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-rw-r--r--arch/um/drivers/line.c1
-rw-r--r--arch/um/include/asm/system.h3
-rw-r--r--arch/um/include/asm/thread_info.h7
-rw-r--r--arch/um/kernel/skas/syscall.c4
-rw-r--r--arch/um/sys-i386/asm/elf.h2
-rw-r--r--arch/um/sys-x86_64/asm/elf.h2
-rw-r--r--arch/um/sys-x86_64/signal.c3
7 files changed, 10 insertions, 12 deletions
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 7a656bd8bd3c..7f7338c90784 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -19,7 +19,6 @@ static irqreturn_t line_interrupt(int irq, void *data)
{
struct chan *chan = data;
struct line *line = chan->line;
- struct tty_struct *tty;
if (line)
chan_interrupt(&line->chan_list, &line->task, line->tty, irq);
diff --git a/arch/um/include/asm/system.h b/arch/um/include/asm/system.h
index 753346e2cdfd..93af1cf0907d 100644
--- a/arch/um/include/asm/system.h
+++ b/arch/um/include/asm/system.h
@@ -3,11 +3,8 @@
#include "sysdep/system.h"
-extern void *switch_to(void *prev, void *next, void *last);
-
extern int get_signals(void);
extern int set_signals(int enable);
-extern int get_signals(void);
extern void block_signals(void);
extern void unblock_signals(void);
diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h
index fd911f855367..e2cf786bda0a 100644
--- a/arch/um/include/asm/thread_info.h
+++ b/arch/um/include/asm/thread_info.h
@@ -63,10 +63,9 @@ static inline struct thread_info *current_thread_info(void)
#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
+ * TIF_NEED_RESCHED */
+#define TIF_RESTART_BLOCK 4
+#define TIF_MEMDIE 5 /* is terminating due to OOM killer */
#define TIF_SYSCALL_AUDIT 6
#define TIF_RESTORE_SIGMASK 7
#define TIF_FREEZE 16 /* is freezing for suspend */
diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c
index 4e3b820bd2be..f5173e1ec3ac 100644
--- a/arch/um/kernel/skas/syscall.c
+++ b/arch/um/kernel/skas/syscall.c
@@ -10,7 +10,7 @@
#include "sysdep/syscalls.h"
extern int syscall_table_size;
-#define NR_syscalls (syscall_table_size / sizeof(void *))
+#define NR_SYSCALLS (syscall_table_size / sizeof(void *))
void handle_syscall(struct uml_pt_regs *r)
{
@@ -30,7 +30,7 @@ void handle_syscall(struct uml_pt_regs *r)
* in case it's a compiler bug.
*/
syscall = UPT_SYSCALL_NR(r);
- if ((syscall >= NR_syscalls) || (syscall < 0))
+ if ((syscall >= NR_SYSCALLS) || (syscall < 0))
result = -ENOSYS;
else result = EXECUTE_SYSCALL(syscall, regs);
diff --git a/arch/um/sys-i386/asm/elf.h b/arch/um/sys-i386/asm/elf.h
index e64cd41d7bab..a979a22a8d9f 100644
--- a/arch/um/sys-i386/asm/elf.h
+++ b/arch/um/sys-i386/asm/elf.h
@@ -75,6 +75,8 @@ typedef struct user_i387_struct elf_fpregset_t;
pr_reg[16] = PT_REGS_SS(regs); \
} while (0);
+struct task_struct;
+
extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
diff --git a/arch/um/sys-x86_64/asm/elf.h b/arch/um/sys-x86_64/asm/elf.h
index 49655c83efd2..d760967f33a7 100644
--- a/arch/um/sys-x86_64/asm/elf.h
+++ b/arch/um/sys-x86_64/asm/elf.h
@@ -95,6 +95,8 @@ typedef struct user_i387_struct elf_fpregset_t;
(pr_reg)[25] = 0; \
(pr_reg)[26] = 0;
+struct task_struct;
+
extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c
index 1a899a7ed7a6..b6b65c7c7a7d 100644
--- a/arch/um/sys-x86_64/signal.c
+++ b/arch/um/sys-x86_64/signal.c
@@ -6,6 +6,7 @@
#include <linux/personality.h>
#include <linux/ptrace.h>
+#include <linux/kernel.h>
#include <asm/unistd.h>
#include <asm/uaccess.h>
#include <asm/ucontext.h>
@@ -165,8 +166,6 @@ struct rt_sigframe
struct _fpstate fpstate;
};
-#define round_down(m, n) (((m) / (n)) * (n))
-
int setup_signal_stack_si(unsigned long stack_top, int sig,
struct k_sigaction *ka, struct pt_regs * regs,
siginfo_t *info, sigset_t *set)