diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/mips/kernel/process.c | 3 | ||||
-rw-r--r-- | arch/mips/kernel/traps.c | 6 |
2 files changed, 4 insertions, 5 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 11cb264f59ce..2c09a442e5e5 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c | |||
@@ -77,9 +77,8 @@ void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp) | |||
77 | unsigned long status; | 77 | unsigned long status; |
78 | 78 | ||
79 | /* New thread loses kernel privileges. */ | 79 | /* New thread loses kernel privileges. */ |
80 | status = regs->cp0_status & ~(ST0_CU0|ST0_CU1|KU_MASK); | 80 | status = regs->cp0_status & ~(ST0_CU0|ST0_CU1|ST0_FR|KU_MASK); |
81 | #ifdef CONFIG_64BIT | 81 | #ifdef CONFIG_64BIT |
82 | status &= ~ST0_FR; | ||
83 | status |= test_thread_flag(TIF_32BIT_REGS) ? 0 : ST0_FR; | 82 | status |= test_thread_flag(TIF_32BIT_REGS) ? 0 : ST0_FR; |
84 | #endif | 83 | #endif |
85 | status |= KU_USER; | 84 | status |= KU_USER; |
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 23e73d0650a3..fcae66752972 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c | |||
@@ -1317,12 +1317,12 @@ void __init per_cpu_trap_init(void) | |||
1317 | #endif | 1317 | #endif |
1318 | if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV) | 1318 | if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV) |
1319 | status_set |= ST0_XX; | 1319 | status_set |= ST0_XX; |
1320 | if (cpu_has_dsp) | ||
1321 | status_set |= ST0_MX; | ||
1322 | |||
1320 | change_c0_status(ST0_CU|ST0_MX|ST0_RE|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX, | 1323 | change_c0_status(ST0_CU|ST0_MX|ST0_RE|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX, |
1321 | status_set); | 1324 | status_set); |
1322 | 1325 | ||
1323 | if (cpu_has_dsp) | ||
1324 | set_c0_status(ST0_MX); | ||
1325 | |||
1326 | #ifdef CONFIG_CPU_MIPSR2 | 1326 | #ifdef CONFIG_CPU_MIPSR2 |
1327 | if (cpu_has_mips_r2) { | 1327 | if (cpu_has_mips_r2) { |
1328 | unsigned int enable = 0x0000000f; | 1328 | unsigned int enable = 0x0000000f; |