I hereby claim:
- I am davidlohr on github.
- I am davidlohr (https://keybase.io/davidlohr) on keybase.
- I have a public key whose fingerprint is 75F1 66C4 83D2 BF46 CDA2 E07C 5D3C 6CC7 6ACA FA02
To claim this, I am signing this object:
Davidlohr Bueso davidlohr
davidlohr
/ qemu-4xinterleave-switch-type3.cfg
Last active
December 11, 2023 02:09
syzkaller config - qemu deployment emulating a 4 devices setup below a switch suitable for 1, 2 or 4 way interleave
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| { | |
| "target": "linux/amd64", | |
| "http": "127.0.0.1:56741", | |
| "workdir": "workdir", | |
| "kernel_obj": "/home/dave/code/linux/", | |
| "image": "/img/bullseye.img", | |
| "sshkey": "/img/bullseye.id_rsa", | |
| "syzkaller": "/home/dave/code/syzkaller", | |
| "procs": 8, | |
| "type": "qemu", |
davidlohr
/ qemu-4xinterleave-1cfmw-2hb-2rp-type3.cfg
Last active
December 24, 2024 16:06
syzkaller config - qemu deployment emulating a setup suitable for 4 way interleave. Only one fixed window provided, to enable 2 way interleave across 2 CXL host bridges. Each host bridge has 2 CXL Root Ports, with the CXL Type3 device directly attached (no switches).
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| { | |
| "target": "linux/amd64", | |
| "http": "127.0.0.1:56741", | |
| "workdir": "workdir", | |
| "kernel_obj": "/home/dave/code/linux/", | |
| "image": "/img/bullseye.img", | |
| "sshkey": "/img/bullseye.id_rsa", | |
| "syzkaller": "/home/dave/code/syzkaller", | |
| "procs": 8, | |
| "type": "qemu", |
davidlohr
/ qemu-single-volatile-nolsa-type3.cfg
Last active
December 11, 2023 02:11
syzkaller config - qemu deployment emulating a simple setup with just one directly attached CXL Type 3 volatile memory device
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| { | |
| "target": "linux/amd64", | |
| "http": "127.0.0.1:56741", | |
| "workdir": "workdir", | |
| "kernel_obj": "/home/dave/code/linux/", | |
| "image": "/img/bullseye.img", | |
| "sshkey": "/img/bullseye.id_rsa", | |
| "syzkaller": "/home/dave/code/syzkaller", | |
| "procs": 8, | |
| "type": "qemu", |
davidlohr
/ qemu-single-pmem-type3.cfg
Last active
December 11, 2023 02:09
syzkaller config - qemu deployment emulating a simple setup with just one directly attached CXL Type 3 Persistent Memory device
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| { | |
| "target": "linux/amd64", | |
| "http": "127.0.0.1:56741", | |
| "workdir": "workdir", | |
| "kernel_obj": "/home/dave/code/linux/", | |
| "image": "/img/bullseye.img", | |
| "sshkey": "/img/bullseye.id_rsa", | |
| "syzkaller": "/home/dave/code/syzkaller", | |
| "procs": 8, | |
| "type": "qemu", |
davidlohr
/ kernel callgraph visual
Created
June 9, 2022 18:50
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| Applies to the MM, but works on any subsystem. | |
| Based on https://deferred.io/2015/10/27/visualizing-linux-kernel-call-graphs.html | |
| $ git diff | |
| diff --git a/Makefile b/Makefile | |
| index c43d825a3c4c..3b9f43a112b8 100644 | |
| --- a/Makefile | |
| +++ b/Makefile | |
| @@ -523,7 +523,7 @@ KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE |
davidlohr
/ mmap_sem_to_rangelock.ccocci
Created
May 20, 2019 18:20
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| // Copyright (C) Davidlohr Bueso, 2018. | |
| // | |
| // Convert the infamous mmap_sem to a range lock. | |
| // Usage within the kernel source: | |
| // | |
| // $ make coccicheck MODE=patch COCCI=/path/to/mmap_sem.cocci | |
| virtual patch | |
| virtual context | |
| virtual org |
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| #!/bin/bash | |
| # | |
| # linux kernel CROSS make wrapper | |
| # | |
| # It will download/unpack the cross tool chain if necessary, | |
| # then invoke make with suitable options. | |
| # | |
| # It detects ARCH in 4 ways. | |
| # | |
| # - make.i386 # make it a symlink to this script |
davidlohr
/ kbuild-auto.sh
Last active
March 13, 2016 21:16
Automating tedious kernel hacking related tasks.
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| #!/bin/bash | |
| # | |
| # Copyright (C) 2016 Davidlohr Bueso. | |
| # | |
| # Download and build/install one or more flavors of the Linux kernel. | |
| # Do what you please with this, but you better be root if you expect | |
| # it to do anything useful. Also, probably very SUSE specific, this | |
| # is my only working env. | |
| # | |
| # Usage: |
davidlohr
/ keybase.md
Created
August 15, 2015 03:16