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Commit e5d77754 authored by Maciej W. Rozycki's avatar Maciej W. Rozycki Committed by Ralf Baechle
Browse files

[MIPS] R3000 setup for kernel_thread() 



 Match the R4000 semantics for the initial state of interrupt/kernel
status register flags for the R3000 in kernel_thread().

Signed-off-by: default avatarMaciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 0f5c9064

arch/mips/kernel/process.c

+2 −2
Original line number Diff line number Diff line
@@ -231,8 +231,8 @@ long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) 
	regs.cp0_epc = (unsigned long) kernel_thread_helper;

	regs.cp0_status = read_c0_status();

#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)

	regs.cp0_status &= ~(ST0_KUP | ST0_IEC);

	regs.cp0_status |= ST0_IEP;

	regs.cp0_status = (regs.cp0_status & ~(ST0_KUP | ST0_IEP | ST0_IEC)) |

			  ((regs.cp0_status & (ST0_KUC | ST0_IEC)) << 2);

#else

	regs.cp0_status |= ST0_EXL;

#endif