From 575ca409fa21db088c76e57f7285021dd8da1569 Mon Sep 17 00:00:00 2001 From: Vitaly Kuznetsov Date: Wed, 16 Mar 2022 09:36:19 +0100 Subject: [PATCH 04/14] i386: Add Icelake-Server-v6 CPU model with 5-level EPT support RH-Author: Vitaly Kuznetsov RH-MergeRequest: 126: i386: Add Icelake-Server-v6 CPU model with 5-level EPT support RH-Commit: [2/2] a047caa01fafd8ca6a5fa0704b379edab91d4ccc RH-Bugzilla: 2038051 RH-Acked-by: Igor Mammedov RH-Acked-by: Cornelia Huck RH-Acked-by: Paolo Bonzini Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2038051 Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=43862630 commit 12cab535db6440af41ed8dfefe908a594321b6ce Author: Vitaly Kuznetsov Date: Mon Feb 21 15:53:15 2022 +0100 i386: Add Icelake-Server-v6 CPU model with 5-level EPT support Windows 11 with WSL2 enabled (Hyper-V) fails to boot with Icelake-Server {-v5} CPU model but boots well with '-cpu host'. Apparently, it expects 5-level paging and 5-level EPT support to come in pair but QEMU's Icelake-Server CPU model lacks the later. Introduce 'Icelake-Server-v6' CPU model with 'vmx-page-walk-5' enabled by default. Signed-off-by: Vitaly Kuznetsov Message-Id: <20220221145316.576138-1-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini Signed-off-by: Vitaly Kuznetsov --- target/i386/cpu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index aa9e636800..6e25d13339 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -3505,6 +3505,14 @@ static const X86CPUDefinition builtin_x86_defs[] = { { /* end of list */ } }, }, + { + .version = 6, + .note = "5-level EPT", + .props = (PropValue[]) { + { "vmx-page-walk-5", "on" }, + { /* end of list */ } + }, + }, { /* end of list */ } } }, -- 2.31.1