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| author | Chenyi Qiang | 2021-02-02 10:02:24 +0100 |
|---|---|---|
| committer | Paolo Bonzini | 2021-02-25 14:14:33 +0100 |
| commit | 06e878b413766778a53be3d25c0373a23679d039 (patch) | |
| tree | 5fbaf0ce96a47137306a10bd2321394951f081e8 /docs | |
| parent | qom/object.c: Fix typo (diff) | |
| download | qemu-06e878b413766778a53be3d25c0373a23679d039.tar.gz qemu-06e878b413766778a53be3d25c0373a23679d039.tar.xz qemu-06e878b413766778a53be3d25c0373a23679d039.zip | |
target/i386: Add bus lock debug exception support
Bus lock debug exception is a feature that can notify the kernel by
generate an #DB trap after the instruction acquires a bus lock when
CPL>0. This allows the kernel to enforce user application throttling or
mitigations.
This feature is enumerated via CPUID.(EAX=7,ECX=0).ECX[bit 24].
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20210202090224.13274-1-chenyi.qiang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'docs')
0 files changed, 0 insertions, 0 deletions