From: Florian Weimer <fw@deneb.enyo.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Richard W.M. Jones" <rjones@redhat.com>,
linux-kernel@vger.kernel.org, tglx@linutronix.de,
mingo@redhat.com, akpm@linux-foundation.org, luto@kernel.org,
viro@zeniv.linux.org.uk, mathieu.desnoyers@efficios.com,
zab@redhat.com, paulmck@linux.vnet.ibm.com, aarcange@redhat.com,
josh@joshtriplett.org, xemul@parallels.com, sfr@canb.auug.org.au,
milosz@adfin.com, rostedt@goodmis.org, arnd@arndb.de,
ebiederm@xmission.com, gorcunov@openvz.org,
iulia.manda21@gmail.com, dave.hansen@linux.intel.com,
mguzik@redhat.com, adobriyan@gmail.com, dave@stgolabs.net,
linux-api@vger.kernel.org, gorcunov@gmail.com,
walters@verbum.org
Subject: Re: [PATCH v4 0/3] vfs: Define new syscall umask2 [formerly getumask]
Date: Wed, 13 Apr 2016 22:45:05 +0200 [thread overview]
Message-ID: <87shypck6m.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <570EA006.5010608@zytor.com> (H. Peter Anvin's message of "Wed, 13 Apr 2016 12:37:42 -0700")
* H. Peter Anvin:
> I have to say I'm skeptic to the need for umask2() as opposed to
> getumask().
I find the extension with a set-the-thread umask somewhat unlikely.
How would a potential per-thread umask interact with CLONE_FS?
Have a per-thread umask that, when active, overrides the global
one, similar to what uselocale provides? That seems rather messy,
and I'm not aware of any precedent.
next prev parent reply other threads:[~2016-04-13 20:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-13 19:05 [PATCH v4 0/3] vfs: Define new syscall umask2 [formerly getumask] Richard W.M. Jones
2016-04-13 19:05 ` [PATCH v4 1/3] vfs: Define new syscall umask2 Richard W.M. Jones
2016-04-13 19:05 ` [PATCH v4 2/3] x86: Wire up new umask2 system call on x86 Richard W.M. Jones
2016-04-13 19:57 ` kbuild test robot
2016-04-13 19:05 ` [PATCH v4 3/3] vfs: selftests: Add test for umask2 system call Richard W.M. Jones
2016-04-13 19:29 ` umask2 man page (was: Re: [PATCH v4 0/3] vfs: Define new syscall umask2 [formerly getumask]) Richard W.M. Jones
2016-04-13 19:37 ` [PATCH v4 0/3] vfs: Define new syscall umask2 [formerly getumask] H. Peter Anvin
2016-04-13 20:45 ` Florian Weimer [this message]
2016-04-13 20:53 ` Richard W.M. Jones
2016-04-13 23:09 ` Stephen Rothwell
2016-04-14 9:15 ` Richard W.M. Jones
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