50 lines
1.7 KiB
Diff
50 lines
1.7 KiB
Diff
|
From f9dfed0e5fd03ee6fa7364801db7d101bf085a79 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Peter Xu <peterx@redhat.com>
|
||
|
|
Date: Tue, 17 Sep 2024 12:38:33 -0400
|
||
|
|
Subject: [PATCH 6/9] KVM: Define KVM_MEMSLOTS_NUM_MAX_DEFAULT
|
||
|
|
|
||
|
|
RH-Author: Peter Xu <peterx@redhat.com>
|
||
|
|
RH-MergeRequest: 284: KVM: Dynamic sized kvm memslots array
|
||
|
|
RH-Jira: RHEL-57682
|
||
|
|
RH-Acked-by: Juraj Marcin <None>
|
||
|
|
RH-Commit: [5/7] c95bdaa406e76b943882fd75c4d345ca5fc397d4 (peterx/qemu-kvm)
|
||
|
|
|
||
|
|
Make the default max nr_slots a macro, it's only used when KVM reports
|
||
|
|
nothing.
|
||
|
|
|
||
|
|
Reviewed-by: David Hildenbrand <david@redhat.com>
|
||
|
|
Signed-off-by: Peter Xu <peterx@redhat.com>
|
||
|
|
Link: https://lore.kernel.org/r/20240917163835.194664-3-peterx@redhat.com
|
||
|
|
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
||
|
|
(cherry picked from commit b34a908c8f24eedb0a8e5ff486b059b58fd793f4)
|
||
|
|
Signed-off-by: Peter Xu <peterx@redhat.com>
|
||
|
|
---
|
||
|
|
accel/kvm/kvm-all.c | 4 +++-
|
||
|
|
1 file changed, 3 insertions(+), 1 deletion(-)
|
||
|
|
|
||
|
|
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
|
||
|
|
index 44bf4180fa..3900de8883 100644
|
||
|
|
--- a/accel/kvm/kvm-all.c
|
||
|
|
+++ b/accel/kvm/kvm-all.c
|
||
|
|
@@ -71,6 +71,8 @@
|
||
|
|
|
||
|
|
/* Default num of memslots to be allocated when VM starts */
|
||
|
|
#define KVM_MEMSLOTS_NR_ALLOC_DEFAULT 16
|
||
|
|
+/* Default max allowed memslots if kernel reported nothing */
|
||
|
|
+#define KVM_MEMSLOTS_NR_MAX_DEFAULT 32
|
||
|
|
|
||
|
|
struct KVMParkedVcpu {
|
||
|
|
unsigned long vcpu_id;
|
||
|
|
@@ -2617,7 +2619,7 @@ static int kvm_init(MachineState *ms)
|
||
|
|
|
||
|
|
/* If unspecified, use the default value */
|
||
|
|
if (!s->nr_slots) {
|
||
|
|
- s->nr_slots = 32;
|
||
|
|
+ s->nr_slots_max = KVM_MEMSLOTS_NR_MAX_DEFAULT;
|
||
|
|
}
|
||
|
|
|
||
|
|
s->nr_as = kvm_check_extension(s, KVM_CAP_MULTI_ADDRESS_SPACE);
|
||
|
|
--
|
||
|
|
2.39.3
|
||
|
|
|