| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <1272364712-17425-22-git-send-email-joerg.roedel@amd.com> Date: Tue, 27 Apr 2010 12:38:31 +0200 From: Joerg Roedel <joerg.roedel@....com> To: Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com> CC: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, Joerg Roedel <joerg.roedel@....com> Subject: [PATCH 21/22] KVM: SVM: Report Nested Paging support to userspace This patch implements the reporting of the nested paging feature support to userspace. Signed-off-by: Joerg Roedel <joerg.roedel@....com> --- arch/x86/kvm/svm.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 266b1d4..6d6b300 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3233,7 +3233,12 @@ static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry) entry->ebx = 8; /* Lets support 8 ASIDs in case we add proper ASID emulation to nested SVM */ entry->ecx = 0; /* Reserved */ - entry->edx = 0; /* Do not support any additional features */ + entry->edx = 0; /* Per default do not support any + additional features */ + + /* Support NPT for the guest if enabled */ + if (npt_enabled) + entry->edx = SVM_FEATURE_NPT; break; } -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists