On Tue, May 03, 2016 at 12:50:06AM -0700, tip-bot for Stas Sergeev wrote: > Commit-ID: 407bc16ad1769f5cb8ad9555611cb198187ef4cd > Gitweb: http://git.kernel.org/tip/407bc16ad1769f5cb8ad9555611cb198187ef4cd > Author: Stas Sergeev <[email protected]> > AuthorDate: Thu, 14 Apr 2016 23:20:03 +0300 > Committer: Ingo Molnar <[email protected]> > CommitDate: Tue, 3 May 2016 08:37:59 +0200 > > signals/sigaltstack: Prepare to add new SS_xxx flags > > This patch adds SS_FLAG_BITS - the mask that splits sigaltstack > mode values and bit-flags. Since there is no bit-flags yet, the > mask is defined to 0. The flags are added by subsequent patches. > With every new flag, the mask should have the appropriate bit cleared. > > This makes sure if some flag is tried on a kernel that doesn't > support it, the -EINVAL error will be returned, because such a > flag will be treated as an invalid mode rather than the bit-flag. > > That way the existence of the particular features can be probed > at run-time. > > This change was suggested by Andy Lutomirski: > > https://lkml.org/lkml/2016/3/6/158
Please use the message ID in the future Message-ID: <CALCETrW=M1=n6R6dwOj-ks_=+14vf4rz0s3sfty-_guwffz...@mail.gmail.com> to refer to public mails because random web services caching lkml tend to become unreliable or even disappear at some point. I.e., see Link: format below for an example. > Signed-off-by: Stas Sergeev <[email protected]> > Cc: Al Viro <[email protected]> > Cc: Amanieu d'Antras <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Andy Lutomirski <[email protected]> > Cc: Borislav Petkov <[email protected]> > Cc: Brian Gerst <[email protected]> > Cc: Denys Vlasenko <[email protected]> > Cc: H. Peter Anvin <[email protected]> > Cc: Linus Torvalds <[email protected]> > Cc: Michal Hocko <[email protected]> > Cc: Oleg Nesterov <[email protected]> > Cc: Pavel Emelyanov <[email protected]> > Cc: Peter Zijlstra (Intel) <[email protected]> > Cc: Peter Zijlstra <[email protected]> > Cc: Richard Weinberger <[email protected]> > Cc: Sasha Levin <[email protected]> > Cc: Shuah Khan <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: Vladimir Davydov <[email protected]> > Cc: [email protected] > Cc: [email protected] > Link: http://lkml.kernel.org/r/[email protected] > Signed-off-by: Ingo Molnar <[email protected]> > --- > include/uapi/linux/signal.h | 3 +++ > kernel/signal.c | 16 ++++++---------- > 2 files changed, 9 insertions(+), 10 deletions(-) Thanks. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply.
