Messages in this thread Patch in this message | | | Date | Tue, 12 Jan 2021 18:01:40 +0100 | From | Thomas Gleixner <> | Subject | [patch 4/4] powerpc/mm/highmem: Use __set_pte_at() for kmap_local() |
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The original PowerPC highmem mapping function used __set_pte_at() to denote that the mapping is per CPU. This got lost with the conversion to the generic implementation.
Override the default map function.
Fixes: 47da42b27a56 ("powerpc/mm/highmem: Switch to generic kmap atomic") Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: linuxppc-dev@lists.ozlabs.org --- arch/powerpc/include/asm/highmem.h | 2 ++ 1 file changed, 2 insertions(+)
--- a/arch/powerpc/include/asm/highmem.h +++ b/arch/powerpc/include/asm/highmem.h @@ -58,6 +58,8 @@ extern pte_t *pkmap_page_table; #define flush_cache_kmaps() flush_cache_all() +#define arch_kmap_local_set_pte(mm, vaddr, ptep, ptev) \ + __set_pte_at(mm, vaddr, ptep, ptev, 1) #define arch_kmap_local_post_map(vaddr, pteval) \ local_flush_tlb_page(NULL, vaddr) #define arch_kmap_local_post_unmap(vaddr) \
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