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| author | Richard Weinberger <richard@nod.at> | 2014-03-05 13:38:04 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@sigma-star.at> | 2014-08-06 13:03:46 +0200 |
| commit | e90670a9629a68c1bf5bbb59d0077684f22a5cb9 (patch) | |
| tree | 08956c456ad3783661225b6853eee6db58b38aca /arch/blackfin/kernel | |
| parent | 065f31bd263b61b1fbf6c0ae4e7c0d3cf7373b10 (diff) | |
| download | blackbird-op-linux-e90670a9629a68c1bf5bbb59d0077684f22a5cb9.tar.gz blackbird-op-linux-e90670a9629a68c1bf5bbb59d0077684f22a5cb9.zip | |
blackfin: Use sigsp()
Use sigsp() instead of the open coded variant.
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Steven Miao <realmz6@gmail.com>
Diffstat (limited to 'arch/blackfin/kernel')
| -rw-r--r-- | arch/blackfin/kernel/signal.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c index 1389cd3b74e3..ef275571d885 100644 --- a/arch/blackfin/kernel/signal.c +++ b/arch/blackfin/kernel/signal.c @@ -135,19 +135,11 @@ static inline int rt_setup_sigcontext(struct sigcontext *sc, struct pt_regs *reg return err; } -static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, +static inline void *get_sigframe(struct ksignal *ksig, size_t frame_size) { - unsigned long usp; + unsigned long usp = sigsp(rdusp(), ksig); - /* Default to using normal stack. */ - usp = rdusp(); - - /* This is the X/Open sanctioned signal stack switching. */ - if (ka->sa.sa_flags & SA_ONSTACK) { - if (!on_sig_stack(usp)) - usp = current->sas_ss_sp + current->sas_ss_size; - } return (void *)((usp - frame_size) & -8UL); } @@ -157,7 +149,7 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) struct rt_sigframe *frame; int err = 0; - frame = get_sigframe(&ksig->ka, regs, sizeof(*frame)); + frame = get_sigframe(ksig, sizeof(*frame)); err |= __put_user((current_thread_info()->exec_domain && current_thread_info()->exec_domain->signal_invmap |
