[PATCH 1/1] sys_sgetmask/sys_ssetmask: Add CONFIG_SGETMASK_SYSCALL

From: Fabian Frederick
Date: Sat Apr 12 2014 - 05:36:49 EST

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sys_sgetmask and sys_ssetmask are obsolete system calls no longer
supported in libc.

This patch replaces architecture related __ARCH_WANT_SYS_SGETMAX
by expert mode configuration.That option is enabled by default
for those architectures.

Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
arch/blackfin/include/asm/unistd.h | 1 -
arch/cris/include/asm/unistd.h | 1 -
arch/frv/include/asm/unistd.h | 1 -
arch/m68k/include/asm/unistd.h | 1 -
arch/microblaze/include/asm/unistd.h | 1 -
arch/mips/include/asm/unistd.h | 1 -
arch/mn10300/include/asm/unistd.h | 1 -
arch/parisc/include/asm/unistd.h | 1 -
arch/powerpc/include/asm/unistd.h | 1 -
arch/sh/include/asm/unistd.h | 1 -
arch/sparc/include/asm/unistd.h | 1 -
arch/x86/include/asm/unistd.h | 1 -
init/Kconfig | 10 ++++++++++
kernel/signal.c | 4 ++--
kernel/sys_ni.c | 2 ++
15 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h
index c35414b..c8c8ff9 100644
--- a/arch/blackfin/include/asm/unistd.h
+++ b/arch/blackfin/include/asm/unistd.h
@@ -12,7 +12,6 @@
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_FADVISE64
#define __ARCH_WANT_SYS_GETPGRP
diff --git a/arch/cris/include/asm/unistd.h b/arch/cris/include/asm/unistd.h
index 5cc7d19..0f40fed 100644
--- a/arch/cris/include/asm/unistd.h
+++ b/arch/cris/include/asm/unistd.h
@@ -15,7 +15,6 @@
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_UTIME
diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h
index 70ec729..17b5df8 100644
--- a/arch/frv/include/asm/unistd.h
+++ b/arch/frv/include/asm/unistd.h
@@ -13,7 +13,6 @@
/* #define __ARCH_WANT_SYS_GETHOSTNAME */
#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
-/* #define __ARCH_WANT_SYS_SGETMASK */
/* #define __ARCH_WANT_SYS_SIGNAL */
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_UTIME
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 9d38b73..6a43c16 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -13,7 +13,6 @@
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_UTIME
diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h
index b14232b..fd56a8f 100644
--- a/arch/microblaze/include/asm/unistd.h
+++ b/arch/microblaze/include/asm/unistd.h
@@ -19,7 +19,6 @@
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_UTIME
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index 413d6c6..e558130 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -29,7 +29,6 @@
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_UTIME
#define __ARCH_WANT_SYS_WAITPID
#define __ARCH_WANT_SYS_SOCKETCALL
diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h
index 9d4e2d1..0522468 100644
--- a/arch/mn10300/include/asm/unistd.h
+++ b/arch/mn10300/include/asm/unistd.h
@@ -26,7 +26,6 @@
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_UTIME
diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h
index 74d8358..5f4c68d 100644
--- a/arch/parisc/include/asm/unistd.h
+++ b/arch/parisc/include/asm/unistd.h
@@ -145,7 +145,6 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_COMPAT_SYS_TIME
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 4494f02..cadd550 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -29,7 +29,6 @@
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_UTIME
diff --git a/arch/sh/include/asm/unistd.h b/arch/sh/include/asm/unistd.h
index e77816c..126fe83 100644
--- a/arch/sh/include/asm/unistd.h
+++ b/arch/sh/include/asm/unistd.h
@@ -11,7 +11,6 @@
# define __ARCH_WANT_SYS_GETHOSTNAME
# define __ARCH_WANT_SYS_IPC
# define __ARCH_WANT_SYS_PAUSE
-# define __ARCH_WANT_SYS_SGETMASK
# define __ARCH_WANT_SYS_SIGNAL
# define __ARCH_WANT_SYS_TIME
# define __ARCH_WANT_SYS_UTIME
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index dfa53fd..0aac1e8 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -25,7 +25,6 @@
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_UTIME
diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h
index 3f556c6..2b19caa 100644
--- a/arch/x86/include/asm/unistd.h
+++ b/arch/x86/include/asm/unistd.h
@@ -41,7 +41,6 @@
# define __ARCH_WANT_SYS_OLD_GETRLIMIT
# define __ARCH_WANT_SYS_OLD_UNAME
# define __ARCH_WANT_SYS_PAUSE
-# define __ARCH_WANT_SYS_SGETMASK
# define __ARCH_WANT_SYS_SIGNAL
# define __ARCH_WANT_SYS_SIGPENDING
# define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/init/Kconfig b/init/Kconfig
index 427ba60..b052613 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1301,6 +1301,16 @@ config UID16
help
This enables the legacy 16-bit UID syscall wrappers.

+config SGETMASK_SYSCALL
+ bool "sgetmask/ssetmask syscalls support" if EXPERT
+ def_bool PARISC || MN10300 || BLACKFIN || M68K || PPC || MIPS || X86 || SPARC || CRIS || MICROBLAZE || SUPERH
+ ---help---
+ sys_sgetmask and sys_ssetmask are obsolete system calls
+ no longer supported in libc but still enabled by default in some
+ architectures.
+
+ If unsure, leave the default option here.
+
config SYSFS_SYSCALL
bool "Sysfs syscall support" if EXPERT
default y
diff --git a/kernel/signal.c b/kernel/signal.c
index 6ea13c0..6e600aaa 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3496,7 +3496,7 @@ COMPAT_SYSCALL_DEFINE3(sigaction, int, sig,
}
#endif

-#ifdef __ARCH_WANT_SYS_SGETMASK
+#ifdef CONFIG_SGETMASK_SYSCALL

/*
* For backwards compatibility. Functionality superseded by sigprocmask.
@@ -3517,7 +3517,7 @@ SYSCALL_DEFINE1(ssetmask, int, newmask)

return old;
}
-#endif /* __ARCH_WANT_SGETMASK */
+#endif /* CONFIG_SGETMASK_SYSCALL */

#ifdef __ARCH_WANT_SYS_SIGNAL
/*
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index bc8d1b7..36441b5 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -135,6 +135,8 @@ cond_syscall(sys_setresgid16);
cond_syscall(sys_setresuid16);
cond_syscall(sys_setreuid16);
cond_syscall(sys_setuid16);
+cond_syscall(sys_sgetmask);
+cond_syscall(sys_ssetmask);
cond_syscall(sys_vm86old);
cond_syscall(sys_vm86);
cond_syscall(sys_ipc);
--
1.8.4.5

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Next message: Vincenzo Maffione: "[PATCH] drivers: net: xen-netfront: fix array initialization bug"
Previous message: Boris BREZILLON: "Re: [RFC PATCH] regmap: smbus: add support for regmap over SMBus"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]