* Mon Nov 14 2022 Miroslav Rezanina <mrezanin@redhat.com> - 7.1.0-5
- kvm-rtl8139-Remove-unused-variable.patch [bz#2141218] - kvm-qemu-img-remove-unused-variable.patch [bz#2141218] - kvm-host-libusb-Remove-unused-variable.patch [bz#2141218] - Resolves: bz#2141218 (qemu-kvm build fails with clang 15.0.1 due to false unused variable error)
This commit is contained in:
Miroslav Rezanina
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3e616168bc
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64
kvm-host-libusb-Remove-unused-variable.patch
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64
kvm-host-libusb-Remove-unused-variable.patch
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@ -0,0 +1,64 @@
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From 529d7d039a8783cb5745330c9731626a608553db Mon Sep 17 00:00:00 2001
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From: Miroslav Rezanina <mrezanin@redhat.com>
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Date: Wed, 9 Nov 2022 05:09:40 -0500
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Subject: [PATCH 3/3] host-libusb: Remove unused variable
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RH-Author: Miroslav Rezanina <mrezanin@redhat.com>
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RH-MergeRequest: 122: Remove variables causing 'Unused but set variable' warning on Clang 15
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RH-Bugzilla: 2141218
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RH-Commit: [3/3] 460bd469b6f262074c407475c5003581f8993855 (mrezanin/centos-src-qemu-kvm)
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Variable unconnected used in usb_host_auto_check function is only incremented
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but never read as line where it is read was disabled since introducing the code.
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This causes 'Unused but set variable' warning on Clang 15.0.1 compiler.
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Removing the variable and disabled code to prevent the warning.
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/usb/host-libusb.c | 15 ---------------
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1 file changed, 15 deletions(-)
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diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
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index 28f8af8941..176868d345 100644
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--- a/hw/usb/host-libusb.c
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+++ b/hw/usb/host-libusb.c
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@@ -1837,7 +1837,6 @@ static void usb_host_auto_check(void *unused)
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struct USBAutoFilter *f;
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libusb_device **devs = NULL;
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struct libusb_device_descriptor ddesc;
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- int unconnected = 0;
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int i, n;
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if (usb_host_init() != 0) {
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@@ -1897,9 +1896,6 @@ static void usb_host_auto_check(void *unused)
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libusb_free_device_list(devs, 1);
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QTAILQ_FOREACH(s, &hostdevs, next) {
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- if (s->dh == NULL) {
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- unconnected++;
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- }
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if (s->seen == 0) {
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if (s->dh) {
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usb_host_close(s);
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@@ -1908,17 +1904,6 @@ static void usb_host_auto_check(void *unused)
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}
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s->seen = 0;
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}
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-
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-#if 0
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- if (unconnected == 0) {
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- /* nothing to watch */
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- if (usb_auto_timer) {
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- timer_del(usb_auto_timer);
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- trace_usb_host_auto_scan_disabled();
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- }
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- return;
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- }
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-#endif
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}
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if (!usb_vmstate) {
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--
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2.31.1
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45
kvm-qemu-img-remove-unused-variable.patch
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45
kvm-qemu-img-remove-unused-variable.patch
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@ -0,0 +1,45 @@
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From 2458bcc8497fb12ad81e9fd5d05a6164d25f00d6 Mon Sep 17 00:00:00 2001
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From: Miroslav Rezanina <mrezanin@redhat.com>
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Date: Wed, 9 Nov 2022 05:12:46 -0500
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Subject: [PATCH 2/3] qemu-img: remove unused variable
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RH-Author: Miroslav Rezanina <mrezanin@redhat.com>
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RH-MergeRequest: 122: Remove variables causing 'Unused but set variable' warning on Clang 15
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RH-Bugzilla: 2141218
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RH-Commit: [2/3] 9cd54891567781090accfb68aa5d80d2c6d68584 (mrezanin/centos-src-qemu-kvm)
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Variable block_count used in img_dd function is only incremented but never read.
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This causes 'Unused but set variable' warning on Clang 15.0.1 compiler.
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Removing the variable to prevent the warning.
