48e88e8e19
- kvm-hw-virtio-virtio-iommu-Migrate-to-3-phase-reset.patch [RHEL-7188] - kvm-hw-i386-intel-iommu-Migrate-to-3-phase-reset.patch [RHEL-7188] - kvm-hw-arm-smmuv3-Move-reset-to-exit-phase.patch [RHEL-7188] - kvm-hw-vfio-common-Add-a-trace-point-in-vfio_reset_handl.patch [RHEL-7188] - kvm-docs-devel-reset-Document-reset-expectations-for-DMA.patch [RHEL-7188] - kvm-qga-implement-a-guest-get-load-command.patch [RHEL-69622] - kvm-migration-Fix-UAF-for-incoming-migration-on-Migratio.patch [RHEL-69775] - kvm-scripts-improve-error-from-qemu-trace-stap-on-missin.patch [RHEL-47340] - kvm-Recommend-systemtap-client-from-qemu-tools.patch [RHEL-47340] - Resolves: RHEL-7188 ([intel iommu][PF] DMAR: DRHD: handling fault status reg) - Resolves: RHEL-69622 ([qemu-guest-agent][RFE] Report CPU load average) - Resolves: RHEL-69775 (Guest crashed on the target host when the migration was canceled) - Resolves: RHEL-47340 ([Qemu RHEL-9] qemu-trace-stap should handle lack of stap more gracefully)
62 lines
2.5 KiB
Diff
62 lines
2.5 KiB
Diff
From 04f11749dd21b4df1ea2818785d650dd6eee2cbe Mon Sep 17 00:00:00 2001
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From: Eric Auger <eric.auger@redhat.com>
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Date: Tue, 18 Feb 2025 19:25:34 +0100
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Subject: [PATCH 4/9] hw/vfio/common: Add a trace point in vfio_reset_handler
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Eric Auger <eric.auger@redhat.com>
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RH-MergeRequest: 341: Fix vIOMMU reset order
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RH-Jira: RHEL-7188
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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RH-Acked-by: Donald Dutile <None>
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RH-Acked-by: Cédric Le Goater <clg@redhat.com>
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RH-Commit: [4/5] 46878ffdc96997d1f6d09bde3fce350564e499fd (eauger1/centos-qemu-kvm)
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To ease the debug of reset sequence, let's add a trace point
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in vfio_reset_handler()
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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Reviewed-by: Cédric Le Goater <clg@redhat.com>
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Acked-by: Michael S. Tsirkin <mst@redhat.com>
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Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
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Message-Id: <20250218182737.76722-5-eric.auger@redhat.com>
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Reviewed-by: Peter Xu <peterx@redhat.com>
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Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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(cherry picked from commit d410e709526d1cd4aa9085c6e254a622594a02a5)
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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---
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hw/vfio/common.c | 1 +
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hw/vfio/trace-events | 1 +
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2 files changed, 2 insertions(+)
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diff --git a/hw/vfio/common.c b/hw/vfio/common.c
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index 36d0cf6585..6982f88fc8 100644
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--- a/hw/vfio/common.c
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+++ b/hw/vfio/common.c
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@@ -1395,6 +1395,7 @@ void vfio_reset_handler(void *opaque)
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{
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VFIODevice *vbasedev;
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+ trace_vfio_reset_handler();
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QLIST_FOREACH(vbasedev, &vfio_device_list, global_next) {
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if (vbasedev->dev->realized) {
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vbasedev->ops->vfio_compute_needs_reset(vbasedev);
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diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events
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index 3756ff660e..9523a9ccb0 100644
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--- a/hw/vfio/trace-events
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+++ b/hw/vfio/trace-events
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@@ -120,6 +120,7 @@ vfio_get_dev_region(const char *name, int index, uint32_t type, uint32_t subtype
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vfio_legacy_dma_unmap_overflow_workaround(void) ""
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vfio_get_dirty_bitmap(uint64_t iova, uint64_t size, uint64_t bitmap_size, uint64_t start, uint64_t dirty_pages) "iova=0x%"PRIx64" size= 0x%"PRIx64" bitmap_size=0x%"PRIx64" start=0x%"PRIx64" dirty_pages=%"PRIu64
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vfio_iommu_map_dirty_notify(uint64_t iova_start, uint64_t iova_end) "iommu dirty @ 0x%"PRIx64" - 0x%"PRIx64
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+vfio_reset_handler(void) ""
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# platform.c
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vfio_platform_realize(char *name, char *compat) "vfio device %s, compat = %s"
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--
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2.48.1
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