OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

score: fix bogus restarts on sigreturn() 

we *really* don't want to have restart logics hit when we are returning from
sigreturn() - random replacement of %r4 with -4 just because a signal had
been noticed from timer interrupt that came when %r4 happened to contain
-514 is not nice at all.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-04-30 23:37:41 -04:00
parent 6fdb6fbecb
commit af445f45ed
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/score/kernel/signal.c
View File

@ -174,6 +174,7 @@ score_rt_sigreturn(struct pt_regs *regs)
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
do_sigaltstack((stack_t __user *)&st, NULL, regs->regs[0]);
regs->is_syscall = 0;
__asm__ __volatile__(
"mv\tr0, %0\n\t"