[PW_SID:1160850] kbuild: significantly speed up kernel builds - #2624

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linux-riscv-bot wants to merge 23 commits into

workflow__riscv__fixesfrom

pw1160850

Commits on Sep 8, 2026

scripts/mksysmap: drop the MODULE_INFO() symbols from kallsyms

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
ff10bce
scripts/mksysmap: fix escape of '$' in the __pi_ pattern

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
1bbfcb3
kallsyms: index symbols by token to speed up table compression

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
030bb5e
kallsyms: output binary data to speed output and kallsyms assembly

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
181fac3
kbuild: do not sort nm output where the order is irrelevant

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
573517c
kbuild: only emit vmlinux relocations when required

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
af8624c
elf-parse: add section flags, symbol binding and a read-only mapping

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
c0622e7
kallsyms: reimplement mksysmap in C

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
4f32df2
kbuild: do not allocate .modinfo in vmlinux

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
02aa346
kbuild: cache list, composite object state per object

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
64fa7cf
kbuild: implement and use depcheck to check dependency timestamps

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
d9ead5a
kbuild: avoid re-running compiler and linker probes

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
e15aabf
modpost: hash module source per-file, not per-byte

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
232ef20
modpost: cache section relocation mismatch state

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
a0c5d22
modpost: emit module descriptors as assembly

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
7f220a1
kbuild: batch module finalisation

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
92f2255
modpost: perform srcversion hashing in parallel

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
c9d7d74
objtool: cache relocations and function dead end state, do less work

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
b0e9759
objtool: decode instructions and resolve branch targets in parallel

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
5c5210b
kbuild: rust: parallelise rustc front end

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
e614801
rust: make exports.o depend on the headers generated for it

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
9829357
kbuild: build rust crates in parallel with the rest of the build

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
0961bb1
kbuild: use pigz for gzip compression if available

Lorenzo Stoakes (ARM)
authored and
Linux RISC-V bot
committed
bca6415

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[PW_SID:1160850] kbuild: significantly speed up kernel builds - #2624

[PW_SID:1160850] kbuild: significantly speed up kernel builds#2624
linux-riscv-bot wants to merge 23 commits into
workflowriscvfixesfrom
pw1160850

Commits on Sep 8, 2026

scripts/mksysmap: drop the MODULE_INFO() symbols from kallsyms

scripts/mksysmap: fix escape of '$' in the __pi_ pattern

kallsyms: index symbols by token to speed up table compression

kallsyms: output binary data to speed output and kallsyms assembly

kbuild: do not sort nm output where the order is irrelevant

kbuild: only emit vmlinux relocations when required

elf-parse: add section flags, symbol binding and a read-only mapping

kallsyms: reimplement mksysmap in C

kbuild: do not allocate .modinfo in vmlinux

kbuild: cache list, composite object state per object

kbuild: implement and use depcheck to check dependency timestamps

kbuild: avoid re-running compiler and linker probes

modpost: hash module source per-file, not per-byte

modpost: cache section relocation mismatch state

modpost: emit module descriptors as assembly

kbuild: batch module finalisation

modpost: perform srcversion hashing in parallel

objtool: cache relocations and function dead end state, do less work

objtool: decode instructions and resolve branch targets in parallel

kbuild: rust: parallelise rustc front end

rust: make exports.o depend on the headers generated for it

kbuild: build rust crates in parallel with the rest of the build

kbuild: use pigz for gzip compression if available