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[MIPS] Clear ST0_RE on bootup.
authorRalf Baechle <ralf@linux-mips.org>
Tue, 7 Feb 2006 01:20:43 +0000 (01:20 +0000)
committerRalf Baechle <ralf@linux-mips.org>
Tue, 7 Feb 2006 13:30:26 +0000 (13:30 +0000)
The reset state is undefined and some firmware doesn't clear this bit
possibly resulting in crashes on entry into userland.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/kernel/traps.c patch | blob | blame | history

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 59a187956de028cc4812a8822aea55fcfa5d68e0..c9d2b5147ca353ccda409983df7aca3a439b4d0a 100644 (file)
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1168,7 +1168,7 @@ void __init per_cpu_trap_init(void)
 #endif
        if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV)
                status_set |= ST0_XX;
-       change_c0_status(ST0_CU|ST0_MX|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX,
+       change_c0_status(ST0_CU|ST0_MX|ST0_RE|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX,
                         status_set);
 
        if (cpu_has_dsp)