diff options
| author | Thomas Gleixner <[email protected]> | 2021-01-23 21:02:07 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2021-01-24 10:34:52 -0800 |
| commit | 8c0d5d78f3596e203e9cd27563a8380649c03ad0 (patch) | |
| tree | 91dd9c03fa3c93c8b1255f995e3b040e79aa73ec | |
| parent | a1dce7fd2ade8e71e5f95e58b99aa512607f52b0 (diff) | |
mips/mm/highmem: use set_pte() for kmap_local()
set_pte_at() on MIPS invokes update_cache() which might recurse into
kmap_local().
Use set_pte() like the original MIPS highmem implementation did.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: a4c33e83bca1 ("mips/mm/highmem: Switch to generic kmap atomic")
Signed-off-by: Thomas Gleixner <[email protected]>
Reported-by: Paul Cercueil <[email protected]>
Reported-by: Thomas Bogendoerfer <[email protected]>
Acked-by: Thomas Bogendoerfer <[email protected]>
Cc: Andreas Larsson <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | arch/mips/include/asm/highmem.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/include/asm/highmem.h b/arch/mips/include/asm/highmem.h index 19edf8e69971..292d0425717f 100644 --- a/arch/mips/include/asm/highmem.h +++ b/arch/mips/include/asm/highmem.h @@ -51,6 +51,7 @@ extern void kmap_flush_tlb(unsigned long addr); #define flush_cache_kmaps() BUG_ON(cpu_has_dc_aliases) +#define arch_kmap_local_set_pte(mm, vaddr, ptep, ptev) set_pte(ptep, ptev) #define arch_kmap_local_post_map(vaddr, pteval) local_flush_tlb_one(vaddr) #define arch_kmap_local_post_unmap(vaddr) local_flush_tlb_one(vaddr) |