Comes with the first DTBO file, fanspeed-full.dts
Signed-off-by: Steve Jeong <how2soft@gmail.com>
Signed-off-by: Deokgyu Yang <secugyu@gmail.com>
Change-Id: I1e3c18d026b1ebdd9d80a7b23b383b15d568fc42
https://source.android.com/docs/security/bulletin/2022-10-01
CVE-2022-1786
CVE-2022-20421
CVE-2022-20422
CVE-2022-20423
CVE-2022-20409
* tag 'ASB-2022-10-01_13-5.10': (68 commits)
UPSTREAM: crypto: jitter - add oversampling of noise source
ANDROID: Update the ABI representation
FROMGIT: f2fs: support recording stop_checkpoint reason into super_block
ANDROID: Update the ABI representation
ANDROID: Fix for kernelci !CONFIG_SMP break-breaks
ANDROID: fuse-bpf: set error_in to ENOENT in negative lookup
ANDROID: fuse-bpf: Add ability to run ranges of tests to fuse_test
BACKPORT: NFC: netlink: fix sleep in atomic bug when firmware download timeout
ANDROID: KVM: arm64: Initialize ptr auth in protected mode
ANDROID: cgroup: Add vendor hook for rebuild_root_domains_bypass
FROMGIT: KVM: arm64: Ignore kvm-arm.mode if !is_hyp_mode_available()
ANDROID: Update the ABI symbol list and xml
UPSTREAM: wifi: mac80211_hwsim: use 32-bit skb cookie
UPSTREAM: wifi: mac80211_hwsim: add back erroneously removed cast
UPSTREAM: wifi: mac80211_hwsim: fix race condition in pending packet
ANDROID: Update the ABI representation
ANDROID: sched: Fix off-by-one with cpupri MAX_RT_PRIO evaluation
Revert "ANDROID: workqueue: add vendor hook for wq lockup information"
UPSTREAM: kernel/irq: export irq_gc_set_wake
ANDROID: Update the ABI representation
...
Change-Id: I0e90348befd683d679799deb2b2f0bf738dbc99f
Conflicts:
sound/soc/codecs/hdmi-codec.c
GZIP-compressed files end with 4 byte data that represents the size
of the original input. The decompressors (the self-extracting kernel)
exploit it to know the vmlinux size beforehand. To mimic the GZIP's
trailer, Kbuild provides cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22}.
Unfortunately these macros are used everywhere despite the appended
size data is only useful for the decompressors.
There is no guarantee that such hand-crafted trailers are safely ignored.
In fact, the kernel refuses compressed initramdfs with the garbage data.
That is why usr/Makefile overrides size_append to make it no-op.
To limit the use of such broken compressed files, this commit renames
the existing macros as follows:
cmd_bzip2 --> cmd_bzip2_with_size
cmd_lzma --> cmd_lzma_with_size
cmd_lzo --> cmd_lzo_with_size
cmd_lz4 --> cmd_lz4_with_size
cmd_xzkern --> cmd_xzkern_with_size
cmd_zstd22 --> cmd_zstd22_with_size
To keep the decompressors working, I updated the following Makefiles
accordingly:
arch/arm/boot/compressed/Makefile
arch/h8300/boot/compressed/Makefile
arch/mips/boot/compressed/Makefile
arch/parisc/boot/compressed/Makefile
arch/s390/boot/compressed/Makefile
arch/sh/boot/compressed/Makefile
arch/x86/boot/compressed/Makefile
I reused the current macro names for the normal usecases; they produce
the compressed data in the proper format.
I did not touch the following:
arch/arc/boot/Makefile
arch/arm64/boot/Makefile
arch/csky/boot/Makefile
arch/mips/boot/Makefile
arch/riscv/boot/Makefile
arch/sh/boot/Makefile
kernel/Makefile
This means those Makefiles will stop appending the size data.
