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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-21 12:41:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-21 12:41:17 -0700 |
| commit | e60b9a0346ee08af4715ee5b2d82f705fbe6e309 (patch) | |
| tree | 886e1be2a283806e1dc940b7379a5a6e4683a97b /arch/s390/kernel/signal.c | |
| parent | 9daeaa370526df1c19eba4780247bb7155541e38 (diff) | |
| parent | a7475afd530e6bf81c9025b0134dd1c7c6f1a219 (diff) | |
| download | linux-rt-e60b9a0346ee08af4715ee5b2d82f705fbe6e309.tar.gz | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"Just a random collection of bug-fixes and cleanups, nothing new in
this merge request."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (46 commits)
s390/ap: Fix wrong or missing comments
s390/ap: move receive callback to message struct
s390/dasd: re-prioritize partition detection message
s390/qeth: reshuffle initialization
s390/qeth: cleanup drv attr usage
s390/claw: cleanup drv attr usage
s390/lcs: cleanup drv attr usage
s390/ctc: cleanup drv attr usage
s390/ccwgroup: remove ccwgroup_create_from_string
s390/qeth: stop using struct ccwgroup driver for discipline callbacks
s390/qeth: switch to ccwgroup_create_dev
s390/claw: switch to ccwgroup_create_dev
s390/lcs: switch to ccwgroup_create_dev
s390/ctcm: switch to ccwgroup_create_dev
s390/ccwgroup: exploit ccwdev_by_dev_id
s390/ccwgroup: introduce ccwgroup_create_dev
s390: fix race on TIF_MCCK_PENDING
s390/barrier: make use of fast-bcr facility
s390/barrier: cleanup barrier functions
s390/claw: remove "eieio" calls
...
Diffstat (limited to 'arch/s390/kernel/signal.c')
| -rw-r--r-- | arch/s390/kernel/signal.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index f7582b27f600..8a4e2b760d56 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -235,13 +235,6 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size) sp = current->sas_ss_sp + current->sas_ss_size; } - /* This is the legacy signal stack switching. */ - else if (!user_mode(regs) && - !(ka->sa.sa_flags & SA_RESTORER) && - ka->sa.sa_restorer) { - sp = (unsigned long) ka->sa.sa_restorer; - } - return (void __user *)((sp - frame_size) & -8ul); } @@ -414,15 +407,6 @@ void do_signal(struct pt_regs *regs) struct k_sigaction ka; sigset_t *oldset; - /* - * We want the common case to go fast, which - * is why we may in certain cases get here from - * kernel mode. Just return without doing anything - * if so. - */ - if (!user_mode(regs)) - return; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) oldset = ¤t->saved_sigmask; else |