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-rw-r--r--include/linux/bitops.h2
-rw-r--r--include/linux/cfi.h6
-rw-r--r--include/linux/cfi_types.h8
-rw-r--r--include/linux/compiler.h2
-rw-r--r--include/linux/compiler_types.h23
-rw-r--r--include/linux/mm_types.h5
-rw-r--r--include/linux/msi.h4
-rw-r--r--include/linux/pagewalk.h3
-rw-r--r--include/linux/stddef.h24
-rw-r--r--include/linux/string_choices.h6
10 files changed, 66 insertions, 17 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 9be2d50da09a..ea7898cc5903 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -267,7 +267,7 @@ static inline int parity8(u8 val)
* The result is not defined if no bits are set, so check that @word
* is non-zero before calling this.
*/
-static inline unsigned int __ffs64(u64 word)
+static inline __attribute_const__ unsigned int __ffs64(u64 word)
{
#if BITS_PER_LONG == 32
if (((u32)word) == 0UL)
diff --git a/include/linux/cfi.h b/include/linux/cfi.h
index 52a98886a455..1fd22ea6eba4 100644
--- a/include/linux/cfi.h
+++ b/include/linux/cfi.h
@@ -11,7 +11,7 @@
#include <linux/module.h>
#include <asm/cfi.h>
-#ifdef CONFIG_CFI_CLANG
+#ifdef CONFIG_CFI
extern bool cfi_warn;
enum bug_trap_type report_cfi_failure(struct pt_regs *regs, unsigned long addr,
@@ -52,7 +52,7 @@ static inline u32 cfi_get_func_hash(void *func)
extern u32 cfi_bpf_hash;
extern u32 cfi_bpf_subprog_hash;
-#else /* CONFIG_CFI_CLANG */
+#else /* CONFIG_CFI */
static inline int cfi_get_offset(void) { return 0; }
static inline u32 cfi_get_func_hash(void *func) { return 0; }
@@ -60,7 +60,7 @@ static inline u32 cfi_get_func_hash(void *func) { return 0; }
#define cfi_bpf_hash 0U
#define cfi_bpf_subprog_hash 0U
-#endif /* CONFIG_CFI_CLANG */
+#endif /* CONFIG_CFI */
#ifdef CONFIG_ARCH_USES_CFI_TRAPS
bool is_cfi_trap(unsigned long addr);
diff --git a/include/linux/cfi_types.h b/include/linux/cfi_types.h
index 685f7181780f..a86af9bc8bdc 100644
--- a/include/linux/cfi_types.h
+++ b/include/linux/cfi_types.h
@@ -8,7 +8,7 @@
#ifdef __ASSEMBLY__
#include <linux/linkage.h>
-#ifdef CONFIG_CFI_CLANG
+#ifdef CONFIG_CFI
/*
* Use the __kcfi_typeid_<function> type identifier symbol to
* annotate indirectly called assembly functions. The compiler emits
@@ -29,12 +29,12 @@
#define SYM_TYPED_START(name, linkage, align...) \
SYM_TYPED_ENTRY(name, linkage, align)
-#else /* CONFIG_CFI_CLANG */
+#else /* CONFIG_CFI */
#define SYM_TYPED_START(name, linkage, align...) \
SYM_START(name, linkage, align)
-#endif /* CONFIG_CFI_CLANG */
+#endif /* CONFIG_CFI */
#ifndef SYM_TYPED_FUNC_START
#define SYM_TYPED_FUNC_START(name) \
@@ -43,7 +43,7 @@
#else /* __ASSEMBLY__ */
-#ifdef CONFIG_CFI_CLANG
+#ifdef CONFIG_CFI
#define DEFINE_CFI_TYPE(name, func) \
/* \
* Force a reference to the function so the compiler generates \
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 64ff73c533e5..5b45ea7dff3e 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -248,7 +248,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
#endif /* __KERNEL__ */
-#if defined(CONFIG_CFI_CLANG) && !defined(__DISABLE_EXPORTS) && !defined(BUILD_VDSO)
+#if defined(CONFIG_CFI) && !defined(__DISABLE_EXPORTS) && !defined(BUILD_VDSO)
/*
* Force a reference to the external symbol so the compiler generates
* __kcfi_typid.
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 16755431fc11..2f3e80bf9f35 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -330,6 +330,29 @@ struct ftrace_likely_data {
#endif
/*
+ * The assume attribute is used to indicate that a certain condition is
+ * assumed to be true. If this condition is violated at runtime, the behavior
+ * is undefined. Compilers may or may not use this indication to generate
+ * optimized code.
+ *
+ * Note that the clang documentation states that optimizers may react
+ * differently to this attribute, and this may even have a negative
+ * performance impact. Therefore this attribute should be used with care.
