summaryrefslogtreecommitdiff
path: root/arch/mips/kernel/cpu-probe.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2017-05-08 12:37:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-08 12:37:56 -0700
commit2d3e4866dea96b0506395b47bfefb234f2088dac (patch)
treed5c7bd97d222bef46f9d73adee8c79dbdb9f82f4 /arch/mips/kernel/cpu-probe.c
parent9c6ee01ed5bb1ee489d580eaa60d7eb5a8ede336 (diff)
parent2e5b0bd9cc6172edef502dfae28ae790f74a882e (diff)
downloadlinux-2d3e4866dea96b0506395b47bfefb234f2088dac.tar.gz
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini: "ARM: - HYP mode stub supports kexec/kdump on 32-bit - improved PMU support - virtual interrupt controller performance improvements - support for userspace virtual interrupt controller (slower, but necessary for KVM on the weird Broadcom SoCs used by the Raspberry Pi 3) MIPS: - basic support for hardware virtualization (ImgTec P5600/P6600/I6400 and Cavium Octeon III) PPC: - in-kernel acceleration for VFIO s390: - support for guests without storage keys - adapter interruption suppression x86: - usual range of nVMX improvements, notably nested EPT support for accessed and dirty bits - emulation of CPL3 CPUID faulting generic: - first part of VCPU thread request API - kvm_stat improvements" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (227 commits) kvm: nVMX: Don't validate disabled secondary controls KVM: put back #ifndef CONFIG_S390 around kvm_vcpu_kick Revert "KVM: Support vCPU-based gfn->hva cache" tools/kvm: fix top level makefile KVM: x86: don't hold kvm->lock in KVM_SET_GSI_ROUTING KVM: Documentation: remove VM mmap documentation kvm: nVMX: Remove superfluous VMX instruction fault checks KVM: x86: fix emulation of RSM and IRET instructions KVM: mark requests that need synchronization KVM: return if kvm_vcpu_wake_up() did wake up the VCPU KVM: add explicit barrier to kvm_vcpu_kick KVM: perform a wake_up in kvm_make_all_cpus_request KVM: mark requests that do not need a wakeup KVM: remove #ifndef CONFIG_S390 around kvm_vcpu_wake_up KVM: x86: always use kvm_make_request instead of set_bit KVM: add kvm_{test,clear}_request to replace {test,clear}_bit s390: kvm: Cpu model support for msa6, msa7 and msa8 KVM: x86: remove irq disablement around KVM_SET_CLOCK/KVM_GET_CLOCK kvm: better MWAIT emulation for guests KVM: x86: virtualize cpuid faulting ...
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r--arch/mips/kernel/cpu-probe.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 12422fd4af23..3382892544f0 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -289,6 +289,8 @@ static void cpu_set_fpu_opts(struct cpuinfo_mips *c)
MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6)) {
if (c->fpu_id & MIPS_FPIR_3D)
c->ases |= MIPS_ASE_MIPS3D;
+ if (c->fpu_id & MIPS_FPIR_UFRP)
+ c->options |= MIPS_CPU_UFR;
if (c->fpu_id & MIPS_FPIR_FREP)
c->options |= MIPS_CPU_FRE;
}
@@ -1003,7 +1005,8 @@ static inline unsigned int decode_guest_config3(struct cpuinfo_mips *c)
unsigned int config3, config3_dyn;
probe_gc0_config_dyn(config3, config3, config3_dyn,
- MIPS_CONF_M | MIPS_CONF3_MSA | MIPS_CONF3_CTXTC);
+ MIPS_CONF_M | MIPS_CONF3_MSA | MIPS_CONF3_ULRI |
+ MIPS_CONF3_CTXTC);
if (config3 & MIPS_CONF3_CTXTC)
c->guest.options |= MIPS_CPU_CTXTC;
@@ -1013,6 +1016,9 @@ static inline unsigned int decode_guest_config3(struct cpuinfo_mips *c)
if (config3 & MIPS_CONF3_PW)
c->guest.options |= MIPS_CPU_HTW;
+ if (config3 & MIPS_CONF3_ULRI)
+ c->guest.options |= MIPS_CPU_ULRI;
+
if (config3 & MIPS_CONF3_SC)
c->guest.options |= MIPS_CPU_SEGMENTS;
@@ -1051,7 +1057,7 @@ static inline unsigned int decode_guest_config5(struct cpuinfo_mips *c)
unsigned int config5, config5_dyn;
probe_gc0_config_dyn(config5, config5, config5_dyn,
- MIPS_CONF_M | MIPS_CONF5_MRP);
+ MIPS_CONF_M | MIPS_CONF5_MVH | MIPS_CONF5_MRP);
if (config5 & MIPS_CONF5_MRP)
c->guest.options |= MIPS_CPU_MAAR;
@@ -1061,6 +1067,9 @@ static inline unsigned int decode_guest_config5(struct cpuinfo_mips *c)
if (config5 & MIPS_CONF5_LLB)
c->guest.options |= MIPS_CPU_RW_LLB;
+ if (config5 & MIPS_CONF5_MVH)
+ c->guest.options |= MIPS_CPU_MVH;
+
if (config5 & MIPS_CONF_M)
c->guest.conf |= BIT(6);
return config5 & MIPS_CONF_M;