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[MIPS] Clear ST0_RE on bootup.

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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>
This commit is contained in:
Ralf Baechle 2006-02-07 01:20:43 +00:00
parent f09678af51
commit b38c73995f
1 changed files with 1 additions and 1 deletions
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2
arch/mips/kernel/traps.c
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@ -1168,7 +1168,7 @@ void __init per_cpu_trap_init(void)
#endif #endif
if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV) if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV)
status_set |= ST0_XX; 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); status_set);
if (cpu_has_dsp) if (cpu_has_dsp)