Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
[PARISC] EISA regions must be mapped NO_CACHE
Signed-off-by: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
authored by Helge Deller and committed by Kyle McMartin b2d6b9fb e74eb808
+2
-1
arch/parisc/mm/ioremap.c
+2
-1
arch/parisc/mm/ioremap.c
···
2
2
* arch/parisc/mm/ioremap.c
3
3
*
4
4
* (C) Copyright 1995 1996 Linus Torvalds
5
-
* (C) Copyright 2001 Helge Deller <deller@gmx.de>
5
+
* (C) Copyright 2001-2006 Helge Deller <deller@gmx.de>
6
6
* (C) Copyright 2005 Kyle McMartin <kyle@parisc-linux.org>
7
7
*/
8
8
···
138
138
if ((phys_addr >= 0x00080000 && end < 0x000fffff) ||
139
139
(phys_addr >= 0x00500000 && end < 0x03bfffff)) {
140
140
phys_addr |= F_EXTEND(0xfc000000);
141
+
flags |= _PAGE_NO_CACHE;
141
142
}
142
143
#endif
143
144