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-rw-r--r--arch/um/include/asm/Kbuild30
-rw-r--r--arch/um/include/asm/common.lds.S1
-rw-r--r--arch/um/include/asm/dma.h2
-rw-r--r--arch/um/include/asm/fixmap.h40
-rw-r--r--arch/um/include/asm/kmap_types.h18
-rw-r--r--arch/um/include/asm/mmu.h2
-rw-r--r--arch/um/include/asm/page.h2
-rw-r--r--arch/um/include/asm/pgtable.h6
-rw-r--r--arch/um/include/asm/processor-generic.h24
-rw-r--r--arch/um/include/asm/ptrace-generic.h4
-rw-r--r--arch/um/include/asm/smp.h6
-rw-r--r--arch/um/include/asm/sysrq.h7
-rw-r--r--arch/um/include/asm/thread_info.h5
-rw-r--r--arch/um/include/asm/tlb.h22
14 files changed, 69 insertions, 100 deletions
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index fff24352255..a5e4b606821 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -1,4 +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 += 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/dma.h b/arch/um/include/asm/dma.h
index 9f6139a8a52..f88c5860520 100644
--- a/arch/um/include/asm/dma.h
+++ b/arch/um/include/asm/dma.h
@@ -1,7 +1,7 @@
#ifndef __UM_DMA_H
#define __UM_DMA_H
-#include "asm/io.h"
+#include <asm/io.h>
extern unsigned long uml_physmem;
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/kmap_types.h b/arch/um/include/asm/kmap_types.h
index 6c03acdb440..2e0a6b1d830 100644
--- a/arch/um/include/asm/kmap_types.h
+++ b/arch/um/include/asm/kmap_types.h
@@ -8,22 +8,6 @@
/* No more #include "asm/arch/kmap_types.h" ! */
-enum km_type {
- KM_BOUNCE_READ,
- KM_SKB_SUNRPC_DATA,
- KM_SKB_DATA_SOFTIRQ,
- KM_USER0,
- KM_USER1,
- KM_UML_USERCOPY, /* UML specific, for copy_*_user - used in do_op_one_page */
- KM_BIO_SRC_IRQ,
- KM_BIO_DST_IRQ,
- KM_PTE0,
- KM_PTE1,
- KM_IRQ0,
- KM_IRQ1,
- KM_SOFTIRQ0,
- KM_SOFTIRQ1,
- KM_TYPE_NR
-};
+#define KM_TYPE_NR 14
#endif
diff --git a/arch/um/include/asm/mmu.h b/arch/um/include/asm/mmu.h
index 53e8b498ebb..da705448590 100644
--- a/arch/um/include/asm/mmu.h
+++ b/arch/um/include/asm/mmu.h
@@ -6,7 +6,7 @@
#ifndef __ARCH_UM_MMU_H
#define __ARCH_UM_MMU_H
-#include "mm_id.h"
+#include <mm_id.h>
#include <asm/mm_context.h>
typedef struct mm_context {
diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h
index 7cfc3cedce8..5ff53d9185f 100644
--- a/arch/um/include/asm/page.h
+++ b/arch/um/include/asm/page.h
@@ -99,7 +99,7 @@ extern unsigned long uml_physmem;
#define __va_space (8*1024*1024)
-#include "mem.h"
+#include <mem.h>
/* Cast to unsigned long before casting to void * to avoid a warning from
* mmap_kmem about cutting a long long down to a void *. Not sure that
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index 5888f1b8347..bf974f712af 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -23,9 +23,9 @@
pte_present gives true */
#ifdef CONFIG_3_LEVEL_PGTABLES
-#include "asm/pgtable-3level.h"
+#include <asm/pgtable-3level.h>
#else
-#include "asm/pgtable-2level.h"
+#include <asm/pgtable-2level.h>
#endif
extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
@@ -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 69f1c57a8d0..cbc5edd5a90 100644
--- a/arch/um/include/asm/processor-generic.h
+++ b/arch/um/include/asm/processor-generic.h
@@ -10,34 +10,23 @@ struct pt_regs;
struct task_struct;
-#include "asm/ptrace.h"
-#include "registers.h"
-#include "sysdep/archsetjmp.h"
+#include <asm/ptrace.h>
+#include <registers.h>
+#include <sysdep/archsetjmp.h>
#include <linux/prefetch.h>
struct mm_struct;
struct thread_struct {
- struct task_struct *saved_task;
- /*
- * This flag is set to 1 before calling do_fork (and analyzed in
- * copy_thread) to mark that we are begin called from userspace (fork /
- * vfork / clone), and reset to 0 after. It is left to 0 when called
- * from kernelspace (i.e. kernel_thread() or fork_idle(),
- * as of 2.6.11).
