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| author | Rafał Miłecki <rafal@milecki.pl> | 2021-10-21 17:26:56 +0200 |
|---|---|---|
| committer | Rafał Miłecki <rafal@milecki.pl> | 2021-10-21 17:38:17 +0200 |
| commit | d88f3b8a427acd1aef7ec3fc4c8e47c7a665d7d0 (patch) | |
| tree | 84f6450cb9306e9c5150899fcc939e23334bc1ec /target/linux/bcm47xx/patches-5.10/300-fork_cacheflush.patch | |
| parent | 9b880f09f394049e0629e3c9d4061f431a6b19a8 (diff) | |
| download | upstream-d88f3b8a427acd1aef7ec3fc4c8e47c7a665d7d0.tar.gz upstream-d88f3b8a427acd1aef7ec3fc4c8e47c7a665d7d0.tar.bz2 upstream-d88f3b8a427acd1aef7ec3fc4c8e47c7a665d7d0.zip | |
bcm47xx: add kernel 5.10 support
It's for *development* only as it doesn't work with lzma-loader due to
bigger size.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Diffstat (limited to 'target/linux/bcm47xx/patches-5.10/300-fork_cacheflush.patch')
| -rw-r--r-- | target/linux/bcm47xx/patches-5.10/300-fork_cacheflush.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/bcm47xx/patches-5.10/300-fork_cacheflush.patch b/target/linux/bcm47xx/patches-5.10/300-fork_cacheflush.patch new file mode 100644 index 0000000000..daa2c1adf0 --- /dev/null +++ b/target/linux/bcm47xx/patches-5.10/300-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 +@@ -46,7 +46,7 @@ + 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); |