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Commit eaca6eae authored by Al Viro's avatar Al Viro
Browse files

sanitize rt_sigaction() situation a bit 



	Switch from __ARCH_WANT_SYS_RT_SIGACTION to opposite
(!CONFIG_ODD_RT_SIGACTION); the only two architectures that
need it are alpha and sparc.  The reason for use of CONFIG_...
instead of __ARCH_... is that it's needed only kernel-side
and doing it that way avoids a mess with include order on many
architectures.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 37784074

arch/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -373,4 +373,9 @@ config CLONE_BACKWARDS2 
	help

	  Architecture has the first two arguments of clone(2) swapped.



config ODD_RT_SIGACTION

	bool

	help

	  Architecture has unusual rt_sigaction(2) arguments



source "kernel/gcov/Kconfig"

arch/alpha/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ config ALPHA 
	select HAVE_MOD_ARCH_SPECIFIC

	select MODULES_USE_ELF_RELA

	select GENERIC_SIGALTSTACK

	select ODD_RT_SIGACTION

	help

	  The Alpha is a 64-bit general-purpose processor designed and

	  marketed by the Digital Equipment Corporation of blessed memory,

arch/ia64/include/asm/unistd.h

+0 −4
Original line number Diff line number Diff line
@@ -49,10 +49,6 @@ asmlinkage unsigned long sys_mmap2( 
struct pt_regs;

struct sigaction;

asmlinkage long sys_ia64_pipe(void);

asmlinkage long sys_rt_sigaction(int sig,

				 const struct sigaction __user *act,

				 struct sigaction __user *oact,

				 size_t sigsetsize);



/*

 * "Conditional" syscalls

arch/powerpc/include/asm/syscalls.h

+0 −3
Original line number Diff line number Diff line
@@ -19,9 +19,6 @@ asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len, 
		unsigned long fd, unsigned long pgoff);

asmlinkage long sys_pipe(int __user *fildes);

asmlinkage long sys_pipe2(int __user *fildes, int flags);

asmlinkage long sys_rt_sigaction(int sig,

		const struct sigaction __user *act,

		struct sigaction __user *oact, size_t sigsetsize);

asmlinkage long ppc64_personality(unsigned long personality);

asmlinkage int ppc_rtas(struct rtas_args __user *uargs);

asmlinkage time_t sys64_time(time_t __user * tloc);

arch/sparc/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ config SPARC 
	select GENERIC_STRNCPY_FROM_USER

	select GENERIC_STRNLEN_USER

	select MODULES_USE_ELF_RELA

	select ODD_RT_SIGACTION



config SPARC32

	def_bool !64BIT