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-rw-r--r--arch/um/include/asm/Kbuild31
-rw-r--r--arch/um/include/asm/common.lds.S1
-rw-r--r--arch/um/include/asm/fixmap.h40
-rw-r--r--arch/um/include/asm/pgtable.h2
-rw-r--r--arch/um/include/asm/processor-generic.h5
-rw-r--r--arch/um/include/asm/thread_info.h2
-rw-r--r--arch/um/include/asm/tlb.h22
-rw-r--r--arch/um/include/shared/as-layout.h3
-rw-r--r--arch/um/include/shared/common-offsets.h4
-rw-r--r--arch/um/include/shared/frame_kern.h8
-rw-r--r--arch/um/include/shared/net_kern.h1
-rw-r--r--arch/um/include/shared/os.h5
12 files changed, 58 insertions, 66 deletions
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index b30f34a7988..a5e4b606821 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -1,5 +1,28 @@
-generic-y += bug.h cputime.h device.h emergency-restart.h futex.h hardirq.h
-generic-y += hw_irq.h irq_regs.h kdebug.h percpu.h sections.h topology.h xor.h
-generic-y += ftrace.h pci.h io.h param.h delay.h mutex.h current.h exec.h
-generic-y += switch_to.h clkdev.h
+generic-y += barrier.h
+generic-y += bug.h
+generic-y += clkdev.h
+generic-y += cputime.h
+generic-y += current.h
+generic-y += delay.h
+generic-y += device.h
+generic-y += emergency-restart.h
+generic-y += exec.h
+generic-y += ftrace.h
+generic-y += futex.h
+generic-y += hardirq.h
+generic-y += hash.h
+generic-y += hw_irq.h
+generic-y += io.h
+generic-y += irq_regs.h
+generic-y += kdebug.h
+generic-y += mcs_spinlock.h
+generic-y += mutex.h
+generic-y += param.h
+generic-y += pci.h
+generic-y += percpu.h
+generic-y += preempt.h
+generic-y += sections.h
+generic-y += switch_to.h
+generic-y += topology.h
generic-y += trace_clock.h
+generic-y += xor.h
diff --git a/arch/um/include/asm/common.lds.S b/arch/um/include/asm/common.lds.S
index 4938de5512d..1dd5bd8a8c5 100644
--- a/arch/um/include/asm/common.lds.S
+++ b/arch/um/include/asm/common.lds.S
@@ -57,7 +57,6 @@
*(.uml.initcall.init)
__uml_initcall_end = .;
}
- __init_end = .;
SECURITY_INIT
diff --git a/arch/um/include/asm/fixmap.h b/arch/um/include/asm/fixmap.h
index 21a423bae5e..3094ea3c73b 100644
--- a/arch/um/include/asm/fixmap.h
+++ b/arch/um/include/asm/fixmap.h
@@ -43,13 +43,6 @@ enum fixed_addresses {
extern void __set_fixmap (enum fixed_addresses idx,
unsigned long phys, pgprot_t flags);
-#define set_fixmap(idx, phys) \
- __set_fixmap(idx, phys, PAGE_KERNEL)
-/*
- * Some hardware wants to get fixmapped without caching.
- */
-#define set_fixmap_nocache(idx, phys) \
- __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE)
/*
* used by vmalloc.c.
*
@@ -62,37 +55,6 @@ extern void __set_fixmap (enum fixed_addresses idx,
#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
-#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT))
-#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT)
-
-extern void __this_fixmap_does_not_exist(void);
-
-/*
- * 'index to address' translation. If anyone tries to use the idx
- * directly without tranlation, we catch the bug with a NULL-deference
- * kernel oops. Illegal ranges of incoming indices are caught too.
- */
-static inline unsigned long fix_to_virt(const unsigned int idx)
-{
- /*
- * this branch gets completely eliminated after inlining,
- * except when someone tries to use fixaddr indices in an
- * illegal way. (such as mixing up address types or using
- * out-of-range indices).
- *
- * If it doesn't get removed, the linker will complain
- * loudly with a reasonably clear error message..