I dropped the 'override size_append' hack from usr/Makefile.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
Bug: 135791357
(cherry picked from commit 7ce7e984abhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master)
Change-Id: I3524909ef3daab85f7d22afdebc2e5bbfd5e5cf3
[szuweilin: Resolved the conflict about non-existing zstd22 in arch/s390/boot/compressed/Makefile]
Signed-off-by: SzuWei Lin <szuweilin@google.com>
It contains the following 82894 commits:
UPSTREAM: usb: dwc3: gadget: Move null pinter check to proper place
UPSTREAM: dma-buf: call dma_buf_stats_setup after dmabuf is in valid list
clk: rockchip: rk3588: Add CLK_SET_RATE_PARENT for i2s5/6 frac clk
media: rockchip: isp: fix vicap fast stream on and off
dt-bindings: update SPDX-License-Identifier for rockchip clock header
dt-bindings: update SPDX-License-Identifier for rockchip power header
ASoC: es7202: fix es7202 read & write error
media: i2c: sc430cs support get real fps
media: i2c: sc430cs fixed compile error
media: i2c: sc4238 support get channel info
media: i2c: sc4238 support get real fps
media: i2c: sc4238 fixed compile error
media: i2c: sc2310 support get channel info
media: i2c: sc2310 support get real fps
media: i2c: sc2310 fixed compile error
media: i2c: sc2239 support get real fps
media: i2c: sc2239 fixed compile error
media: i2c: sc2232 support get real fps
media: i2c: sc2232 fixed compile error
media: i2c: sc210iot support get real fps
...
Conflicts:
drivers/android/Kconfig
drivers/dma-buf/dma-buf.c
drivers/irqchip/irq-gic-v3-its.c
drivers/usb/dwc3/gadget.c
sound/soc/rockchip/rockchip_i2s.c
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Change-Id: I0aa6721d035488a1368205c0437ea2c6452c1bb0
Changes in 5.10.133
KVM/VMX: Use TEST %REG,%REG instead of CMP $0,%REG in vmenter.SKVM/nVMX: Use __vmx_vcpu_run in nested_vmx_check_vmentry_hw
objtool: Refactor ORC section generation
objtool: Add 'alt_group' struct
objtool: Support stack layout changes in alternatives
objtool: Support retpoline jump detection for vmlinux.o
objtool: Assume only ELF functions do sibling calls
objtool: Combine UNWIND_HINT_RET_OFFSET and UNWIND_HINT_FUNC
x86/xen: Support objtool validation in xen-asm.S
x86/xen: Support objtool vmlinux.o validation in xen-head.S
x86/alternative: Merge include files
x86/alternative: Support not-feature
x86/alternative: Support ALTERNATIVE_TERNARY
x86/alternative: Use ALTERNATIVE_TERNARY() in _static_cpu_has()
x86/insn: Rename insn_decode() to insn_decode_from_regs()
x86/insn: Add a __ignore_sync_check__ marker
x86/insn: Add an insn_decode() API
x86/insn-eval: Handle return values from the decoder
x86/alternative: Use insn_decode()
x86: Add insn_decode_kernel()
x86/alternatives: Optimize optimize_nops()
x86/retpoline: Simplify retpolines
objtool: Correctly handle retpoline thunk calls
objtool: Handle per arch retpoline naming
objtool: Rework the elf_rebuild_reloc_section() logic
objtool: Add elf_create_reloc() helper
objtool: Create reloc sections implicitly
objtool: Extract elf_strtab_concat()
objtool: Extract elf_symbol_add()
objtool: Add elf_create_undef_symbol()
objtool: Keep track of retpoline call sites
objtool: Cache instruction relocs
objtool: Skip magical retpoline .altinstr_replacement
objtool/x86: Rewrite retpoline thunk calls
objtool: Support asm jump tables
x86/alternative: Optimize single-byte NOPs at an arbitrary position
objtool: Fix .symtab_shndx handling for elf_create_undef_symbol()
objtool: Only rewrite unconditional retpoline thunk calls
objtool/x86: Ignore __x86_indirect_alt_* symbols
objtool: Don't make .altinstructions writable
objtool: Teach get_alt_entry() about more relocation types
objtool: print out the symbol type when complaining about it
objtool: Remove reloc symbol type checks in get_alt_entry()
objtool: Make .altinstructions section entry size consistent
objtool: Introduce CFI hash
objtool: Handle __sanitize_cov*() tail calls
objtool: Classify symbols
objtool: Explicitly avoid self modifying code in .altinstr_replacement
objtool,x86: Replace alternatives with .retpoline_sites
x86/retpoline: Remove unused replacement symbols
x86/asm: Fix register order
x86/asm: Fixup odd GEN-for-each-reg.h usage
x86/retpoline: Move the retpoline thunk declarations to nospec-branch.h
x86/retpoline: Create a retpoline thunk array
x86/alternative: Implement .retpoline_sites support
x86/alternative: Handle Jcc __x86_indirect_thunk_\reg
x86/alternative: Try inline spectre_v2=retpoline,amd
x86/alternative: Add debug prints to apply_retpolines()
bpf,x86: Simplify computing label offsets
bpf,x86: Respect X86_FEATURE_RETPOLINE*
x86/lib/atomic64_386_32: Rename things
x86: Prepare asm files for straight-line-speculation
x86: Prepare inline-asm for straight-line-speculation
x86/alternative: Relax text_poke_bp() constraint
objtool: Add straight-line-speculation validation
x86: Add straight-line-speculation mitigation
tools arch: Update arch/x86/lib/mem{cpy,set}_64.S copies used in 'perf bench mem memcpy'
kvm/emulate: Fix SETcc emulation function offsets with SLS
objtool: Default ignore INT3 for unreachable
crypto: x86/poly1305 - Fixup SLS
objtool: Fix SLS validation for kcov tail-call replacement
objtool: Fix code relocs vs weak symbols
objtool: Fix type of reloc::addend
objtool: Fix symbol creation
x86/entry: Remove skip_r11rcx
objtool: Fix objtool regression on x32 systems
x86/realmode: build with -D__DISABLE_EXPORTS
x86/kvm/vmx: Make noinstr clean
x86/cpufeatures: Move RETPOLINE flags to word 11
x86/retpoline: Cleanup some #ifdefery
x86/retpoline: Swizzle retpoline thunk
Makefile: Set retpoline cflags based on CONFIG_CC_IS_{CLANG,GCC}
x86/retpoline: Use -mfunction-return
x86: Undo return-thunk damage
x86,objtool: Create .return_sites
objtool: skip non-text sections when adding return-thunk sites
x86,static_call: Use alternative RET encoding
x86/ftrace: Use alternative RET encoding
x86/bpf: Use alternative RET encoding
x86/kvm: Fix SETcc emulation for return thunks
x86/vsyscall_emu/64: Don't use RET in vsyscall emulation
x86/sev: Avoid using __x86_return_thunk
x86: Use return-thunk in asm code
objtool: Treat .text.__x86.* as noinstr
x86: Add magic AMD return-thunk
x86/bugs: Report AMD retbleed vulnerability
x86/bugs: Add AMD retbleed= boot parameter
x86/bugs: Enable STIBP for JMP2RET
x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value
x86/entry: Add kernel IBRS implementation
x86/bugs: Optimize SPEC_CTRL MSR writes
x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS
x86/bugs: Split spectre_v2_select_mitigation() and spectre_v2_user_select_mitigation()
x86/bugs: Report Intel retbleed vulnerability
intel_idle: Disable IBRS during long idle
objtool: Update Retpoline validation
x86/xen: Rename SYS* entry points
x86/bugs: Add retbleed=ibpb
x86/bugs: Do IBPB fallback check only once
objtool: Add entry UNRET validation
x86/cpu/amd: Add Spectral Chicken
x86/speculation: Fix RSB filling with CONFIG_RETPOLINE=n
x86/speculation: Fix firmware entry SPEC_CTRL handling
x86/speculation: Fix SPEC_CTRL write on SMT state change
x86/speculation: Use cached host SPEC_CTRL value for guest entry/exit
x86/speculation: Remove x86_spec_ctrl_mask
objtool: Re-add UNWIND_HINT_{SAVE_RESTORE}
KVM: VMX: Flatten __vmx_vcpu_run()
KVM: VMX: Convert launched argument to flags
KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS
KVM: VMX: Fix IBRS handling after vmexit
x86/speculation: Fill RSB on vmexit for IBRS
x86/common: Stamp out the stepping madness
x86/cpu/amd: Enumerate BTC_NO
x86/retbleed: Add fine grained Kconfig knobs
x86/bugs: Add Cannon lake to RETBleed affected CPU list
x86/bugs: Do not enable IBPB-on-entry when IBPB is not supported
x86/kexec: Disable RET on kexec
x86/speculation: Disable RRSBA behavior
x86/static_call: Serialize __static_call_fixup() properly
tools/insn: Restore the relative include paths for cross building
x86, kvm: use proper ASM macros for kvm_vcpu_is_preempted
x86/xen: Fix initialisation in hypercall_page after rethunk
x86/ftrace: Add UNWIND_HINT_FUNC annotation for ftrace_stub
x86/asm/32: Fix ANNOTATE_UNRET_SAFE use on 32-bit
x86/speculation: Use DECLARE_PER_CPU for x86_spec_ctrl_current
efi/x86: use naked RET on mixed mode call wrapper
x86/kvm: fix FASTOP_SIZE when return thunks are enabled
KVM: emulate: do not adjust size of fastop and setcc subroutines
tools arch x86: Sync the msr-index.h copy with the kernel sources
tools headers cpufeatures: Sync with the kernel sources
x86/bugs: Remove apostrophe typo
um: Add missing apply_returns()
x86: Use -mindirect-branch-cs-prefix for RETPOLINE builds
kvm: fix objtool relocation warning
objtool: Fix elf_create_undef_symbol() endianness
tools arch: Update arch/x86/lib/mem{cpy,set}_64.S copies used in 'perf bench mem memcpy' - again
tools headers: Remove broken definition of __LITTLE_ENDIAN
Linux 5.10.133
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Change-Id: I1086d433e436ffcce67f97b76980fb8b8837776d
Delete nodes in case of:
* node is null, without any property and children node
* node with 'status' property but not "okay" or "ok"
Change-Id: Ic7d2ba1cb60350c21fa6a46222c20870c74359d4
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Uboot use the Standard Lz4 format to decompress kernel Image.lz4,
So, we should use the standard one for lz4 compression.
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Change-Id: Ic299314a6377e68fac477f451d1ffcae9e8466ce
This reverts commit aa5ccab207.
Linux kernel still use Legacy lz4 format for self-decompression.
So, we should use the legacy one('lz4 -l') for lz4 compression.
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Change-Id: Ic10f9cb65bcc7fadd2071b97f8effb958f54d0a4
With CONFIG_LTO_CLANG, we currently link modules into native
code just before modpost, which means with TRIM_UNUSED_KSYMS
enabled, we still look at the LLVM bitcode in the .o files when
generating the list of used symbols. As the bitcode doesn't
yet have calls to compiler intrinsics and llvm-nm doesn't see
function references that only exist in function-level inline
assembly, we currently need a whitelist for TRIM_UNUSED_KSYMS to
work with LTO.
This change moves module LTO linking to happen earlier, and
thus avoids the issue with LLVM bitcode and TRIM_UNUSED_KSYMS
entirely, allowing us to also drop the whitelist from
gen_autoksyms.sh.
Link: https://github.com/ClangBuiltLinux/linux/issues/1369
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Alexander Lobakin <alobakin@pm.me>
Tested-by: Alexander Lobakin <alobakin@pm.me>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
(cherry picked from commit 850ded46c6)
Conflicts:
scripts/Makefile.modfinal
scripts/Makefile.modpost
Bug: 189327973
Change-Id: I61c3782619e6475cfff74c270b70e01e229dc8df
Signed-off-by: Eric Biggers <ebiggers@google.com>
This reverts commit 47b5470fd1.
