diff options
Diffstat (limited to 'arch/powerpc/kvm')
28 files changed, 69 insertions, 156 deletions
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index f53997a8ca62..711fca9bc6f0 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -38,6 +38,7 @@ config KVM_BOOK3S_32_HANDLER config KVM_BOOK3S_64_HANDLER bool select KVM_BOOK3S_HANDLER + select PPC_DAWR_FORCE_ENABLE config KVM_BOOK3S_PR_POSSIBLE bool @@ -183,9 +184,9 @@ config KVM_MPIC select HAVE_KVM_MSI help Enable support for emulating MPIC devices inside the - host kernel, rather than relying on userspace to emulate. - Currently, support is limited to certain versions of - Freescale's MPIC implementation. + host kernel, rather than relying on userspace to emulate. + Currently, support is limited to certain versions of + Freescale's MPIC implementation. config KVM_XICS bool "KVM in-kernel XICS emulation" diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index ac5664845aca..9524d92bc45d 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2009. SUSE Linux Products GmbH. All rights reserved. * @@ -8,10 +9,6 @@ * Description: * This file is derived from arch/powerpc/kvm/44x.c, * by Hollis Blanchard <hollisb@us.ibm.com>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kvm_host.h> diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c index f55ef071883f..2d415c36a61d 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_radix.c +++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c @@ -1,7 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. * * Copyright 2016 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> */ @@ -363,12 +361,6 @@ static void kvmppc_pte_free(pte_t *ptep) kmem_cache_free(kvm_pte_cache, ptep); } -/* Like pmd_huge() and pmd_large(), but works regardless of config options */ -static inline int pmd_is_leaf(pmd_t pmd) -{ - return !!(pmd_val(pmd) & _PAGE_PTE); -} - static pmd_t *kvmppc_pmd_alloc(void) { return kmem_cache_alloc(kvm_pmd_cache, GFP_KERNEL); @@ -489,7 +481,7 @@ static void kvmppc_unmap_free_pud(struct kvm *kvm, pud_t *pud, for (iu = 0; iu < PTRS_PER_PUD; ++iu, ++p) { if (!pud_present(*p)) continue; - if (pud_huge(*p)) { + if (pud_is_leaf(*p)) { pud_clear(p); } else { pmd_t *pmd; @@ -588,7 +580,7 @@ int kvmppc_create_pte(struct kvm *kvm, pgd_t *pgtable, pte_t pte, new_pud = pud_alloc_one(kvm->mm, gpa); pmd = NULL; - if (pud && pud_present(*pud) && !pud_huge(*pud)) + if (pud && pud_present(*pud) && !pud_is_leaf(*pud)) pmd = pmd_offset(pud, gpa); else if (level <= 1) new_pmd = kvmppc_pmd_alloc(); @@ -611,7 +603,7 @@ int kvmppc_create_pte(struct kvm *kvm, pgd_t *pgtable, pte_t pte, new_pud = NULL; } pud = pud_offset(pgd, gpa); - if (pud_huge(*pud)) { + if (pud_is_leaf(*pud)) { unsigned long hgpa = gpa & PUD_MASK; /* Check if we raced and someone else has set the same thing */ diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c index 5bf05cc774e2..e99a14798ab0 100644 --- a/arch/powerpc/kvm/book3s_64_vio.c +++ b/arch/powerpc/kvm/book3s_64_vio.c @@ -19,6 +19,7 @@ #include <linux/anon_inodes.h> #include <linux/iommu.h> #include <linux/file.h> +#include <linux/mm.h> #include <asm/kvm_ppc.h> #include <asm/kvm_book3s.h> @@ -45,43 +46,6 @@ static unsigned long kvmppc_stt_pages(unsigned long tce_pages) return tce_pages + ALIGN(stt_bytes, PAGE_SIZE) / PAGE_SIZE; } -static long kvmppc_account_memlimit(unsigned long stt_pages, bool inc) -{ - long ret = 0; - - if (!current || !current->mm) - return ret; /* process exited */ - - down_write(¤t->mm->mmap_sem); - - if (inc) { - unsigned long locked, lock_limit; - - locked = current->mm->locked_vm + stt_pages; - lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT; - if (locked > lock_limit && !capable(CAP_IPC_LOCK)) - ret = -ENOMEM; - else - current->mm->locked_vm += stt_pages; - } else { - if (WARN_ON_ONCE(stt_pages > current->mm->locked_vm)) - stt_pages = current->mm->locked_vm; - - current->mm->locked_vm -= stt_pages; - } - - pr_debug("[%d] RLIMIT_MEMLOCK KVM %c%ld %ld/%ld%s\n", current->pid, - inc ? '+' : '-', - stt_pages << PAGE_SHIFT, - current->mm->locked_vm << PAGE_SHIFT, - rlimit(RLIMIT_MEMLOCK), - ret ? " - exceeded" : ""); - - up_write(¤t->mm->mmap_sem); - - return ret; -} - static void kvm_spapr_tce_iommu_table_free(struct rcu_head *head) { struct kvmppc_spapr_tce_iommu_table *stit = container_of(head, @@ -291,7 +255,7 @@ static int kvm_spapr_tce_release(struct inode *inode, struct file *filp) kvm_put_kvm(stt->kvm); - kvmppc_account_memlimit( + account_locked_vm(current->mm, kvmppc_stt_pages(kvmppc_tce_pages(stt->size)), false); call_rcu(&stt->rcu, release_spapr_tce_table); @@ -316,7 +280,7 @@ long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, return -EINVAL; npages = kvmppc_tce_pages(size); - ret = kvmppc_account_memlimit(kvmppc_stt_pages(npages), true); + ret = account_locked_vm(current->mm, kvmppc_stt_pages(npages), true); if (ret) return ret; @@ -362,7 +326,7 @@ long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, kfree(stt); fail_acct: - kvmppc_account_memlimit(kvmppc_stt_pages(npages), false); + account_locked_vm(current->mm, kvmppc_stt_pages(npages), false); return ret; } diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 5e840113eda4..ec1804f822af 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2011 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> * Copyright (C) 2009. SUSE Linux Products GmbH. All rights reserved. @@ -12,10 +13,6 @@ * * This file is derived from arch/powerpc/kvm/book3s.c, * by Alexander Graf <agraf@suse.de>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kvm_host.h> @@ -3606,6 +3603,8 @@ int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit, vcpu->arch.slb_max = 0; dec = mfspr(SPRN_DEC); + if (!(lpcr & LPCR_LD)) /* Sign extend if not using large decrementer */ + dec = (s32) dec; tb = mftb(); vcpu->arch.dec_expires = dec + tb; vcpu->cpu = -1; @@ -4125,8 +4124,15 @@ int kvmhv_run_single_vcpu(struct kvm_run *kvm_run, preempt_enable(); - /* cancel pending decrementer exception if DEC is now positive */ - if (get_tb() < vcpu->arch.dec_expires && kvmppc_core_pending_dec(vcpu)) + /* + * cancel pending decrementer exception if DEC is now positive, or if + * entering a nested guest in which case the decrementer is now owned + * by L2 and the L1 decrementer is provided in hdec_expires + */ + if (kvmppc_core_pending_dec(vcpu) && + ((get_tb() < vcpu->arch.dec_expires) || + (trap == BOOK3S_INTERRUPT_SYSCALL && + kvmppc_get_gpr(vcpu, 3) == H_ENTER_NESTED))) kvmppc_core_dequeue_dec(vcpu); trace_kvm_guest_exit(vcpu); diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c index 6035d24f1d1d..7c1909657b55 100644 --- a/arch/powerpc/kvm/book3s_hv_builtin.c +++ b/arch/powerpc/kvm/book3s_hv_builtin.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2011 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/cpu.h> @@ -823,6 +820,8 @@ static void flush_guest_tlb(struct kvm *kvm) : : "r" (rb), "i" (1), "i" (1), "i" (0), "r" (0) : "memory"); } + asm volatile("ptesync": : :"memory"); + asm volatile(PPC_RADIX_INVALIDATE_ERAT_GUEST : : :"memory"); } else { for (set = 0; set < kvm->arch.tlb_sets; ++set) { /* R=0 PRS=0 RIC=0 */ @@ -831,8 +830,9 @@ static void flush_guest_tlb(struct kvm *kvm) "r" (0) : "memory"); rb += PPC_BIT(51); /* increment set number */ } + asm volatile("ptesync": : :"memory"); + asm volatile(PPC_ISA_3_0_INVALIDATE_ERAT : : :"memory"); } - asm volatile("ptesync": : :"memory"); } void kvmppc_check_need_tlb_flush(struct kvm *kvm, int pcpu, diff --git a/arch/powerpc/kvm/book3s_hv_ras.c b/arch/powerpc/kvm/book3s_hv_ras.c index 8c24c3bea0bf..79f7d07ef674 100644 --- a/arch/powerpc/kvm/book3s_hv_ras.c +++ b/arch/powerpc/kvm/book3s_hv_ras.c @@ -1,7 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. * * Copyright 2012 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> */ diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c index 8431ad1e8391..63e0ce91e29d 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c +++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c @@ -1,7 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. * * Copyright 2010-2011 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> */ diff --git a/arch/powerpc/kvm/book3s_hv_rm_xics.c b/arch/powerpc/kvm/book3s_hv_rm_xics.c index 085509148d95..4d2ec77d806c 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_xics.c +++ b/arch/powerpc/kvm/book3s_hv_rm_xics.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2012 Michael Ellerman, IBM Corporation. * Copyright 2012 Benjamin Herrenschmidt, IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index d885a5831daa..337e64468d78 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -2500,17 +2500,28 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) LOAD_REG_ADDR(r11, dawr_force_enable) lbz r11, 0(r11) cmpdi r11, 0 + bne 3f li r3, H_HARDWARE - beqlr + blr +3: /* Emulate H_SET_DABR/X on P8 for the sake of compat mode guests */ rlwimi r5, r4, 5, DAWRX_DR | DAWRX_DW rlwimi r5, r4, 2, DAWRX_WT clrrdi r4, r4, 3 std r4, VCPU_DAWR(r3) std r5, VCPU_DAWRX(r3) + /* + * If came in through the real mode hcall handler then it is necessary + * to write the registers since the return path won't. Otherwise it is + * sufficient to store then in the vcpu struct as they will be loaded + * next time the vcpu is run. + */ + mfmsr r6 + andi. r6, r6, MSR_DR /* in real mode? */ + bne 4f mtspr SPRN_DAWR, r4 mtspr SPRN_DAWRX, r5 - li r3, 0 +4: li r3, 0 blr _GLOBAL(kvmppc_h_cede) /* r3 = vcpu pointer, r11 = msr, r13 = paca */ diff --git a/arch/powerpc/kvm/book3s_hv_tm.c b/arch/powerpc/kvm/book3s_hv_tm.c index 888e2609e3f1..0db937497169 100644 --- a/arch/powerpc/kvm/book3s_hv_tm.c +++ b/arch/powerpc/kvm/book3s_hv_tm.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2017 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kvm_host.h> @@ -131,7 +128,7 @@ int kvmhv_p9_tm_emulation(struct kvm_vcpu *vcpu) } /* Set CR0 to indicate previous transactional state */ vcpu->arch.regs.ccr = (vcpu->arch.regs.ccr & 0x0fffffff) | - (((msr & MSR_TS_MASK) >> MSR_TS_S_LG) << 28); + (((msr & MSR_TS_MASK) >> MSR_TS_S_LG) << 29); /* L=1 => tresume, L=0 => tsuspend */ if (instr & (1 << 21)) { if (MSR_TM_SUSPENDED(msr)) @@ -175,7 +172,7 @@ int kvmhv_p9_tm_emulation(struct kvm_vcpu *vcpu) /* Set CR0 to indicate previous transactional state */ vcpu->arch.regs.ccr = (vcpu->arch.regs.ccr & 0x0fffffff) | - (((msr & MSR_TS_MASK) >> MSR_TS_S_LG) << 28); + (((msr & MSR_TS_MASK) >> MSR_TS_S_LG) << 29); vcpu->arch.shregs.msr &= ~MSR_TS_MASK; return RESUME_GUEST; @@ -205,7 +202,7 @@ int kvmhv_p9_tm_emulation(struct kvm_vcpu *vcpu) /* Set CR0 to indicate previous transactional state */ vcpu->arch.regs.ccr = (vcpu->arch.regs.ccr & 0x0fffffff) | - (((msr & MSR_TS_MASK) >> MSR_TS_S_LG) << 28); + (((msr & MSR_TS_MASK) >> MSR_TS_S_LG) << 29); vcpu->arch.shregs.msr = msr | MSR_TS_S; return RESUME_GUEST; } diff --git a/arch/powerpc/kvm/book3s_hv_tm_builtin.c b/arch/powerpc/kvm/book3s_hv_tm_builtin.c index 3cf5863bc06e..217246279dfa 100644 --- a/arch/powerpc/kvm/book3s_hv_tm_builtin.c +++ b/arch/powerpc/kvm/book3s_hv_tm_builtin.