52 lines
1.9 KiB
Diff
52 lines
1.9 KiB
Diff
From 2e6abea3a9ab2e6c32279d9513bab291d4095d94 Mon Sep 17 00:00:00 2001
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Message-ID: <2e6abea3a9ab2e6c32279d9513bab291d4095d94.1763133105.git.jdenemar@redhat.com>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Wed, 8 Oct 2025 12:24:12 +0200
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Subject: [PATCH] qemu_validate: Reflect dependencies of hv-tlbflush-direct
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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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Per QEMU documentation (docs/system/i386/hyperv.rst):
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``hv-tlbflush-direct``
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The enlightenment is nested specific, it targets Hyper-V on KVM guests. <snip/>
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Requires: ``hv-vapic``
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Reflect this dependency when validating domain definition.
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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(cherry picked from commit 1d2873f9c6f8de24b47183249cc137861413ea56)
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Resolves: https://issues.redhat.com/browse/RHEL-122930
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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---
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src/qemu/qemu_validate.c | 11 +++++++++++
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1 file changed, 11 insertions(+)
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diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
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index 3d07c23ea5..22565d9e36 100644
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--- a/src/qemu/qemu_validate.c
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+++ b/src/qemu/qemu_validate.c
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@@ -133,6 +133,17 @@ qemuValidateDomainDefHypervFeatures(const virDomainDef *def)
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CHECK_HV_FEAT(VIR_DOMAIN_HYPERV_EVMCS, VIR_DOMAIN_HYPERV_VAPIC);
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+ if (def->hyperv_features[VIR_DOMAIN_HYPERV_TLBFLUSH] == VIR_TRISTATE_SWITCH_ON &&
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+ def->hyperv_tlbflush_direct == VIR_TRISTATE_SWITCH_ON) {
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+ if (def->hyperv_features[VIR_DOMAIN_HYPERV_VAPIC] != VIR_TRISTATE_SWITCH_ON) {
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+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
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+ _("'%1$s' hyperv feature requires '%2$s' feature"),
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+ VIR_CPU_x86_HV_TLBFLUSH_DIRECT,
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+ virDomainHypervTypeToString(VIR_DOMAIN_HYPERV_VAPIC));
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+ return -1;
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+ }
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+ }
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+
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return 0;
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}
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--
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2.51.1
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