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brcm47xx: describe 300-fork_cacheflush.patch & 310-no_highpage.patch 

These were initially commited in r9285.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 47058
lede-17.01
Rafał Miłecki 2015-09-27 06:53:12 +00:00
parent c6c4b2640f
commit f8a14765b8
2 changed files with 20 additions and 0 deletions
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10
target/linux/brcm47xx/patches-4.1/300-fork_cacheflush.patch
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@ -1,3 +1,13 @@
From: Wolfram Joost <dbox2@frokaschwei.de>
Subject: [PATCH] fork_cacheflush
On ASUS WL-500gP there are many unexpected "Segmentation fault"s that
seem to be caused by a kernel. They can be avoided by:
1) Disabling highpage
2) Using flush_cache_mm in flush_cache_dup_mm
For details see OpenWrt ticket #2035 https://dev.openwrt.org/ticket/2035
---
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -46,7 +46,7 @@

10
target/linux/brcm47xx/patches-4.1/310-no_highpage.patch
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@ -1,3 +1,13 @@
From: Jeff Hansen <jhansen@cardaccess-inc.com>
Subject: [PATCH] no highpage
On ASUS WL-500gP there are many unexpected "Segmentation fault"s that
seem to be caused by a kernel. They can be avoided by:
1) Disabling highpage
2) Using flush_cache_mm in flush_cache_dup_mm
For details see OpenWrt ticket #2035 https://dev.openwrt.org/ticket/2035
---
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -71,6 +71,7 @@ static inline unsigned int page_size_ftl