rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/arch/h8300/kernel/process.c
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@@ -45,7 +45,6 @@
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 #include <linux/uaccess.h>
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 #include <asm/traps.h>
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 #include <asm/setup.h>
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-#include <asm/pgtable.h>
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 void (*pm_power_off)(void) = NULL;
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 EXPORT_SYMBOL(pm_power_off);
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@@ -58,7 +57,7 @@
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  */
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 void arch_cpu_idle(void)
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 {
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-	local_irq_enable();
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+	raw_local_irq_enable();
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 	__asm__("sleep");
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 }
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..
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@@ -106,15 +105,14 @@
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 {
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 }
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-int copy_thread(unsigned long clone_flags,
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-		unsigned long usp, unsigned long topstk,
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-		struct task_struct *p)
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+int copy_thread(unsigned long clone_flags, unsigned long usp,
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+		unsigned long topstk, struct task_struct *p, unsigned long tls)
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 {
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 	struct pt_regs *childregs;
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 	childregs = (struct pt_regs *) (THREAD_SIZE + task_stack_page(p)) - 1;
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-	if (unlikely(p->flags & PF_KTHREAD)) {
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+	if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) {
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 		memset(childregs, 0, sizeof(struct pt_regs));
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 		childregs->retpc = (unsigned long) ret_from_kernel_thread;
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 		childregs->er4 = topstk; /* arg */
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@@ -160,11 +158,19 @@
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 	unsigned long  newsp;
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 	uintptr_t parent_tidptr;
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 	uintptr_t child_tidptr;
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+	struct kernel_clone_args kargs = {};
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 	get_user(clone_flags, &args[0]);
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 	get_user(newsp, &args[1]);
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 	get_user(parent_tidptr, &args[2]);
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 	get_user(child_tidptr, &args[3]);
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-	return do_fork(clone_flags, newsp, 0,
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-		       (int __user *)parent_tidptr, (int __user *)child_tidptr);
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+
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+	kargs.flags		= (lower_32_bits(clone_flags) & ~CSIGNAL);
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+	kargs.pidfd		= (int __user *)parent_tidptr;
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+	kargs.child_tid		= (int __user *)child_tidptr;
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+	kargs.parent_tid	= (int __user *)parent_tidptr;
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+	kargs.exit_signal	= (lower_32_bits(clone_flags) & CSIGNAL);
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+	kargs.stack		= newsp;
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+
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+	return kernel_clone(&kargs);
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 }