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-rw-r--r--scripts/Makefile2
-rw-r--r--scripts/Makefile.extrawarn29
-rw-r--r--scripts/Makefile.vdsoinst2
-rw-r--r--scripts/coccinelle/api/pm_runtime.cocci2
-rw-r--r--scripts/coccinelle/misc/minmax.cocci32
-rw-r--r--scripts/const_structs.checkpatch1
-rw-r--r--scripts/generate_rust_target.rs13
-rwxr-xr-xscripts/headers_install.sh1
-rwxr-xr-xscripts/spdxcheck.py3
9 files changed, 41 insertions, 44 deletions
diff --git a/scripts/Makefile b/scripts/Makefile
index bc90520a5426..fe56eeef09dd 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -12,7 +12,7 @@ hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert
hostprogs-always-$(CONFIG_RUST_KERNEL_DOCTESTS) += rustdoc_test_builder
hostprogs-always-$(CONFIG_RUST_KERNEL_DOCTESTS) += rustdoc_test_gen
-ifneq ($(or $(CONFIG_X86_64),$(CONFIG_LOONGARCH)),)
+ifdef CONFIG_X86_64
always-$(CONFIG_RUST) += target.json
filechk_rust_target = $< < include/config/auto.conf
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index c5af566e911a..1d13cecc7cc7 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -37,11 +37,6 @@ else
KBUILD_CFLAGS += -Wno-main
endif
-# These warnings generated too much noise in a regular build.
-# Use make W=1 to enable them (see scripts/Makefile.extrawarn)
-KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
-KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
-
# These result in bogus false positives
KBUILD_CFLAGS += $(call cc-disable-warning, dangling-pointer)
@@ -82,22 +77,17 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init)
# Warn if there is an enum types mismatch
KBUILD_CFLAGS += $(call cc-option,-Wenum-conversion)
+KBUILD_CFLAGS += -Wextra
+KBUILD_CFLAGS += -Wunused
+
#
# W=1 - warnings which may be relevant and do not occur too often
#
ifneq ($(findstring 1, $(KBUILD_EXTRA_WARN)),)
-KBUILD_CFLAGS += -Wextra -Wunused -Wno-unused-parameter
-KBUILD_CFLAGS += $(call cc-option, -Wrestrict)
KBUILD_CFLAGS += -Wmissing-format-attribute
-KBUILD_CFLAGS += -Wold-style-definition
KBUILD_CFLAGS += -Wmissing-include-dirs
-KBUILD_CFLAGS += $(call cc-option, -Wunused-but-set-variable)
KBUILD_CFLAGS += $(call cc-option, -Wunused-const-variable)
-KBUILD_CFLAGS += $(call cc-option, -Wpacked-not-aligned)
-KBUILD_CFLAGS += $(call cc-option, -Wformat-overflow)
-KBUILD_CFLAGS += $(call cc-option, -Wformat-truncation)
-KBUILD_CFLAGS += $(call cc-option, -Wstringop-truncation)
KBUILD_CPPFLAGS += -Wundef
KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN1
@@ -108,10 +98,16 @@ else
# Suppress them by using -Wno... except for W=1.
KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
-KBUILD_CFLAGS += $(call cc-disable-warning, restrict)
KBUILD_CFLAGS += $(call cc-disable-warning, packed-not-aligned)
KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
+ifdef CONFIG_CC_IS_GCC
KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation)
+else
+# Clang checks for overflow/truncation with '%p', while GCC does not:
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111219
+KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow-non-kprintf)
+KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation-non-kprintf)
+endif
KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
KBUILD_CFLAGS += -Wno-override-init # alias for -Wno-initializer-overrides in clang
@@ -133,7 +129,6 @@ endif
KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast)
KBUILD_CFLAGS += -Wno-tautological-constant-out-of-range-compare
KBUILD_CFLAGS += $(call cc-disable-warning, unaligned-access)
-KBUILD_CFLAGS += $(call cc-disable-warning, cast-function-type-strict)
KBUILD_CFLAGS += -Wno-enum-compare-conditional
KBUILD_CFLAGS += -Wno-enum-enum-conversion
endif
@@ -148,9 +143,6 @@ ifneq ($(findstring 2, $(KBUILD_EXTRA_WARN)),)
KBUILD_CFLAGS += -Wdisabled-optimization
KBUILD_CFLAGS += -Wshadow
KBUILD_CFLAGS += $(call cc-option, -Wlogical-op)
-KBUILD_CFLAGS += -Wmissing-field-initializers
-KBUILD_CFLAGS += -Wtype-limits
-KBUILD_CFLAGS += $(call cc-option, -Wmaybe-uninitialized)
KBUILD_CFLAGS += $(call cc-option, -Wunused-macros)
KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN2
@@ -190,6 +182,7 @@ else
# The following turn off the warnings enabled by -Wextra
KBUILD_CFLAGS += -Wno-sign-compare
+KBUILD_CFLAGS += -Wno-unused-parameter
endif
diff --git a/scripts/Makefile.vdsoinst b/scripts/Makefile.vdsoinst
index bf72880c50d0..ac85f9a4a569 100644
--- a/scripts/Makefile.vdsoinst
+++ b/scripts/Makefile.vdsoinst
@@ -20,7 +20,7 @@ $$(dest): $(1) FORCE
$$(call cmd,install)
# Some architectures create .build-id symlinks
-ifneq ($(filter arm sparc x86, $(SRCARCH)),)
+ifneq ($(filter arm s390 sparc x86, $(SRCARCH)),)
link := $(install-dir)/.build-id/$$(shell $(READELF) -n $(1) | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p').debug
__default: $$(link)
diff --git a/scripts/coccinelle/api/pm_runtime.cocci b/scripts/coccinelle/api/pm_runtime.cocci
index 4b9778874453..2c931e748dda 100644
--- a/scripts/coccinelle/api/pm_runtime.cocci
+++ b/scripts/coccinelle/api/pm_runtime.cocci
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/// Make sure pm_runtime_* calls does not use unnecessary IS_ERR_VALUE
+/// Make sure pm_runtime_* calls do not unnecessarily use IS_ERR_VALUE
///
// Keywords: pm_runtime
// Confidence: Medium
diff --git a/scripts/coccinelle/misc/minmax.cocci b/scripts/coccinelle/misc/minmax.cocci
index fcf908b34f27..ca4830ae3042 100644
--- a/scripts/coccinelle/misc/minmax.cocci
+++ b/scripts/coccinelle/misc/minmax.cocci
@@ -50,11 +50,26 @@ func(...)
