The patch that adds cpu_probe_vmbits is erroneously writing to
reserved bit 12. Since we are really only probing high bits, don't
write this bit with a one.
Signed-off-by: David Daney <ddaney@xxxxxxxxxxxxxxxxxx>
CC: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx>
---
arch/mips/kernel/cpu-probe.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 2ff5f64..9ea5ca8 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -287,9 +287,9 @@ static inline int __cpu_has_fpu(void)
static inline void cpu_probe_vmbits(struct cpuinfo_mips *c)
{
#ifdef __NEED_VMBITS_PROBE
- write_c0_entryhi(0x3ffffffffffff000ULL);
+ write_c0_entryhi(0x3fffffffffffe000ULL);
back_to_back_c0_hazard();
- c->vmbits = fls64(read_c0_entryhi() & 0x3ffffffffffff000ULL);
+ c->vmbits = fls64(read_c0_entryhi() & 0x3fffffffffffe000ULL);
#endif
}
--
1.6.0.6
