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[Qemu-devel] [PATCH v1 3/7] kvm: tolerate non-existing slot for log_star
From: |
David Hildenbrand |
Subject: |
[Qemu-devel] [PATCH v1 3/7] kvm: tolerate non-existing slot for log_start/log_stop/log_sync |
Date: |
Mon, 16 Oct 2017 16:42:58 +0200 |
If we want to trap every access to a section, we might not have a
slot. So let's just tolerate if we don't have one.
Signed-off-by: David Hildenbrand <address@hidden>
---
accel/kvm/kvm-all.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index fae1eca983..f5fa3e24bd 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -394,8 +394,8 @@ static int kvm_section_update_flags(KVMMemoryListener *kml,
mem = kvm_lookup_matching_slot(kml, start_addr, size);
if (!mem) {
- fprintf(stderr, "%s: error finding slot\n", __func__);
- abort();
+ /* We don't have a slot if we want to trap every access. */
+ return 0;
}
return kvm_slot_update_flags(kml, mem, section->mr);
@@ -470,8 +470,8 @@ static int kvm_physical_sync_dirty_bitmap(KVMMemoryListener
*kml,
if (size) {
mem = kvm_lookup_matching_slot(kml, start_addr, size);
if (!mem) {
- fprintf(stderr, "%s: error finding slot\n", __func__);
- abort();
+ /* We don't have a slot if we want to trap every access. */
+ return 0;
}
/* XXX bad kernel interface alert
--
2.13.5
- [Qemu-devel] [PATCH v1 0/7] kvm: slot handling fixes (and small cleanups), David Hildenbrand, 2017/10/16
- [Qemu-devel] [PATCH v1 2/7] kvm: fix alignment of ram address, David Hildenbrand, 2017/10/16
- [Qemu-devel] [PATCH v1 3/7] kvm: tolerate non-existing slot for log_start/log_stop/log_sync,
David Hildenbrand <=
- [Qemu-devel] [PATCH v1 1/7] memory: call log_start after region_add, David Hildenbrand, 2017/10/16
- [Qemu-devel] [PATCH v1 4/7] kvm: fix error message when failing to unregister slot, David Hildenbrand, 2017/10/16
- [Qemu-devel] [PATCH v1 5/7] kvm: region_add and region_del is not called on updates, David Hildenbrand, 2017/10/16
- [Qemu-devel] [PATCH v1 6/7] kvm: simplify kvm_align_section(), David Hildenbrand, 2017/10/16
- [Qemu-devel] [PATCH v1 7/7] memory: reuse section_from_flat_range(), David Hildenbrand, 2017/10/16
- Re: [Qemu-devel] [PATCH v1 0/7] kvm: slot handling fixes (and small cleanups), Paolo Bonzini, 2017/10/16