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Searched refs:RFDS (Results 1 – 5 of 5) sorted by relevance

/linux/Documentation/admin-guide/hw-vuln/
H A Dreg-file-data-sampling.rst2 Register File Data Sampling (RFDS)
5 Register File Data Sampling (RFDS) is a microarchitectural vulnerability that
6 only affects Intel Atom parts(also branded as E-cores). RFDS may allow
8 registers, vector registers, or integer registers. RFDS does not provide the
9 ability to choose which data is inferred. CVE-2023-28746 is assigned to RFDS.
35 information using the VERW instruction. Like MDS, RFDS deploys the same
54 - Bit 27 - RFDS_NO - When set, processor is not affected by RFDS.
55 - Bit 28 - RFDS_CLEAR - When set, processor is affected by RFDS, and has the
60 The kernel command line allows to control RFDS mitigation at boot time with the
H A Dattack_vector_controls.rst212 RFDS X X X X
/linux/arch/x86/kernel/cpu/
H A Dcommon.c1274 #define RFDS BIT(7) macro
1316 VULNBL_INTEL_TYPE(INTEL_ALDERLAKE, ATOM, RFDS | VMSCAPE),
1318 VULNBL_INTEL_STEPS(INTEL_ALDERLAKE_L, X86_STEP_MAX, RFDS | VMSCAPE),
1319 VULNBL_INTEL_TYPE(INTEL_RAPTORLAKE, ATOM, RFDS | VMSCAPE),
1321 VULNBL_INTEL_STEPS(INTEL_RAPTORLAKE_P, X86_STEP_MAX, RFDS | VMSCAPE),
1322 VULNBL_INTEL_STEPS(INTEL_RAPTORLAKE_S, X86_STEP_MAX, RFDS | VMSCAPE),
1331 VULNBL_INTEL_STEPS(INTEL_ATOM_GRACEMONT, X86_STEP_MAX, RFDS | VMSCAPE),
1332 VULNBL_INTEL_STEPS(INTEL_ATOM_TREMONT, X86_STEP_MAX, MMIO | MMIO_SBDS | RFDS),
1333 VULNBL_INTEL_STEPS(INTEL_ATOM_TREMONT_D, X86_STEP_MAX, MMIO | RFDS),
1334 VULNBL_INTEL_STEPS(INTEL_ATOM_TREMONT_L, X86_STEP_MAX, MMIO | MMIO_SBDS | RFDS),
[all …]
/linux/arch/x86/
H A DKconfig2577 bool "RFDS Mitigation"
2581 Enable mitigation for Register File Data Sampling (RFDS) by default.
2582 RFDS is a hardware vulnerability which affects Intel Atom CPUs. It
/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt1358 Sampling (RFDS) vulnerability. RFDS is a CPU
1362 RFDS only affects Intel Atom processors.
1370 are enabled. In order to disable RFDS mitigation all