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uml: remove init_irq_signals

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init_irq_signals doesn't need to be called from the context of a new process.
It initializes handlers, which are useless in process context.  With that call
gone, init_irq_signals has only one caller, so it can be inlined into
init_new_thread_signals.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike 2008-02-04 22:31:16 -08:00 committed by Linus Torvalds
parent cfef8f34e7
commit 3a24ebf0cb
3 changed files with 4 additions and 13 deletions
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1
arch/um/include/os.h
View File

@ -285,7 +285,6 @@ extern void os_free_irq_later(struct irq_fd *active_fds,
extern int os_get_pollfd(int i);
extern void os_set_pollfd(int i, int fd);
extern void os_set_ioignore(void);
extern void init_irq_signals(int on_sigstack);
/* sigio.c */
extern int add_sigio_fd(int fd);

11
arch/um/os-Linux/irq.c
View File

@ -136,14 +136,3 @@ void os_set_ioignore(void)
{
signal(SIGIO, SIG_IGN);
}
void init_irq_signals(int on_sigstack)
{
int flags;
flags = on_sigstack ? SA_ONSTACK : 0;
set_handler(SIGIO, (__sighandler_t) sig_handler, flags | SA_RESTART,
SIGUSR1, SIGIO, SIGWINCH, SIGVTALRM, -1);
signal(SIGWINCH, SIG_IGN);
}

5
arch/um/os-Linux/process.c
View File

@ -249,7 +249,10 @@ void init_new_thread_signals(void)
SIGUSR1, SIGIO, SIGWINCH, SIGVTALRM, -1);
signal(SIGHUP, SIG_IGN);
init_irq_signals(1);
set_handler(SIGIO, (__sighandler_t) sig_handler,
SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGALRM,
SIGVTALRM, -1);
signal(SIGWINCH, SIG_IGN);
}
int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr)