From 000d400baa0af2e42c9a462e42df7dc9abde1ec7 Mon Sep 17 00:00:00 2001 From: Daniel Golle Date: Wed, 12 Jun 2019 01:14:25 +0200 Subject: kernel: drop everything not on kernel version 4.14 * Remove testing patches for kernel version 4.19 * remove targets ar7, ixp4xx, orion Those targets are still on kernel 4.9, patches for 4.14 were not ready in time. They may be readded once people prepare and test patches for kernel 4.14. Signed-off-by: Daniel Golle --- ...MIPS-fix-cache-flushing-for-highmem-pages.patch | 30 ---------------------- 1 file changed, 30 deletions(-) delete mode 100644 target/linux/generic/pending-4.9/100-MIPS-fix-cache-flushing-for-highmem-pages.patch (limited to 'target/linux/generic/pending-4.9/100-MIPS-fix-cache-flushing-for-highmem-pages.patch') diff --git a/target/linux/generic/pending-4.9/100-MIPS-fix-cache-flushing-for-highmem-pages.patch b/target/linux/generic/pending-4.9/100-MIPS-fix-cache-flushing-for-highmem-pages.patch deleted file mode 100644 index 622fab65b7..0000000000 --- a/target/linux/generic/pending-4.9/100-MIPS-fix-cache-flushing-for-highmem-pages.patch +++ /dev/null @@ -1,30 +0,0 @@ -From: Felix Fietkau -Subject: MIPS: fix cache flushing for highmem pages - -Most cache flush ops were no-op for highmem pages. This led to nasty -segfaults and (in the case of page_address(page) == NULL) kernel -crashes. - -Fix this by always flushing highmem pages using kmap/kunmap_atomic -around the actual cache flush. This might be a bit inefficient, but at -least it's stable. - -Signed-off-by: Felix Fietkau ---- - ---- a/arch/mips/mm/cache.c -+++ b/arch/mips/mm/cache.c -@@ -115,6 +115,13 @@ void __flush_anon_page(struct page *page - { - unsigned long addr = (unsigned long) page_address(page); - -+ if (PageHighMem(page)) { -+ addr = (unsigned long)kmap_atomic(page); -+ flush_data_cache_page(addr); -+ __kunmap_atomic((void *)addr); -+ return; -+ } -+ - if (pages_do_alias(addr, vmaddr)) { - if (page_mapcount(page) && !Page_dcache_dirty(page)) { - void *kaddr; -- cgit v1.2.3