[PATCH 3/3] MIPS: Loongson64: Disable exec hazard

Jiaxun Yang
2020-01-13T10:15:40Z

Loongson64 has hardware mechanism to prevent hazard issue,
so we can simply disable exec hazard in cpu-features.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
index 7dc8d75445a9..23aa8ed7cb9e 100644
--- a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
@@ -46,5 +46,6 @@
#define cpu_has_wsbh 1
#define cpu_has_ic_fills_f_dc 1
#define cpu_hwrena_impl_bits 0xc0000000
+#define cpu_has_mips_r2_exec_hazard 0

#endif /* __ASM_MACH_LOONGSON64_CPU_FEATURE_OVERRIDES_H */
--
2.24.1