+ *
+ * Optional: only supported since gcc >= 13
+ * Optional: only supported since clang >= 19
+ *
+ * gcc: https://gcc.gnu.org/onlinedocs/gcc/Statement-Attributes.html#index-assume-statement-attribute
+ * clang: https://clang.llvm.org/docs/AttributeReference.html#id13
+ *
+ */
+#ifdef CONFIG_CC_HAS_ASSUME
+# define __assume(expr) __attribute__((__assume__(expr)))
+#else
+# define __assume(expr)
+#endif
+
+/*
* Optional: only supported since gcc >= 15
* Optional: only supported since clang >= 18
*
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index a643fae8a349..7f625c35128b 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -1107,6 +1107,11 @@ struct mm_struct {
unsigned long saved_auxv[AT_VECTOR_SIZE]; /* for /proc/PID/auxv */
+#ifdef CONFIG_ARCH_HAS_ELF_CORE_EFLAGS
+ /* the ABI-related flags from the ELF header. Used for core dump */
+ unsigned long saved_e_flags;
+#endif
+
struct percpu_counter rss_stat[NR_MM_COUNTERS];
struct linux_binfmt *binfmt;
diff --git a/include/linux/msi.h b/include/linux/msi.h
index e5e86a8529fb..faac634ac230 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -431,8 +431,6 @@ struct msi_domain_info;
* function.
* @domain_free_irqs: Optional function to override the default free
* function.
- * @msi_post_free: Optional function which is invoked after freeing
- * all interrupts.
* @msi_translate: Optional translate callback to support the odd wire to
* MSI bridges, e.g. MBIGEN
*
@@ -473,8 +471,6 @@ struct msi_domain_ops {
struct device *dev, int nvec);
void (*domain_free_irqs)(struct irq_domain *domain,
struct device *dev);
- void (*msi_post_free)(struct irq_domain *domain,
- struct device *dev);
int (*msi_translate)(struct irq_domain *domain, struct irq_fwspec *fwspec,
irq_hw_number_t *hwirq, unsigned int *type);
};
diff --git a/include/linux/pagewalk.h b/include/linux/pagewalk.h
index 682472c15495..88e18615dd72 100644
--- a/include/linux/pagewalk.h
+++ b/include/linux/pagewalk.h
@@ -134,6 +134,9 @@ int walk_page_range(struct mm_struct *mm, unsigned long start,
int walk_kernel_page_table_range(unsigned long start,
unsigned long end, const struct mm_walk_ops *ops,
pgd_t *pgd, void *private);
+int walk_kernel_page_table_range_lockless(unsigned long start,
+ unsigned long end, const struct mm_walk_ops *ops,
+ pgd_t *pgd, void *private);
int walk_page_range_vma(struct vm_area_struct *vma, unsigned long start,
unsigned long end, const struct mm_walk_ops *ops,
void *private);
diff --git a/include/linux/stddef.h b/include/linux/stddef.h
index dab49e2ec8c0..80b6bfb944f0 100644
--- a/include/linux/stddef.h
+++ b/include/linux/stddef.h
@@ -94,7 +94,8 @@ enum {
__DECLARE_FLEX_ARRAY(TYPE, NAME)
/**
- * TRAILING_OVERLAP() - Overlap a flexible-array member with trailing members.
+ * __TRAILING_OVERLAP() - Overlap a flexible-array member with trailing
+ * members.
*
* Creates a union between a flexible-array member (FAM) in a struct and a set
* of additional members that would otherwise follow it.
@@ -102,15 +103,30 @@ enum {
* @TYPE: Flexible structure type name, including "struct" keyword.
* @NAME: Name for a variable to define.
* @FAM: The flexible-array member within @TYPE
+ * @ATTRS: Any struct attributes (usually empty)
* @MEMBERS: Trailing overlapping members.
*/
-#define TRAILING_OVERLAP(TYPE, NAME, FAM, MEMBERS) \
+#define __TRAILING_OVERLAP(TYPE, NAME, FAM, ATTRS, MEMBERS) \
union { \
TYPE NAME; \
struct { \
- unsigned char __offset_to_##FAM[offsetof(TYPE, FAM)]; \
+ unsigned char __offset_to_FAM[offsetof(TYPE, FAM)]; \
MEMBERS \
- }; \
+ } ATTRS; \
}
+/**
+ * TRAILING_OVERLAP() - Overlap a flexible-array member with trailing members.
+ *
+ * Creates a union between a flexible-array member (FAM) in a struct and a set
+ * of additional members that would otherwise follow it.
+ *
+ * @TYPE: Flexible structure type name, including "struct" keyword.
+ * @NAME: Name for a variable to define.
+ * @FAM: The flexible-array member within @TYPE
+ * @MEMBERS: Trailing overlapping members.
+ */
+#define TRAILING_OVERLAP(TYPE, NAME, FAM, MEMBERS) \
+ __TRAILING_OVERLAP(TYPE, NAME, FAM, /* no attrs */, MEMBERS)
+
#endif
diff --git a/include/linux/string_choices.h b/include/linux/string_choices.h
index f3ba4f52ff26..6c4077be7742 100644
--- a/include/linux/string_choices.h
+++ b/include/linux/string_choices.h
@@ -17,6 +17,12 @@
#include <linux/types.h>
+static inline const char *str_assert_deassert(bool v)
+{
+ return v ? "assert" : "deassert";
+}
+#define str_deassert_assert(v) str_assert_deassert(!(v))
+
static inline const char *str_enable_disable(bool v)
{
return v ? "enable" : "disable";
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-30 16:14:12 +0000