^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * kvm asynchronous fault support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2010 Red Hat, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Author:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Gleb Natapov <gleb@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/kvm_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/mmu_context.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/sched/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "async_pf.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <trace/events/kvm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static struct kmem_cache *async_pf_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) int kvm_async_pf_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) async_pf_cache = KMEM_CACHE(kvm_async_pf, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) if (!async_pf_cache)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) void kvm_async_pf_deinit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) kmem_cache_destroy(async_pf_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) async_pf_cache = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) void kvm_async_pf_vcpu_init(struct kvm_vcpu *vcpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) INIT_LIST_HEAD(&vcpu->async_pf.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) INIT_LIST_HEAD(&vcpu->async_pf.queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) spin_lock_init(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static void async_pf_execute(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct kvm_async_pf *apf =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) container_of(work, struct kvm_async_pf, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct mm_struct *mm = apf->mm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct kvm_vcpu *vcpu = apf->vcpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) unsigned long addr = apf->addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) gpa_t cr2_or_gpa = apf->cr2_or_gpa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) int locked = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) bool first;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) might_sleep();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * This work is run asynchronously to the task which owns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * mm and might be done in another context, so we must
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * access remotely.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) mmap_read_lock(mm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) get_user_pages_remote(mm, addr, 1, FOLL_WRITE, NULL, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) &locked);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (locked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) mmap_read_unlock(mm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) if (IS_ENABLED(CONFIG_KVM_ASYNC_PF_SYNC))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) kvm_arch_async_page_present(vcpu, apf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) spin_lock(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) first = list_empty(&vcpu->async_pf.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) list_add_tail(&apf->link, &vcpu->async_pf.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) apf->vcpu = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) spin_unlock(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (!IS_ENABLED(CONFIG_KVM_ASYNC_PF_SYNC) && first)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) kvm_arch_async_page_present_queued(vcpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * apf may be freed by kvm_check_async_pf_completion() after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * this point
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) trace_kvm_async_pf_completed(addr, cr2_or_gpa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) rcuwait_wake_up(&vcpu->wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) mmput(mm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) kvm_put_kvm(vcpu->kvm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) spin_lock(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) /* cancel outstanding work queue item */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) while (!list_empty(&vcpu->async_pf.queue)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct kvm_async_pf *work =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) list_first_entry(&vcpu->async_pf.queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) typeof(*work), queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) list_del(&work->queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * We know it's present in vcpu->async_pf.done, do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * nothing here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) if (!work->vcpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) spin_unlock(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #ifdef CONFIG_KVM_ASYNC_PF_SYNC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) flush_work(&work->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (cancel_work_sync(&work->work)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) mmput(work->mm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) kvm_put_kvm(vcpu->kvm); /* == work->vcpu->kvm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) kmem_cache_free(async_pf_cache, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) spin_lock(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) while (!list_empty(&vcpu->async_pf.done)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct kvm_async_pf *work =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) list_first_entry(&vcpu->async_pf.done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) typeof(*work), link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) list_del(&work->link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) kmem_cache_free(async_pf_cache, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) spin_unlock(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) vcpu->async_pf.queued = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct kvm_async_pf *work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) while (!list_empty_careful(&vcpu->async_pf.done) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) kvm_arch_can_dequeue_async_page_present(vcpu)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) spin_lock(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) work = list_first_entry(&vcpu->async_pf.done, typeof(*work),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) list_del(&work->link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) spin_unlock(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) kvm_arch_async_page_ready(vcpu, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) if (!IS_ENABLED(CONFIG_KVM_ASYNC_PF_SYNC))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) kvm_arch_async_page_present(vcpu, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) list_del(&work->queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) vcpu->async_pf.queued--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) kmem_cache_free(async_pf_cache, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * Try to schedule a job to handle page fault asynchronously. Returns 'true' on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * success, 'false' on failure (page fault has to be handled synchronously).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) bool kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) unsigned long hva, struct kvm_arch_async_pf *arch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct kvm_async_pf *work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) if (vcpu->async_pf.queued >= ASYNC_PF_PER_VCPU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) /* Arch specific code should not do async PF in this case */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) if (unlikely(kvm_is_error_hva(hva)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) * do alloc nowait since if we are going to sleep anyway we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) * may as well sleep faulting in page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) work = kmem_cache_zalloc(async_pf_cache, GFP_NOWAIT | __GFP_NOWARN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (!work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) work->wakeup_all = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) work->vcpu = vcpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) work->cr2_or_gpa = cr2_or_gpa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) work->addr = hva;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) work->arch = *arch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) work->mm = current->mm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) mmget(work->mm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) kvm_get_kvm(work->vcpu->kvm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) INIT_WORK(&work->work, async_pf_execute);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) list_add_tail(&work->queue, &vcpu->async_pf.queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) vcpu->async_pf.queued++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) work->notpresent_injected = kvm_arch_async_page_not_present(vcpu, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) schedule_work(&work->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) struct kvm_async_pf *work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) bool first;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (!list_empty_careful(&vcpu->async_pf.done))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) work = kmem_cache_zalloc(async_pf_cache, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if (!work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) work->wakeup_all = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) INIT_LIST_HEAD(&work->queue); /* for list_del to work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) spin_lock(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) first = list_empty(&vcpu->async_pf.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) list_add_tail(&work->link, &vcpu->async_pf.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) spin_unlock(&vcpu->async_pf.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) if (!IS_ENABLED(CONFIG_KVM_ASYNC_PF_SYNC) && first)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) kvm_arch_async_page_present_queued(vcpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) vcpu->async_pf.queued++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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