The variable DTC_FLAGS is a recursively expanded makefile variable which
means that it is re-expanded every time it is referenced. In other
words, a try-run is performed every time this variable is referenced
which is wasteful because the result will always be the same. In
addition, if dtc is invoked with $(call if_changed_dep,dtc,dtb),
DTC_FLAGS is apparently expanded three times. As a result, we observe 3
try-runs per dtc-option of which there are 8. This means that every
compilation of a device tree file is preceded by 24 try-runs! Every
invocation of dtc turns into 25 invocations! Additionally, it appears
as if Make prohibits parallelization if a recipe contains a reference to
the $(shell ....) function.
Bug: 198176779
Change-Id: Iae1a1d2266563727f1a7b67660c7b8fa7e1c7247
Signed-off-by: Daniel Mentz <danielmentz@google.com>
(cherry picked from commit e4f264787c)
dtc generation of symbols by CONFIG_DTC_SYMBOLS.
For support device tree overlay.
Change-Id: Ia10496031bc02fd3a4ff98ab0acfc6fc9a54951b
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
The lz4 Legacy format(which specified by -l) is
not supported by U-Boot.
Change-Id: I6b94881117b59384daca4efd796c933e8dc9e5a6
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Kbuild composite objects only supports one level of composite objects.
That is, a composite object may only be composed of real compilable
source files.
As a simple example, the following Kbuild description is now supported:
bar-a-y := a/bar0.o a/bar1.o
bar-b-y := b/bar2.o b/bar3.o
foo-objs := bar-a.o bar-b.o
obj-m += foo.o
Add such support by recursively searching for composite objects and
listing them in $(multi-used-*) and $(real-obj-*).
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
Bug: 175420575
Change-Id: I08880422bc462c38b80f1a8bd85498250898c85e
Link: https://lore.kernel.org/linux-kbuild/1611343638-28206-3-git-send-email-eberman@codeaurora.org/
[eberman@codeaurora.org: Fix compile error so that multi-search does not
recurse when foo-y contains foo.o]
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
With LTO, LLVM bitcode won't be compiled into native code until
modpost_link, or modfinal for modules. This change postpones calls
to objtool until after these steps, and moves objtool_args to
Makefile.lib, so the arguments can be reused in Makefile.modfinal.
As we didn't have objects to process earlier, we use --duplicate
when processing vmlinux.o. This change also disables unreachable
instruction warnings with LTO to avoid warnings about the int3
padding between functions.
Bug: 145210207
Change-Id: I72615f7062d218bf612a5d929f2efb75a18538dd
Link: https://lore.kernel.org/lkml/20201013003203.4168817-12-samitolvanen@google.com/
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
With LTO, the compiler doesn't necessarily obey the link order for
initcalls, and initcall variables need globally unique names to avoid
collisions at link time.
This change exports __KBUILD_MODNAME and adds the initcall_id() macro,
which uses it together with __COUNTER__ and __LINE__ to help ensure
these variables have unique names, and moves each variable to its own
section when LTO is enabled, so the correct order can be specified using
a linker script.
The generate_initcall_ordering.pl script uses nm to find initcalls from
the object files passed to the linker, and generates a linker script
that specifies the same order for initcalls that we would have without
LTO. With LTO enabled, the script is called in link-vmlinux.sh through
jobserver-exec to limit the number of jobs spawned.
Bug: 145210207
Change-Id: I80619eac3674acd9c6d2566443d16b3d09515351
Link: https://lore.kernel.org/lkml/20201211184633.3213045-8-samitolvanen@google.com/
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Change the format of processed-schema* from yaml to json to speed up
validation. With json output, using xargs and appending the output won't
work since json has explicit list begin and end characters. Instead,
we pass the schema files as a list in a temp file.