- */
- if (idx >= __end_of_fixed_addresses)
- __this_fixmap_does_not_exist();
-
- return __fix_to_virt(idx);
-}
-
-static inline unsigned long virt_to_fix(const unsigned long vaddr)
-{
- BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START);
- return __virt_to_fix(vaddr);
-}
+#include <asm-generic/fixmap.h>
#endif
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index ae02909a187..bf974f712af 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -69,8 +69,6 @@ extern unsigned long end_iomem;
#define PAGE_KERNEL __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED)
#define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC)
-#define io_remap_pfn_range remap_pfn_range
-
/*
* The i386 can't do page protection for execute, and considers that the same
* are read.
diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h
index c03cd5a0236..cbc5edd5a90 100644
--- a/arch/um/include/asm/processor-generic.h
+++ b/arch/um/include/asm/processor-generic.h
@@ -19,16 +19,14 @@ struct task_struct;
struct mm_struct;
struct thread_struct {
- struct task_struct *saved_task;
struct pt_regs regs;
+ struct pt_regs *segv_regs;
int singlestep_syscall;
void *fault_addr;
jmp_buf *fault_catcher;
struct task_struct *prev_sched;
- unsigned long temp_stack;
struct arch_thread arch;
jmp_buf switch_buf;
- int mm_count;
struct {
int op;
union {
@@ -52,7 +50,6 @@ struct thread_struct {
.regs = EMPTY_REGS, \
.fault_addr = NULL, \
.prev_sched = NULL, \
- .temp_stack = 0, \
.arch = INIT_ARCH_THREAD, \
.request = { 0 } \
}
diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h
index 2c8eeb2df8b..1c5b2a83046 100644
--- a/arch/um/include/asm/thread_info.h
+++ b/arch/um/include/asm/thread_info.h
@@ -60,8 +60,6 @@ static inline struct thread_info *current_thread_info(void)
#endif
-#define PREEMPT_ACTIVE 0x10000000
-
#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
#define TIF_SIGPENDING 1 /* signal pending */
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h
index 4febacd1a8a..16eb63fac57 100644
--- a/arch/um/include/asm/tlb.h
+++ b/arch/um/include/asm/tlb.h
@@ -45,10 +45,12 @@ static inline void init_tlb_gather(struct mmu_gather *tlb)
}
static inline void
-tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush)
+tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
{
tlb->mm = mm;
- tlb->fullmm = full_mm_flush;
+ tlb->start = start;
+ tlb->end = end;
+ tlb->fullmm = !(start | (end+1));
init_tlb_gather(tlb);
}
@@ -57,13 +59,25 @@ extern void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
unsigned long end);
static inline void
+tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+{
+ flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end);
+}
+
+static inline void
+tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+ init_tlb_gather(tlb);
+}
+
+static inline void
tlb_flush_mmu(struct mmu_gather *tlb)
{
if (!tlb->need_flush)
return;
- flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end);
- init_tlb_gather(tlb);
+ tlb_flush_mmu_tlbonly(tlb);
+ tlb_flush_mmu_free(tlb);
}
/* tlb_finish_mmu
diff --git a/arch/um/include/shared/as-layout.h b/arch/um/include/shared/as-layout.h
index 694c792bab4..41c8c774ec1 100644
--- a/arch/um/include/shared/as-layout.h
+++ b/arch/um/include/shared/as-layout.h
@@ -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;
@@ -52,8 +51,6 @@ 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;
diff --git a/arch/um/include/shared/common-offsets.h b/arch/um/include/shared/common-offsets.h
index 2df313b6a58..c9230680902 100644
--- a/arch/um/include/shared/common-offsets.h
+++ b/arch/um/include/shared/common-offsets.h
@@ -30,8 +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 e584e40ee83..f2ca5702a4e 100644
--- a/arch/um/include/shared/frame_kern.h
+++ b/arch/um/include/shared/frame_kern.h
@@ -6,13 +6,13 @@
#ifndef __FRAME_KERN_H_
#define __FRAME_KERN_H_
-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/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 95feaa47a2f..08eec0b691b 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -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);
@@ -200,6 +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[]);
@@ -225,6 +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);
@@ -233,6 +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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 15:31:32 +0000