diff options
Diffstat (limited to 'arch/mips/kernel/mips-r2-to-r6-emul.c')
| -rw-r--r-- | arch/mips/kernel/mips-r2-to-r6-emul.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c index f1d1b42..6633fa9 100644 --- a/arch/mips/kernel/mips-r2-to-r6-emul.c +++ b/arch/mips/kernel/mips-r2-to-r6-emul.c @@ -1170,6 +1170,12 @@ fpu_emul: &fault_addr); /* + * We can't allow the emulated instruction to leave any of + * the cause bits set in $fcr31. + */ + current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X; + + /* * this is a tricky issue - lose_fpu() uses LL/SC atomics * if FPU is owned and effectively cancels user level LL/SC. * So, it could be logical to don't restore FPU ownership here. |