...>
}
+// Ignore errcode returns.
+@errcode@
+position p;
+identifier func;
+expression x;
+binary operator cmp = {<, <=};
+@@
+
+func(...)
+{
+ <...
+ return ((x) cmp@p 0 ? (x) : 0);
+ ...>
+}
+
@rmin depends on !patch@
identifier func;
expression x, y;
binary operator cmp = {<, <=};
-position p;
+position p != errcode.p;
@@
func(...)
@@ -116,21 +131,6 @@ func(...)
...>
}
-// Don't generate patches for errcode returns.
-@errcode depends on patch@
-position p;
-identifier func;
-expression x;
-binary operator cmp = {<, <=};
-@@
-
-func(...)
-{
- <...
- return ((x) cmp@p 0 ? (x) : 0);
- ...>
-}
-
@pmin depends on patch@
identifier func;
expression x, y;
diff --git a/scripts/const_structs.checkpatch b/scripts/const_structs.checkpatch
index fa96cfd16e99..52e5bfb61fd0 100644
--- a/scripts/const_structs.checkpatch
+++ b/scripts/const_structs.checkpatch
@@ -39,6 +39,7 @@ kgdb_arch
kgdb_io
kobj_type
kset_uevent_ops
+lcd_ops
lock_manager_operations
machine_desc
microcode_ops
diff --git a/scripts/generate_rust_target.rs b/scripts/generate_rust_target.rs
index 3fcbc3737b2e..641b713a033a 100644
--- a/scripts/generate_rust_target.rs
+++ b/scripts/generate_rust_target.rs
@@ -150,6 +150,12 @@ fn main() {
// `llvm-target`s are taken from `scripts/Makefile.clang`.
if cfg.has("ARM64") {
panic!("arm64 uses the builtin rustc aarch64-unknown-none target");
+ } else if cfg.has("RISCV") {
+ if cfg.has("64BIT") {
+ panic!("64-bit RISC-V uses the builtin rustc riscv64-unknown-none-elf target");
+ } else {
+ panic!("32-bit RISC-V is an unsupported architecture");
+ }
} else if cfg.has("X86_64") {
ts.push("arch", "x86_64");
ts.push(
@@ -164,12 +170,7 @@ fn main() {
ts.push("llvm-target", "x86_64-linux-gnu");
ts.push("target-pointer-width", "64");
} else if cfg.has("LOONGARCH") {
- ts.push("arch", "loongarch64");
- ts.push("data-layout", "e-m:e-p:64:64-i64:64-i128:128-n64-S128");
- ts.push("features", "-f,-d");
- ts.push("llvm-target", "loongarch64-linux-gnusf");
- ts.push("llvm-abiname", "lp64s");
- ts.push("target-pointer-width", "64");
+ panic!("loongarch uses the builtin rustc loongarch64-unknown-none-softfloat target");
} else {
panic!("Unsupported architecture");
}
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index f7d9b114de8f..6bbccb43f7e7 100755
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -74,7 +74,6 @@ arch/arc/include/uapi/asm/page.h:CONFIG_ARC_PAGE_SIZE_16K
arch/arc/include/uapi/asm/page.h:CONFIG_ARC_PAGE_SIZE_4K
arch/arc/include/uapi/asm/swab.h:CONFIG_ARC_HAS_SWAPE
arch/arm/include/uapi/asm/ptrace.h:CONFIG_CPU_ENDIAN_BE8
-arch/m68k/include/uapi/asm/ptrace.h:CONFIG_COLDFIRE
arch/nios2/include/uapi/asm/swab.h:CONFIG_NIOS2_CI_SWAB_NO
arch/nios2/include/uapi/asm/swab.h:CONFIG_NIOS2_CI_SWAB_SUPPORT
arch/x86/include/uapi/asm/auxvec.h:CONFIG_IA32_EMULATION
diff --git a/scripts/spdxcheck.py b/scripts/spdxcheck.py
index 18cb9f5b3d3d..8b8fb115fc81 100755
--- a/scripts/spdxcheck.py
+++ b/scripts/spdxcheck.py
@@ -412,6 +412,9 @@ if __name__ == '__main__':
if parser.checked:
pc = int(100 * parser.spdx_valid / parser.checked)
sys.stderr.write('Files with SPDX: %12d %3d%%\n' %(parser.spdx_valid, pc))
+ missing = parser.checked - parser.spdx_valid
+ mpc = int(100 * missing / parser.checked)
+ sys.stderr.write('Files without SPDX:%12d %3d%%\n' %(missing, mpc))
sys.stderr.write('Files with errors: %12d\n' %parser.spdx_errors)
if ndirs:
sys.stderr.write('\n')
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