From: Jakub Jelinek <jakub@redhat.com>
To: Kanoj Sarcar <kanoj@google.engr.sgi.com>
Cc: linux-kernel@vger.rutgers.edu, linux-mm@kvack.org
Subject: Re: 2.3 Pagedir allocation/free and update races
Date: Tue, 14 Dec 1999 11:13:51 +0100 [thread overview]
Message-ID: <19991214111351.U822@mff.cuni.cz> (raw)
In-Reply-To: <199912140946.BAA07601@google.engr.sgi.com>; from Kanoj Sarcar on Tue, Dec 14, 1999 at 01:46:00AM -0800
On Tue, Dec 14, 1999 at 01:46:00AM -0800, Kanoj Sarcar wrote:
> This note describes races in the procedures that allocate and free
> user level page directories. Platform code maintainers, please
> read.
pgd_alloc/free are never invoked from interrupts and the kernel code is not
preemptive, so per-CPU caches are safe, aren't they?
Cheers,
Jakub
___________________________________________________________________
Jakub Jelinek | jakub@redhat.com | http://sunsite.mff.cuni.cz/~jj
Linux version 2.3.26 on a sparc64 machine (1343.49 BogoMips)
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next prev parent reply other threads:[~1999-12-14 10:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-12-14 9:46 Kanoj Sarcar
1999-12-14 9:55 ` David S. Miller
1999-12-14 10:13 ` Jakub Jelinek [this message]
1999-12-14 23:00 ` Kanoj Sarcar
1999-12-14 23:08 ` David S. Miller
1999-12-14 23:51 ` Kanoj Sarcar
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