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-rw-r--r--arch/um/include/shared/arch.h2
-rw-r--r--arch/um/include/shared/as-layout.h8
-rw-r--r--arch/um/include/shared/common-offsets.h16
-rw-r--r--arch/um/include/shared/frame_kern.h11
-rw-r--r--arch/um/include/shared/irq_kern.h6
-rw-r--r--arch/um/include/shared/irq_user.h5
-rw-r--r--arch/um/include/shared/kern_util.h19
-rw-r--r--arch/um/include/shared/longjmp.h4
-rw-r--r--arch/um/include/shared/net_kern.h1
-rw-r--r--arch/um/include/shared/os.h12
-rw-r--r--arch/um/include/shared/registers.h4
-rw-r--r--arch/um/include/shared/skas/skas.h2
-rw-r--r--arch/um/include/shared/skas_ptrace.h2
-rw-r--r--arch/um/include/shared/sysrq.h7
-rw-r--r--arch/um/include/shared/user.h11
15 files changed, 51 insertions, 59 deletions
diff --git a/arch/um/include/shared/arch.h b/arch/um/include/shared/arch.h
index 2de92a08a76..4f46abda060 100644
--- a/arch/um/include/shared/arch.h
+++ b/arch/um/include/shared/arch.h
@@ -6,7 +6,7 @@
#ifndef __ARCH_H__
#define __ARCH_H__
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
extern void arch_check_bugs(void);
extern int arch_fixup(unsigned long address, struct uml_pt_regs *regs);
diff --git a/arch/um/include/shared/as-layout.h b/arch/um/include/shared/as-layout.h
index 896e1660217..41c8c774ec1 100644
--- a/arch/um/include/shared/as-layout.h
+++ b/arch/um/include/shared/as-layout.h
@@ -35,7 +35,7 @@
#ifndef __ASSEMBLY__
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
struct cpu_task {
int pid;
@@ -44,7 +44,6 @@ struct cpu_task {
extern struct cpu_task cpu_tasks[];
-extern unsigned long low_physmem;
extern unsigned long high_physmem;
extern unsigned long uml_physmem;
extern unsigned long uml_reserved;
@@ -52,15 +51,14 @@ extern unsigned long end_vm;
extern unsigned long start_vm;
extern unsigned long long highmem;
-extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end;
-extern unsigned long _unprotected_end;
extern unsigned long brk_start;
extern unsigned long host_task_size;
extern int linux_main(int argc, char **argv);
-extern void (*sig_info[])(int, struct uml_pt_regs *);
+struct siginfo;
+extern void (*sig_info[])(int, struct siginfo *si, struct uml_pt_regs *);
#endif
diff --git a/arch/um/include/shared/common-offsets.h b/arch/um/include/shared/common-offsets.h
index d7fe563aa7e..c9230680902 100644
--- a/arch/um/include/shared/common-offsets.h
+++ b/arch/um/include/shared/common-offsets.h
@@ -2,23 +2,11 @@
DEFINE(KERNEL_MADV_REMOVE, MADV_REMOVE);
-OFFSET(HOST_TASK_PID, task_struct, pid);
-
DEFINE(UM_KERN_PAGE_SIZE, PAGE_SIZE);
DEFINE(UM_KERN_PAGE_MASK, PAGE_MASK);
DEFINE(UM_KERN_PAGE_SHIFT, PAGE_SHIFT);
DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC);
-DEFINE_STR(UM_KERN_EMERG, KERN_EMERG);
-DEFINE_STR(UM_KERN_ALERT, KERN_ALERT);
-DEFINE_STR(UM_KERN_CRIT, KERN_CRIT);
-DEFINE_STR(UM_KERN_ERR, KERN_ERR);
-DEFINE_STR(UM_KERN_WARNING, KERN_WARNING);
-DEFINE_STR(UM_KERN_NOTICE, KERN_NOTICE);
-DEFINE_STR(UM_KERN_INFO, KERN_INFO);
-DEFINE_STR(UM_KERN_DEBUG, KERN_DEBUG);
-DEFINE_STR(UM_KERN_CONT, KERN_CONT);
-
DEFINE(UM_ELF_CLASS, ELF_CLASS);
DEFINE(UM_ELFCLASS32, ELFCLASS32);
DEFINE(UM_ELFCLASS64, ELFCLASS64);
@@ -42,8 +30,8 @@ DEFINE(UM_NSEC_PER_USEC, NSEC_PER_USEC);
#ifdef CONFIG_PRINTK
DEFINE(UML_CONFIG_PRINTK, CONFIG_PRINTK);
#endif
-#ifdef CONFIG_NO_HZ
-DEFINE(UML_CONFIG_NO_HZ, CONFIG_NO_HZ);
+#ifdef CONFIG_NO_HZ_COMMON
+DEFINE(UML_CONFIG_NO_HZ_COMMON, CONFIG_NO_HZ_COMMON);
#endif
#ifdef CONFIG_UML_X86
DEFINE(UML_CONFIG_UML_X86, CONFIG_UML_X86);
diff --git a/arch/um/include/shared/frame_kern.h b/arch/um/include/shared/frame_kern.h
index 76078490c25..f2ca5702a4e 100644
--- a/arch/um/include/shared/frame_kern.h
+++ b/arch/um/include/shared/frame_kern.h
@@ -6,16 +6,13 @@
#ifndef __FRAME_KERN_H_
#define __FRAME_KERN_H_
-#define _S(nr) (1<<((nr)-1))
-#define _BLOCKABLE (~(_S(SIGKILL) | _S(SIGSTOP)))
-
-extern int setup_signal_stack_sc(unsigned long stack_top, int sig,
+extern int setup_signal_stack_sc(unsigned long stack_top, int sig,
struct k_sigaction *ka,
- struct pt_regs *regs,
+ struct pt_regs *regs,
sigset_t *mask);
-extern int setup_signal_stack_si(unsigned long stack_top, int sig,
+extern int setup_signal_stack_si(unsigned long stack_top, int sig,
struct k_sigaction *ka,
- struct pt_regs *regs, siginfo_t *info,
+ struct pt_regs *regs, struct siginfo *info,
sigset_t *mask);
#endif
diff --git a/arch/um/include/shared/irq_kern.h b/arch/um/include/shared/irq_kern.h
index b05d22f3d84..e05bd667de1 100644
--- a/arch/um/include/shared/irq_kern.h
+++ b/arch/um/include/shared/irq_kern.h
@@ -6,13 +6,13 @@
#ifndef __IRQ_KERN_H__
#define __IRQ_KERN_H__
-#include "linux/interrupt.h"
-#include "asm/ptrace.h"
+#include <linux/interrupt.h>
+#include <asm/ptrace.h>
extern int um_request_irq(unsigned int irq, int fd, int type,
irq_handler_t handler,
unsigned long irqflags, const char * devname,
void *dev_id);
-
+void um_free_irq(unsigned int irq, void *dev);
#endif
diff --git a/arch/um/include/shared/irq_user.h b/arch/um/include/shared/irq_user.h
index c6c784df267..df563305395 100644
--- a/arch/um/include/shared/irq_user.h
+++ b/arch/um/include/shared/irq_user.h
@@ -6,7 +6,7 @@
#ifndef __IRQ_USER_H__
#define __IRQ_USER_H__
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
struct irq_fd {
struct irq_fd *next;
@@ -20,7 +20,8 @@ struct irq_fd {
enum { IRQ_READ, IRQ_WRITE };
-extern void sigio_handler(int sig, struct uml_pt_regs *regs);
+struct siginfo;
+extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
extern void free_irq_by_fd(int fd);
extern void reactivate_fd(int fd, int irqnum);
extern void deactivate_fd(int fd, int irqnum);
diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h
index 0f148385246..83a91f97633 100644
--- a/arch/um/include/shared/kern_util.h
+++ b/arch/um/include/shared/kern_util.h
@@ -6,8 +6,10 @@
#ifndef __KERN_UTIL_H__
#define __KERN_UTIL_H__
-#include "sysdep/ptrace.h"
-#include "sysdep/faultinfo.h"
+#include <sysdep/ptrace.h>
+#include <sysdep/faultinfo.h>
+
+struct siginfo;
extern int uml_exitcode;
@@ -22,7 +24,7 @@ extern void free_stack(unsigned long stack, int order);
extern int do_signal(void);
extern void interrupt_end(void);
-extern void relay_signal(int sig, struct uml_pt_regs *regs);
+extern void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs);
extern unsigned long segv(struct faultinfo fi, unsigned long ip,
int is_user, struct uml_pt_regs *regs);
@@ -33,9 +35,8 @@ extern unsigned int do_IRQ(int irq, struct uml_pt_regs *regs);
extern int smp_sigio_handler(void);
extern void initial_thread_cb(void (*proc)(void *), void *arg);
extern int is_syscall(unsigned long addr);
-extern void timer_handler(int sig, struct uml_pt_regs *regs);
-extern void timer_handler(int sig, struct uml_pt_regs *regs);
+extern void timer_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
extern int start_uml(void);
extern void paging_init(void);
@@ -48,7 +49,7 @@ extern void do_uml_exitcalls(void);
* GFP_ATOMIC.