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2017 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kvm_host.h> diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 811a3c2fb0e9..cc65af8fe6f7 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2009. SUSE Linux Products GmbH. All rights reserved. * @@ -13,10 +14,6 @@ * * This file is derived from arch/powerpc/kvm/44x.c, * by Hollis Blanchard <hollisb@us.ibm.com>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kvm_host.h> diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c index dae3be5ff42b..031c8015864a 100644 --- a/arch/powerpc/kvm/book3s_pr_papr.c +++ b/arch/powerpc/kvm/book3s_pr_papr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2011. Freescale Inc. All rights reserved. * @@ -9,10 +10,6 @@ * * Hypercall handling for running PAPR guests in PR KVM on Book 3S * processors. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/anon_inodes.h> diff --git a/arch/powerpc/kvm/book3s_rtas.c b/arch/powerpc/kvm/book3s_rtas.c index b7ae3dfbf00e..26b25994c969 100644 --- a/arch/powerpc/kvm/book3s_rtas.c +++ b/arch/powerpc/kvm/book3s_rtas.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2012 Michael Ellerman, IBM Corporation. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/arch/powerpc/kvm/book3s_xics.c b/arch/powerpc/kvm/book3s_xics.c index f27ee57ab46e..381bf8dea193 100644 --- a/arch/powerpc/kvm/book3s_xics.c +++ b/arch/powerpc/kvm/book3s_xics.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2012 Michael Ellerman, IBM Corporation. * Copyright 2012 Benjamin Herrenschmidt, IBM Corporation. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kernel.h> @@ -830,7 +827,7 @@ static noinline int kvmppc_h_eoi(struct kvm_vcpu *vcpu, unsigned long xirr) * * Note: If EOI is incorrectly used by SW to lower the CPPR * value (ie more favored), we do not check for rejection of - * a pending interrupt, this is a SW error and PAPR sepcifies + * a pending interrupt, this is a SW error and PAPR specifies * that we don't have to deal with it. * * The sending of an EOI to the ICS is handled after the diff --git a/arch/powerpc/kvm/book3s_xics.h b/arch/powerpc/kvm/book3s_xics.h index 453c9e518c19..6231f76bdd66 100644 --- a/arch/powerpc/kvm/book3s_xics.h +++ b/arch/powerpc/kvm/book3s_xics.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2012 Michael Ellerman, IBM Corporation. * Copyright 2012 Benjamin Herrenschmidt, IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #ifndef _KVM_PPC_BOOK3S_XICS_H diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c index 922fd62bcd2a..6ca0d7376a9f 100644 --- a/arch/powerpc/kvm/book3s_xive.c +++ b/arch/powerpc/kvm/book3s_xive.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2017 Benjamin Herrenschmidt, IBM Corporation. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #define pr_fmt(fmt) "xive-kvm: " fmt diff --git a/arch/powerpc/kvm/book3s_xive.h b/arch/powerpc/kvm/book3s_xive.h index 862c2c9650ae..50494d0ee375 100644 --- a/arch/powerpc/kvm/book3s_xive.h +++ b/arch/powerpc/kvm/book3s_xive.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2017 Benjamin Herrenschmidt, IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #ifndef _KVM_PPC_BOOK3S_XIVE_H diff --git a/arch/powerpc/kvm/book3s_xive_template.c b/arch/powerpc/kvm/book3s_xive_template.c index 0737acfd17f1..a8a900ace1e6 100644 --- a/arch/powerpc/kvm/book3s_xive_template.c +++ b/arch/powerpc/kvm/book3s_xive_template.