The parsing time for the processed schema goes down from ~2sec to 70ms.
Also, 'make dtbs_check' becomes 33% faster.
Some error messages are affected by this change. For example, "True was
expected" becomes "... is not of type 'boolean'". The order of messages
is also changed.
Signed-off-by: Andrei Ziureaev <andrei.ziureaev@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Pull Kbuild updates from Masahiro Yamada:
- run the checker (e.g. sparse) after the compiler
- remove unneeded cc-option tests for old compiler flags
- fix tar-pkg to install dtbs
- introduce ccflags-remove-y and asflags-remove-y syntax
- allow to trace functions in sub-directories of lib/
- introduce hostprogs-always-y and userprogs-always-y syntax
- various Makefile cleanups
* tag 'kbuild-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: stop filtering out $(GCC_PLUGINS_CFLAGS) from cc-option base
kbuild: include scripts/Makefile.* only when relevant CONFIG is enabled
kbuild: introduce hostprogs-always-y and userprogs-always-y
kbuild: sort hostprogs before passing it to ifneq
kbuild: move host .so build rules to scripts/gcc-plugins/Makefile
kbuild: Replace HTTP links with HTTPS ones
kbuild: trace functions in subdirectories of lib/
kbuild: introduce ccflags-remove-y and asflags-remove-y
kbuild: do not export LDFLAGS_vmlinux
kbuild: always create directories of targets
powerpc/boot: add DTB to 'targets'
kbuild: buildtar: add dtbs support
kbuild: remove cc-option test of -ffreestanding
kbuild: remove cc-option test of -fno-stack-protector
Revert "kbuild: Create directory for target DTB"
kbuild: run the checker after the compiler
To build host programs, you need to add the program names to 'hostprogs'
to use the necessary build rule, but it is not enough to build them
because there is no dependency.
There are two types of host programs: built as the prerequisite of
another (e.g. gen_crc32table in lib/Makefile), or always built when
Kbuild visits the Makefile (e.g. genksyms in scripts/genksyms/Makefile).
The latter is typical in Makefiles under scripts/, which contains host
programs globally used during the kernel build. To build them, you need
to add them to both 'hostprogs' and 'always-y'.
This commit adds hostprogs-always-y as a shorthand.
The same applies to user programs. net/bpfilter/Makefile builds
bpfilter_umh on demand, hence always-y is unneeded. In contrast,
programs under samples/ are added to both 'userprogs' and 'always-y'
so they are always built when Kbuild visits the Makefiles.
userprogs-always-y works as a shorthand.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
CFLAGS_REMOVE_<file>.o filters out flags when compiling a particular
object, but there is no convenient way to do that for every object in
a directory.
Add ccflags-remove-y and asflags-remove-y to make it easily.
Use ccflags-remove-y to clean up some Makefiles.
The add/remove order works as follows:
[1] KBUILD_CFLAGS specifies compiler flags used globally
[2] ccflags-y adds compiler flags for all objects in the
current Makefile
[3] ccflags-remove-y removes compiler flags for all objects in the
current Makefile (New feature)
[4] CFLAGS_<file> adds compiler flags per file.
[5] CFLAGS_REMOVE_<file> removes compiler flags per file.
Having [3] before [4] allows us to remove flags from most (but not all)
objects in the current Makefile.
For example, kernel/trace/Makefile removes $(CC_FLAGS_FTRACE)
from all objects in the directory, then adds it back to
trace_selftest_dynamic.o and CFLAGS_trace_kprobe_selftest.o
The same applies to lib/livepatch/Makefile.
Please note ccflags-remove-y has no effect to the sub-directories.
In contrast, the previous notation got rid of compiler flags also from
all the sub-directories.
The following are not affected because they have no sub-directories:
arch/arm/boot/compressed/
arch/powerpc/xmon/
arch/sh/
kernel/trace/
However, lib/ has several sub-directories.
