7f46c79c5d
- Update to v6.1: see https://wiki.qemu.org/ChangeLog/6.1 For a full list of formely deprecated features that are removed, consult: https://qemu-project.gitlab.io/qemu/about/removed-features.html For a list of new deprecated features, consult: https://qemu-project.gitlab.io/qemu/about/deprecated.html Some noteworthy changes: * Removed moxie CPU. * Removed lm32 CPU. * Removed unicore32 CPU. * Removed 'info cpustats'. * Added Aspeed machines: rainier-bmc, quanta-q7l1-bmc. * Added npcm7xx machine: quanta-gbs-bmc. * Model for Aspeed's Hash and Crypto Engine. * SVE2 is now emulated, including bfloat16 support * FEAT_I8MM, FEAT_TLBIOS, FEAT_TLBRANGE, FEAT_BF16, FEAT_AA32BF16, and FEAT_MTE3 are now emulated. * Improved hot-unplug failures on PowerPC pseries machine. * Implemented some POWER10 instructions in TCG. * Added shakti_c RISC-V machine. * Improved documentation for RISC-V machines. * CPU models for gen16 have been added for s390x. * New CPU model versions added with XSAVES enabled: Skylake-Client-v4, Skylake-Server-v5, Cascadelake-Server-v5, Cooperlake-v2, Icelake-Client-v3, Icelake-Server-v5, Denverton-v3, Snowridge-v3, Dhyana-v2 * Added ACPI based PCI hotplug support to Q35 machine. Enabled and used by default since pc-q35-6.1 machine type. * Added support for the pca9546 and pca9548 I2C muxes. * Added support for PMBus and several PMBus devices. * Crypto subsystem: The preferred crypto backend driver now gnutls, with libgcrypt as the second choice, and nettle as third choice, with ordering driven mostly by performance of the ciphers. * Misc doc improvements. * Patches removed: block-nvme-Fix-VFIO_MAP_DMA-failed-No-sp.patch hmp-Fix-loadvm-to-resume-the-VM-on-succe.patch hw-block-nvme-align-with-existing-style.patch hw-block-nvme-consider-metadata-read-aio.patch hw-net-can-sja1000-fix-buff2frame_bas-an.patch hw-nvme-fix-missing-check-for-PMR-capabi.patch hw-nvme-fix-pin-based-interrupt-behavior.patch hw-pci-host-q35-Ignore-write-of-reserved.patch hw-rdma-Fix-possible-mremap-overflow-in-.patch hw-rx-rx-gdbsim-Do-not-accept-invalid-me.patch hw-usb-Do-not-build-USB-subsystem-if-not.patch hw-usb-host-stub-Remove-unused-header.patch linux-user-aarch64-Enable-hwcap-for-RND-.patch module-for-virtio-gpu-pre-load-module-to.patch monitor-qmp-fix-race-on-CHR_EVENT_CLOSED.patch pvrdma-Ensure-correct-input-on-ring-init.patch pvrdma-Fix-the-ring-init-error-flow-CVE-.patch qemu-config-load-modules-when-instantiat.patch qemu-config-parse-configuration-files-to.patch qemu-config-use-qemu_opts_from_qdict.patch runstate-Initialize-Error-to-NULL.patch sockets-update-SOCKET_ADDRESS_TYPE_FD-li.patch target-i386-Exit-tb-after-wrmsr.patch target-sh4-Return-error-if-CPUClass-get_.patch tcg-Allocate-sufficient-storage-in-temp_.patch tcg-arm-Fix-tcg_out_op-function-signatur.patch tcg-sparc-Fix-temp_allocate_frame-vs-spa.patch ui-Fix-memory-leak-in-qemu_xkeymap_mappi.patch usb-hid-avoid-dynamic-stack-allocation.patch usb-limit-combined-packets-to-1-MiB-CVE-.patch usb-mtp-avoid-dynamic-stack-allocation.patch usb-redir-avoid-dynamic-stack-allocation.patch usbredir-fix-free-call.patch vfio-ccw-Permit-missing-IRQs.patch vhost-user-blk-Check-that-num-queues-is-.patch vhost-user-blk-Don-t-reconnect-during-in.patch vhost-user-blk-Fail-gracefully-on-too-la.patch vhost-user-blk-Get-more-feature-flags-fr.patch vhost-user-blk-Make-sure-to-set-Error-on.patch vhost-user-gpu-abstract-vg_cleanup_mappi.patch vhost-user-gpu-fix-leak-in-virgl_cmd_res.patch vhost-user-gpu-fix-leak-in-virgl_resourc.patch vhost-user-gpu-fix-memory-disclosure-in-.patch vhost-user-gpu-fix-memory-leak-in-vg_res.patch vhost-user-gpu-fix-memory-leak-while-cal.patch vhost-user-gpu-fix-OOB-write-in-virgl_cm.patch vhost-user-gpu-fix-resource-leak-in-vg_r.patch vhost-vdpa-don-t-initialize-backend_feat.patch virtio-blk-Fix-rollback-path-in-virtio_b.patch virtio-Fail-if-iommu_platform-is-request.patch virtiofsd-Fix-side-effect-in-assert.patch vl-allow-not-specifying-size-in-m-when-u.patch vl-Fix-an-assert-failure-in-error-path.patch vl-plug-object-back-into-readconfig.patch vl-plumb-keyval-based-options-into-readc.patch x86-acpi-use-offset-instead-of-pointer-w.patch OBS-URL: https://build.opensuse.org/request/show/914430 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=665
