diff options
| author |   Paul Burton <paul.burton@imgtec.com> | 2015-09-22 12:03:37 -0700 |
|---|---|---|
| committer |   Ralf Baechle <ralf@linux-mips.org> | 2015-11-11 08:35:54 +0100 |
| commit | cab25bc7537badea41f635a049f45408c24dff26 (patch) | |
| tree | fc5852a0d6956faea249793ce100cd4f98d8a6e3 /arch/mips/kernel | |
| parent | MIPS: Malta: Register UP SMP ops if all else fails (diff) | |
| download | linux-dev-cab25bc7537badea41f635a049f45408c24dff26.tar.xz linux-dev-cab25bc7537badea41f635a049f45408c24dff26.zip | |
MIPS: Extend hardware table walking support to MIPS64
Extend the existing support for Hardware Table Walking (HTW) to MIPS64
systems by supporting PMDs & setting the pointer size bit in PWSize,
then ceasing to blacklist HTW on MIPS64 systems.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: Joshua Kinard <kumba@gentoo.org>
Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: linux-kernel@vger.kernel.org
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Patchwork: https://patchwork.linux-mips.org/patch/11224/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 09a51d091941..6b9064499bd3 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -536,8 +536,7 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c) c->options |= MIPS_CPU_SEGMENTS; if (config3 & MIPS_CONF3_MSA) c->ases |= MIPS_ASE_MSA; - /* Only tested on 32-bit cores */ - if ((config3 & MIPS_CONF3_PW) && config_enabled(CONFIG_32BIT)) { + if (config3 & MIPS_CONF3_PW) { c->htw_seq = 0; c->options |= MIPS_CPU_HTW; } |