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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2017-07-02 14:12:45 +0200 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2017-07-02 23:10:06 +0200 |
| commit | 1f991bb365b1ee66846e0785dc36dd5914f83398 (patch) | |
| tree | 978b63218557bf42e48f009ad25dac506d87a6a9 /target/linux/brcm47xx/patches-4.9/300-fork_cacheflush.patch | |
| parent | b56995550ac97ee54a5e999f902f92a1879066b5 (diff) | |
| download | mtk-20170518-1f991bb365b1ee66846e0785dc36dd5914f83398.zip mtk-20170518-1f991bb365b1ee66846e0785dc36dd5914f83398.tar.gz mtk-20170518-1f991bb365b1ee66846e0785dc36dd5914f83398.tar.bz2 | |
brcm47xx: Add support for kernel 4.9
I tested this on a WRT54GS and a WRT610N V1.
The WRT610N does not boot when the kernel is too big, so I deactivated KALLSYMS
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/brcm47xx/patches-4.9/300-fork_cacheflush.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-4.9/300-fork_cacheflush.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-4.9/300-fork_cacheflush.patch b/target/linux/brcm47xx/patches-4.9/300-fork_cacheflush.patch new file mode 100644 index 0000000..b5efaaf --- /dev/null +++ b/target/linux/brcm47xx/patches-4.9/300-fork_cacheflush.patch @@ -0,0 +1,21 @@ +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 +@@ -47,7 +47,7 @@ + extern void (*flush_cache_all)(void); + extern void (*__flush_cache_all)(void); + extern void (*flush_cache_mm)(struct mm_struct *mm); +-#define flush_cache_dup_mm(mm) do { (void) (mm); } while (0) ++#define flush_cache_dup_mm(mm) flush_cache_mm(mm) + extern void (*flush_cache_range)(struct vm_area_struct *vma, + unsigned long start, unsigned long end); + extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn); |