To keep the behavior, I added ccflags-remove-y to all Makefiles
in subdirectories of lib/, except the following:
lib/vdso/Makefile - Kbuild does not descend into this Makefile
lib/raid/test/Makefile - This is not used for the kernel build
I think commit 2464a609de ("ftrace: do not trace library functions")
excluded too much. In the next commit, I will remove ccflags-remove-y
from the sub-directories of lib/.
Suggested-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Acked-by: Brendan Higgins <brendanhiggins@google.com> (KUnit)
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Baby steps on the way to 5.9-rc1.
Resolves merge issues with:
arch/arm64/boot/dts/qcom/sdm845-db845c.dts
drivers/soc/qcom/Kconfig
kernel/sched/cpufreq_schedutil.c
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ieb3344a22f9cf0d55ec5fc0daebe7602a248ab53
This reverts commit 77479b38e2.
Since commit 8a78756eb5 ("kbuild: create object directories simpler
and faster"), all directories for 'targets' are created.
'mkdir -p $(dir ${dtc-tmp})' is no longer needed.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
When the command was switched over from 'lz4c' to 'lz4', it changed the
meaning of '-c' in a subtle way. In the older lz4c tool, this '-cX'
seems to be a different flag, meaning the compression level. In the
newer lz4 tool, it means to compress to stdout. However, since kbuild
already specifies stdout as a file name, '-c' is superfluous, and
generates a warning:
Warning : stdout won't be used ! Do you want multiple input files (-m) ?
Fix it by removing the extra stdout flag.
Bug: 159285792
Bug: 160031736
Test: build/build.sh
Signed-off-by: Alistair Delva <adelva@google.com>
Change-Id: I96247317ccb31f224c6a8e6e453cddde5e0c2550
There are two processed schema files:
- processed-schema-examples.yaml
Used for 'make dt_binding_check'. This is always a full schema.
- processed-schema.yaml
Used for 'make dtbs_check'. This may be a full schema, or a smaller
subset if DT_SCHEMA_FILES is given by a user.
If DT_SCHEMA_FILES is not specified, they are the same. You can copy
the former to the latter instead of running dt-mk-schema twice. This
saves the cpu time a lot when you do 'make dt_binding_check dtbs_check'
because building the full schema takes a couple of seconds.
If DT_SCHEMA_FILES is specified, processed-schema.yaml is generated
based on the specified yaml files.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20200625170434.635114-4-masahiroy@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Sync with upstream dtc primarily to pickup the I2C bus check fixes. The
interrupt_provider check is noisy, so turn it off for now.
This adds the following commits from upstream:
9d7888cbf19c dtc: Consider one-character strings as strings
8259d59f59de checks: Improve i2c reg property checking
fdabcf2980a4 checks: Remove warning for I2C_OWN_SLAVE_ADDRESS
2478b1652c8d libfdt: add extern "C" for C++
f68bfc2668b2 libfdt: trivial typo fix
7be250b4d059 libfdt: Correct condition for reordering blocks
81e0919a3e21 checks: Add interrupt provider test
85e5d839847a Makefile: when building libfdt only, do not add unneeded deps
b28464a550c5 Fix some potential unaligned accesses in dtc
Signed-off-by: Rob Herring <robh@kernel.org>
Use 'lz4' instead of 'lz4c' and increase the compression level. This
also optimizes for decompression speed at this higher level.
Bug: 159285792
Test: launch_cvd -kernel_path bzImage
Signed-off-by: Alistair Delva <adelva@google.com>
Change-Id: I9604cc7d1f3600dec27ceb460f7c29d977a919b1
Pull more Kbuild updates from Masahiro Yamada:
- fix build rules in binderfs sample
- fix build errors when Kbuild recurses to the top Makefile
- covert '---help---' in Kconfig to 'help'
* tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
treewide: replace '---help---' in Kconfig files with 'help'
kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
samples: binderfs: really compile this sample and fix build issues
Merge the state of the locking kcsan branch before the read/write_once()
and the atomics modifications got merged.