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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qemu-img.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/qemu-img.c b/qemu-img.c
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index 7d4b33b3da..987da256ef 100644
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--- a/qemu-img.c
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+++ b/qemu-img.c
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@@ -4919,7 +4919,7 @@ static int img_dd(int argc, char **argv)
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const char *out_fmt = "raw";
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const char *fmt = NULL;
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int64_t size = 0;
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- int64_t block_count = 0, out_pos, in_pos;
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+ int64_t out_pos, in_pos;
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bool force_share = false;
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struct DdInfo dd = {
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.flags = 0,
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@@ -5119,7 +5119,7 @@ static int img_dd(int argc, char **argv)
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in.buf = g_new(uint8_t, in.bsz);
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- for (out_pos = 0; in_pos < size; block_count++) {
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+ for (out_pos = 0; in_pos < size; ) {
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int bytes = (in_pos + in.bsz > size) ? size - in_pos : in.bsz;
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ret = blk_pread(blk1, in_pos, bytes, in.buf, 0);
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--
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2.31.1
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44
kvm-rtl8139-Remove-unused-variable.patch
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44
kvm-rtl8139-Remove-unused-variable.patch
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@ -0,0 +1,44 @@
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From a89fed7cdbee76f9a7083ca04e079ab991737eeb Mon Sep 17 00:00:00 2001
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From: Miroslav Rezanina <mrezanin@redhat.com>
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Date: Wed, 9 Nov 2022 06:40:47 -0500
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Subject: [PATCH 1/3] rtl8139: Remove unused variable
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RH-Author: Miroslav Rezanina <mrezanin@redhat.com>
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RH-MergeRequest: 122: Remove variables causing 'Unused but set variable' warning on Clang 15
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RH-Bugzilla: 2141218
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RH-Commit: [1/3] ffec7ff0238c6859a5ddaea80fcd8e66049fd3fc (mrezanin/centos-src-qemu-kvm)
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Variable send_count used in rtl8139_cplus_transmit_one function is only
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incremented but never read. This causes 'Unused but set variable' warning
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on Clang 15.0.1 compiler.
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Removing the variable to prevent the warning.
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/net/rtl8139.c | 2 --
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1 file changed, 2 deletions(-)
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diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
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index 75dacabc43..445cbd700c 100644
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--- a/hw/net/rtl8139.c
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+++ b/hw/net/rtl8139.c
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@@ -2156,7 +2156,6 @@ static int rtl8139_cplus_transmit_one(RTL8139State *s)
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ip_data_len, saved_size - ETH_HLEN, large_send_mss);
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int tcp_send_offset = 0;
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- int send_count = 0;
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/* maximum IP header length is 60 bytes */
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uint8_t saved_ip_header[60];
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@@ -2261,7 +2260,6 @@ static int rtl8139_cplus_transmit_one(RTL8139State *s)
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/* add transferred count to TCP sequence number */
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stl_be_p(&p_tcp_hdr->th_seq,
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chunk_size + ldl_be_p(&p_tcp_hdr->th_seq));
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- ++send_count;
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}
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/* Stop sending this frame */
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--
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2.31.1
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@ -151,7 +151,7 @@ Obsoletes: %{name}-block-ssh <= %{epoch}:%{version} \
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Summary: QEMU is a machine emulator and virtualizer
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Name: qemu-kvm
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Version: 7.1.0
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Release: 4%{?rcrel}%{?dist}%{?cc_suffix}
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Release: 5%{?rcrel}%{?dist}%{?cc_suffix}
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# Epoch because we pushed a qemu-1.0 package. AIUI this can't ever be dropped
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# Epoch 15 used for RHEL 8
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# Epoch 17 used for RHEL 9 (due to release versioning offset in RHEL 8.5)
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@ -251,6 +251,12 @@ Patch46: kvm-Revert-Re-enable-capstone-internal-build.patch
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Patch47: kvm-target-i386-kvm-fix-kvmclock_current_nsec-Assertion-.patch
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# For bz#2126095 - [rhel9.2][intel_iommu]Booting guest with "-device intel-iommu,intremap=on,device-iotlb=on,caching-mode=on" causes kernel call trace
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Patch48: kvm-Revert-intel_iommu-Fix-irqchip-X2APIC-configuration-.patch
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# For bz#2141218 - qemu-kvm build fails with clang 15.0.1 due to false unused variable error
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Patch49: kvm-rtl8139-Remove-unused-variable.patch
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# For bz#2141218 - qemu-kvm build fails with clang 15.0.1 due to false unused variable error
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Patch50: kvm-qemu-img-remove-unused-variable.patch
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# For bz#2141218 - qemu-kvm build fails with clang 15.0.1 due to false unused variable error
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Patch51: kvm-host-libusb-Remove-unused-variable.patch
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%if %{have_clang}
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BuildRequires: clang
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@ -1283,6 +1289,13 @@ useradd -r -u 107 -g qemu -G kvm -d / -s /sbin/nologin \
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%endif
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%changelog
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* Mon Nov 14 2022 Miroslav Rezanina <mrezanin@redhat.com> - 7.1.0-5
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- kvm-rtl8139-Remove-unused-variable.patch [bz#2141218]
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- kvm-qemu-img-remove-unused-variable.patch [bz#2141218]
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- kvm-host-libusb-Remove-unused-variable.patch [bz#2141218]
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- Resolves: bz#2141218
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(qemu-kvm build fails with clang 15.0.1 due to false unused variable error)
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* Tue Nov 01 2022 Miroslav Rezanina <mrezanin@redhat.com> - 7.1.0-4
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- kvm-Revert-intel_iommu-Fix-irqchip-X2APIC-configuration-.patch [bz#2126095]
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- Resolves: bz#2126095
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