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[Qemu-devel] [PULL 30/50] kvm: kvm_log_start/stop are only called with k
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 30/50] kvm: kvm_log_start/stop are only called with known sections |
Date: |
Tue, 19 Sep 2017 14:29:19 +0200 |
From: David Hildenbrand <address@hidden>
Let's properly align the sections first and bail out if we would ever
get called with a memory section we don't know yet.
Signed-off-by: David Hildenbrand <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
accel/kvm/kvm-all.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index b677d1b..2ae4594 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -411,15 +411,21 @@ static int kvm_slot_update_flags(KVMMemoryListener *kml,
KVMSlot *mem,
static int kvm_section_update_flags(KVMMemoryListener *kml,
MemoryRegionSection *section)
{
- hwaddr phys_addr = section->offset_within_address_space;
- ram_addr_t size = int128_get64(section->size);
- KVMSlot *mem = kvm_lookup_matching_slot(kml, phys_addr, size);
+ hwaddr start_addr, size;
+ KVMSlot *mem;
- if (mem == NULL) {
+ size = kvm_align_section(section, &start_addr);
+ if (!size) {
return 0;
- } else {
- return kvm_slot_update_flags(kml, mem, section->mr);
}
+
+ mem = kvm_lookup_matching_slot(kml, start_addr, size);
+ if (!mem) {
+ fprintf(stderr, "%s: error finding slot\n", __func__);
+ abort();
+ }
+
+ return kvm_slot_update_flags(kml, mem, section->mr);
}
static void kvm_log_start(MemoryListener *listener,
--
1.8.3.1
- [Qemu-devel] [PULL 10/50] scsi: Introduce scsi_sense_buf_to_errno, (continued)
- [Qemu-devel] [PULL 10/50] scsi: Introduce scsi_sense_buf_to_errno, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 07/50] scsi-bus: correct responses for INQUIRY and REQUEST SENSE, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 12/50] scsi: rename scsi_build_sense to scsi_convert_sense, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 15/50] scsi: introduce sg_io_sense_from_errno, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 16/50] scsi: move block/scsi.h to include/scsi/constants.h, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 20/50] i386/kvm: introduce tsc_is_stable_and_known(), Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 17/50] MAINTAINERS: update mail address for NVDIMM, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 18/50] i386/kvm: use a switch statement for MSR detection, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 19/50] i386/kvm: set tsc_khz before configuring Hyper-V CPUID, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 29/50] kvm: we never have overlapping slots in kvm_set_phys_mem(), Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 30/50] kvm: kvm_log_start/stop are only called with known sections,
Paolo Bonzini <=
- [Qemu-devel] [PULL 28/50] kvm: use start + size for memory ranges, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 21/50] i386/kvm: advertise Hyper-V frequency MSRs, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 22/50] MAINTAINERS: update email, add missing test entry for megasas, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 24/50] scsi/esp: Rename the ESP macro to ESP_STATE, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 27/50] kvm: factor out alignment of memory section, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 31/50] kvm: kvm_log_sync() is only called with known memory sections, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 25/50] multiboot: validate multiboot header address values, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 32/50] test-qga: add missing qemu-ga tool dependency, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 26/50] kvm: require JOIN_MEMORY_REGIONS_WORKS, Paolo Bonzini, 2017/09/19
- [Qemu-devel] [PULL 23/50] memory: Rename queue to mrqueue (memory region queue), Paolo Bonzini, 2017/09/19