diff options
| author |   Sean Christopherson <seanjc@google.com> | 2024-11-27 17:34:20 -0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2024-12-18 14:20:19 -0800 |
| commit | 3fd55b52279531c6211cb1037e929ea890fbeb59 (patch) | |
| tree | 9e483cc2a1448245c422a9cb4a5acab99d859fc6 /scripts/generate_rust_analyzer.py | |
| parent | KVM: x86: Add a macro for features that are synthesized into boot_cpu_data (diff) | |
| download | wireguard-linux-3fd55b52279531c6211cb1037e929ea890fbeb59.tar.xz wireguard-linux-3fd55b52279531c6211cb1037e929ea890fbeb59.zip | |
KVM: x86: Pull CPUID capabilities from boot_cpu_data only as needed
Don't memcpy() all of boot_cpu_data.x86_capability, and instead explicitly
fill each kvm_cpu_cap_init leaf during kvm_cpu_cap_init(). While clever,
copying all kernel capabilities risks over-reporting KVM capabilities,
e.g. if KVM added support in __do_cpuid_func(), but neglected to init the
supported set of capabilities.
Note, explicitly grabbing leafs deliberately keeps Linux-defined leafs as
0! KVM should never advertise Linux-defined leafs; any relevant features
that are "real", but scattered, must be gathered in their correct hardware-
defined leaf.
Link: https://lore.kernel.org/r/20241128013424.4096668-54-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'scripts/generate_rust_analyzer.py')
0 files changed, 0 insertions, 0 deletions