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microblaze: clean up signal handling

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When legacy signal handling is disabled, the
arch/microblaze/kernel/signal.c implementation can
be much simpler, as most of it is handled generically
from kernel/signal.c.

This is also a prerequisite for using the generic
asm/unistd.h, which does not provide __NR_sigreturn,
because this macro is referenced by the current signal.c
implementation.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Arnd Bergmann
2009-06-18 19:55:29 +02:00
committed by Michal Simek
parent 0a58458341
commit 3183e06863
7 changed files with 41 additions and 343 deletions
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2
arch/microblaze/include/asm/unistd.h
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@@ -408,7 +408,7 @@
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
#define __ARCH_WANT_SYS_RT_SIGACTION
/* #define __ARCH_WANT_SYS_RT_SIGSUSPEND */
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
/*
* "Conditional" syscalls