b7fbd568b2
- kvm-migration-Move-yank-outside-qemu_start_incoming_migr.patch [bz#1974683] - kvm-migration-Allow-reset-of-postcopy_recover_triggered-.patch [bz#1974683] - kvm-Remove-RHEL-7.0.0-machine-type.patch [bz#1968519] - kvm-Remove-RHEL-7.1.0-machine-type.patch [bz#1968519] - kvm-Remove-RHEL-7.2.0-machine-type.patch [bz#1968519] - kvm-Remove-RHEL-7.3.0-machine-types.patch [bz#1968519] - kvm-Remove-RHEL-7.4.0-machine-types.patch [bz#1968519] - kvm-Remove-RHEL-7.5.0-machine-types.patch [bz#1968519] - kvm-acpi-pc-revert-back-to-v5.2-PCI-slot-enumeration.patch [bz#1957194] - kvm-migration-failover-reset-partially_hotplugged.patch [bz#1957194] - kvm-hmp-Fix-loadvm-to-resume-the-VM-on-success-instead-o.patch [bz#1957194] - kvm-migration-Move-bitmap_mutex-out-of-migration_bitmap_.patch [bz#1957194] - kvm-i386-cpu-Expose-AVX_VNNI-instruction-to-guest.patch [bz#1957194] - kvm-ratelimit-protect-with-a-mutex.patch [bz#1957194] - kvm-Update-Linux-headers-to-5.13-rc4.patch [bz#1957194] - kvm-i386-Add-ratelimit-for-bus-locks-acquired-in-guest.patch [bz#1957194] - kvm-iothread-generalize-iothread_set_param-iothread_get_.patch [bz#1957194] - kvm-iothread-add-aio-max-batch-parameter.patch [bz#1957194] - kvm-linux-aio-limit-the-batch-size-using-aio-max-batch-p.patch [bz#1957194] - kvm-block-nvme-Fix-VFIO_MAP_DMA-failed-No-space-left-on-.patch [bz#1957194] - kvm-migration-move-wait-unplug-loop-to-its-own-function.patch [bz#1957194] - kvm-migration-failover-continue-to-wait-card-unplug-on-e.patch [bz#1957194] - kvm-aarch64-Add-USB-storage-devices.patch [bz#1957194] - kvm-iotests-Improve-and-rename-test-291-to-qemu-img-bitm.patch [bz#1957194] - kvm-qemu-img-Fail-fast-on-convert-bitmaps-with-inconsist.patch [bz#1957194] - kvm-qemu-img-Add-skip-broken-bitmaps-for-convert-bitmaps.patch [bz#1957194] - kvm-audio-Never-send-migration-section.patch [bz#1957194] - kvm-pc-bios-s390-ccw-bootmap-Silence-compiler-warning-fr.patch [bz#1939509 bz#1940132] - kvm-pc-bios-s390-ccw-Use-reset_psw-pointer-instead-of-ha.patch [bz#1939509 bz#1940132] - kvm-pc-bios-s390-ccw-netboot-Use-Wl-prefix-to-pass-param.patch [bz#1939509 bz#1940132] - kvm-pc-bios-s390-ccw-Silence-warning-from-Clang-by-marki.patch [bz#1939509 bz#1940132] - kvm-pc-bios-s390-ccw-Fix-the-cc-option-macro-in-the-Make.patch [bz#1939509 bz#1940132] - kvm-pc-bios-s390-ccw-Silence-GCC-11-stringop-overflow-wa.patch [bz#1939509 bz#1940132] - kvm-pc-bios-s390-ccw-Allow-building-with-Clang-too.patch [bz#1939509 bz#1940132] - kvm-pc-bios-s390-ccw-Fix-inline-assembly-for-older-versi.patch [bz#1939509 bz#1940132] - kvm-configure-Fix-endianess-test-with-LTO.patch [bz#1939509 bz#1940132] - kvm-spec-Switch-toolchain-to-Clang-LLVM.patch [bz#1939509 bz#1940132] - kvm-spec-Use-safe-stack-for-x86_64.patch [bz#1939509 bz#1940132] - kvm-spec-Reenable-write-support-for-VMDK-etc.-in-tools.patch [bz#1989841] - Resolves: bz#1974683 (Fail to set migrate incoming for 2nd time after the first time failed) - Resolves: bz#1968519 (Remove all the old 7.0-7.5 machine types) - Resolves: bz#1957194 (Synchronize RHEL-AV 8.5.0 changes to RHEL 9.0.0 Beta) - Resolves: bz#1939509 (QEMU: enable SafeStack) - Resolves: bz#1940132 (QEMU: switch build toolchain to Clang/LLVM) - Resolves: bz#1989841 (RFE: qemu-img cannot convert images into vmdk and vpc formats)
60 lines
2.1 KiB
Diff
60 lines
2.1 KiB
Diff
From 12acb42f2e6317a530fa01b5cf55a199231bfdce Mon Sep 17 00:00:00 2001
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From: Thomas Huth <thuth@redhat.com>
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Date: Sun, 2 May 2021 13:49:20 +0200
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Subject: [PATCH 31/39] pc-bios/s390-ccw: Silence warning from Clang by marking
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panic() as noreturn
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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: Jon Maloy <jmaloy@redhat.com>
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RH-MergeRequest: 24: v7: Add support for building qemu-kvm with clang and safe-stack
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RH-Commit: [4/11] 806b776bf01b733e04664534641cf89d1cb48f1b (jmaloy/qemu-kvm-centos-jon)
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RH-Bugzilla: 1939509 1940132
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RH-Acked-by: Danilo Cesar Lemes de Paula <ddepaula@redhat.com>
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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When compiling the s390-ccw bios with Clang, the compiler emits a warning:
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pc-bios/s390-ccw/main.c:210:5: warning: variable 'found' is used uninitialized
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whenever switch default is taken [-Wsometimes-uninitialized]
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default:
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^~~~~~~
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pc-bios/s390-ccw/main.c:214:16: note: uninitialized use occurs here
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IPL_assert(found, "Boot device not found\n");
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^~~~~
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It's a false positive, it only happens because Clang is not smart enough
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to see that the panic() function in the "default:" case can never return.
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Anyway, let's explicitely mark panic() with "noreturn" to shut up the
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warning.
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Message-Id: <20210502174836.838816-2-thuth@redhat.com>
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Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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Reviewed-by: Cornelia Huck <cohuck@redhat.com>
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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(cherry picked from commit 679196a646c91b8ce9a97b0aa81ffb3776cf8046)
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Signed-off-by: Jon Maloy <jmaloy@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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pc-bios/s390-ccw/s390-ccw.h | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/pc-bios/s390-ccw/s390-ccw.h b/pc-bios/s390-ccw/s390-ccw.h
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index 6cd92669e9..79db69ff54 100644
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--- a/pc-bios/s390-ccw/s390-ccw.h
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+++ b/pc-bios/s390-ccw/s390-ccw.h
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@@ -89,6 +89,7 @@ bool menu_is_enabled_enum(void);
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#define MAX_BOOT_ENTRIES 31
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+__attribute__ ((__noreturn__))
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static inline void panic(const char *string)
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{
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sclp_print(string);
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--
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2.27.0
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