qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2025-04-21 12:27:27 +03:00
Code Activity

brcm47xx: add patches for kernel 2.6.36

Browse Source 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23278 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
hauke
2010-10-06 20:11:03 +00:00
parent f2f016ef99
commit d8d08ca040
27 changed files with 3329 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
target/linux/brcm47xx/patches-2.6.36/310-no_highpage.patch Normal file
View File

@@ -0,0 +1,66 @@
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -43,6 +43,7 @@
#ifndef __ASSEMBLY__
#include <linux/pfn.h>
+#include <asm/cpu-features.h>
#include <asm/io.h>
extern void build_clear_page(void);
@@ -78,13 +79,16 @@ static inline void clear_user_page(void
flush_data_cache_page((unsigned long)addr);
}
-extern void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
- struct page *to);
-struct vm_area_struct;
-extern void copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr, struct vm_area_struct *vma);
+static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
+ struct page *to)
+{
+ extern void (*flush_data_cache_page)(unsigned long addr);
-#define __HAVE_ARCH_COPY_USER_HIGHPAGE
+ copy_page(vto, vfrom);
+ if (!cpu_has_ic_fills_f_dc ||
+ pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
+ flush_data_cache_page((unsigned long)vto);
+}
/*
* These are used to make use of C type-checking..
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -204,30 +204,6 @@ void kunmap_coherent(void)
preempt_check_resched();
}
-void copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr, struct vm_area_struct *vma)
-{
- void *vfrom, *vto;
-
- vto = kmap_atomic(to, KM_USER1);
- if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
- page_mapped(from) && !Page_dcache_dirty(from)) {
- vfrom = kmap_coherent(from, vaddr);
- copy_page(vto, vfrom);
- kunmap_coherent();
- } else {
- vfrom = kmap_atomic(from, KM_USER0);
- copy_page(vto, vfrom);
- kunmap_atomic(vfrom, KM_USER0);
- }
- if ((!cpu_has_ic_fills_f_dc) ||
- pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
- flush_data_cache_page((unsigned long)vto);
- kunmap_atomic(vto, KM_USER1);
- /* Make sure this page is cleared on other CPU's too before using it */
- smp_wmb();
-}
-
void copy_to_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len)