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| author | Pawan Gupta <pawan.kumar.gupta@linux.intel.com> | 2023-08-14 21:54:27 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-09-21 10:39:51 +0200 |
| commit | 3a2a1f97ea349745094e789e6b0768dbd92d0dcd (patch) | |
| tree | 12d0ccd5dfcb336070345d1c89c4287be474076f /hw/misc/omap_tap.c | |
| parent | 0c49c9180c5498bcd55edc1bfb12b0466e08575c (diff) | |
| download | qemu-3a2a1f97ea349745094e789e6b0768dbd92d0dcd.zip qemu-3a2a1f97ea349745094e789e6b0768dbd92d0dcd.tar.gz qemu-3a2a1f97ea349745094e789e6b0768dbd92d0dcd.tar.bz2 | |
target/i386: Export GDS_NO bit to guests
Gather Data Sampling (GDS) is a side-channel attack using Gather
instructions. Some Intel processors will set ARCH_CAP_GDS_NO bit in
MSR IA32_ARCH_CAPABILITIES to report that they are not vulnerable to
GDS.
Make this bit available to guests.
Closes: https://lore.kernel.org/qemu-devel/CAMGffEmG6TNq0n3+4OJAgXc8J0OevY60KHZekXCBs3LoK9vehA@mail.gmail.com/
Reported-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Tested-by: Jack Wang <jinpu.wang@ionos.com>
Tested-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Message-ID: <fde42d81ce454477ca8e27d5429a190b7366fe86.1692074650.git.pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/misc/omap_tap.c')
0 files changed, 0 insertions, 0 deletions