[PATCH 04/15] MIPS: Don't use RI/XI with 32-bit kernels on 64-bit CPUs.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: David Daney <david.daney@xxxxxxxxxx>

The TLB handlers cannot handle this case, so disable it for now.

Signed-off-by: David Daney <david.daney@xxxxxxxxxx>
Signed-off-by: Andreas Herrmann <andreas.herrmann@xxxxxxxxxxxxxxxxxx>
---
 arch/mips/include/asm/cpu-features.h |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index f56cc97..01486eb 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -110,9 +110,15 @@
 #ifndef cpu_has_smartmips
 #define cpu_has_smartmips	(cpu_data[0].ases & MIPS_ASE_SMARTMIPS)
 #endif
+
 #ifndef cpu_has_rixi
-#define cpu_has_rixi		(cpu_data[0].options & MIPS_CPU_RIXI)
+# ifdef CONFIG_64BIT
+# define cpu_has_rixi		(cpu_data[0].options & MIPS_CPU_RIXI)
+# else /* CONFIG_32BIT */
+# define cpu_has_rixi		((cpu_data[0].options & MIPS_CPU_RIXI) && !cpu_has_64bits)
+# endif
 #endif
+
 #ifndef cpu_has_mmips
 # ifdef CONFIG_SYS_SUPPORTS_MICROMIPS
 #  define cpu_has_mmips		(cpu_data[0].options & MIPS_CPU_MICROMIPS)
@@ -120,6 +126,7 @@
 #  define cpu_has_mmips		0
 # endif
 #endif
+
 #ifndef cpu_has_vtag_icache
 #define cpu_has_vtag_icache	(cpu_data[0].icache.flags & MIPS_CACHE_VTAG)
 #endif
-- 
1.7.9.5



[Index of Archives]     [Linux MIPS Home]     [LKML Archive]     [Linux ARM Kernel]     [Linux ARM]     [Linux]     [Git]     [Yosemite News]     [Linux SCSI]     [Linux Hams]

  Powered by Linux