diff options
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/um/include/asm/mm-arch-hooks.h | 15 | ||||
| -rw-r--r-- | arch/um/include/shared/kern_util.h | 3 | ||||
| -rw-r--r-- | arch/um/kernel/process.c | 6 | ||||
| -rw-r--r-- | arch/um/kernel/signal.c | 8 | ||||
| -rw-r--r-- | arch/um/kernel/tlb.c | 2 | ||||
| -rw-r--r-- | arch/um/kernel/trap.c | 2 |
7 files changed, 10 insertions, 27 deletions
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild index 3d63ff6f583f..149ec55f9c46 100644 --- a/arch/um/include/asm/Kbuild +++ b/arch/um/include/asm/Kbuild @@ -16,6 +16,7 @@ generic-y += irq_regs.h generic-y += irq_work.h generic-y += kdebug.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += param.h generic-y += pci.h diff --git a/arch/um/include/asm/mm-arch-hooks.h b/arch/um/include/asm/mm-arch-hooks.h deleted file mode 100644 index a7c8b0dfdd4e..000000000000 --- a/arch/um/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_UM_MM_ARCH_HOOKS_H -#define _ASM_UM_MM_ARCH_HOOKS_H - -#endif /* _ASM_UM_MM_ARCH_HOOKS_H */ diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h index 83a91f976330..35ab97e4bb9b 100644 --- a/arch/um/include/shared/kern_util.h +++ b/arch/um/include/shared/kern_util.h @@ -22,7 +22,8 @@ extern int kmalloc_ok; extern unsigned long alloc_stack(int order, int atomic); extern void free_stack(unsigned long stack, int order); -extern int do_signal(void); +struct pt_regs; +extern void do_signal(struct pt_regs *regs); extern void interrupt_end(void); extern void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs); diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 68b9119841cd..a6d922672b9f 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -90,12 +90,14 @@ void *__switch_to(struct task_struct *from, struct task_struct *to) void interrupt_end(void) { + struct pt_regs *regs = ¤t->thread.regs; + if (need_resched()) schedule(); if (test_thread_flag(TIF_SIGPENDING)) - do_signal(); + do_signal(regs); if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) - tracehook_notify_resume(¤t->thread.regs); + tracehook_notify_resume(regs); } void exit_thread(void) diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c index 4f60e4aad790..57acbd67d85d 100644 --- a/arch/um/kernel/signal.c +++ b/arch/um/kernel/signal.c @@ -64,7 +64,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) signal_setup_done(err, ksig, singlestep); } -static int kern_do_signal(struct pt_regs *regs) +void do_signal(struct pt_regs *regs) { struct ksignal ksig; int handled_sig = 0; @@ -110,10 +110,4 @@ static int kern_do_signal(struct pt_regs *regs) */ if (!handled_sig) restore_saved_sigmask(); - return handled_sig; -} - -int do_signal(void) -{ - return kern_do_signal(¤t->thread.regs); } diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index f1b3eb14b855..2077248e8a72 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -291,7 +291,7 @@ void fix_range_common(struct mm_struct *mm, unsigned long start_addr, /* We are under mmap_sem, release it such that current can terminate */ up_write(¤t->mm->mmap_sem); force_sig(SIGKILL, current); - do_signal(); + do_signal(¤t->thread.regs); } } diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index 557232f758b6..d8a9fce6ee2e 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c @@ -173,7 +173,7 @@ static void bad_segv(struct faultinfo fi, unsigned long ip) void fatal_sigsegv(void) { force_sigsegv(SIGSEGV, current); - do_signal(); + do_signal(¤t->thread.regs); /* * This is to tell gcc that we're not returning - do_signal * can, in general, return, but in this case, it's not, since |