50 lines
1.9 KiB
Diff
50 lines
1.9 KiB
Diff
From: Bruce Rogers <brogers@suse.com>
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Date: Wed, 9 Mar 2016 15:18:11 -0700
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Subject: xen_disk: Add suse specific flush disable handling and map to QEMU
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equiv
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Add code to read the suse specific suse-diskcache-disable-flush flag out
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of xenstore, and set the equivalent flag within QEMU.
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Patch taken from Xen's patch queue, Olaf Hering being the original author.
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[bsc#879425]
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[BR: minor edits to pass qemu's checkpatch script]
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[BR: With qdevification of xen-block, code has changed significantly]
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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Signed-off-by: Olaf Hering <olaf@aepfle.de>
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---
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hw/block/xen-block.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/hw/block/xen-block.c b/hw/block/xen-block.c
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index 674953f1adeeaec6a81d9857144e..07b3be7b9b9f6093642363f13187 100644
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--- a/hw/block/xen-block.c
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+++ b/hw/block/xen-block.c
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@@ -723,6 +723,8 @@ static XenBlockDrive *xen_block_drive_create(const char *id,
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const char *mode = qdict_get_try_str(opts, "mode");
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const char *direct_io_safe = qdict_get_try_str(opts, "direct-io-safe");
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const char *discard_enable = qdict_get_try_str(opts, "discard-enable");
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+ const char *suse_diskcache_disable_flush = qdict_get_try_str(opts,
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+ "suse-diskcache-disable-flush");
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char *driver = NULL;
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char *filename = NULL;
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XenBlockDrive *drive = NULL;
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@@ -803,6 +805,16 @@ static XenBlockDrive *xen_block_drive_create(const char *id,
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}
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}
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+ if (suse_diskcache_disable_flush) {
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+ unsigned long value;
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+ if (!qemu_strtoul(suse_diskcache_disable_flush, NULL, 2, &value) && !!value) {
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+ QDict *cache_qdict = qdict_new();
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+
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+ qdict_put_bool(cache_qdict, "no-flush", true);
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+ qdict_put_obj(file_layer, "cache", QOBJECT(cache_qdict));
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+ }
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+ }
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+
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/*
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* It is necessary to turn file locking off as an emulated device
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* may have already opened the same image file.
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