b60d6a584c
- target/i386: csv: Release CSV3 shared pages after unmapping DMA - target/i386: Add new CPU model ClearwaterForest - target/i386: add sha512, sm3, sm4 feature bits - docs: Add GNR, SRF and CWF CPU models - target/i386: Export BHI_NO bit to guests - target/i386: Introduce SierraForest-v2 model - vdpa/iommufd:Implement DMA mapping through the iommufd interface - vdpa/iommufd:Introduce vdpa-iommufd module - vdpa/iommufd:support associating iommufd backend for vDPA devices - Kconfig/iommufd/VDPA: Update IOMMUFD module configuration dependencies The vDPA module can also use IOMMUFD like the VFIO module. - backends/iommufd: Get rid of qemu_open_old() - backends/iommufd: Make iommufd_backend_*() return bool - backends/iommufd: Fix missing ERRP_GUARD() for error_prepend() - backends/iommufd: Remove mutex - backends/iommufd: Remove check on number of backend users - hw/intc: Add extioi ability of 256 vcpu interrupt routing - hw/rtc: Fixed loongson rtc emulation errors - hw/loongarch/boot: Adjust the loading position of the initrd - target/loongarch: Fix the cpu unplug resource leak - target/loongarch: fix vcpu reset command word issue - vdpa:Fix dirty page bitmap synchronization not done after suspend for vdpa devices Signed-off-by: Jiabo Feng <fengjiabo1@huawei.com> (cherry picked from commit a5212066e7516ff2a316e1b2feaa75dd5ee4d17a)
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From e2bc395c5db34111faf2adcecdb385e5a4e8d23d Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@redhat.com>
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Date: Fri, 22 Dec 2023 08:55:23 +0100
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Subject: [PATCH] backends/iommufd: Remove check on number of backend users
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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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QOM already has a ref count on objects and it will assert much
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earlier, when INT_MAX is reached.
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Reviewed-by: Eric Auger <eric.auger@redhat.com>
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Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
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Signed-off-by: Cédric Le Goater <clg@redhat.com>
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---
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backends/iommufd.c | 5 -----
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1 file changed, 5 deletions(-)
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diff --git a/backends/iommufd.c b/backends/iommufd.c
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index 4f5df63331..f17a846aab 100644
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--- a/backends/iommufd.c
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+++ b/backends/iommufd.c
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@@ -81,11 +81,6 @@ int iommufd_backend_connect(IOMMUFDBackend *be, Error **errp)
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int fd, ret = 0;
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qemu_mutex_lock(&be->lock);
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- if (be->users == UINT32_MAX) {
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- error_setg(errp, "too many connections");
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- ret = -E2BIG;
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- goto out;
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- }
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if (be->owned && !be->users) {
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fd = qemu_open_old("/dev/iommu", O_RDWR);
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if (fd < 0) {
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--
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2.41.0.windows.1
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