Yang, Sheng wrote:
From f02d2ccf01e8671d2da517f14a908d1df1cc42ad Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Thu, 19 Jun 2008 18:41:26 +0800
Subject: [PATCH] KVM: Report hardware virtualization features
The hardware virtualization technology evolves very fast. But currently it's
hard to tell if your CPU support certain kind of HW technology without dig
into the source code.
The patch introduced a virtual file called "kvm_hw_feature_report" under
/sys/devices/system/kvm/kvm0 to show the mainly important current hardware
virtualization feature, then it's pretty easy to tell if your CPU support
some advanced virtualization technology now.
Yes, this is definitely helpful. However, I think that users will
expect cpu flags under /proc/cpuinfo.
Perhaps we should add a new line 'virt flags' to /proc/cpuinfo? I think
all the features are reported using msrs, so it can be done from
arch/x86/kernel/cpu/proc.c without involving kvm at all.
--
Do not meddle in the internals of kernels, for they are subtle and quick to
panic.
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