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parisc: Drop useless debug info and comments from signal.c

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Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2021-09-06 22:45:16 +02:00
parent 1260dea6d2
commit ea4b3fca18
1 changed files with 0 additions and 15 deletions
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15
arch/parisc/kernel/signal.c
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@ -293,16 +293,6 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs,
&frame->tramp[SIGRESTARTBLOCK_TRAMP+2]);
err |= __put_user(INSN_NOP, &frame->tramp[SIGRESTARTBLOCK_TRAMP+3]);
#if DEBUG_SIG
/* Assert that we're flushing in the correct space... */
{
unsigned long sid;
asm ("mfsp %%sr3,%0" : "=r" (sid));
DBG(1,"setup_rt_frame: Flushing 64 bytes at space %#x offset %p\n",
sid, frame->tramp);
}
#endif
start = (unsigned long) &frame->tramp[0];
end = (unsigned long) &frame->tramp[TRAMP_SIZE];
flush_user_dcache_range_asm(start, end);
@ -501,7 +491,6 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
DBG(1,"ERESTARTNOHAND: returning -EINTR\n");
regs->gr[28] = -EINTR;
break;
case -ERESTARTSYS:
if (!(ka->sa.sa_flags & SA_RESTART)) {
DBG(1,"ERESTARTSYS: putting -EINTR\n");
@ -569,10 +558,6 @@ insert_restart_trampoline(struct pt_regs *regs)
}
/*
* Note that 'init' is a special process: it doesn't get signals it doesn't
* want to handle. Thus you cannot kill init even with a SIGKILL even by
* mistake.
*
* We need to be able to restore the syscall arguments (r21-r26) to
* restart syscalls. Thus, the syscall path should save them in the
* pt_regs structure (it's okay to do so since they are caller-save