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| author |   Ralf Baechle <ralf@linux-mips.org> | 2015-02-19 16:00:34 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-02-19 16:00:34 +0100 |
| commit | 661af35e5fd878f915ed05dbbfe383f64133f98c (patch) | |
| tree | 956b7efd662b682224e61060552fdcf4201101bf /arch/mips/kernel/process.c | |
| parent | MIPS: Export MSA functions used by lose_fpu(1) for KVM (diff) | |
| parent | MIPS: Add Malta QEMU 32R6 defconfig (diff) | |
| download | linux-dev-661af35e5fd878f915ed05dbbfe383f64133f98c.tar.xz linux-dev-661af35e5fd878f915ed05dbbfe383f64133f98c.zip | |
Merge branch 'mipsr6-for-3.20' of git://git.linux-mips.org/pub/scm/mchandras/linux into mips-for-linux-next
Diffstat (limited to 'arch/mips/kernel/process.c')
| -rw-r--r-- | arch/mips/kernel/process.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 4677b4c67da6..696d59e40fa4 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -581,6 +581,10 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value) if ((value & PR_FP_MODE_FRE) && cpu_has_fpu && !cpu_has_fre) return -EOPNOTSUPP; + /* FR = 0 not supported in MIPS R6 */ + if (!(value & PR_FP_MODE_FR) && cpu_has_fpu && cpu_has_mips_r6) + return -EOPNOTSUPP; + /* Save FP & vector context, then disable FPU & MSA */ if (task->signal == current->signal) lose_fpu(1); |