diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2023-01-22 19:08:04 +0100 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2023-02-03 11:59:07 +0100 |
| commit | 30c0ffecccbe6fe8e2289bed33027f9e2507039a (patch) | |
| tree | 7132ee65bcde755ce67cbfc73a06edb705da5bb3 /target/linux/bcm47xx/patches-5.15/300-fork_cacheflush.patch | |
| parent | 822c554d5755301337bce959554bf973b4292322 (diff) | |
| download | upstream-30c0ffecccbe6fe8e2289bed33027f9e2507039a.tar.gz upstream-30c0ffecccbe6fe8e2289bed33027f9e2507039a.tar.bz2 upstream-30c0ffecccbe6fe8e2289bed33027f9e2507039a.zip | |
bcm47xx: Copy kernel from 5.10 to 5.15
Copy patches and configuration from kernel 5.10 to kernel 5.15 files. No
changes were done.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/bcm47xx/patches-5.15/300-fork_cacheflush.patch')
| -rw-r--r-- | target/linux/bcm47xx/patches-5.15/300-fork_cacheflush.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/bcm47xx/patches-5.15/300-fork_cacheflush.patch b/target/linux/bcm47xx/patches-5.15/300-fork_cacheflush.patch new file mode 100644 index 0000000000..daa2c1adf0 --- /dev/null +++ b/target/linux/bcm47xx/patches-5.15/300-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); |