diff options
Diffstat (limited to 'arch/loongarch/kernel/fpu.S')
| -rw-r--r-- | arch/loongarch/kernel/fpu.S | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/loongarch/kernel/fpu.S b/arch/loongarch/kernel/fpu.S index 80dccf8e39a7..d53ab10f4644 100644 --- a/arch/loongarch/kernel/fpu.S +++ b/arch/loongarch/kernel/fpu.S @@ -138,6 +138,13 @@ .macro sc_save_fcsr base, tmp0 movfcsr2gr \tmp0, fcsr0 EX st.w \tmp0, \base, 0 +#if defined(CONFIG_CPU_HAS_LBT) + /* TM bit is always 0 if LBT not supported */ + andi \tmp0, \tmp0, FPU_CSR_TM + beqz \tmp0, 1f + x86clrtm +1: +#endif .endm .macro sc_restore_fcsr base, tmp0 @@ -309,7 +316,7 @@ EXPORT_SYMBOL(_save_fp) */ SYM_FUNC_START(_restore_fp) fpu_restore_double a0 t1 # clobbers t1 - fpu_restore_csr a0 t1 + fpu_restore_csr a0 t1 t2 fpu_restore_cc a0 t1 t2 # clobbers t1, t2 jr ra SYM_FUNC_END(_restore_fp) |