40 lines
1.3 KiB
40 lines
1.3 KiB
17 years ago
|
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
|
||
18 years ago
|
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
|
||
17 years ago
|
#
|
||
13 years ago
|
# Filename: package/.../linux/sparc64-video.patch.disabled
|
||
15 years ago
|
# Copyright (C) 2010 The OpenSDE Project
|
||
18 years ago
|
# Copyright (C) 2006 The T2 SDE Project
|
||
17 years ago
|
#
|
||
18 years ago
|
# More information can be found in the files COPYING and README.
|
||
17 years ago
|
#
|
||
18 years ago
|
# This patch file is dual-licensed. It is available under the license the
|
||
|
# patched project is licensed under, as long as it is an OpenSource license
|
||
|
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
|
||
|
# of the GNU General Public License as published by the Free Software
|
||
|
# Foundation; either version 2 of the License, or (at your option) any later
|
||
|
# version.
|
||
17 years ago
|
# --- SDE-COPYRIGHT-NOTE-END ---
|
||
18 years ago
|
|
||
|
In 2.6.17 sparc64 kernels, X11 runs _extremely_ slowly with
|
||
|
frequent lock-up like behaviour on my Ultra5 (ATI Mach64).
|
||
|
|
||
|
I finally managed to trace the cause to this change in 2.6.16-git6:
|
||
|
|
||
|
- Mikael Pettersson <mikpe@it.uu.se>
|
||
|
|
||
|
Confirmed to fix ATi@U5 and Creator@U30.
|
||
|
|
||
|
- Rene Rebe <rene@exactcode.de>
|
||
|
|
||
|
--- a/arch/sparc64/mm/generic.c
|
||
|
+++ b/arch/sparc64/mm/generic.c
|
||
|
@@ -140,6 +144,7 @@ int io_remap_pfn_range(struct vm_area_st
|
||
|
vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
|
||
|
vma->vm_pgoff = phys_base >> PAGE_SHIFT;
|
||
|
|
||
|
+ prot = __pgprot(pg_iobits);
|
||
|
offset -= from;
|
||
|
dir = pgd_offset(mm, from);
|
||
|
flush_cache_range(vma, beg, end);
|
||
|
|