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| author | Paul Wassi <p.wassi@gmx.at> | 2018-03-13 09:43:43 +0100 |
|---|---|---|
| committer | Rafał Miłecki <rafal@milecki.pl> | 2018-04-03 22:57:10 +0200 |
| commit | de79f4ab882b2955432eb8104fd5426745262e83 (patch) | |
| tree | 248ead4b61c5a46f3a434c5aa66937b515131887 /target/linux/brcm47xx/patches-4.14/300-fork_cacheflush.patch | |
| parent | 986f80595b765085d1cadd24988d2d8ade172146 (diff) | |
| download | mtk-20170518-de79f4ab882b2955432eb8104fd5426745262e83.zip mtk-20170518-de79f4ab882b2955432eb8104fd5426745262e83.tar.gz mtk-20170518-de79f4ab882b2955432eb8104fd5426745262e83.tar.bz2 | |
brcm47xx: add kernel 4.14 support
Add patches for 4.14, drop patch 030 since it's already included
upstream.
Tested on:
1) WRT54GL (with RAM upgraded to 32 MiB)
2) WL500gPv2 (with RAM upgraded to 64 MiB)
3) BCM47186B0 SoC board
4) BCM4706 SoC board
Signed-off-by: Paul Wassi <p.wassi@gmx.at>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Diffstat (limited to 'target/linux/brcm47xx/patches-4.14/300-fork_cacheflush.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-4.14/300-fork_cacheflush.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-4.14/300-fork_cacheflush.patch b/target/linux/brcm47xx/patches-4.14/300-fork_cacheflush.patch new file mode 100644 index 0000000..b5efaaf --- /dev/null +++ b/target/linux/brcm47xx/patches-4.14/300-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); |