On Mon, 2010-02-08 at 15:27 -0500, David Daney wrote:
> 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>
Signed-off-by: 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
> }
>