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2017 Benjamin Herrenschmidt, IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ /* File to be included by other .c files */ diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c index afd3c255a427..b5a848a55504 100644 --- a/arch/powerpc/kvm/e500.c +++ b/arch/powerpc/kvm/e500.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved. * @@ -6,10 +7,6 @@ * Description: * This file is derived from arch/powerpc/kvm/44x.c, * by Hollis Blanchard <hollisb@us.ibm.com>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kvm_host.h> diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h index 962ee90a0dfe..c3ef751465fb 100644 --- a/arch/powerpc/kvm/e500.h +++ b/arch/powerpc/kvm/e500.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved. * @@ -10,10 +11,6 @@ * This file is based on arch/powerpc/kvm/44x_tlb.h and * arch/powerpc/include/asm/kvm_44x.h by Hollis Blanchard <hollisb@us.ibm.com>, * Copyright IBM Corp. 2007-2008 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #ifndef KVM_E500_H diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c index fde1de08b4d7..3d0d3ec5be96 100644 --- a/arch/powerpc/kvm/e500_emulate.c +++ b/arch/powerpc/kvm/e500_emulate.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved. * @@ -6,10 +7,6 @@ * Description: * This file is derived from arch/powerpc/kvm/44x_emulate.c, * by Hollis Blanchard <hollisb@us.ibm.com>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <asm/kvm_ppc.h> diff --git a/arch/powerpc/kvm/e500_mmu.c b/arch/powerpc/kvm/e500_mmu.c index e0af53fd78c5..2d910b87e441 100644 --- a/arch/powerpc/kvm/e500_mmu.c +++ b/arch/powerpc/kvm/e500_mmu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2008-2013 Freescale Semiconductor, Inc. All rights reserved. * @@ -10,10 +11,6 @@ * Description: * This file is based on arch/powerpc/kvm/44x_tlb.c, * by Hollis Blanchard <hollisb@us.ibm.com>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c index c3f312b2bcb3..321db0fdb9db 100644 --- a/arch/powerpc/kvm/e500_mmu_host.c +++ b/arch/powerpc/kvm/e500_mmu_host.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2008-2013 Freescale Semiconductor, Inc. All rights reserved. * @@ -10,10 +11,6 @@ * Description: * This file is based on arch/powerpc/kvm/44x_tlb.c, * by Hollis Blanchard <hollisb@us.ibm.com>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/arch/powerpc/kvm/e500_mmu_host.h b/arch/powerpc/kvm/e500_mmu_host.h index 7624835b76c7..d8178cc86b30 100644 --- a/arch/powerpc/kvm/e500_mmu_host.h +++ b/arch/powerpc/kvm/e500_mmu_host.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2008-2013 Freescale Semiconductor, Inc. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #ifndef KVM_E500_MMU_HOST_H diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c index d31645491a93..318e65c65999 100644 --- a/arch/powerpc/kvm/e500mc.c +++ b/arch/powerpc/kvm/e500mc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2010,2012 Freescale Semiconductor, Inc. All rights reserved. * @@ -6,10 +7,6 @@ * Description: * This file is derived from arch/powerpc/kvm/e500.c, * by Yu Liu <yu.liu@freescale.com>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kvm_host.h> diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 6d704ad2472b..0dba7eb24f92 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -414,9 +414,9 @@ int kvm_arch_hardware_setup(void) return 0; } -void kvm_arch_check_processor_compat(void *rtn) +int kvm_arch_check_processor_compat(void) { - *(int *)rtn = kvmppc_core_check_processor_compat(); + return kvmppc_core_check_processor_compat(); } int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) |