*/
extern int __cant_sleep(void);
-extern void *get_current(void);
+extern int get_current_pid(void);
extern int copy_from_user_proc(void *to, void *from, int size);
extern int cpu(void);
extern char *uml_strdup(const char *string);
@@ -59,9 +60,9 @@ extern unsigned long from_irq_stack(int nested);
extern void syscall_trace(struct uml_pt_regs *regs, int entryexit);
extern int singlestepping(void *t);
-extern void segv_handler(int sig, struct uml_pt_regs *regs);
-extern void bus_handler(int sig, struct uml_pt_regs *regs);
-extern void winch(int sig, struct uml_pt_regs *regs);
+extern void segv_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
+extern void bus_handler(int sig, struct siginfo *si, struct uml_pt_regs *regs);
+extern void winch(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
extern void fatal_sigsegv(void) __attribute__ ((noreturn));
diff --git a/arch/um/include/shared/longjmp.h b/arch/um/include/shared/longjmp.h
index e860bc5848e..9bdddf4c405 100644
--- a/arch/um/include/shared/longjmp.h
+++ b/arch/um/include/shared/longjmp.h
@@ -1,8 +1,8 @@
#ifndef __UML_LONGJMP_H
#define __UML_LONGJMP_H
-#include "sysdep/archsetjmp.h"
-#include "os.h"
+#include <sysdep/archsetjmp.h>
+#include <os.h>
extern int setjmp(jmp_buf);
extern void longjmp(jmp_buf, int);
diff --git a/arch/um/include/shared/net_kern.h b/arch/um/include/shared/net_kern.h
index 5c367f22595..012ac87d490 100644
--- a/arch/um/include/shared/net_kern.h
+++ b/arch/um/include/shared/net_kern.h
@@ -18,7 +18,6 @@ struct uml_net {
struct net_device *dev;
struct platform_device pdev;
int index;
- unsigned char mac[ETH_ALEN];
};
struct uml_net_private {
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h
index 89b686c1a3e..08eec0b691b 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -7,9 +7,9 @@
#define __OS_H__
#include <stdarg.h>
-#include "irq_user.h"
-#include "longjmp.h"
-#include "mm_id.h"
+#include <irq_user.h>
+#include <longjmp.h>
+#include <mm_id.h>
#define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR))
@@ -136,11 +136,13 @@ extern int os_ioctl_generic(int fd, unsigned int cmd, unsigned long arg);
extern int os_get_ifname(int fd, char *namebuf);
extern int os_set_slip(int fd);
extern int os_mode_fd(int fd, int mode);
+extern int os_fsync_file(int fd);
extern int os_seek_file(int fd, unsigned long long offset);
extern int os_open_file(const char *file, struct openflags flags, int mode);
extern int os_read_file(int fd, void *buf, int len);
extern int os_write_file(int fd, const void *buf, int count);
+extern int os_sync_file(int fd);
extern int os_file_size(const char *file, unsigned long long *size_out);
extern int os_file_modtime(const char *file, unsigned long *modtime);
extern int os_pipe(int *fd, int stream, int close_on_exec);
@@ -191,7 +193,6 @@ extern int os_getpid(void);
extern int os_getpgrp(void);
extern void init_new_thread_signals(void);
-extern int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr);
extern int os_map_memory(void *virt, int fd, unsigned long long off,
unsigned long len, int r, int w, int x);
@@ -201,6 +202,7 @@ extern int os_unmap_memory(void *addr, int len);
extern int os_drop_memory(void *addr, int length);
