From: Paolo Bonzini <pbonzini@redhat.com>
To: Joao Martins <joao.m.martins@oracle.com>
Cc: stable@vger.kernel.org, David Matlack <dmatlack@google.com>,
Maxim Levitsky <mlevitsk@redhat.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH] selftests: KVM: avoid failures due to reserved HyperTransport region
Date: Mon, 9 Aug 2021 11:03:22 +0200 [thread overview]
Message-ID: <5f3c13be-f65d-1793-bd91-7491d3e149b0@redhat.com> (raw)
In-Reply-To: <4b530fb6-81cc-be36-aa68-92ec01c65775@oracle.com>
On 06/08/21 12:57, Joao Martins wrote:
> Base Address Top Address Use
>
> FD_0000_0000h FD_F7FF_FFFFh Reserved interrupt address space
> FD_F800_0000h FD_F8FF_FFFFh Interrupt/EOI IntCtl
> FD_F900_0000h FD_F90F_FFFFh Legacy PIC IACK
> FD_F910_0000h FD_F91F_FFFFh System Management
> FD_F920_0000h FD_FAFF_FFFFh Reserved Page Tables
> FD_FB00_0000h FD_FBFF_FFFFh Address Translation
> FD_FC00_0000h FD_FDFF_FFFFh I/O Space
> FD_FE00_0000h FD_FFFF_FFFFh Configuration
> FE_0000_0000h FE_1FFF_FFFFh Extended Configuration/Device Messages
> FE_2000_0000h FF_FFFF_FFFFh Reserved
The problems we're seeing are with FFFD_0000_0000h. How does the IOMMU
interpret bits 40-47 of the address?
Paolo
next prev parent reply other threads:[~2021-08-09 9:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-05 10:54 Paolo Bonzini
2021-08-05 11:23 ` Maxim Levitsky
2021-08-06 10:57 ` Joao Martins
2021-08-09 7:45 ` Maxim Levitsky
2021-08-09 9:03 ` Paolo Bonzini [this message]
2021-08-09 10:00 ` Joao Martins
2021-08-09 10:23 ` Paolo Bonzini
2021-12-08 16:54 ` Sean Christopherson
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