From: "Ulrich Drepper" <drepper@gmail.com>
To: "David Howells" <dhowells@redhat.com>
Cc: viro@ftp.linux.org.uk, hch@infradead.org, torvalds@osdl.org,
linux-kernel@vger.kernel.org
Subject: Re: Credentials test patch
Date: Mon, 17 Sep 2007 07:28:30 -0700 [thread overview]
Message-ID: <a36005b50709170728y58aae6a4n2a570dddc2bc7720@mail.gmail.com> (raw)
In-Reply-To: <19877.1190026932@redhat.com>
On 9/17/07, David Howells <dhowells@redhat.com> wrote:
> A better way would be to compare fsuid/fsgid to uid/gid and to just take an
> extra ref on the incumbent cred object if they're the same, rather than always
> allocating a new one. That, I suspect, would speed up 99.99% of the cases.
Indeed. It's probably rare to have different values and for the case
I mentioned even more so since it happens before the first user code
gets executed.
next prev parent reply other threads:[~2007-09-17 14:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-13 19:56 David Howells
2007-09-13 20:09 ` Linus Torvalds
2007-09-13 21:19 ` David Howells
2007-09-13 21:33 ` Linus Torvalds
2007-09-15 15:51 ` Ulrich Drepper
2007-09-17 11:02 ` David Howells
2007-09-17 14:28 ` Ulrich Drepper [this message]
2007-09-17 15:27 ` David Howells
2007-09-18 16:33 ` David Howells
2007-09-18 16:44 ` Trond Myklebust
2007-09-18 17:58 ` Casey Schaufler
2007-09-18 18:03 ` Trond Myklebust
2007-09-18 18:24 ` David Howells
2007-09-18 17:25 ` David Howells
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