Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus

Pull MIPS updates from Ralf Baechle:
 "This is the main pull request for MIPS for 4.7.  Here's the summary of
  the changes:

   - ATH79: Support for DTB passuing using the UHI boot protocol
   - ATH79: Remove support for builtin DTB.
   - ATH79: Add zboot debug serial support.
   - ATH79: Add initial support for Dragino MS14 (Dragine 2), Onion Omega
            and DPT-Module.
   - ATH79: Update devicetree clock support for AR9132 and AR9331.
   - ATH79: Cleanup the DT code.
   - ATH79: Support newer SOCs in ath79_ddr_ctrl_init.
   - ATH79: Fix regression in PCI window initialization.
   - BCM47xx: Move SPROM driver to drivers/firmware/
   - BCM63xx: Enable partition parser in defconfig.
   - BMIPS: BMIPS5000 has I cache filing from D cache
   - BMIPS: BMIPS: Add cpu-feature-overrides.h
   - BMIPS: Add Whirlwind support
   - BMIPS: Adjust mips-hpt-frequency for BCM7435
   - BMIPS: Remove maxcpus from BCM97435SVMB DTS
   - BMIPS: Add missing 7038 L1 register cells to BCM7435
   - BMIPS: Various tweaks to initialization code.
   - BMIPS: Enable partition parser in defconfig.
   - BMIPS: Cache tweaks.
   - BMIPS: Add UART, I2C and SATA devices to DT.
   - BMIPS: Add BCM6358 and BCM63268support
   - BMIPS: Add device tree example for BCM6358.
   - BMIPS: Improve Improve BCM6328 and BCM6368 device trees
   - Lantiq: Add support for device tree file from boot loader
   - Lantiq: Allow build with no built-in DT.
   - Loongson 3: Reserve 32MB for RS780E integrated GPU.
   - Loongson 3: Fix build error after ld-version.sh modification
   - Loongson 3: Move chipset ACPI code from drivers to arch.
   - Loongson 3: Speedup irq processing.
   - Loongson 3: Add basic Loongson 3A support.
   - Loongson 3: Set cache flush handlers to nop.
   - Loongson 3: Invalidate special TLBs when needed.
   - Loongson 3: Fast TLB refill handler.
   - MT7620: Fallback strategy for invalid syscfg0.
   - Netlogic: Fix CP0_EBASE redefinition warnings
   - Octeon: Initialization fixes
   - Octeon: Add DTS files for the D-Link DSR-1000N and EdgeRouter Lite
   - Octeon: Enable add Octeon-drivers in cavium_octeon_defconfig
   - Octeon: Correctly handle endian-swapped initramfs images.
   - Octeon: Support CN73xx, CN75xx and CN78xx.
   - Octeon: Remove dead code from cvmx-sysinfo.
   - Octeon: Extend number of supported CPUs past 32.
   - Octeon: Remove some code limiting NR_IRQS to 255.
   - Octeon: Simplify octeon_irq_ciu_gpio_set_type.
   - Octeon: Mark some functions __init in smp.c
   - Octeon: Octeon: Add Octeon III CN7xxx interface detection
   - PIC32: Add serial driver and bindings for it.
   - PIC32: Add PIC32 deadman timer driver and bindings.
   - PIC32: Add PIC32 clock timer driver and bindings.
   - Pistachio: Determine SoC revision during boot
   - Sibyte: Fix Kconfig dependencies of SIBYTE_BUS_WATCHER.
   - Sibyte: Strip redundant comments from bcm1480_regs.h.
