48 lines
1.6 KiB
Diff
48 lines
1.6 KiB
Diff
|
From da9a24793e876f6f2727d57f939d882be26a47b8 Mon Sep 17 00:00:00 2001
|
||
|
|
From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@redhat.com>
|
||
|
|
Date: Fri, 22 Dec 2023 08:55:23 +0100
|
||
|
|
Subject: [PATCH 064/101] backends/iommufd: Remove check on number of backend
|
||
|
|
users
|
||
|
|
MIME-Version: 1.0
|
||
|
|
Content-Type: text/plain; charset=UTF-8
|
||
|
|
Content-Transfer-Encoding: 8bit
|
||
|
|
|
||
|
|
RH-Author: Eric Auger <eric.auger@redhat.com>
|
||
|
|
RH-MergeRequest: 211: IOMMUFD backend backport
|
||
|
|
RH-Jira: RHEL-19302 RHEL-21057
|
||
|
|
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
|
||
|
|
RH-Acked-by: Sebastian Ott <sebott@redhat.com>
|
||
|
|
RH-Commit: [63/67] ac4d4589d1f2de5ac3f0adfd8d1f27dbf6bbfdee (eauger1/centos-qemu-kvm)
|
||
|
|
|
||
|
|
QOM already has a ref count on objects and it will assert much
|
||
|
|
earlier, when INT_MAX is reached.
|
||
|
|
|
||
|
|
Reviewed-by: Eric Auger <eric.auger@redhat.com>
|
||
|
|
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
|
||
|
|
Signed-off-by: Cédric Le Goater <clg@redhat.com>
|
||
|
|
(cherry picked from commit c2ab3a6f7411c895e538e8350fee8948ac07c1a0)
|
||
|
|
Signed-off-by: Eric Auger <eric.auger@redhat.com>
|
||
|
|
---
|
||
|
|
backends/iommufd.c | 5 -----
|
||
|
|
1 file changed, 5 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/backends/iommufd.c b/backends/iommufd.c
|
||
|
|
index ba58a0eb0d..393c0d9a37 100644
|
||
|
|
--- a/backends/iommufd.c
|
||
|
|
+++ b/backends/iommufd.c
|
||
|
|
@@ -80,11 +80,6 @@ int iommufd_backend_connect(IOMMUFDBackend *be, Error **errp)
|
||
|
|
int fd, ret = 0;
|
||
|
|
|
||
|
|
qemu_mutex_lock(&be->lock);
|
||
|
|
- if (be->users == UINT32_MAX) {
|
||
|
|
- error_setg(errp, "too many connections");
|
||
|
|
- ret = -E2BIG;
|
||
|
|
- goto out;
|
||
|
|
- }
|
||
|
|
if (be->owned && !be->users) {
|
||
|
|
fd = qemu_open_old("/dev/iommu", O_RDWR);
|
||
|
|
if (fd < 0) {
|
||
|
|
--
|
||
|
|
2.39.3
|
||
|
|
|