| commit | e9bd3f0faa90084f188830d77723bafe422e486b | |
| author | Oleg Nesterov <oleg@redhat.com> | |
| Wed, 27 Apr 2011 19:09:39 +0000 (27 21:09 +0200) | ||
| committer | Oleg Nesterov <oleg@redhat.com> | |
| Thu, 28 Apr 2011 11:01:38 +0000 (28 13:01 +0200) | ||
| tree | ec80acc87031f21f96edb3bacf8caf9b45ee4f85 | treesnapshot (tar.gz zip) |
| parent | e6a585801b451443480ff66914a522b482457460 | commitdiff |
x86: signal: sys_rt_sigreturn() should use set_current_blocked()
Normally sys_rt_sigreturn() restores the old current->blocked which was
changed by handle_signal(), and unblocking is always fine.
But the debugger or application itself can change frame->uc_sigmask and
thus we need set_current_blocked()->retarget_shared_pending().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Matt Fleming <matt.fleming@linux.intel.com>
Acked-by: Tejun Heo <tj@kernel.org>
Normally sys_rt_sigreturn() restores the old current->blocked which was
changed by handle_signal(), and unblocking is always fine.
But the debugger or application itself can change frame->uc_sigmask and
thus we need set_current_blocked()->retarget_shared_pending().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Matt Fleming <matt.fleming@linux.intel.com>
Acked-by: Tejun Heo <tj@kernel.org>
| arch/x86/kernel/signal.c | diffblobblamehistory |