From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Tue, 25 Feb 2025 05:07:32 +0000 (+1100)
Subject: Merge branch 'for-next/kspp' of git://git.kernel.org/pub/scm/linux/kernel/git/kees... 
X-Git-Tag: next-20250225~5
X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=49a3e7299144da601ba1f7292751b597562fd37a;p=linux%2F.git

Merge branch 'for-next/kspp' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git
---

49a3e7299144da601ba1f7292751b597562fd37a
diff --cc include/linux/compiler.h
index 58543dbada9a,b4140bb332a3..93758b5c8fa3
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@@ -206,42 -206,28 +206,58 @@@ void ftrace_likely_update(struct ftrace
  #define __must_be_byte_array(a)	__BUILD_BUG_ON_ZERO_MSG(!__is_byte_array(a), \
  							"must be byte array")
  
+ /*
+  * If the "nonstring" attribute isn't available, we have to return true
+  * so the __must_*() checks pass when "nonstring" isn't supported.
+  */
+ #if __has_attribute(__nonstring__)
+ #define __is_cstr(a)		(!__annotated(a, nonstring))
+ #define __is_noncstr(a)		(__annotated(a, nonstring))
+ #else
+ #define __is_cstr(a)		(true)
+ #define __is_noncstr(a)		(true)
+ #endif
+ 
  /* Require C Strings (i.e. NUL-terminated) lack the "nonstring" attribute. */
  #define __must_be_cstr(p) \
- 	__BUILD_BUG_ON_ZERO_MSG(__annotated(p, nonstring), "must be cstr (NUL-terminated)")
+ 	__BUILD_BUG_ON_ZERO_MSG(!__is_cstr(p), \
+ 				"must be C-string (NUL-terminated)")
+ #define __must_be_noncstr(p) \
+ 	__BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
+ 				"must be non-C-string (not NUL-terminated)")
  
 +/*
 + * Use __typeof_unqual__() when available.
 + *
 + * XXX: Remove test for __CHECKER__ once
 + * sparse learns about __typeof_unqual__().
 + */
 +#if CC_HAS_TYPEOF_UNQUAL && !defined(__CHECKER__)
 +# define USE_TYPEOF_UNQUAL 1
 +#endif
 +
 +/*
 + * Define TYPEOF_UNQUAL() to use __typeof_unqual__() as typeof
 + * operator when available, to return an unqualified type of the exp.
 + */
 +#if defined(USE_TYPEOF_UNQUAL)
 +# define TYPEOF_UNQUAL(exp) __typeof_unqual__(exp)
 +#else
 +# define TYPEOF_UNQUAL(exp) __typeof__(exp)
 +#endif
 +
  #endif /* __KERNEL__ */
  
 +#if defined(CONFIG_CFI_CLANG) && !defined(__DISABLE_EXPORTS) && !defined(BUILD_VDSO)
 +/*
 + * Force a reference to the external symbol so the compiler generates
 + * __kcfi_typid.
 + */
 +#define KCFI_REFERENCE(sym) __ADDRESSABLE(sym)
 +#else
 +#define KCFI_REFERENCE(sym)
 +#endif
 +
  /**
   * offset_to_ptr - convert a relative memory offset to an absolute pointer
   * @off:	the address of the 32-bit offset value
diff --cc lib/Makefile
index 66e44569b141,1e886482a6a3..bc05750e32ca
--- a/lib/Makefile
+++ b/lib/Makefile
@@@ -131,7 -121,7 +120,7 @@@ endi
  obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
  CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
  
- obj-y += math/ crypto/ vdso/
 -obj-y += math/ crypto/ tests/
++obj-y += math/ crypto/ vdso/ tests/
  
  obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
  obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
diff --cc lib/tests/Makefile
index 8e4f42cb9c54,8696d778d92f..8961fbcff7a4
--- a/lib/tests/Makefile
+++ b/lib/tests/Makefile
@@@ -1,1 -1,42 +1,43 @@@
+ # SPDX-License-Identifier: GPL-2.0
+ #
+ # Makefile for tests of kernel library functions.
+ 
+ # KUnit tests
+ CFLAGS_bitfield_kunit.o := $(DISABLE_STRUCTLEAK_PLUGIN)
+ obj-$(CONFIG_BITFIELD_KUNIT) += bitfield_kunit.o
+ obj-$(CONFIG_BITS_TEST) += test_bits.o
++obj-$(CONFIG_BLACKHOLE_DEV_KUNIT_TEST) += blackhole_dev_kunit.o
+ obj-$(CONFIG_CHECKSUM_KUNIT) += checksum_kunit.o
+ obj-$(CONFIG_CMDLINE_KUNIT_TEST) += cmdline_kunit.o
+ obj-$(CONFIG_CPUMASK_KUNIT_TEST) += cpumask_kunit.o
+ obj-$(CONFIG_CRC_KUNIT_TEST) += crc_kunit.o
+ CFLAGS_fortify_kunit.o += $(call cc-disable-warning, unsequenced)
+ CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-overread)
+ CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-truncation)
+ CFLAGS_fortify_kunit.o += $(DISABLE_STRUCTLEAK_PLUGIN)
+ obj-$(CONFIG_FORTIFY_KUNIT_TEST) += fortify_kunit.o
+ CFLAGS_test_fprobe.o += $(CC_FLAGS_FTRACE)
+ obj-$(CONFIG_FPROBE_SANITY_TEST) += test_fprobe.o
+ obj-$(CONFIG_HASHTABLE_KUNIT_TEST) += hashtable_test.o
+ obj-$(CONFIG_HASH_KUNIT_TEST) += test_hash.o
+ obj-$(CONFIG_TEST_IOV_ITER) += kunit_iov_iter.o
+ obj-$(CONFIG_IS_SIGNED_TYPE_KUNIT_TEST) += is_signed_type_kunit.o
+ obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
+ obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o
+ obj-$(CONFIG_KFIFO_KUNIT_TEST) += kfifo_kunit.o
+ obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
+ obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linear_ranges.o
+ obj-$(CONFIG_MEMCPY_KUNIT_TEST) += memcpy_kunit.o
+ CFLAGS_overflow_kunit.o = $(call cc-disable-warning, tautological-constant-out-of-range-compare)
+ obj-$(CONFIG_OVERFLOW_KUNIT_TEST) += overflow_kunit.o
+ obj-$(CONFIG_SIPHASH_KUNIT_TEST) += siphash_kunit.o
+ obj-$(CONFIG_SLUB_KUNIT_TEST) += slub_kunit.o
+ obj-$(CONFIG_TEST_SORT) += test_sort.o
+ CFLAGS_stackinit_kunit.o += $(call cc-disable-warning, switch-unreachable)
+ obj-$(CONFIG_STACKINIT_KUNIT_TEST) += stackinit_kunit.o
+ obj-$(CONFIG_STRING_KUNIT_TEST) += string_kunit.o
+ obj-$(CONFIG_STRING_HELPERS_KUNIT_TEST) += string_helpers_kunit.o
+ obj-$(CONFIG_USERCOPY_KUNIT_TEST) += usercopy_kunit.o
+ obj-$(CONFIG_UTIL_MACROS_KUNIT) += util_macros_kunit.o
+ 
  obj-$(CONFIG_TEST_RUNTIME_MODULE)		+= module/