extern int can_drop_memory(void);
extern void os_flush_stdout(void);
+extern int os_mincore(void *addr, unsigned long len);
/* execvp.c */
extern int execvp_noalloc(char *buf, const char *file, char *const argv[]);
@@ -226,6 +228,7 @@ extern void block_signals(void);
extern void unblock_signals(void);
extern int get_signals(void);
extern int set_signals(int enable);
+extern int os_is_signal_stack(void);
/* util.c */
extern void stack_protections(unsigned long address);
@@ -234,6 +237,7 @@ extern void setup_machinename(char *machine_out);
extern void setup_hostinfo(char *buf, int len);
extern void os_dump_core(void) __attribute__ ((noreturn));
extern void um_early_printk(const char *s, unsigned int n);
+extern void os_fix_helper_signals(void);
/* time.c */
extern void idle_sleep(unsigned long long nsecs);
diff --git a/arch/um/include/shared/registers.h b/arch/um/include/shared/registers.h
index f1e0aa56c52..f5b76355ad7 100644
--- a/arch/um/include/shared/registers.h
+++ b/arch/um/include/shared/registers.h
@@ -6,8 +6,8 @@
#ifndef __REGISTERS_H
#define __REGISTERS_H
-#include "sysdep/ptrace.h"
-#include "sysdep/archsetjmp.h"
+#include <sysdep/ptrace.h>
+#include <sysdep/archsetjmp.h>
extern int save_fp_registers(int pid, unsigned long *fp_regs);
extern int restore_fp_registers(int pid, unsigned long *fp_regs);
diff --git a/arch/um/include/shared/skas/skas.h b/arch/um/include/shared/skas/skas.h
index 64d2c744330..c45df961c87 100644
--- a/arch/um/include/shared/skas/skas.h
+++ b/arch/um/include/shared/skas/skas.h
@@ -6,7 +6,7 @@
#ifndef __SKAS_H
#define __SKAS_H
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
extern int userspace_pid[];
extern int proc_mm, ptrace_faultinfo, ptrace_ldt;
diff --git a/arch/um/include/shared/skas_ptrace.h b/arch/um/include/shared/skas_ptrace.h
index 3d31bbacd01..630a9c92b93 100644
--- a/arch/um/include/shared/skas_ptrace.h
+++ b/arch/um/include/shared/skas_ptrace.h
@@ -9,6 +9,6 @@
#define PTRACE_FAULTINFO 52
#define PTRACE_SWITCH_MM 55
-#include "sysdep/skas_ptrace.h"
+#include <sysdep/skas_ptrace.h>
#endif
diff --git a/arch/um/include/shared/sysrq.h b/arch/um/include/shared/sysrq.h
deleted file mode 100644
index c8d332b56b9..00000000000
--- a/arch/um/include/shared/sysrq.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef __UM_SYSRQ_H
-#define __UM_SYSRQ_H
-
-struct task_struct;
-extern void show_trace(struct task_struct* task, unsigned long *stack);
-
-#endif
diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h
index 4fa82c055aa..cef06856333 100644
--- a/arch/um/include/shared/user.h
+++ b/arch/um/include/shared/user.h
@@ -26,6 +26,17 @@
extern void panic(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
+/* Requires preincluding include/linux/kern_levels.h */
+#define UM_KERN_EMERG KERN_EMERG
+#define UM_KERN_ALERT KERN_ALERT
+#define UM_KERN_CRIT KERN_CRIT
+#define UM_KERN_ERR KERN_ERR
+#define UM_KERN_WARNING KERN_WARNING
+#define UM_KERN_NOTICE KERN_NOTICE
+#define UM_KERN_INFO KERN_INFO
+#define UM_KERN_DEBUG KERN_DEBUG
+#define UM_KERN_CONT KERN_CONT
+
#ifdef UML_CONFIG_PRINTK
extern int printk(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 15:37:16 +0000