October 2025 monthly summary for the rust-lang/gcc repository focused on stabilizing floating-point behavior in the RISC-V backend by fixing NaN handling in __builtin_round under -ftrapping-math. Implemented a precise adjustment to the round_pattern to raise invalid exceptions for sNaN inputs while preserving qNaN behavior, aligning with GLIBC semantics and eliminating related test failures. The change improves numerical correctness, CI stability, and reliability for downstream users relying on consistent FP exception semantics.

2025-07 Monthly Summary for geerlingguy/linux: Delivered a targeted kernel memory access fix in the RISC-V path to improve reliability and consistency across architectures.

November 2024: Reverted an IDMAC max request size increase in the dw_mmc driver to restore system stability on affected hardware, addressing kernel panics and data corruption. Implemented via commit 1635e407a4a64d08a8517ac59ca14ad4fc785e75 (Revert "mmc: dw_mmc: Fix IDMAC operation with pages bigger than 4K"). This action prevents further instability, reduces incident rate on critical platforms, and preserves data integrity. Highlights include validated impact across target hardware, low regression risk due to targeted revert, and maintained kernel reliability. Next steps: monitor long-term stability and assess any safe-IDMAC sizing ideas for future releases.