From: David Mosberger <davidm@hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] data sharing in MAS O/S
Date: Tue, 05 Dec 2000 00:11:31 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590678205782@msgid-missing> (raw)
>>>>> On 23 Nov 00 00:33:05 EET, Bugra Unalmis <bugra.u@usa.net> said:
Bugra> hi everybody, Data sharing in Multiple address space O/S is
Bugra> suppoted by loading the same RID into region registers of
Bugra> multiple processes. If we are talking about the very same
Bugra> virtual page to be shared, then in TLB we have the same RID
Bugra> and VPN that is gonna be mapped to a particular physical
Bugra> address. How will 2 different processes have the different
Bugra> access rights with the same VPN and RID or how will the
Bugra> integrity be supported in this case.
Linux processes may share memory but they never share TLB entries.
This may change in the future, as TLB utilitization would increase
with TLB sharing, but it's a non-trivial change, so it's not going to
happen in the 2.4 series.
--david
next reply other threads:[~2000-12-05 0:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-05 0:11 David Mosberger [this message]
-- strict thread matches above, loose matches on Subject: below --
2000-11-23 0:33 [Linux-ia64] data sharing in MAS O/S Bugra Unalmis
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=marc-linux-ia64-105590678205782@msgid-missing \
--to=davidm@hpl.hp.com \
--cc=linux-ia64@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox