ -85,7 +85,7 @@ void arch_start_cpu(int cpu_num, k_thread_stack_t *stack, int sz,
 		return;
 	}
 
-	arm64_cpu_boot_params.sp = Z_THREAD_STACK_BUFFER(stack) + sz;
+	arm64_cpu_boot_params.sp = Z_KERNEL_STACK_BUFFER(stack) + sz;
 	arm64_cpu_boot_params.fn = fn;
 	arm64_cpu_boot_params.arg = arg;
 	arm64_cpu_boot_params.cpu_num = cpu_num;

Original file line number	Diff line number	Diff line change
`@@ -85,7 +85,7 @@ void arch_start_cpu(int cpu_num, k_thread_stack_t *stack, int sz,`
`85`	`85`	`return;`
`86`	`86`	`}`
`87`	`87`
`88`		`- arm64_cpu_boot_params.sp = Z_THREAD_STACK_BUFFER(stack) + sz;`
	`88`	`+ arm64_cpu_boot_params.sp = Z_KERNEL_STACK_BUFFER(stack) + sz;`
`89`	`89`	`arm64_cpu_boot_params.fn = fn;`
`90`	`90`	`arm64_cpu_boot_params.arg = arg;`
`91`	`91`	`arm64_cpu_boot_params.cpu_num = cpu_num;`