From e5d77754c5e1a54f9eb61c03085d7932a0b6b738 Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Tue, 18 Sep 2007 18:49:08 +0100 Subject: [PATCH] [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: Maciej W. Rozycki Signed-off-by: Ralf Baechle --- arch/mips/kernel/process.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index e6ce943..aadd2cd 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -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 -- 2.7.4