Re: 2.3 Pagedir allocation/free and update races

Jakub Jelinek (jakub@redhat.com)
Tue, 14 Dec 1999 11:13:51 +0100

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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