   - Panic immediately if panic_on_oops is set.
   - module: fix incorrect IS_ERR_VALUE macro usage.
   - module: Make consistent use of pr_*
   - Remove no longer needed work_on_cpu() call.
   - Remove CONFIG_IPV6_PRIVACY from defconfigs.
   - Fix registers of non-crashing CPUs in dumps.
   - Handle MIPSisms in new vmcore_elf32_check_arch.
   - Select CONFIG_HANDLE_DOMAIN_IRQ and make it work.
   - Allow RIXI to be used on non-R2 or R6 cores.
   - Reserve nosave data for hibernation
   - Fix siginfo.h to use strict POSIX types.
   - Don't unwind user mode with EVA.
   - Fix watchpoint restoration
   - Ptrace watchpoints for R6.
   - Sync icache when it fills from dcache
   - I6400 I-cache fills from dcache.
   - Various MSA fixes.
   - Cleanup MIPS_CPU_* definitions.
   - Signal: Move generic copy_siginfo to signal.h
   - Signal: Fix uapi include in exported asm/siginfo.h
   - Timer fixes for sake of KVM.
   - XPA TLB refill fixes.
   - Treat perf counter feature
   - Update John Crispin's email address
   - Add PIC32 watchdog and bindings.
   - Handle R10000 LL/SC bug in set_pte()
   - cpufreq: Various fixes for Longson1.
   - R6: Fix R2 emulation.
   - mathemu: Cosmetic fix to ADDIUPC emulation, plenty of other small fixes
   - ELF: ABI and FP fixes.
   - Allow for relocatable kernel and use that to support KASLR.
   - Fix CPC_BASE_ADDR mask
   - Plenty fo smp-cps, CM, R6 and M6250 fixes.
   - Make reset_control_ops const.
   - Fix kernel command line handling of leading whitespace.
   - Cleanups to cache handling.
   - Add brcm, bcm6345-l1-intc device tree bindings.
   - Use generic clkdev.h header
   - Remove CLK_IS_ROOT usage.
   - Misc small cleanups.
   - CM: Fix compilation error when !MIPS_CM
   - oprofile: Fix a preemption issue
   - Detect DSP ASE v3 support:1"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (275 commits)
  MIPS: pic32mzda: fix getting timer clock rate.
  MIPS: ath79: fix regression in PCI window initialization
  MIPS: ath79: make ath79_ddr_ctrl_init() compatible for newer SoCs
  MIPS: Fix VZ probe gas errors with binutils <2.24
  MIPS: perf: Fix I6400 event numbers
  MIPS: DEC: Export `ioasic_ssr_lock' to modules
  MIPS: MSA: Fix a link error on `_init_msa_upper' with older GCC
  MIPS: CM: Fix compilation error when !MIPS_CM
  MIPS: Fix genvdso error on rebuild
  USB: ohci-jz4740: Remove obsolete driver
  MIPS: JZ4740: Probe OHCI platform device via DT
  MIPS: JZ4740: Qi LB60: Remove support for AVT2 variant
  MIPS: pistachio: Determine SoC revision during boot
  MIPS: BMIPS: Adjust mips-hpt-frequency for BCM7435
  mips: mt7620: fallback to SDRAM when syscfg0 does not have a valid value for the memory type
  MIPS: Prevent "restoration" of MSA context in non-MSA kernels
  MIPS: cevt-r4k: Dynamically calculate min_delta_ns
  MIPS: malta-time: Take seconds into account
  MIPS: malta-time: Start GIC count before syncing to RTC
  MIPS: Force CPUs to lose FP context during mode switches
  ...

1 files changed, 21 insertions, 12 deletions

diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c
index e0e1d0a611fc..b9c52c1d35d6 100644
--- a/arch/mips/kvm/tlb.c
+++ b/arch/mips/kvm/tlb.c
@@ -49,12 +49,18 @@ EXPORT_SYMBOL_GPL(kvm_mips_is_error_pfn);
 
 uint32_t kvm_mips_get_kernel_asid(struct kvm_vcpu *vcpu)
 {
-	return vcpu->arch.guest_kernel_asid[smp_processor_id()] & ASID_MASK;
+	int cpu = smp_processor_id();
+
+	return vcpu->arch.guest_kernel_asid[cpu] &
+			cpu_asid_mask(&cpu_data[cpu]);
 }
 
 uint32_t kvm_mips_get_user_asid(struct kvm_vcpu *vcpu)
 {
-	return vcpu->arch.guest_user_asid[smp_processor_id()] & ASID_MASK;
+	int cpu = smp_processor_id();
+
+	return vcpu->arch.guest_user_asid[cpu] &
+			cpu_asid_mask(&cpu_data[cpu]);
 }
 
 inline uint32_t kvm_mips_get_commpage_asid(struct kvm_vcpu *vcpu)
@@ -78,7 +84,8 @@ void kvm_mips_dump_host_tlbs(void)
 	old_pagemask = read_c0_pagemask();
 
 	kvm_info("HOST TLBs:\n");
-	kvm_info("ASID: %#lx\n", read_c0_entryhi() & ASID_MASK);
+	kvm_info("ASID: %#lx\n", read_c0_entryhi() &
+		 cpu_asid_mask(&current_cpu_data));
 
 	for (i = 0; i < current_cpu_data.tlbsize; i++) {
 		write_c0_index(i);
@@ -564,15 +571,15 @@ void kvm_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu,
 {
 	unsigned long asid = asid_cache(cpu);
 
-	asid += ASID_INC;
-	if (!(asid & ASID_MASK)) {
+	asid += cpu_asid_inc();
+	if (!(asid & cpu_asid_mask(&cpu_data[cpu]))) {
 		if (cpu_has_vtag_icache)
 			flush_icache_all();
 
 		kvm_local_flush_tlb_all();      /* start new asid cycle */
 
 		if (!asid)      /* fix version if needed */
-			asid = ASID_FIRST_VERSION;
+			asid = asid_first_version(cpu);
 	}
 
 	cpu_context(cpu, mm) = asid_cache(cpu) = asid;
@@ -627,6 +634,7 @@ static void kvm_mips_migrate_count(struct kvm_vcpu *vcpu)
 /* Restore ASID once we are scheduled back after preemption */
 void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 {
+	unsigned long asid_mask = cpu_asid_mask(&cpu_data[cpu]);
 	unsigned long flags;
 	int newasid = 0;
 
@@ -637,7 +645,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 	local_irq_save(flags);
 
 	if ((vcpu->arch.guest_kernel_asid[cpu] ^ asid_cache(cpu)) &
-							ASID_VERSION_MASK) {
+						asid_version_mask(cpu)) {
 		kvm_get_new_mmu_context(&vcpu->arch.guest_kernel_mm, cpu, vcpu);
 		vcpu->arch.guest_kernel_asid[cpu] =
 		    vcpu->arch.guest_kernel_mm.context.asid[cpu];
@@ -672,7 +680,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 		 */
 		if (current->flags & PF_VCPU) {
 			write_c0_entryhi(vcpu->arch.
-					 preempt_entryhi & ASID_MASK);
+					 preempt_entryhi & asid_mask);
 			ehb();
 		}
 	} else {
@@ -687,11 +695,11 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 			if (KVM_GUEST_KERNEL_MODE(vcpu))
 				write_c0_entryhi(vcpu->arch.
 						 guest_kernel_asid[cpu] &
-						 ASID_MASK);
+						 asid_mask);
 			else
 				write_c0_entryhi(vcpu->arch.
 						 guest_user_asid[cpu] &
-						 ASID_MASK);
+						 asid_mask);
 			ehb();
 		}
 	}
@@ -721,7 +729,7 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
 	kvm_mips_callbacks->vcpu_get_regs(vcpu);
 
 	if (((cpu_context(cpu, current->mm) ^ asid_cache(cpu)) &
-	     ASID_VERSION_MASK)) {
+	     asid_version_mask(cpu))) {
 		kvm_debug("%s: Dropping MMU Context:  %#lx\n", __func__,
 			  cpu_context(cpu, current->mm));
 		drop_mmu_context(current->mm, cpu);
@@ -748,7 +756,8 @@ uint32_t kvm_get_inst(uint32_t *opc, struct kvm_vcpu *vcpu)
 			inst = *(opc);
 		} else {
 			vpn2 = (unsigned long) opc & VPN2_MASK;
-			asid = kvm_read_c0_guest_entryhi(cop0) & ASID_MASK;
+			asid = kvm_read_c0_guest_entryhi(cop0) &
+						KVM_ENTRYHI_ASID;
 			index = kvm_mips_guest_tlb_lookup(vcpu, vpn2 | asid);
 			if (index < 0) {
 				kvm_err("%s: get_user_failed for %p, vcpu: %p, ASID: %#lx\n",