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kernel: open-code sys_rt_sigpending() in sys_sigpending()

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A similar but not fully equivalent code path is already open-coded
three times (in sys_rt_sigpending and in the two compat stubs), so
do it a fourth time here.

This patch is part of a series which removes in-kernel calls to syscalls.
On this basis, the syscall entry path can be streamlined. For details, see
http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski
2018-03-11 11:34:37 +01:00
parent d300b61081
commit d53238cd51
2 changed files with 13 additions and 4 deletions
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2
include/linux/syscalls.h
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@@ -288,7 +288,7 @@ asmlinkage long sys_capset(cap_user_header_t header,
const cap_user_data_t data);
asmlinkage long sys_personality(unsigned int personality);
asmlinkage long sys_sigpending(old_sigset_t __user *set);
asmlinkage long sys_sigpending(old_sigset_t __user *uset);
asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
old_sigset_t __user *oset);
asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss,