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-rw-r--r--include/asm-generic/atomic.h4
-rw-r--r--include/asm-generic/bug.h7
-rw-r--r--include/asm-generic/local.h2
-rw-r--r--include/asm-generic/percpu.h35
-rw-r--r--include/asm-generic/pgtable.h21
-rw-r--r--include/asm-generic/vmlinux.lds.h9
6 files changed, 48 insertions, 30 deletions
diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index 7abdaa91ccd3..81d3be459efb 100644
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -132,9 +132,9 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
#define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l))
#define atomic_long_cmpxchg(l, old, new) \
- (atomic_cmpxchg((atomic64_t *)(l), (old), (new)))
+ (atomic64_cmpxchg((atomic64_t *)(l), (old), (new)))
#define atomic_long_xchg(v, new) \
- (atomic_xchg((atomic64_t *)(l), (new)))
+ (atomic64_xchg((atomic64_t *)(v), (new)))
#else /* BITS_PER_LONG == 64 */
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index e727fe0d1451..4b6755984d24 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -58,12 +58,13 @@ struct bug_entry {
*/
#ifndef __WARN
#ifndef __ASSEMBLY__
-extern void warn_slowpath(const char *file, const int line,
+extern void warn_slowpath_fmt(const char *file, const int line,
const char *fmt, ...) __attribute__((format(printf, 3, 4)));
+extern void warn_slowpath_null(const char *file, const int line);
#define WANT_WARN_ON_SLOWPATH
#endif
-#define __WARN() warn_slowpath(__FILE__, __LINE__, NULL)
-#define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg)
+#define __WARN() warn_slowpath_null(__FILE__, __LINE__)
+#define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg)
#else
#define __WARN_printf(arg...) do { printk(arg); __WARN(); } while (0)
#endif
diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
index dbd6150763e9..fc218444e315 100644
--- a/include/asm-generic/local.h
+++ b/include/asm-generic/local.h
@@ -42,7 +42,7 @@ typedef struct
#define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n))
#define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n))
-#define local_add_unless(l, a, u) atomic_long_add_unless((&(l)->a), (a), (u))
+#define local_add_unless(l, _a, u) atomic_long_add_unless((&(l)->a), (_a), (u))
#define local_inc_not_zero(l) atomic_long_inc_not_zero(&(l)->a)
/* Non-atomic variants, ie. preemption disabled and won't be touched
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index b0e63c672ebd..d7d50d7ee51e 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -1,13 +1,9 @@
#ifndef _ASM_GENERIC_PERCPU_H_
#define _ASM_GENERIC_PERCPU_H_
+
#include <linux/compiler.h>
#include <linux/threads.h>
-
-/*
- * Determine the real variable name from the name visible in the
- * kernel sources.
- */
-#define per_cpu_var(var) per_cpu__##var
+#include <linux/percpu-defs.h>
#ifdef CONFIG_SMP
@@ -73,11 +69,32 @@ extern void setup_per_cpu_areas(void);
#endif /* SMP */
+#ifndef PER_CPU_BASE_SECTION
+#ifdef CONFIG_SMP
+#define PER_CPU_BASE_SECTION ".data.percpu"
+#else
+#define PER_CPU_BASE_SECTION ".data"
+#endif
+#endif
+
+#ifdef CONFIG_SMP
+
+#ifdef MODULE
+#define PER_CPU_SHARED_ALIGNED_SECTION ""
+#else
+#define PER_CPU_SHARED_ALIGNED_SECTION ".shared_aligned"
+#endif
+#define PER_CPU_FIRST_SECTION ".first"
+
+#else
+
+#define PER_CPU_SHARED_ALIGNED_SECTION ""
+#define PER_CPU_FIRST_SECTION ""
+
+#endif
+
#ifndef PER_CPU_ATTRIBUTES
#define PER_CPU_ATTRIBUTES
#endif
-#define DECLARE_PER_CPU(type, name) extern PER_CPU_ATTRIBUTES \
- __typeof__(type) per_cpu_var(name)
-
#endif /* _ASM_GENERIC_PERCPU_H_ */
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 8e6d0ca70aba..e410f602cab1 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -280,17 +280,18 @@ static inline void ptep_modify_prot_commit(struct mm_struct *mm,
#endif
/*
- * A facility to provide batching of the reload of page tables with the
- * actual context switch code for paravirtualized guests. By convention,
- * only one of the lazy modes (CPU, MMU) should be active at any given
- * time, entry should never be nested, and entry and exits should always
- * be paired. This is for sanity of maintaining and reasoning about the
- * kernel code.
+ * A facility to provide batching of the reload of page tables and
+ * other process state with the actual context switch code for
+ * paravirtualized guests. By convention, only one of the batched
+ * update (lazy) modes (CPU, MMU) should be active at any given time,
+ * entry should never be nested, and entry and exits should always be
+ * paired. This is for sanity of maintaining and reasoning about the
+ * kernel code. In this case, the exit (end of the context switch) is
+ * in architecture-specific code, and so doesn't need a generic
+ * definition.
*/
-#ifndef __HAVE_ARCH_ENTER_LAZY_CPU_MODE
-#define arch_enter_lazy_cpu_mode() do {} while (0)
-#define arch_leave_lazy_cpu_mode() do {} while (0)
-#define arch_flush_lazy_cpu_mode() do {} while (0)
+#ifndef __HAVE_ARCH_START_CONTEXT_SWITCH
+#define arch_start_context_switch(prev) do {} while (0)
#endif
#ifndef __HAVE_PFNMAP_TRACKING
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 7fa660fd449c..f1736ca7922c 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -1,3 +1,5 @@
+#include <linux/section-names.h>
+
#ifndef LOAD_OFFSET
#define LOAD_OFFSET 0
#endif
@@ -61,7 +63,7 @@
#define BRANCH_PROFILE()
#endif
-#ifdef CONFIG_EVENT_TRACER
+#ifdef CONFIG_EVENT_TRACING
#define FTRACE_EVENTS() VMLINUX_SYMBOL(__start_ftrace_events) = .; \
*(_ftrace_events) \
VMLINUX_SYMBOL(__stop_ftrace_events) = .;
@@ -88,7 +90,6 @@
/* .data section */
#define DATA_DATA \
*(.data) \
- *(.data.init.refok) \
*(.ref.data) \
DEV_KEEP(init.data) \
DEV_KEEP(exit.data) \
@@ -287,8 +288,6 @@
*(.text.hot) \
*(.text) \
*(.ref.text) \
- *(.text.init.refok) \
- *(.exit.text.refok) \
DEV_KEEP(init.text) \
DEV_KEEP(exit.text) \
CPU_KEEP(init.text) \
@@ -331,7 +330,7 @@
#endif
/* Section used for early init (in .S files) */
-#define HEAD_TEXT *(.head.text)
+#define HEAD_TEXT *(HEAD_TEXT_SECTION)
/* init and exit section handling */
#define INIT_DATA \
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 10:10:31 +0000