- */
- int forking;
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;
- jmp_buf *exec_buf;
struct arch_thread arch;
jmp_buf switch_buf;
- int mm_count;
struct {
int op;
union {
@@ -58,12 +47,9 @@ struct thread_struct {
#define INIT_THREAD \
{ \
- .forking = 0, \
.regs = EMPTY_REGS, \
.fault_addr = NULL, \
.prev_sched = NULL, \
- .temp_stack = 0, \
- .exec_buf = NULL, \
.arch = INIT_ARCH_THREAD, \
.request = { 0 } \
}
@@ -72,8 +58,6 @@ static inline void release_thread(struct task_struct *task)
{
}
-extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
extern unsigned long thread_saved_pc(struct task_struct *t);
static inline void mm_copy_segments(struct mm_struct *from_mm,
diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h
index e786a6a3ec5..cb9b3c47ca8 100644
--- a/arch/um/include/asm/ptrace-generic.h
+++ b/arch/um/include/asm/ptrace-generic.h
@@ -9,7 +9,7 @@
#ifndef __ASSEMBLY__
#include <asm/ptrace-abi.h>
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
struct pt_regs {
struct uml_pt_regs regs;
@@ -37,6 +37,8 @@ extern int putreg(struct task_struct *child, int regno, unsigned long value);
extern int arch_copy_tls(struct task_struct *new);
extern void clear_flushed_tls(struct task_struct *task);
+extern void syscall_trace_enter(struct pt_regs *regs);
+extern void syscall_trace_leave(struct pt_regs *regs);
#endif
diff --git a/arch/um/include/asm/smp.h b/arch/um/include/asm/smp.h
index 4a4b09d4f36..e4507938d8c 100644
--- a/arch/um/include/asm/smp.h
+++ b/arch/um/include/asm/smp.h
@@ -3,9 +3,9 @@
#ifdef CONFIG_SMP
-#include "linux/bitops.h"
-#include "asm/current.h"
-#include "linux/cpumask.h"
+#include <linux/bitops.h>
+#include <asm/current.h>
+#include <linux/cpumask.h>
#define raw_smp_processor_id() (current_thread->cpu)
diff --git a/arch/um/include/asm/sysrq.h b/arch/um/include/asm/sysrq.h
new file mode 100644
index 00000000000..c8d332b56b9
--- /dev/null
+++ b/arch/um/include/asm/sysrq.h
@@ -0,0 +1,7 @@
+#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/asm/thread_info.h b/arch/um/include/asm/thread_info.h
index c04e5ab68f5..1c5b2a83046 100644
--- a/arch/um/include/asm/thread_info.h
+++ b/arch/um/include/asm/thread_info.h
@@ -60,13 +60,9 @@ 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 */
-#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling
- * TIF_NEED_RESCHED */
#define TIF_RESTART_BLOCK 4
#define TIF_MEMDIE 5 /* is terminating due to OOM killer */
#define TIF_SYSCALL_AUDIT 6
@@ -76,7 +72,6 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
-#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
#define _TIF_MEMDIE (1 << TIF_MEMDIE)
#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
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
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 15:23:18 +0000