v2.1.2

[AMD]

• Route SMN I/O through per-UMC PCI device on multi-die platforms
• Remove AMD_UMC_Normalize_Channels() function
• Skip Rank calculation when secondary regions are active
• Aggregate DIMM size from RAM regions
• [UMC] Attempt to detect shared DRAM CS mask

[x86_64]

• Decode and display Extended Supervisor State Mask (XSS)
• STMXCSR: remove XCR0.SSE condition with legacy architectures
• Reorder processing logic of XCR0 and MXCSR registers
• [AVX|SSE] Media and Extended Control and Status Register
• [Intel][AMD] Complete CPUID dump leaf list from updated specs

[Intel]

• Rephrase to " Advanced Matrix Extensions Brain Float16 "
• Rename CPUID.(EAX=0x29, ECX=0).EBX[0] feature to APX_NDD_NF
• Display AVX10-128/256/512 and APX-NCI_NDD_NF CPUID bits
• Display APX_F, AMX_COMPLEX and new leaf 7.1 features
• Dump additional CPUID leaves through 0x29

[CLI]

• Show blanks instead of zero values in DIMM geometry

[Doc]

• [AMD] DDR4 Limit encoding specification
• [AMD] DDR5 Limit encoding specification
• [AMD] Register HWCR[34] Downgrade FP512 to FP256
• [Intel] Architecture Instruction Set Extensions and Future Features
• [x86_64] Dump undocumented CPUID leaves introduced in AMD Family 1Ah
• [AMD][Zen] Fix the bit fields of AMD_CPPC_REQUEST MSR register

[Build]

• [CR] Fix __builtin_strnlen() fallback for GCC < 7
• [CR] Propagate StrCopy() hardening to other architectures
• [CR] Ensure bounded and null-terminated string copies
• [Build] Add a dependency to create Symlink first
• [Build] Fix module rebuild dependency tracking
• [Build][openSUSE] Fix WRMSRNS collision with Leap 16.0 kernel headers (#594)

[Kernel]

• [aarch64][ppc64][riscv64] Make use of cpufreq_cpu_put()
• [CPUFreq] Fallback to policy-based governor label when unavailable
• [CPPC] Read per CPU the updated ACPI-CPPC registers
• [CPPC] Read the updated ACPI-CPPC registers
• [CR][Kernel] Remove __free(put_cpufreq_policy) dependency
• [CR][Kernel] Call cpufreq_cpu_put() to release cpu_policy
• [CPPC] Compute Bounds after altering the Energy Policy