pdp7

QEMU virt: device-tree emission for a CBQRI capacity controller

Date: 2026-06-15 Repos: ~/dev/qemu (implementation), ~/dev/linux (consumer, branch dfustini/atl-sc-cbqri-dt)

Goal

Let the QEMU virt machine boot in device-tree mode and have the kernel's CBQRI cache capacity-allocation platform driver (drivers/resctrl/cbqri_capacity.c, CONFIG_RISCV_CBQRI_CAPACITY) probe a

pdp7

#!/usr/bin/env bash
# Refresh a semcode database: source code (current HEAD or branches),
# lore archives + new shards, then regenerate vector embeddings.
#
# Usage: update-semcode.sh [options]
#
# Options:
#   -s, --source <dir>     source tree to index (default: cwd)
#   -d, --database <dir>   db dir or its parent (default: same as --source)
#       --branches <list>  comma-separated branches to update (uses --update-branches)

pdp7

CBQRI bandwidth allocation on the resctrl multiple-controls framework

Date: 2026-06-02 Branch: dfustini/cbqri-controls-rfc (worktree, based on reinette/resctrl/controls_rfc_v1) Author: Drew Fustini

Status

Approach A approved. The goal is to gauge the cost of re-modeling CBQRI's two bandwidth allocations onto Reinette Chatre's "multiple controls per resource"

pdp7

#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 7.1.0-rc3 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (Ubuntu 13.3.0-6ubuntu2~24.04.1) 13.3.0"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=130300
CONFIG_CLANG_VERSION=0
CONFIG_AS_IS_GNU=y
CONFIG_AS_VERSION=24200

pdp7

  color body red   default "^-[^- ].*"
  color body red   default "^-(\t|  +).*"
  color body green default "^\\+[^+ ].*"
  color body green default "^\\+(\t|  +).*"

pdp7

tt-p14-dfustini
    description: Notebook
    product: 21QLS0AF00 (LENOVO_MT_21QL_BU_Think_FM_ThinkPad P14s Gen 6 AMD)
    vendor: LENOVO
    version: ThinkPad P14s Gen 6 AMD
    serial: SD00M475
    width: 64 bits
    capabilities: smbios-3.4.0 dmi-3.4.0 smp vsyscall32
    configuration: administrator_password=disabled chassis=notebook family=ThinkPad P14s Gen 6 AMD power-on_password=disabled sku=LENOVO_MT_21QL_BU_Think_FM_ThinkPad P14s Gen 6 AMD uuid=6d27cfcc-256e-11b2-a85c-eeb55d50b212
  *-core

pdp7

Sashiko v4 review findings: verification and fix plan

Handoff document for working on fixes to v4 of the Ssqosid/CBQRI/RQSC patch series. Self-contained, no external memory required.

Current status (2026-05-14)

Fixes folded into b4/ssqosid-cbqri-rqsc (the v5-prep branch in the main worktree). Cover commit carries the v4-to-v5 changelog; b4 sees revision 5 with base ef5f46b63023. Series stays at 18 patches,

pdp7

name	sashiko-v4-review-findings
description	Sashiko-bot findings against v4 of Ssqosid/CBQRI/RQSC sent 2026-05-10; all real-meaningful findings folded into b4/ssqosid-cbqri-rqsc except 3 documented deferrals
metadata	node_type type originSessionId memory project 369cbf1c-f4dc-48d1-a4fb-5ef5b2598277

Source

pdp7

#!/bin/bash
# Run checkpatch --strict on commits since HEAD~N
# Usage: ./checkpatch-series.sh <num_commits>

COMMITS=${1:?Usage: $0 <num_commits>}

for i in $(git log --oneline HEAD~"${COMMITS}"..HEAD | cut -f1 -d' '); do
    echo "$i"
    ./scripts/checkpatch.pl --strict -g "$i"
    echo "=============================================="

pdp7

#!/bin/bash
# Run smatch, sparse, and coccinelle on C files changed in the series
# Usage: ./check-series.sh [num_commits]  (default: 6)

COMMITS=${1:-6}
MAKE_ARGS=(W=1 ARCH=riscv LLVM=1 -j"$(nproc)")

mapfile -t CHANGED < <(git diff "HEAD~${COMMITS}..HEAD" --name-only -- '*.c')