Subject: CVS commit: src
To: None <source-changes@netbsd.org>
From: Charles M. Hannum <mycroft@netbsd.org>
List: source-changes
Date: 03/23/1999 09:14:35
Module Name: src
Committed By: mycroft
Date: Tue Mar 23 17:14:35 UTC 1999
Modified Files:
src/sys/arch/arm32/arm32: bcopyinout.S fault.c genassym.cf
Log Message:
The ARM has the same copy-on-write bug as the i386 -- the write enable bit in
PTEs is ignored when in kernel mode. Hack around this just like we do on the
i386, by adding a prepass to copyout() to check for write permission on the
destination pages.