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qemu-kvm/kvm-vfio-common-remove-spurious-warning-on-vfio_listener.patch

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* Mon Jun 13 2022 Miroslav Rezanina <mrezanin@redhat.com> - 7.0.0-6 - kvm-Introduce-event-loop-base-abstract-class.patch [bz#2031024] - kvm-util-main-loop-Introduce-the-main-loop-into-QOM.patch [bz#2031024] - kvm-util-event-loop-base-Introduce-options-to-set-the-th.patch [bz#2031024] - kvm-qcow2-Improve-refcount-structure-rebuilding.patch [bz#2072379] - kvm-iotests-108-Test-new-refcount-rebuild-algorithm.patch [bz#2072379] - kvm-qcow2-Add-errp-to-rebuild_refcount_structure.patch [bz#2072379] - kvm-iotests-108-Fix-when-missing-user_allow_other.patch [bz#2072379] - kvm-virtio-net-setup-vhost_dev-and-notifiers-for-cvq-onl.patch [bz#2070804] - kvm-virtio-net-align-ctrl_vq-index-for-non-mq-guest-for-.patch [bz#2070804] - kvm-vhost-vdpa-fix-improper-cleanup-in-net_init_vhost_vd.patch [bz#2070804] - kvm-vhost-net-fix-improper-cleanup-in-vhost_net_start.patch [bz#2070804] - kvm-vhost-vdpa-backend-feature-should-set-only-once.patch [bz#2070804] - kvm-vhost-vdpa-change-name-and-polarity-for-vhost_vdpa_o.patch [bz#2070804] - kvm-virtio-net-don-t-handle-mq-request-in-userspace-hand.patch [bz#2070804] - kvm-Revert-globally-limit-the-maximum-number-of-CPUs.patch [bz#2094270] - kvm-vfio-common-remove-spurious-warning-on-vfio_listener.patch [bz#2086262] - Resolves: bz#2031024 (Add support for fixing thread pool size [QEMU]) - Resolves: bz#2072379 (Fail to rebuild the reference count tables of qcow2 image on host block devices (e.g. LVs)) - Resolves: bz#2070804 (PXE boot crash qemu when using multiqueue vDPA) - Resolves: bz#2094270 (Do not set the hard vCPU limit to the soft vCPU limit in downstream qemu-kvm anymore) - Resolves: bz#2086262 ([Win11][tpm]vfio_listener_region_del received unaligned region)
2022-06-13 04:34:04 +00:00
From 3de8fb9f3dba18d04efa10b70bcec641035effc5 Mon Sep 17 00:00:00 2001
From: Eric Auger <eric.auger@redhat.com>
Date: Tue, 24 May 2022 05:14:05 -0400
Subject: [PATCH 16/16] vfio/common: remove spurious warning on
vfio_listener_region_del
RH-Author: Eric Auger <eric.auger@redhat.com>
RH-MergeRequest: 101: vfio/common: remove spurious warning on vfio_listener_region_del
RH-Commit: [1/1] dac688b8a981ebb964fea79ea198c329b9cdb551 (eauger1/centos-qemu-kvm)
RH-Bugzilla: 2086262
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Acked-by: Alex Williamson <None>
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2086262
Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=45876133
Upstream Status: YES
Tested: With TPM-CRB and VFIO
851d6d1a0f ("vfio/common: remove spurious tpm-crb-cmd misalignment
warning") removed the warning on vfio_listener_region_add() path.
However the same warning also hits on region_del path. Let's remove
it and reword the dynamic trace as this can be called on both
map and unmap path.
Contextual Conflict in hw/vfio/common.c
We don't have 8e3b0cbb721 ("Replace qemu_real_host_page variables with inlined functions")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Link: https://lore.kernel.org/r/20220524091405.416256-1-eric.auger@redhat.com
Fixes: 851d6d1a0ff2 ("vfio/common: remove spurious tpm-crb-cmd misalignment warning")
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
(cherry picked from commit ec6600be0dc16982181c7ad80d94c143c0807dd2)
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
hw/vfio/common.c | 10 +++++++++-
hw/vfio/trace-events | 2 +-
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 0fbe0d47af..637981f9a1 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -1145,7 +1145,15 @@ static void vfio_listener_region_del(MemoryListener *listener,
if (unlikely((section->offset_within_address_space &
~qemu_real_host_page_mask) !=
(section->offset_within_region & ~qemu_real_host_page_mask))) {
- error_report("%s received unaligned region", __func__);
+ if (!vfio_known_safe_misalignment(section)) {
+ error_report("%s received unaligned region %s iova=0x%"PRIx64
+ " offset_within_region=0x%"PRIx64
+ " qemu_real_host_page_size=0x%"PRIxPTR,
+ __func__, memory_region_name(section->mr),
+ section->offset_within_address_space,
+ section->offset_within_region,
+ qemu_real_host_page_size);
+ }
return;
}
diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events
index 582882db91..73dffe9e00 100644
--- a/hw/vfio/trace-events
+++ b/hw/vfio/trace-events
@@ -100,7 +100,7 @@ vfio_listener_region_add_skip(uint64_t start, uint64_t end) "SKIPPING region_add
vfio_spapr_group_attach(int groupfd, int tablefd) "Attached groupfd %d to liobn fd %d"
vfio_listener_region_add_iommu(uint64_t start, uint64_t end) "region_add [iommu] 0x%"PRIx64" - 0x%"PRIx64
vfio_listener_region_add_ram(uint64_t iova_start, uint64_t iova_end, void *vaddr) "region_add [ram] 0x%"PRIx64" - 0x%"PRIx64" [%p]"
-vfio_known_safe_misalignment(const char *name, uint64_t iova, uint64_t offset_within_region, uintptr_t page_size) "Region \"%s\" iova=0x%"PRIx64" offset_within_region=0x%"PRIx64" qemu_real_host_page_size=0x%"PRIxPTR ": cannot be mapped for DMA"
+vfio_known_safe_misalignment(const char *name, uint64_t iova, uint64_t offset_within_region, uintptr_t page_size) "Region \"%s\" iova=0x%"PRIx64" offset_within_region=0x%"PRIx64" qemu_real_host_page_size=0x%"PRIxPTR
vfio_listener_region_add_no_dma_map(const char *name, uint64_t iova, uint64_t size, uint64_t page_size) "Region \"%s\" 0x%"PRIx64" size=0x%"PRIx64" is not aligned to 0x%"PRIx64" and cannot be mapped for DMA"
vfio_listener_region_del_skip(uint64_t start, uint64_t end) "SKIPPING region_del 0x%"PRIx64" - 0x%"PRIx64
vfio_listener_region_del(uint64_t start, uint64_t end) "region_del 0x%"PRIx64" - 0x%"PRIx64
--
2.31.1
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