Squash the fallout of the rebase on top of the read/write once and atomic
fallback work into the merge. The history of the original branch is
preserved in tag locking-kcsan-2020-06-02.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Redefine GZIP, BZIP2, LZOP variables as KGZIP, KBZIP2, KLZOP resp.
GZIP, BZIP2, LZOP env variables are reserved by the tools. The original
attempt to redefine them internally doesn't work in makefiles/scripts
intercall scenarios, e.g., "make GZIP=gzip bindeb-pkg" and results in
broken builds. There can be other broken build commands because of this,
so the universal solution is to use non-reserved env variables for the
compression tools.
Fixes: 8dfb61dcba ("kbuild: add variables for compression tools")
Signed-off-by: Denis Efremov <efremov@linux.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Allow user to use alternative implementations of compression tools,
such as pigz, pbzip2, pxz. For example, multi-threaded tools to
speed up the build:
$ make GZIP=pigz BZIP2=pbzip2
Variables _GZIP, _BZIP2, _LZOP are used internally because original env
vars are reserved by the tools. The use of GZIP in gzip tool is obsolete
since 2015. However, alternative implementations (e.g., pigz) still rely
on it. BZIP2, BZIP, LZOP vars are not obsolescent.
The credit goes to @grsecurity.
As a sidenote, for multi-threaded lzma, xz compression one can use:
$ export XZ_OPT="--threads=0"
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Make modules.order depend on $(obj-m), and use if_changed to build it.
This will avoid unneeded update of modules.order, which will be useful
to optimize the modpost stage.
Currently, the second pass of modpost is always invoked. By checking the
timestamp of modules.order, we can avoid the unneeded modpost.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
built-in.a contains the built-in object paths from the current and sub
directories.
module.order collects the module paths from the current and sub
directories.
Make their build rules look more symmetrical.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
always, hostprogs-y, and hostprogs-m are deprecated.
There is no user in upstream code, but I will keep them for external
modules. I want to remove them entirely someday. Prompt downstream
users for the migration.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
cmd_dtc takes the additional parameter $(2) to select the target
format, dtb or yaml. This makes things complicated when it is used
with cmd_and_fixdep and if_changed_rule. I actually stumbled on this.
See commit 3d4b223868 ("kbuild: fix DT binding schema rule again to
avoid needless rebuilds").
Extract the suffix part of the target instead of passing the parameter.
Fortunately, this works for both $(obj)/%.dtb and $(obj)/%.dt.yaml .
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This omits system headers from the generated header dependency.
System headers are not updated unless you upgrade the compiler. Nor do
they contain CONFIG options, so fixdep does not need to parse them.
Having said that, the effect of this optimization will be quite small
because the kernel code generally does not include system headers
except <stdarg.h>. Host programs include a lot of system headers,
but there are not so many in the kernel tree.
At first, keeping system headers in .*.cmd files might be useful to
detect the compiler update, but there is no guarantee that <stdarg.h>
is included from every file. So, I implemented a more reliable way in
the previous commit.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Since commit 7a04960560 ("kbuild: fix DT binding schema rule to detect
command line changes"), this rule is every time re-run even if you change
nothing.
cmd_dtc takes one additional parameter to pass to the -O option of dtc.
We need to pass 'yaml' to if_changed_rule. Otherwise, cmd-check invoked
from if_changed_rule is false positive.
Fixes: 7a04960560 ("kbuild: fix DT binding schema rule to detect command line changes")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Resolve these conflicts:
arch/x86/Kconfig
arch/x86/kernel/Makefile
Do a minor "evil merge" to move the KCSAN entry up a bit by a few lines
in the Kconfig to reduce the probability of future conflicts.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Most folks only run dt_binding_check on the single schema they care about
by setting DT_SCHEMA_FILES. That means example is only checked against
that one schema which is not always sufficient.
Let's address this by splitting processed-schema.yaml into 2 files: one
that's always all schemas for the examples and one that's just the schema
in DT_SCHEMA_FILES for dtbs.
Co-developed-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
