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authorLike Xu <likexu@tencent.com>2023-07-24 13:12:36 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2023-07-29 17:05:26 +0200
commit5e1fe4a21c0c2a69419d97d62d3213e8f843920d (patch)
tree8d30d333559ff84e4f66cbb754a285ec51a7024e /fs/hugetlbfs/Makefile
parentKVM: X86: Use GFP_KERNEL_ACCOUNT for pid_table in ipiv (diff)
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KVM: x86/irq: Conditionally register IRQ bypass consumer again
As was attempted commit 14717e203186 ("kvm: Conditionally register IRQ bypass consumer"): "if we don't support a mechanism for bypassing IRQs, don't register as a consumer. Initially this applied to AMD processors, but when AVIC support was implemented for assigned devices, kvm_arch_has_irq_bypass() was always returning true. We can still skip registering the consumer where enable_apicv or posted-interrupts capability is unsupported or globally disabled. This eliminates meaningless dev_info()s when the connect fails between producer and consumer", such as on Linux hosts where enable_apicv or posted-interrupts capability is unsupported or globally disabled. Cc: Alex Williamson <alex.williamson@redhat.com> Reported-by: Yong He <alexyonghe@tencent.com> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217379 Signed-off-by: Like Xu <likexu@tencent.com> Message-Id: <20230724111236.76570-1-likexu@tencent.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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