From 891fb13363d168760cd21d0c57368e1a413cad27 Mon Sep 17 00:00:00 2001 From: Peter Xu Date: Tue, 17 Sep 2024 12:38:35 -0400 Subject: [PATCH 8/9] KVM: Rename KVMState->nr_slots to nr_slots_max RH-Author: Peter Xu RH-MergeRequest: 285: KVM: Dynamic sized kvm memslots array RH-Jira: RHEL-57685 RH-Acked-by: Juraj Marcin RH-Acked-by: Miroslav Rezanina RH-Commit: [7/7] 7a1b28f04ee6a2c80b07db241fc88cb40f54e376 (peterx/qemu-kvm) This value used to reflect the maximum supported memslots from KVM kernel. Rename it to be clearer. Reviewed-by: David Hildenbrand Signed-off-by: Peter Xu Link: https://lore.kernel.org/r/20240917163835.194664-5-peterx@redhat.com Signed-off-by: Paolo Bonzini (cherry picked from commit 943c742868c739c0b14fd996bad3adf744156fec) Signed-off-by: Peter Xu --- accel/kvm/kvm-all.c | 12 ++++++------ include/sysemu/kvm_int.h | 4 ++-- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index e99aaba486..dc6253895d 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -183,8 +183,8 @@ static bool kvm_slots_grow(KVMMemoryListener *kml, unsigned int nr_slots_new) unsigned int i, cur = kml->nr_slots_allocated; KVMSlot *slots; - if (nr_slots_new > kvm_state->nr_slots) { - nr_slots_new = kvm_state->nr_slots; + if (nr_slots_new > kvm_state->nr_slots_max) { + nr_slots_new = kvm_state->nr_slots_max; } if (cur >= nr_slots_new) { @@ -225,7 +225,7 @@ unsigned int kvm_get_max_memslots(void) { KVMState *s = KVM_STATE(current_accel()); - return s->nr_slots; + return s->nr_slots_max; } unsigned int kvm_get_free_memslots(void) @@ -243,7 +243,7 @@ unsigned int kvm_get_free_memslots(void) } kvm_slots_unlock(); - return s->nr_slots - used_slots; + return s->nr_slots_max - used_slots; } /* Called with KVMMemoryListener.slots_lock held */ @@ -2615,10 +2615,10 @@ static int kvm_init(MachineState *ms) (kvm_supported_memory_attributes & KVM_MEMORY_ATTRIBUTE_PRIVATE); kvm_immediate_exit = kvm_check_extension(s, KVM_CAP_IMMEDIATE_EXIT); - s->nr_slots = kvm_check_extension(s, KVM_CAP_NR_MEMSLOTS); + s->nr_slots_max = kvm_check_extension(s, KVM_CAP_NR_MEMSLOTS); /* If unspecified, use the default value */ - if (!s->nr_slots) { + if (!s->nr_slots_max) { s->nr_slots_max = KVM_MEMSLOTS_NR_MAX_DEFAULT; } diff --git a/include/sysemu/kvm_int.h b/include/sysemu/kvm_int.h index b705dfc9b4..2c57194b6b 100644 --- a/include/sysemu/kvm_int.h +++ b/include/sysemu/kvm_int.h @@ -103,8 +103,8 @@ struct KVMDirtyRingReaper { struct KVMState { AccelState parent_obj; - - int nr_slots; + /* Max number of KVM slots supported */ + int nr_slots_max; int fd; int vmfd; int coalesced_mmio; -- 2.39.3